diff options
38 files changed, 3120 insertions, 1100 deletions
diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua index 935953f0781..e14d05e67ef 100644 --- a/scripts/src/bus.lua +++ b/scripts/src/bus.lua @@ -4276,3 +4276,65 @@ if (BUSES["RTPC_KBD"]~=null) then MAME_DIR .. "src/devices/bus/rtpc/kbd.h", } end + +--------------------------------------------------- +-- +--@src/devices/bus/samcoupe/drive/drive.h,BUSES["SAMCOUPE_DRIVE_PORT"] = true +--------------------------------------------------- + +if (BUSES["SAMCOUPE_DRIVE_PORT"]~=null) then + files { + MAME_DIR .. "src/devices/bus/samcoupe/drive/drive.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/drive/drive.h", + MAME_DIR .. "src/devices/bus/samcoupe/drive/modules.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/drive/modules.h", + MAME_DIR .. "src/devices/bus/samcoupe/drive/atom.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/drive/atom.h", + MAME_DIR .. "src/devices/bus/samcoupe/drive/floppy.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/drive/floppy.h", + } +end + +--------------------------------------------------- +-- +--@src/devices/bus/samcoupe/expansion/expansion.h,BUSES["SAMCOUPE_EXPANSION"] = true +--------------------------------------------------- + +if (BUSES["SAMCOUPE_EXPANSION"]~=null) then + files { + MAME_DIR .. "src/devices/bus/samcoupe/expansion/expansion.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/expansion.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/modules.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/modules.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/blue_sampler.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/blue_sampler.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/dallas.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/dallas.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/onemeg.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/onemeg.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/sambus.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/sambus.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/sid.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/sid.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/spi.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/spi.h", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/voicebox.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/expansion/voicebox.h", + } +end + +--------------------------------------------------- +-- +--@src/devices/bus/samcoupe/mouse/mouse.h,BUSES["SAMCOUPE_MOUSE_PORT"] = true +--------------------------------------------------- + +if (BUSES["SAMCOUPE_MOUSE_PORT"]~=null) then + files { + MAME_DIR .. "src/devices/bus/samcoupe/mouse/mouseport.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/mouse/mouseport.h", + MAME_DIR .. "src/devices/bus/samcoupe/mouse/modules.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/mouse/modules.h", + MAME_DIR .. "src/devices/bus/samcoupe/mouse/mouse.cpp", + MAME_DIR .. "src/devices/bus/samcoupe/mouse/mouse.h", + } +end diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua index 25ef6e01d64..b2432c702b7 100644 --- a/scripts/target/mame/mess.lua +++ b/scripts/target/mame/mess.lua @@ -892,6 +892,9 @@ BUSES["QL"] = true BUSES["QBUS"] = true BUSES["RS232"] = true BUSES["S100"] = true +BUSES["SAMCOUPE_DRIVE_PORT"] = true +BUSES["SAMCOUPE_EXPANSION"] = true +BUSES["SAMCOUPE_MOUSE_PORT"] = true BUSES["SAT_CTRL"] = true BUSES["SATURN"] = true BUSES["SBUS"] = true @@ -3388,9 +3391,6 @@ files { createMESSProjects(_target, _subtarget, "samcoupe") files { MAME_DIR .. "src/mame/drivers/samcoupe.cpp", - MAME_DIR .. "src/mame/includes/samcoupe.h", - MAME_DIR .. "src/mame/machine/samcoupe.cpp", - MAME_DIR .. "src/mame/video/samcoupe.cpp", } createMESSProjects(_target, _subtarget, "samsung") diff --git a/src/devices/bus/samcoupe/drive/atom.cpp b/src/devices/bus/samcoupe/drive/atom.cpp new file mode 100644 index 00000000000..3755463e307 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/atom.cpp @@ -0,0 +1,116 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + ATOM hard disk interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "atom.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_ATOM_HDD, sam_atom_hdd_device, "sam_atom_hdd", "SAM Coupe ATOM HDD interface") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_atom_hdd_device::device_add_mconfig(machine_config &config) +{ + ATA_INTERFACE(config, m_ata).options(ata_devices, nullptr, nullptr, false); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_atom_hdd_device - constructor +//------------------------------------------------- + +sam_atom_hdd_device::sam_atom_hdd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_ATOM_HDD, tag, owner, clock), + device_samcoupe_drive_interface(mconfig, *this), + m_ata(*this, "ata"), + m_address_latch(0), + m_read_latch(0x00), m_write_latch(0x00) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_atom_hdd_device::device_start() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +uint8_t sam_atom_hdd_device::read(offs_t offset) +{ + uint8_t data = 0xff; + + switch (offset) + { + // high byte + case 0x06: + if (BIT(m_address_latch, 5)) + { + uint16_t result = 0; + + if (BIT(m_address_latch, 3) == 0) + result = m_ata->cs0_r(m_address_latch & 0x07); + if (BIT(m_address_latch, 4) == 0) + result = m_ata->cs1_r(m_address_latch & 0x07); + + m_read_latch = result; + data = result >> 8; + } + break; + + // low byte + case 0x07: + data = m_read_latch; + break; + } + + return data; +} + +void sam_atom_hdd_device::write(offs_t offset, uint8_t data) +{ + switch (offset) + { + // control + case 0x05: + if (BIT(data, 5)) + m_address_latch = data; + break; + + // high byte + case 0x06: + m_write_latch = data; + break; + + // low byte + case 0x07: + if (BIT(m_address_latch, 5)) + { + if (BIT(m_address_latch, 3) == 0) + m_ata->cs0_w(m_address_latch & 0x07, (m_write_latch << 8) | data); + if (BIT(m_address_latch, 4) == 0) + m_ata->cs1_w(m_address_latch & 0x07, (m_write_latch << 8) | data); + } + break; + } +} diff --git a/src/devices/bus/samcoupe/drive/atom.h b/src/devices/bus/samcoupe/drive/atom.h new file mode 100644 index 00000000000..0abfee86749 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/atom.h @@ -0,0 +1,48 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + ATOM hard disk interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_DRIVE_ATOM_H +#define MAME_BUS_SAMCOUPE_DRIVE_ATOM_H + +#pragma once + +#include "drive.h" +#include "bus/ata/ataintf.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_atom_hdd_device + +class sam_atom_hdd_device : public device_t, public device_samcoupe_drive_interface +{ +public: + // construction/destruction + sam_atom_hdd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual uint8_t read(offs_t offset) override; + virtual void write(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<ata_interface_device> m_ata; + + int m_address_latch; + uint8_t m_read_latch, m_write_latch; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_ATOM_HDD, sam_atom_hdd_device) + +#endif // MAME_BUS_SAMCOUPE_DRIVE_ATOM_H diff --git a/src/devices/bus/samcoupe/drive/drive.cpp b/src/devices/bus/samcoupe/drive/drive.cpp new file mode 100644 index 00000000000..564b2299fc2 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/drive.cpp @@ -0,0 +1,94 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Drive Slot + + 32-pin slot + +***************************************************************************/ + +#include "emu.h" +#include "drive.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAMCOUPE_DRIVE_PORT, samcoupe_drive_port_device, "samcoupe_drive_port", "SAM Coupe Drive Port") + + +//************************************************************************** +// SLOT DEVICE +//************************************************************************** + +//------------------------------------------------- +// samcoupe_drive_port_device - constructor +//------------------------------------------------- + +samcoupe_drive_port_device::samcoupe_drive_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAMCOUPE_DRIVE_PORT, tag, owner, clock), + device_single_card_slot_interface<device_samcoupe_drive_interface>(mconfig, *this), + m_module(nullptr) +{ +} + +//------------------------------------------------- +// samcoupe_drive_port_device - destructor +//------------------------------------------------- + +samcoupe_drive_port_device::~samcoupe_drive_port_device() +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void samcoupe_drive_port_device::device_start() +{ + // get inserted module + m_module = get_card_device(); +} + +//------------------------------------------------- +// host to module interface +//------------------------------------------------- + +uint8_t samcoupe_drive_port_device::read(offs_t offset) +{ + if (m_module) + return m_module->read(offset); + + return 0xff; +} + +void samcoupe_drive_port_device::write(offs_t offset, uint8_t data) +{ + if (m_module) + m_module->write(offset, data); +} + + +//************************************************************************** +// MODULE INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_samcoupe_drive_interface - constructor +//------------------------------------------------- + +device_samcoupe_drive_interface::device_samcoupe_drive_interface(const machine_config &mconfig, device_t &device) : + device_interface(device, "samcoupedrive") +{ + m_port = dynamic_cast<samcoupe_drive_port_device *>(device.owner()); +} + +//------------------------------------------------- +// ~device_samcoupe_drive_interface - destructor +//------------------------------------------------- + +device_samcoupe_drive_interface::~device_samcoupe_drive_interface() +{ +} diff --git a/src/devices/bus/samcoupe/drive/drive.h b/src/devices/bus/samcoupe/drive/drive.h new file mode 100644 index 00000000000..5ef3687c225 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/drive.h @@ -0,0 +1,96 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Drive Slot + + 32-pin slot + + 1A 0 VOLTS 1B WR + 2A 0 VOLTS 2B A0 + 3A 0 VOLTS 3B A1 + 4A 0 VOLTS 4B D0 + 5A 0 VOLTS 5B D1 + 6A 0 VOLTS 6B D2 + 7A 0 VOLTS 7B D3 + 8A 0 VOLTS 8B D4 + 9A 0 VOLTS 9B D5 + 10A 0 VOLTS 10B D6 + 11A 0 VOLTS 11B D7 + 12A 0 VOLTS 12B 8 MHz + 13A 0 VOLTS 13B RST + 14A 0 VOLTS 14B N/C + 15A 0 VOLTS 15B A2 + 16A 0 VOLTS 16B DISK 1 OR DISK 2 + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_DRIVE_DRIVE_H +#define MAME_BUS_SAMCOUPE_DRIVE_DRIVE_H + +#pragma once + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class device_samcoupe_drive_interface; + +// ======================> samcoupe_drive_port_device + +class samcoupe_drive_port_device : public device_t, public device_single_card_slot_interface<device_samcoupe_drive_interface> +{ +public: + // construction/destruction + template <typename T> + samcoupe_drive_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, const char *dflt) + : samcoupe_drive_port_device(mconfig, tag, owner, uint32_t(0)) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + + samcoupe_drive_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~samcoupe_drive_port_device(); + + // called from host + uint8_t read(offs_t offset); + void write(offs_t offset, uint8_t data); + + DECLARE_WRITE_LINE_MEMBER( disk1_w ); + +protected: + // device-level overrides + virtual void device_start() override; + +private: + device_samcoupe_drive_interface *m_module; +}; + +// ======================> device_samcoupe_drive_interface + +class device_samcoupe_drive_interface : public device_interface +{ +public: + // construction/destruction + virtual ~device_samcoupe_drive_interface(); + + virtual uint8_t read(offs_t offset) { return 0xff; } + virtual void write(offs_t offset, uint8_t data) { } + +protected: + device_samcoupe_drive_interface(const machine_config &mconfig, device_t &device); + + samcoupe_drive_port_device *m_port; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAMCOUPE_DRIVE_PORT, samcoupe_drive_port_device) + +// include here so drivers don't need to +#include "modules.h" + +#endif // MAME_BUS_SAMCOUPE_DRIVE_DRIVE_H diff --git a/src/devices/bus/samcoupe/drive/floppy.cpp b/src/devices/bus/samcoupe/drive/floppy.cpp new file mode 100644 index 00000000000..4d37aeb35f6 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/floppy.cpp @@ -0,0 +1,91 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Internal floppy drive for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "floppy.h" +#include "formats/coupedsk.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_FLOPPY, sam_floppy_device, "sam_floppy", "SAM Coupe Internal Floppy") + +FLOPPY_FORMATS_MEMBER( sam_floppy_device::floppy_formats ) + FLOPPY_MGT_FORMAT +FLOPPY_FORMATS_END + +static void samcoupe_floppies(device_slot_interface &device) +{ + device.option_add("35dd", FLOPPY_35_DD); +} + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_floppy_device::device_add_mconfig(machine_config &config) +{ + WD1772(config, m_fdc, 24_MHz_XTAL / 3); + FLOPPY_CONNECTOR(config, "fdc:0", samcoupe_floppies, "35dd", sam_floppy_device::floppy_formats); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_floppy_device - constructor +//------------------------------------------------- + +sam_floppy_device::sam_floppy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_FLOPPY, tag, owner, clock), + device_samcoupe_drive_interface(mconfig, *this), + m_fdc(*this, "fdc"), + m_drive(*this, "fdc:0") +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_floppy_device::device_start() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +uint8_t sam_floppy_device::read(offs_t offset) +{ + floppy_image_device *floppy = m_drive->get_device(); + + if (floppy) + floppy->ss_w(BIT(offset, 2)); + + m_fdc->set_floppy(floppy); + + return m_fdc->read(offset & 0x03); +} + +void sam_floppy_device::write(offs_t offset, uint8_t data) +{ + floppy_image_device *floppy = m_drive->get_device(); + + if (floppy) + floppy->ss_w(BIT(offset, 2)); + + m_fdc->set_floppy(floppy); + + m_fdc->write(offset & 0x03, data); +} diff --git a/src/devices/bus/samcoupe/drive/floppy.h b/src/devices/bus/samcoupe/drive/floppy.h new file mode 100644 index 00000000000..a1dbd432a27 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/floppy.h @@ -0,0 +1,49 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Internal floppy drive for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_DRIVE_FLOPPY_H +#define MAME_BUS_SAMCOUPE_DRIVE_FLOPPY_H + +#pragma once + +#include "drive.h" +#include "machine/wd_fdc.h" +#include "imagedev/floppy.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_floppy_device + +class sam_floppy_device : public device_t, public device_samcoupe_drive_interface +{ +public: + // construction/destruction + sam_floppy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual uint8_t read(offs_t offset) override; + virtual void write(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<wd1772_device> m_fdc; + required_device<floppy_connector> m_drive; + + DECLARE_FLOPPY_FORMATS( floppy_formats ); +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_FLOPPY, sam_floppy_device) + +#endif // MAME_BUS_SAMCOUPE_DRIVE_FLOPPY_H diff --git a/src/devices/bus/samcoupe/drive/modules.cpp b/src/devices/bus/samcoupe/drive/modules.cpp new file mode 100644 index 00000000000..c8b708e2d6d --- /dev/null +++ b/src/devices/bus/samcoupe/drive/modules.cpp @@ -0,0 +1,19 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Drive Port modules + +***************************************************************************/ + +#include "emu.h" +#include "modules.h" + +#include "atom.h" +#include "floppy.h" + +void samcoupe_drive_modules(device_slot_interface &device) +{ + device.option_add("atom", SAM_ATOM_HDD); + device.option_add("floppy", SAM_FLOPPY); +} diff --git a/src/devices/bus/samcoupe/drive/modules.h b/src/devices/bus/samcoupe/drive/modules.h new file mode 100644 index 00000000000..47fed4418b4 --- /dev/null +++ b/src/devices/bus/samcoupe/drive/modules.h @@ -0,0 +1,16 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Drive Port modules + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_DRIVE_MODULES_H +#define MAME_BUS_SAMCOUPE_DRIVE_MODULES_H + +#pragma once + +void samcoupe_drive_modules(device_slot_interface &device); + +#endif // MAME_BUS_SAMCOUPE_DRIVE_MODULES_H diff --git a/src/devices/bus/samcoupe/expansion/blue_sampler.cpp b/src/devices/bus/samcoupe/expansion/blue_sampler.cpp new file mode 100644 index 00000000000..57d123b354b --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/blue_sampler.cpp @@ -0,0 +1,117 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Blue Alpha Sound Sampler for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "machine/rescap.h" +#include "sound/volt_reg.h" +#include "blue_sampler.h" +#include "speaker.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_BLUE_SOUND_SAMPLER, sam_blue_sound_sampler_device, "blue_sampler", "Blue Alpha Sound Sampler") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_blue_sound_sampler_device::device_add_mconfig(machine_config &config) +{ + SPEAKER(config, "mono").front_center(); + + I8255A(config, m_ppi); + m_ppi->out_pa_callback().set("dac", FUNC(dac_byte_interface::data_w)); + m_ppi->out_pb_callback().set(FUNC(sam_blue_sound_sampler_device::ppi_portb_w)); + m_ppi->in_pc_callback().set(FUNC(sam_blue_sound_sampler_device::ppi_portc_r)); + + ZN426E(config, m_dac, 0).add_route(ALL_OUTPUTS, "mono", 0.5); + voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); + vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); + vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); + + // TODO: ZN449E ADC + + // 555 with variable resistor ~19.342hz + TIMER(config, "timer").configure_periodic(FUNC(sam_blue_sound_sampler_device::clock_callback), PERIOD_OF_555_MONOSTABLE(RES_K(1), CAP_N(47))); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_blue_sound_sampler_device - constructor +//------------------------------------------------- + +sam_blue_sound_sampler_device::sam_blue_sound_sampler_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_BLUE_SOUND_SAMPLER, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_ppi(*this, "ppi"), + m_dac(*this, "dac"), + m_portc(0) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_blue_sound_sampler_device::device_start() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +TIMER_DEVICE_CALLBACK_MEMBER( sam_blue_sound_sampler_device::clock_callback ) +{ + m_portc ^= 1; +} + +void sam_blue_sound_sampler_device::ppi_portb_w(uint8_t data) +{ + // 765432-- not used + // ------1- enable for adc + // -------0 enable for dac and ppi pc6 + + m_ppi->pc6_w(BIT(data, 0)); +} + +uint8_t sam_blue_sound_sampler_device::ppi_portc_r() +{ + // 7------- not used + // -6------ from ppi pb0 + // --5----- not used + // ---4---- busy output from zn449e adc + // ----321- not used + // -------- clock input from 555 + + return m_portc; +} + +uint8_t sam_blue_sound_sampler_device::iorq_r(offs_t offset) +{ + uint8_t data = 0xff; + + if ((offset & 0xff) == 0x7f) + return m_ppi->read(offset >> 8); + + return data; +} + +void sam_blue_sound_sampler_device::iorq_w(offs_t offset, uint8_t data) +{ + if ((offset & 0xff) == 0x7f) + m_ppi->write(offset >> 8, data); +} diff --git a/src/devices/bus/samcoupe/expansion/blue_sampler.h b/src/devices/bus/samcoupe/expansion/blue_sampler.h new file mode 100644 index 00000000000..56c1298345c --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/blue_sampler.h @@ -0,0 +1,54 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Blue Alpha Sound Sampler for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H +#define MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H + +#pragma once + +#include "expansion.h" +#include "machine/i8255.h" +#include "machine/timer.h" +#include "sound/dac.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_blue_sound_sampler_device + +class sam_blue_sound_sampler_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_blue_sound_sampler_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + TIMER_DEVICE_CALLBACK_MEMBER(clock_callback); + void ppi_portb_w(uint8_t data); + uint8_t ppi_portc_r(); + + required_device<i8255_device> m_ppi; + required_device<zn426e_device> m_dac; + + uint8_t m_portc; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_BLUE_SOUND_SAMPLER, sam_blue_sound_sampler_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H diff --git a/src/devices/bus/samcoupe/expansion/dallas.cpp b/src/devices/bus/samcoupe/expansion/dallas.cpp new file mode 100644 index 00000000000..e7c57fb66cc --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/dallas.cpp @@ -0,0 +1,79 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Dallas Clock for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "dallas.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_DALLAS_CLOCK, sam_dallas_clock_device, "sam_dallas_clock", "Dallas Clock") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_dallas_clock_device::device_add_mconfig(machine_config &config) +{ + DS12885(config, m_rtc, 32.768_kHz_XTAL); // should be DS12887 or DS1287 + m_rtc->set_24hrs(true); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_dallas_clock_device - constructor +//------------------------------------------------- + +sam_dallas_clock_device::sam_dallas_clock_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_DALLAS_CLOCK, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_rtc(*this, "rtc") +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_dallas_clock_device::device_start() +{ + // register for savestates + save_item(NAME(m_print)); +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void sam_dallas_clock_device::print_w(int state) +{ + m_print = state; +} + +uint8_t sam_dallas_clock_device::iorq_r(offs_t offset) +{ + uint8_t data = 0xff; + + if (m_print && (offset & 0xfe07) == 0xfe07) + data &= m_rtc->read((offset >> 8) & 0x01); + + return data; +} + +void sam_dallas_clock_device::iorq_w(offs_t offset, uint8_t data) +{ + if (m_print && (offset & 0xfe07) == 0xfe07) + m_rtc->write((offset >> 8) & 0x01, data); +} diff --git a/src/devices/bus/samcoupe/expansion/dallas.h b/src/devices/bus/samcoupe/expansion/dallas.h new file mode 100644 index 00000000000..4b011e5db34 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/dallas.h @@ -0,0 +1,49 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Dallas Clock for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_DALLAS_H +#define MAME_BUS_SAMCOUPE_EXPANSION_DALLAS_H + +#pragma once + +#include "expansion.h" +#include "machine/ds128x.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_dallas_clock_device + +class sam_dallas_clock_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_dallas_clock_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual void print_w(int state) override; + + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<ds12885_device> m_rtc; + + int m_print; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_DALLAS_CLOCK, sam_dallas_clock_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_DALLAS_H diff --git a/src/devices/bus/samcoupe/expansion/expansion.cpp b/src/devices/bus/samcoupe/expansion/expansion.cpp new file mode 100644 index 00000000000..a5d94572142 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/expansion.cpp @@ -0,0 +1,124 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Expansion Slot + + 64-pin slot + +***************************************************************************/ + +#include "emu.h" +#include "expansion.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAMCOUPE_EXPANSION, samcoupe_expansion_device, "samcoupe_expansion", "SAM Coupe Expansion Bus") + + +//************************************************************************** +// SLOT DEVICE +//************************************************************************** + +//------------------------------------------------- +// samcoupe_expansion_device - constructor +//------------------------------------------------- + +samcoupe_expansion_device::samcoupe_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAMCOUPE_EXPANSION, tag, owner, clock), + device_single_card_slot_interface<device_samcoupe_expansion_interface>(mconfig, *this), + m_int_handler(*this), + m_module(nullptr) +{ +} + +//------------------------------------------------- +// samcoupe_expansion_device - destructor +//------------------------------------------------- + +samcoupe_expansion_device::~samcoupe_expansion_device() +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void samcoupe_expansion_device::device_start() +{ + // get inserted module + m_module = get_card_device(); + + // resolve callbacks + m_int_handler.resolve_safe(); +} + +//------------------------------------------------- +// host to module interface +//------------------------------------------------- + +uint8_t samcoupe_expansion_device::mreq_r(offs_t offset) +{ + if (m_module) + return m_module->mreq_r(offset); + + return 0xff; +} + +void samcoupe_expansion_device::mreq_w(offs_t offset, uint8_t data) +{ + if (m_module) + m_module->mreq_w(offset, data); +} + +uint8_t samcoupe_expansion_device::iorq_r(offs_t offset) +{ + if (m_module) + return m_module->iorq_r(offset); + + return 0xff; +} + +void samcoupe_expansion_device::iorq_w(offs_t offset, uint8_t data) +{ + if (m_module) + m_module->iorq_w(offset, data); +} + +WRITE_LINE_MEMBER( samcoupe_expansion_device::xmem_w ) +{ + if (m_module) + m_module->xmem_w(state); +} + +WRITE_LINE_MEMBER( samcoupe_expansion_device::print_w ) +{ + if (m_module) + m_module->print_w(state); +} + + +//************************************************************************** +// MODULE INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_samcoupe_expansion_interface - constructor +//------------------------------------------------- + +device_samcoupe_expansion_interface::device_samcoupe_expansion_interface(const machine_config &mconfig, device_t &device) : + device_interface(device, "samcoupeexp") +{ + m_expansion = dynamic_cast<samcoupe_expansion_device *>(device.owner()); +} + +//------------------------------------------------- +// ~device_samcoupe_expansion_interface - destructor +//------------------------------------------------- + +device_samcoupe_expansion_interface::~device_samcoupe_expansion_interface() +{ +} diff --git a/src/devices/bus/samcoupe/expansion/expansion.h b/src/devices/bus/samcoupe/expansion/expansion.h new file mode 100644 index 00000000000..7b1e6be4e80 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/expansion.h @@ -0,0 +1,128 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Expansion Slot + + 64-pin slot + + 1A DBDIR 1C IORQL + 2A RDL 2C MREQL + 3A WRL 3C HALTL + 4A BUSAKL 4C NMIL + 5A WAITL 5C INTL + 6A BUSREQL 6C CD1 + 7A RESETL 7C CD0 + 8A CM1L 8C CD7 + 9A REFRESHL 9C CD2 + 10A 0 VOLTS 10C +5 VOLTS + 11A A0 11C CD6 + 12A A1 12C CD5 + 13A A2 13C CD3 + 14A A3 14C CD4 + 15A A4 15C CPU CLK + 16A A5 16C A15 + 17A A6 17C A14 + 18A A7 18C A13 + 19A A8 19C A12 + 20A A9 20C A11 + 21A A10 21C DISK 2L + 22A MSEINTL 22C ROMCSL + 23A XMEML 23C EARMIC + 24A 8 MHz 24C DISK 1L + 25A RED 1 25C PRINTL + 26A GREEN 1 26C BLUE 1 + 27A C SYNC 27C ROMCSRL + 28A SPEN 28C AUDIO RIGHT + 29A BLUE 0 29C AUDIO LEFT + 30A RED 0 30C COMP VIDEO + 31A BRIGHT 31C GREEN 0 + 32A +5 VOLTS 32C 0 VOLTS + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_EXPANSION_H +#define MAME_BUS_SAMCOUPE_EXPANSION_EXPANSION_H + +#pragma once + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class device_samcoupe_expansion_interface; + +// ======================> samcoupe_expansion_device + +class samcoupe_expansion_device : public device_t, public device_single_card_slot_interface<device_samcoupe_expansion_interface> +{ +public: + // construction/destruction + template <typename T> + samcoupe_expansion_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts) + : samcoupe_expansion_device(mconfig, tag, owner, uint32_t(0)) + { + option_reset(); + opts(*this); + set_default_option(nullptr); + set_fixed(false); + } + + samcoupe_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~samcoupe_expansion_device(); + + // callbacks + auto int_handler() { return m_int_handler.bind(); } + + // called from cart device + DECLARE_WRITE_LINE_MEMBER( int_w ) { m_int_handler(state); } + + // called from host + uint8_t mreq_r(offs_t offset); + void mreq_w(offs_t offset, uint8_t data); + uint8_t iorq_r(offs_t offset); + void iorq_w(offs_t offset, uint8_t data); + + DECLARE_WRITE_LINE_MEMBER( xmem_w ); + DECLARE_WRITE_LINE_MEMBER( print_w ); + +protected: + // device-level overrides + virtual void device_start() override; + +private: + devcb_write_line m_int_handler; + + device_samcoupe_expansion_interface *m_module; +}; + +// ======================> device_samcoupe_expansion_interface + +class device_samcoupe_expansion_interface : public device_interface +{ +public: + // construction/destruction + virtual ~device_samcoupe_expansion_interface(); + + virtual uint8_t mreq_r(offs_t offset) { return 0xff; } + virtual void mreq_w(offs_t offset, uint8_t data) { } + virtual uint8_t iorq_r(offs_t offset) { return 0xff; } + virtual void iorq_w(offs_t offset, uint8_t data) { } + + virtual void xmem_w(int state) { } + virtual void print_w(int state) { } + +protected: + device_samcoupe_expansion_interface(const machine_config &mconfig, device_t &device); + + samcoupe_expansion_device *m_expansion; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAMCOUPE_EXPANSION, samcoupe_expansion_device) + +// include here so drivers don't need to +#include "modules.h" + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_EXPANSION_H diff --git a/src/devices/bus/samcoupe/expansion/modules.cpp b/src/devices/bus/samcoupe/expansion/modules.cpp new file mode 100644 index 00000000000..adc5cbaa137 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/modules.cpp @@ -0,0 +1,30 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Expansion Slot modules + +***************************************************************************/ + +#include "emu.h" +#include "modules.h" + +#include "blue_sampler.h" +#include "dallas.h" +#include "onemeg.h" +#include "sambus.h" +#include "sid.h" +#include "spi.h" +#include "voicebox.h" + +void samcoupe_expansion_modules(device_slot_interface &device) +{ + device.option_add("blue_sampler", SAM_BLUE_SOUND_SAMPLER); + device.option_add("dallas", SAM_DALLAS_CLOCK); + device.option_add("onemeg", SAM_ONEMEG); + device.option_add("sambus", SAM_SAMBUS); + device.option_add("sid6581", SAM_SID6581); + device.option_add("sid8580", SAM_SID8580); + device.option_add("spi", SAM_SPI); + device.option_add("voicebox", SAM_VOICEBOX); +} diff --git a/src/devices/bus/samcoupe/expansion/modules.h b/src/devices/bus/samcoupe/expansion/modules.h new file mode 100644 index 00000000000..f58328f11d5 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/modules.h @@ -0,0 +1,16 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Expansion Slot modules + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_MODULES_H +#define MAME_BUS_SAMCOUPE_EXPANSION_MODULES_H + +#pragma once + +void samcoupe_expansion_modules(device_slot_interface &device); + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_MODULES_H diff --git a/src/devices/bus/samcoupe/expansion/onemeg.cpp b/src/devices/bus/samcoupe/expansion/onemeg.cpp new file mode 100644 index 00000000000..05c7c01860d --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/onemeg.cpp @@ -0,0 +1,110 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + 1 Mb Interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "onemeg.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_ONEMEG, sam_onemeg_device, "onemeg", "1 Mb Interface") + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +static INPUT_PORTS_START( onemeg ) + PORT_START("dip") + PORT_DIPNAME(0x03, 0x03, "Board ID") + PORT_DIPSETTING(0x00, "1") + PORT_DIPSETTING(0x01, "2") + PORT_DIPSETTING(0x02, "3") + PORT_DIPSETTING(0x03, "4") +INPUT_PORTS_END + +ioport_constructor sam_onemeg_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( onemeg ); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_onemeg_device - constructor +//------------------------------------------------- + +sam_onemeg_device::sam_onemeg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_ONEMEG, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_dip(*this, "dip"), + m_xmem(0), + m_expage{ 0x00, 0x00 } +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_onemeg_device::device_start() +{ + // init ram + m_ram = std::make_unique<uint8_t[]>(0x100000); + memset(m_ram.get(), 0x55, 0x100000); + + // register for savestates + save_item(NAME(m_xmem)); + save_item(NAME(m_expage[0])); + save_item(NAME(m_expage[1])); + save_pointer(NAME(m_ram), 0x100000); +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void sam_onemeg_device::xmem_w(int state) +{ + m_xmem = state; +} + +uint8_t sam_onemeg_device::mreq_r(offs_t offset) +{ + uint8_t data = 0xff; + + // read if external memory is enabled and the id matches + if (m_xmem && (m_expage[BIT(offset, 14)] >> 6 == m_dip->read())) + data = m_ram[((m_expage[BIT(offset, 14)] & 0x3f) << 14) | (offset & 0x3fff)]; + + return data; +} + +void sam_onemeg_device::mreq_w(offs_t offset, uint8_t data) +{ + // write if external memory is enabled and the id matches + if (m_xmem && (m_expage[BIT(offset, 14)] >> 6 == m_dip->read())) + m_ram[((m_expage[BIT(offset, 14)] & 0x3f) << 14) | (offset & 0x3fff)] = data; +} + +void sam_onemeg_device::iorq_w(offs_t offset, uint8_t data) +{ + // 0x80: EXPAGE-C + // 0x81: EXPAGE-D + + // 76------ selected memory expansion + // --543210 memory bank + + if ((offset & 0xfe) == 0x80) + m_expage[BIT(offset, 0)] = data; +} diff --git a/src/devices/bus/samcoupe/expansion/onemeg.h b/src/devices/bus/samcoupe/expansion/onemeg.h new file mode 100644 index 00000000000..40b60accf82 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/onemeg.h @@ -0,0 +1,52 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + 1 Mb Interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_ONEMEG_H +#define MAME_BUS_SAMCOUPE_EXPANSION_ONEMEG_H + +#pragma once + +#include "expansion.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_onemeg_device + +class sam_onemeg_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_onemeg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual void xmem_w(int state) override; + + virtual uint8_t mreq_r(offs_t offset) override; + virtual void mreq_w(offs_t offset, uint8_t data) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual ioport_constructor device_input_ports() const override; + virtual void device_start() override; + +private: + required_ioport m_dip; + + int m_xmem; + uint8_t m_expage[2]; + + std::unique_ptr<uint8_t[]> m_ram; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_ONEMEG, sam_onemeg_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_ONEMEG_H diff --git a/src/devices/bus/samcoupe/expansion/sambus.cpp b/src/devices/bus/samcoupe/expansion/sambus.cpp new file mode 100644 index 00000000000..5b68ff49f88 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/sambus.cpp @@ -0,0 +1,116 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAMBUS 4-slot Expansion Interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "sambus.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_SAMBUS, sam_sambus_device, "sambus", "SAMBUS 4-slot Expansion Interface") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_sambus_device::device_add_mconfig(machine_config &config) +{ + MSM6242(config, m_rtc, 32.768_kHz_XTAL); + + SAMCOUPE_EXPANSION(config, m_exp[0], samcoupe_expansion_modules); + SAMCOUPE_EXPANSION(config, m_exp[1], samcoupe_expansion_modules); + SAMCOUPE_EXPANSION(config, m_exp[2], samcoupe_expansion_modules); + SAMCOUPE_EXPANSION(config, m_exp[3], samcoupe_expansion_modules); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_sambus_device - constructor +//------------------------------------------------- + +sam_sambus_device::sam_sambus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_SAMBUS, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_rtc(*this, "rtc"), + m_exp(*this, "%u", 0U), + m_print(0) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_sambus_device::device_start() +{ + // register for savestates + save_item(NAME(m_print)); +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void sam_sambus_device::xmem_w(int state) +{ + for (int i = 0; i < 4; i++) + m_exp[i]->xmem_w(state); +} + +void sam_sambus_device::print_w(int state) +{ + for (int i = 0; i < 4; i++) + m_exp[i]->print_w(state); + + m_print = state; +} + +uint8_t sam_sambus_device::mreq_r(offs_t offset) +{ + uint8_t data = 0xff; + + for (int i = 0; i < 4; i++) + data &= m_exp[i]->mreq_r(offset); + + return data; +} + +void sam_sambus_device::mreq_w(offs_t offset, uint8_t data) +{ + for (int i = 0; i < 4; i++) + m_exp[i]->mreq_w(offset, data); +} + +uint8_t sam_sambus_device::iorq_r(offs_t offset) +{ + uint8_t data = 0xff; + + if (m_print && (offset & 0x07) == 0x07) + data &= m_rtc->read(offset >> 12); + + for (int i = 0; i < 4; i++) + data &= m_exp[i]->iorq_r(offset); + + return data; +} + +void sam_sambus_device::iorq_w(offs_t offset, uint8_t data) +{ + if (m_print && (offset & 0x07) == 0x07) + m_rtc->write(offset >> 12, data); + + for (int i = 0; i < 4; i++) + m_exp[i]->iorq_w(offset, data); +} diff --git a/src/devices/bus/samcoupe/expansion/sambus.h b/src/devices/bus/samcoupe/expansion/sambus.h new file mode 100644 index 00000000000..4d17ed4ae74 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/sambus.h @@ -0,0 +1,53 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAMBUS 4-slot Expansion Interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_SAMBUS_H +#define MAME_BUS_SAMCOUPE_EXPANSION_SAMBUS_H + +#pragma once + +#include "expansion.h" +#include "machine/msm6242.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_sambus_device + +class sam_sambus_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_sambus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual void xmem_w(int state) override; + virtual void print_w(int state) override; + + virtual uint8_t mreq_r(offs_t offset) override; + virtual void mreq_w(offs_t offset, uint8_t data) override; + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<msm6242_device> m_rtc; + required_device_array<samcoupe_expansion_device, 4> m_exp; + + int m_print; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_SAMBUS, sam_sambus_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_SAMBUS_H diff --git a/src/devices/bus/samcoupe/expansion/sid.cpp b/src/devices/bus/samcoupe/expansion/sid.cpp new file mode 100644 index 00000000000..45c3c0c7f83 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/sid.cpp @@ -0,0 +1,90 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SID Soundchip Interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "sid.h" +#include "speaker.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_SID6581, sam_sid6581_device, "sid6581", "SID Soundchip Interface (6581)") +DEFINE_DEVICE_TYPE(SAM_SID8580, sam_sid8580_device, "sid8580", "SID Soundchip Interface (8580)") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_sid6581_device::device_add_mconfig(machine_config &config) +{ + SPEAKER(config, "mono").front_center(); + MOS6581(config, m_sid, 1_MHz_XTAL); + m_sid->add_route(ALL_OUTPUTS, "mono", 1.00); +} + +void sam_sid8580_device::device_add_mconfig(machine_config &config) +{ + SPEAKER(config, "mono").front_center(); + MOS8580(config, m_sid, 1_MHz_XTAL); + m_sid->add_route(ALL_OUTPUTS, "mono", 1.00); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_sid_device - constructor +//------------------------------------------------- + +sam_sid_device::sam_sid_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, type, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_sid(*this, "sid") +{ +} + +//------------------------------------------------- +// sam_sid6581_device - constructor +//------------------------------------------------- + +sam_sid6581_device::sam_sid6581_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + sam_sid_device(mconfig, SAM_SID6581, tag, owner, clock) +{ +} + +//------------------------------------------------- +// sam_sid8580_device - constructor +//------------------------------------------------- + +sam_sid8580_device::sam_sid8580_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + sam_sid_device(mconfig, SAM_SID8580, tag, owner, clock) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_sid_device::device_start() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void sam_sid_device::iorq_w(offs_t offset, uint8_t data) +{ + if ((offset & 0xff) == 0xd4) + m_sid->write(offset >> 8, data); +} diff --git a/src/devices/bus/samcoupe/expansion/sid.h b/src/devices/bus/samcoupe/expansion/sid.h new file mode 100644 index 00000000000..9580f00af65 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/sid.h @@ -0,0 +1,67 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SID Soundchip Interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_SID_H +#define MAME_BUS_SAMCOUPE_EXPANSION_SID_H + +#pragma once + +#include "expansion.h" +#include "sound/mos6581.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_sid_device + +class sam_sid_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_sid_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual void device_start() override; + + required_device<mos6581_device> m_sid; +}; + +// ======================> sam_sid6581_device + +class sam_sid6581_device : public sam_sid_device +{ +public: + // construction/destruction + sam_sid6581_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + virtual void device_add_mconfig(machine_config &config) override; +}; + +// ======================> sam_sid8580_device + +class sam_sid8580_device : public sam_sid_device +{ +public: + // construction/destruction + sam_sid8580_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + virtual void device_add_mconfig(machine_config &config) override; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_SID6581, sam_sid6581_device) +DECLARE_DEVICE_TYPE(SAM_SID8580, sam_sid8580_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_SID_H diff --git a/src/devices/bus/samcoupe/expansion/spi.cpp b/src/devices/bus/samcoupe/expansion/spi.cpp new file mode 100644 index 00000000000..47343f32dc1 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/spi.cpp @@ -0,0 +1,120 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + S.P.I. SAM Parallel Interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "spi.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_SPI, sam_spi_device, "spi", "S.P.I. SAM Parallel Interface") + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_spi_device::device_add_mconfig(machine_config &config) +{ + OUTPUT_LATCH(config, m_data_out); + + CENTRONICS(config, m_centronics, centronics_devices, "printer"); + m_centronics->busy_handler().set(FUNC(sam_spi_device::centronics_busy_w)); + m_centronics->set_output_latch(*m_data_out); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sambus_device - constructor +//------------------------------------------------- + +sam_spi_device::sam_spi_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_SPI, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_data_out(*this, "data_out"), + m_centronics(*this, "centronics"), + m_print(0), + m_busy(0), + m_mode(0) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_spi_device::device_start() +{ + // register for savestates + save_item(NAME(m_print)); + save_item(NAME(m_busy)); + save_item(NAME(m_mode)); +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +WRITE_LINE_MEMBER( sam_spi_device::centronics_busy_w ) +{ + m_busy = state; +} + +void sam_spi_device::print_w(int state) +{ + m_print = state; +} + +uint8_t sam_spi_device::iorq_r(offs_t offset) +{ + uint8_t data = 0xff; + + if (m_print) + { + switch (offset & 0x07) + { + case 0x01: + data = 0xfe | m_busy; + break; + + case 0x02: + logerror("Warning: Data read unsupported\n"); + data = 0xff; + break; + } + } + + return data; +} + +void sam_spi_device::iorq_w(offs_t offset, uint8_t data) +{ + if (m_print) + { + switch (offset & 0x07) + { + case 0x00: + m_data_out->write(data); + break; + + case 0x01: + m_centronics->write_strobe(BIT(data, 0)); + break; + + case 0x02: + m_mode = BIT(data, 0); // 0 = output (default), 1 = input + break; + } + } +} diff --git a/src/devices/bus/samcoupe/expansion/spi.h b/src/devices/bus/samcoupe/expansion/spi.h new file mode 100644 index 00000000000..38e813bd6ee --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/spi.h @@ -0,0 +1,54 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + S.P.I. SAM Parallel Interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_SPI_H +#define MAME_BUS_SAMCOUPE_EXPANSION_SPI_H + +#pragma once + +#include "expansion.h" +#include "bus/centronics/ctronics.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_spi_device + +class sam_spi_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_spi_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual void print_w(int state) override; + + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<output_latch_device> m_data_out; + required_device<centronics_device> m_centronics; + + DECLARE_WRITE_LINE_MEMBER(centronics_busy_w); + + int m_print; + int m_busy; + int m_mode; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_SPI, sam_spi_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_SPI_H diff --git a/src/devices/bus/samcoupe/expansion/voicebox.cpp b/src/devices/bus/samcoupe/expansion/voicebox.cpp new file mode 100644 index 00000000000..d52fc3275a7 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/voicebox.cpp @@ -0,0 +1,88 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Voicebox for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "voicebox.h" +#include "speaker.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_VOICEBOX, sam_voicebox_device, "voicebox", "Voicebox") + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +ROM_START( sp0256 ) + ROM_REGION(0x10000, "sp0256", 0) + ROM_LOAD("sp0256a-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc)) +ROM_END + +const tiny_rom_entry *sam_voicebox_device::device_rom_region() const +{ + return ROM_NAME( sp0256 ); +} + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void sam_voicebox_device::device_add_mconfig(machine_config &config) +{ + SPEAKER(config, "mono").front_center(); + SP0256(config, m_sp0256, 3000000); // ??? + m_sp0256->add_route(ALL_OUTPUTS, "mono", 1.00); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_voicebox_device - constructor +//------------------------------------------------- + +sam_voicebox_device::sam_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_VOICEBOX, tag, owner, clock), + device_samcoupe_expansion_interface(mconfig, *this), + m_sp0256(*this, "sp0256") +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_voicebox_device::device_start() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +uint8_t sam_voicebox_device::iorq_r(offs_t offset) +{ + uint8_t data = 0xff; + + if ((offset & 0xff) == 0x7f) + data = 0x18 | m_sp0256->lrq_r(); + + return data; +} + +void sam_voicebox_device::iorq_w(offs_t offset, uint8_t data) +{ + if ((offset & 0xff) == 0x7f) + m_sp0256->ald_w(data); +} diff --git a/src/devices/bus/samcoupe/expansion/voicebox.h b/src/devices/bus/samcoupe/expansion/voicebox.h new file mode 100644 index 00000000000..775bc544a49 --- /dev/null +++ b/src/devices/bus/samcoupe/expansion/voicebox.h @@ -0,0 +1,46 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + Voicebox for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_EXPANSION_VOICEBOX_H +#define MAME_BUS_SAMCOUPE_EXPANSION_VOICEBOX_H + +#pragma once + +#include "expansion.h" +#include "sound/sp0256.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_voicebox_device + +class sam_voicebox_device : public device_t, public device_samcoupe_expansion_interface +{ +public: + // construction/destruction + sam_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +protected: + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + +private: + required_device<sp0256_device> m_sp0256; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_VOICEBOX, sam_voicebox_device) + +#endif // MAME_BUS_SAMCOUPE_EXPANSION_VOICEBOX_H diff --git a/src/devices/bus/samcoupe/mouse/modules.cpp b/src/devices/bus/samcoupe/mouse/modules.cpp new file mode 100644 index 00000000000..2079e1b3f4b --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/modules.cpp @@ -0,0 +1,17 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Mouse Port modules + +***************************************************************************/ + +#include "emu.h" +#include "modules.h" + +#include "mouse.h" + +void samcoupe_mouse_modules(device_slot_interface &device) +{ + device.option_add("mouse", SAM_MOUSE); +} diff --git a/src/devices/bus/samcoupe/mouse/modules.h b/src/devices/bus/samcoupe/mouse/modules.h new file mode 100644 index 00000000000..5a2b3bb7dcc --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/modules.h @@ -0,0 +1,16 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Mouse Port modules + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_MOUSE_MODULES_H +#define MAME_BUS_SAMCOUPE_MOUSE_MODULES_H + +#pragma once + +void samcoupe_mouse_modules(device_slot_interface &device); + +#endif // MAME_BUS_SAMCOUPE_MOUSE_MODULES_H diff --git a/src/devices/bus/samcoupe/mouse/mouse.cpp b/src/devices/bus/samcoupe/mouse/mouse.cpp new file mode 100644 index 00000000000..bc3b28a98fa --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/mouse.cpp @@ -0,0 +1,131 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Mouse Interface for SAM Coupe + +***************************************************************************/ + +#include "emu.h" +#include "mouse.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAM_MOUSE, sam_mouse_device, "sam_mouse", "SAM Coupe Mouse Interface") + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +static INPUT_PORTS_START( mouse ) + PORT_START("buttons") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_CODE(MOUSECODE_BUTTON1) PORT_NAME("Mouse Button 1") + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_CODE(MOUSECODE_BUTTON3) PORT_NAME("Mouse Button 3") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_CODE(MOUSECODE_BUTTON2) PORT_NAME("Mouse Button 2") + PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("x") + PORT_BIT(0xfff, 0x000, IPT_MOUSE_X) PORT_PLAYER(1) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) PORT_REVERSE + + PORT_START("y") + PORT_BIT(0xfff, 0x000, IPT_MOUSE_Y) PORT_PLAYER(1) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) +INPUT_PORTS_END + +ioport_constructor sam_mouse_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( mouse ); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sam_mouse_device - constructor +//------------------------------------------------- + +sam_mouse_device::sam_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAM_MOUSE, tag, owner, clock), + device_samcoupe_mouse_interface(mconfig, *this), + m_io_buttons(*this, "buttons"), + m_io_x(*this, "x"), + m_io_y(*this, "y") +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sam_mouse_device::device_start() +{ + // allocate timer + m_reset = timer_alloc(); +} + +//------------------------------------------------- +// device_reset - device-specific startup +//------------------------------------------------- + +void sam_mouse_device::device_reset() +{ + m_mouse_index = 0; + m_mouse_data[0] = 0xff; + m_mouse_data[1] = 0xff; +} + +//------------------------------------------------- +// device_timer - handler timer events +//------------------------------------------------- + +void sam_mouse_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) +{ + m_mouse_index = 0; +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +uint8_t sam_mouse_device::read() +{ + uint8_t data; + + // on a read, reset the timer + m_reset->adjust(attotime::from_usec(50)); + + // update when we are about to read the first real values + if (m_mouse_index == 2) + { + int mouse_x = m_io_x->read(); + int mouse_y = m_io_y->read(); + + // distance moved + int mouse_dx = m_mouse_x - mouse_x; + int mouse_dy = m_mouse_y - mouse_y; + + m_mouse_x = mouse_x; + m_mouse_y = mouse_y; + + m_mouse_data[2] = m_io_buttons->read(); + m_mouse_data[3] = (mouse_dy & 0xf00) >> 8; + m_mouse_data[4] = (mouse_dy & 0x0f0) >> 4; + m_mouse_data[5] = (mouse_dy & 0x00f) >> 0; + m_mouse_data[6] = (mouse_dx & 0xf00) >> 8; + m_mouse_data[7] = (mouse_dx & 0x0f0) >> 4; + m_mouse_data[8] = (mouse_dx & 0x00f) >> 0; + } + + data = m_mouse_data[m_mouse_index++]; + + // reset if we are at the end + if (m_mouse_index == sizeof(m_mouse_data)) + m_mouse_index = 1; + + return data; +} diff --git a/src/devices/bus/samcoupe/mouse/mouse.h b/src/devices/bus/samcoupe/mouse/mouse.h new file mode 100644 index 00000000000..1e0f6936a1b --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/mouse.h @@ -0,0 +1,53 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Mouse Interface for SAM Coupe + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_MOUSE_MOUSE_H +#define MAME_BUS_SAMCOUPE_MOUSE_MOUSE_H + +#pragma once + +#include "mouseport.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sam_mouse_device + +class sam_mouse_device : public device_t, public device_samcoupe_mouse_interface +{ +public: + // construction/destruction + sam_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // from host + virtual uint8_t read() override; + +protected: + virtual ioport_constructor device_input_ports() const override; + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + required_ioport m_io_buttons; + required_ioport m_io_x; + required_ioport m_io_y; + + emu_timer *m_reset; + + int m_mouse_index; + uint8_t m_mouse_data[9]; + int m_mouse_x, m_mouse_y; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAM_MOUSE, sam_mouse_device) + +#endif // MAME_BUS_SAMCOUPE_MOUSE_MOUSE_H diff --git a/src/devices/bus/samcoupe/mouse/mouseport.cpp b/src/devices/bus/samcoupe/mouse/mouseport.cpp new file mode 100644 index 00000000000..3bfc609c093 --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/mouseport.cpp @@ -0,0 +1,92 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Mouse Port + + 8-pin connector + +***************************************************************************/ + +#include "emu.h" +#include "mouseport.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(SAMCOUPE_MOUSE_PORT, samcoupe_mouse_port_device, "samcoupe_mouse_port", "SAM Coupe Mouse Port") + + +//************************************************************************** +// SLOT DEVICE +//************************************************************************** + +//------------------------------------------------- +// samcoupe_mouse_port_device - constructor +//------------------------------------------------- + +samcoupe_mouse_port_device::samcoupe_mouse_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, SAMCOUPE_MOUSE_PORT, tag, owner, clock), + device_single_card_slot_interface<device_samcoupe_mouse_interface>(mconfig, *this), + m_mseint_handler(*this), + m_module(nullptr) +{ +} + +//------------------------------------------------- +// samcoupe_mouse_port_device - destructor +//------------------------------------------------- + +samcoupe_mouse_port_device::~samcoupe_mouse_port_device() +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void samcoupe_mouse_port_device::device_start() +{ + // get inserted module + m_module = get_card_device(); + + // resolve callbacks + m_mseint_handler.resolve_safe(); +} + +//------------------------------------------------- +// host to module interface +//------------------------------------------------- + +uint8_t samcoupe_mouse_port_device::read() +{ + if (m_module) + return m_module->read(); + + return 0xff; +} + + +//************************************************************************** +// MODULE INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_samcoupe_mouse_interface - constructor +//------------------------------------------------- + +device_samcoupe_mouse_interface::device_samcoupe_mouse_interface(const machine_config &mconfig, device_t &device) : + device_interface(device, "samcoupemouse") +{ + m_port = dynamic_cast<samcoupe_mouse_port_device *>(device.owner()); +} + +//------------------------------------------------- +// ~device_samcoupe_mouse_interface - destructor +//------------------------------------------------- + +device_samcoupe_mouse_interface::~device_samcoupe_mouse_interface() +{ +} diff --git a/src/devices/bus/samcoupe/mouse/mouseport.h b/src/devices/bus/samcoupe/mouse/mouseport.h new file mode 100644 index 00000000000..6259574e1ea --- /dev/null +++ b/src/devices/bus/samcoupe/mouse/mouseport.h @@ -0,0 +1,92 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + SAM Coupe Mouse Port + + 8-pin connector + + 1 K3 + 2 K2 + 3 K1 + 4 K5 + 5 K4 + 6 MSEINT + 7 RDMSEL + 8 5V + +***************************************************************************/ + +#ifndef MAME_BUS_SAMCOUPE_MOUSE_MOUSEPORT_H +#define MAME_BUS_SAMCOUPE_MOUSE_MOUSEPORT_H + +#pragma once + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class device_samcoupe_mouse_interface; + +// ======================> samcoupe_mouse_port_device + +class samcoupe_mouse_port_device : public device_t, public device_single_card_slot_interface<device_samcoupe_mouse_interface> +{ +public: + // construction/destruction + template <typename T> + samcoupe_mouse_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts) + : samcoupe_mouse_port_device(mconfig, tag, owner, uint32_t(0)) + { + option_reset(); + opts(*this); + set_default_option(nullptr); + set_fixed(false); + } + + samcoupe_mouse_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~samcoupe_mouse_port_device(); + + // callbacks + auto mseint_handler() { return m_mseint_handler.bind(); } + + // called from cart device + DECLARE_WRITE_LINE_MEMBER( mseint_w ) { m_mseint_handler(state); } + + // called from host + uint8_t read(); + +protected: + // device-level overrides + virtual void device_start() override; + +private: + devcb_write_line m_mseint_handler; + + device_samcoupe_mouse_interface *m_module; +}; + +// ======================> device_samcoupe_mouse_interface + +class device_samcoupe_mouse_interface : public device_interface +{ +public: + // construction/destruction + virtual ~device_samcoupe_mouse_interface(); + + virtual uint8_t read() { return 0xff; } + +protected: + device_samcoupe_mouse_interface(const machine_config &mconfig, device_t &device); + + samcoupe_mouse_port_device *m_port; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SAMCOUPE_MOUSE_PORT, samcoupe_mouse_port_device) + +// include here so drivers don't need to +#include "modules.h" + +#endif // MAME_BUS_SAMCOUPE_MOUSE_MOUSEPORT_H diff --git a/src/mame/drivers/samcoupe.cpp b/src/mame/drivers/samcoupe.cpp index 0ae77615a6c..c4a2b89905b 100644 --- a/src/mame/drivers/samcoupe.cpp +++ b/src/mame/drivers/samcoupe.cpp @@ -4,52 +4,509 @@ Miles Gordon Technology SAM Coupe - Notes: - ------ + Note: + - Early ROMs are buggy. Version 1.0 requires the command CALL 229385 + (256k machine) or CALL 491529 (512k machine) to execute the bootstrap. - Beware - the early ROMs are very buggy, and tend to go mad once BASIC - starts paging. ROM 10 (version 1.0) requires the CALL after F9 or BOOT - because the ROM loads the bootstrap but fails to execute it. The address - depends on the RAM size: + TODO: + - Better timing, emulate memory contention - On a 256K SAM: CALL 229385 - Or on a 512K (or larger) machine: CALL 491529 - - - Todo: - ----- - - - Attribute read - - Better timing - - Harddisk interfaces + Hardware: + - Z80 at 6 MHz + - Custom ASIC handling the system and video + - SAA1099 sound + - XTAL X1: 24 MHz (system clock) + - XTAL X2: 4.433619 MHz (RGB encoder) ***************************************************************************/ -/* core includes */ #include "emu.h" -#include "includes/samcoupe.h" - #include "cpu/z80/z80.h" +#include "machine/bankdev.h" +#include "machine/ram.h" #include "sound/saa1099.h" - +#include "sound/spkrdev.h" +#include "imagedev/cassette.h" +#include "bus/samcoupe/drive/drive.h" +#include "bus/samcoupe/expansion/expansion.h" +#include "bus/samcoupe/mouse/mouseport.h" +#include "formats/tzx_cas.h" +#include "emupal.h" #include "screen.h" #include "softlist.h" #include "speaker.h" -#include "formats/tzx_cas.h" -#include "formats/coupedsk.h" -/*************************************************************************** - CONSTANTS -***************************************************************************/ +//************************************************************************** +// CONSTANTS +//************************************************************************** + +#define SAM_ENABLE_JOYSTICK (0) + +#define SAM_BLOCK 8 + +#define SAM_TOTAL_WIDTH SAM_BLOCK*96 +#define SAM_TOTAL_HEIGHT 312 +#define SAM_SCREEN_WIDTH SAM_BLOCK*64 +#define SAM_SCREEN_HEIGHT 192 +#define SAM_BORDER_LEFT SAM_BLOCK*4 +#define SAM_BORDER_RIGHT SAM_BLOCK*4 +#define SAM_BORDER_TOP 37 +#define SAM_BORDER_BOTTOM 46 + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class samcoupe_state : public driver_device +{ +public: + samcoupe_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_mem(*this, "mem"), + m_io(*this, "io"), + m_ram(*this, RAM_TAG), + m_bios(*this, "maincpu"), + m_screen(*this, "screen"), + m_speaker(*this, "speaker"), + m_cassette(*this, "cassette"), + m_mouse(*this, "mouseport"), + m_keyboard(*this, "kbd_%u", 0U), +#if SAM_ENABLE_JOYSTICK + m_joystick(*this, "joy_%u", 0U) +#endif + m_drive(*this, "drive%u", 1), + m_expansion(*this, "exp") + { + } -#define SAMCOUPE_XTAL_X1 24_MHz_XTAL -#define SAMCOUPE_XTAL_X2 4.433619_MHz_XTAL + void samcoupe(machine_config &config); + +protected: + virtual void machine_start() override; + virtual void machine_reset() override; + virtual void video_start() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + required_device<cpu_device> m_maincpu; + required_device<address_map_bank_device> m_mem; + required_device<address_map_bank_device> m_io; + required_device<ram_device> m_ram; + required_memory_region m_bios; + required_device<screen_device> m_screen; + required_device<speaker_sound_device> m_speaker; + required_device<cassette_image_device> m_cassette; + required_device<samcoupe_mouse_port_device> m_mouse; + required_ioport_array<9> m_keyboard; +#if SAM_ENABLE_JOYSTICK + required_ioport_array<2> m_joystick; +#endif + required_device_array<samcoupe_drive_port_device, 2> m_drive; + required_device<samcoupe_expansion_device> m_expansion; + + enum + { + TIMER_IRQ_OFF, + TIMER_VIDEO_UPDATE + }; + enum + { + INT_LINE = 0x01, + INT_MOUSE = 0x02, + INT_MIDIIN = 0x04, + INT_FRAME = 0x08, + INT_MIDIOUT = 0x10 + }; -/*************************************************************************** - TIMERS -***************************************************************************/ + // video + uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + + bitmap_ind16 m_bitmap; + + emu_timer *m_video_update_timer; + + uint8_t m_lmpr, m_hmpr, m_vmpr; /* memory pages */ + uint8_t m_border; /* border */ + uint8_t m_clut[16]; /* color lookup table, 16 entries */ + uint8_t m_line_int; /* line interrupt */ + uint8_t m_status; /* status register */ + + /* attribute */ + uint8_t m_attribute; + + uint8_t *m_videoram; + + uint8_t pen_r(offs_t offset); + void clut_w(offs_t offset, uint8_t data); + uint8_t status_r(offs_t offset); + void line_int_w(uint8_t data); + uint8_t lmpr_r(); + void lmpr_w(uint8_t data); + uint8_t hmpr_r(); + void hmpr_w(uint8_t data); + uint8_t vmpr_r(); + void vmpr_w(uint8_t data); + uint8_t midi_r(); + void midi_w(uint8_t data); + uint8_t keyboard_r(offs_t offset); + void border_w(uint8_t data); + uint8_t attributes_r(); + + void samcoupe_palette(palette_device &palette) const; + INTERRUPT_GEN_MEMBER(samcoupe_frame_interrupt); + TIMER_CALLBACK_MEMBER(irq_off); + TIMER_CALLBACK_MEMBER(sam_video_update_callback); + + void draw_mode4_line(int y, int hpos); + void draw_mode3_line(int y, int hpos); + void draw_mode12_block(bitmap_ind16 &bitmap, int vpos, int hpos, uint8_t mask); + void draw_mode2_line(int y, int hpos); + void draw_mode1_line(int y, int hpos); + + void samcoupe_irq(uint8_t src); + + // memory + uint8_t mem_r(offs_t offset); + void mem_w(offs_t offset, uint8_t data); + uint8_t io_r(offs_t offset); + void io_w(offs_t offset, uint8_t data); + + uint8_t mem_page_r(int page, offs_t offset); + void mem_page_w(int page, offs_t offset, uint8_t data); + + uint8_t mem_block_a_r(offs_t offset); + void mem_block_a_w(offs_t offset, uint8_t data); + uint8_t mem_block_b_r(offs_t offset); + void mem_block_b_w(offs_t offset, uint8_t data); + uint8_t mem_block_c_r(offs_t offset); + void mem_block_c_w(offs_t offset, uint8_t data); + uint8_t mem_block_d_r(offs_t offset); + void mem_block_d_w(offs_t offset, uint8_t data); + + void mem_map_base(address_map &map); + void mem_map(address_map &map); + void io_map_base(address_map &map); + void io_map(address_map &map); + + int m_pages; // total internal memory pages (16 or 32) +}; + + +//************************************************************************** +// ADDRESS MAPS +//************************************************************************** + +void samcoupe_state::mem_map_base(address_map &map) +{ + map(0x0000, 0xffff).rw(FUNC(samcoupe_state::mem_r), FUNC(samcoupe_state::mem_w)); +} + +void samcoupe_state::mem_map(address_map &map) +{ + map(0x0000, 0x3fff).ram().rw(FUNC(samcoupe_state::mem_block_a_r), FUNC(samcoupe_state::mem_block_a_w)); + map(0x4000, 0x7fff).ram().rw(FUNC(samcoupe_state::mem_block_b_r), FUNC(samcoupe_state::mem_block_b_w)); + map(0x8000, 0xbfff).ram().rw(FUNC(samcoupe_state::mem_block_c_r), FUNC(samcoupe_state::mem_block_c_w)); + map(0xc000, 0xffff).ram().rw(FUNC(samcoupe_state::mem_block_d_r), FUNC(samcoupe_state::mem_block_d_w)); +} + +void samcoupe_state::io_map_base(address_map &map) +{ + map(0x0000, 0xffff).rw(FUNC(samcoupe_state::io_r), FUNC(samcoupe_state::io_w)); +} + +void samcoupe_state::io_map(address_map &map) +{ + map.unmap_value_high(); + map(0x00e0, 0x00e7).mirror(0xff00).rw(m_drive[0], FUNC(samcoupe_drive_port_device::read), FUNC(samcoupe_drive_port_device::write)); + map(0x00e8, 0x00ef).mirror(0xff00).noprw(); // "print" - handled by expansion devices + map(0x00f0, 0x00f7).mirror(0xff00).rw(m_drive[1], FUNC(samcoupe_drive_port_device::read), FUNC(samcoupe_drive_port_device::write)); + map(0x00f8, 0x00f8).select(0xff00).rw(FUNC(samcoupe_state::pen_r), FUNC(samcoupe_state::clut_w)); + map(0x00f9, 0x00f9).select(0xff00).rw(FUNC(samcoupe_state::status_r), FUNC(samcoupe_state::line_int_w)); + map(0x00fa, 0x00fa).select(0xff00).rw(FUNC(samcoupe_state::lmpr_r), FUNC(samcoupe_state::lmpr_w)); + map(0x00fb, 0x00fb).select(0xff00).rw(FUNC(samcoupe_state::hmpr_r), FUNC(samcoupe_state::hmpr_w)); + map(0x00fc, 0x00fc).select(0xff00).rw(FUNC(samcoupe_state::vmpr_r), FUNC(samcoupe_state::vmpr_w)); + map(0x00fd, 0x00fd).select(0xff00).rw(FUNC(samcoupe_state::midi_r), FUNC(samcoupe_state::midi_w)); + map(0x00fe, 0x00fe).select(0xff00).rw(FUNC(samcoupe_state::keyboard_r), FUNC(samcoupe_state::border_w)); + map(0x00ff, 0x00ff).select(0xff00).r(FUNC(samcoupe_state::attributes_r)); + map(0x00ff, 0x00ff).mirror(0xfe00).w("saa1099", FUNC(saa1099_device::data_w)); + map(0x01ff, 0x01ff).mirror(0xfe00).w("saa1099", FUNC(saa1099_device::control_w)); +} + + +//************************************************************************** +// INPUT PORT DEFINITIONS +//************************************************************************** + +static INPUT_PORTS_START( samcoupe ) + PORT_START("kbd_0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR('?') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(F3)) + + PORT_START("kbd_1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR('{') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR('}') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(F6)) + + PORT_START("kbd_2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR('<') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR('>') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR('[') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(']') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(F8)) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(F9)) + + PORT_START("kbd_3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + + PORT_START("kbd_4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('~') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('/') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('*') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + + PORT_START("kbd_5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('=') PORT_CHAR('_') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('"') PORT_CHAR(0xA9) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(F10)) + + PORT_START("kbd_6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0xA3) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR('^') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EDIT") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + + PORT_START("kbd_7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SYMBOL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("INV") PORT_CODE(KEYCODE_SLASH) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR('\\') + + PORT_START("kbd_8") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + +#if SAM_ENABLE_JOYSTICK + /* Sam Coupe has single 9-pin ATARI-compatible connector but supports 2 joysticks via a splitter, + this works by using a different ground for each stick (pin 8: stick 1 gnd, pin 9: stick 2 gnd.) + Joysticks overlay number keys 6-0 for the stick 1 and 1-5 for stick 2 (same scheme as ZX Spectrum) */ + + PORT_START("joy_0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(1) + + PORT_START("joy_1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(2) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(2) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(2) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(2) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) +#endif +INPUT_PORTS_END + + +//************************************************************************** +// VIDEO EMULATION +//************************************************************************** + +void samcoupe_state::samcoupe_palette(palette_device &palette) const +{ + for (int i = 0; i < 128; i++) + { + uint8_t const b = bitswap<3>(i, 4, 0, 3); // blue: bits 403 + uint8_t const r = bitswap<3>(i, 5, 1, 3); // red: bits 513 + uint8_t const g = bitswap<3>(i, 6, 2, 3); // green: bits 623 + + palette.set_pen_color(i, pal3bit(r), pal3bit(g), pal3bit(b)); + } +} + +void samcoupe_state::video_start() +{ + m_screen->register_screen_bitmap(m_bitmap); +} + +uint32_t samcoupe_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect); + return 0; +} + +void samcoupe_state::draw_mode4_line(int y, int hpos) +{ + /* get start address */ + uint8_t *vram = m_videoram + ((y - SAM_BORDER_TOP) * 128) + ((hpos - SAM_BORDER_LEFT) / 4); + + for (int i = 0; i < (SAM_BLOCK*2)/4; i++) + { + /* draw 2 pixels (doublewidth) */ + m_bitmap.pix16(y, hpos + i * 4 + 0) = m_clut[(*vram >> 4) & 0x0f]; + m_bitmap.pix16(y, hpos + i * 4 + 1) = m_clut[(*vram >> 4) & 0x0f]; + m_bitmap.pix16(y, hpos + i * 4 + 2) = m_clut[(*vram >> 0) & 0x0f]; + m_bitmap.pix16(y, hpos + i * 4 + 3) = m_clut[(*vram >> 0) & 0x0f]; + + /* move to next address */ + vram++; + + /* attribute register contains the third displayed byte */ + if (i == 2) + m_attribute = *vram; + } +} + +void samcoupe_state::draw_mode3_line(int y, int hpos) +{ + /* get start address */ + uint8_t *vram = m_videoram + ((y - SAM_BORDER_TOP) * 128) + ((hpos - SAM_BORDER_LEFT) / 4); + + for (int i = 0; i < (SAM_BLOCK*2)/4; i++) + { + /* draw 4 pixels */ + m_bitmap.pix16(y, hpos + i * 4 + 0) = m_clut[(*vram >> 6) & 0x03]; + m_bitmap.pix16(y, hpos + i * 4 + 1) = m_clut[(*vram >> 4) & 0x03]; + m_bitmap.pix16(y, hpos + i * 4 + 2) = m_clut[(*vram >> 2) & 0x03]; + m_bitmap.pix16(y, hpos + i * 4 + 3) = m_clut[(*vram >> 0) & 0x03]; + + /* move to next address */ + vram++; + + /* attribute register contains the third displayed byte */ + if (i == 2) + m_attribute = *vram; + } +} + +void samcoupe_state::draw_mode12_block(bitmap_ind16 &bitmap, int vpos, int hpos, uint8_t mask) +{ + /* extract colors from attribute */ + uint8_t ink = m_clut[(m_attribute >> 3) & 0x0f]; + uint8_t pap = m_clut[((m_attribute >> 3) & 0x08) | (m_attribute & 0x07)]; + + /* draw block of 8 pixels (doubled to 16) */ + for (int i = 0; i < SAM_BLOCK; i++) + { + bitmap.pix16(vpos, hpos + i*2 + 0) = BIT(mask, 7 - i) ? ink : pap; + bitmap.pix16(vpos, hpos + i*2 + 1) = BIT(mask, 7 - i) ? ink : pap; + } +} + +void samcoupe_state::draw_mode2_line(int y, int hpos) +{ + int cell = (y - SAM_BORDER_TOP) * 32 + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2; + + uint8_t mask = m_videoram[cell]; + m_attribute = m_videoram[cell + 0x2000]; + + draw_mode12_block(m_bitmap, y, hpos, mask); +} + +void samcoupe_state::draw_mode1_line(int y, int hpos) +{ + uint8_t mask = m_videoram[((((y - SAM_BORDER_TOP) & 0xc0) << 5) | (((y - SAM_BORDER_TOP) & 0x07) << 8) | (((y - SAM_BORDER_TOP) & 0x38) << 2)) + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2]; + m_attribute = m_videoram[32*192 + (((y - SAM_BORDER_TOP) & 0xf8) << 2) + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2]; + + draw_mode12_block(m_bitmap, y, hpos, mask); +} + +TIMER_CALLBACK_MEMBER(samcoupe_state::sam_video_update_callback) +{ + int vpos = m_screen->vpos(); + int hpos = m_screen->hpos(); + + int next_vpos = vpos; + int next_hpos = hpos + SAM_BLOCK*2; + + /* next scanline? */ + if (next_hpos >= SAM_BORDER_LEFT + SAM_SCREEN_WIDTH + SAM_BORDER_RIGHT) + { + next_vpos = (vpos + 1) % (SAM_BORDER_TOP + SAM_SCREEN_HEIGHT + SAM_BORDER_BOTTOM); + next_hpos = 0; + } + + /* display disabled? (only in mode 3 or 4) */ + if (BIT(m_vmpr, 6) && BIT(m_border, 7)) + { + m_bitmap.plot_box(hpos, vpos, SAM_BLOCK*2, 1, 0); + } + else + { + /* border area? */ + if (vpos < SAM_BORDER_TOP || vpos >= SAM_BORDER_TOP + SAM_SCREEN_HEIGHT || hpos < SAM_BORDER_LEFT || hpos >= SAM_BORDER_LEFT + SAM_SCREEN_WIDTH) + { + m_attribute = 0xff; + m_bitmap.plot_box(hpos, vpos, SAM_BLOCK*2, 1, m_clut[(m_border & 0x20) >> 2 | (m_border & 0x07)]); + } + else + { + /* main screen area */ + switch ((m_vmpr & 0x60) >> 5) + { + case 0: draw_mode1_line(vpos, hpos); break; + case 1: draw_mode2_line(vpos, hpos); break; + case 2: draw_mode3_line(vpos, hpos); break; + case 3: draw_mode4_line(vpos, hpos); break; + } + } + } + + /* do we need to trigger the scanline interrupt (interrupt happens at the start of the right border before the specified line)? */ + if (m_line_int < SAM_SCREEN_HEIGHT && hpos == SAM_BORDER_LEFT + SAM_SCREEN_WIDTH && vpos == (m_line_int + SAM_BORDER_TOP - 1)) + samcoupe_irq(INT_LINE); + + /* schedule next update */ + m_video_update_timer->adjust(m_screen->time_until_pos(next_vpos, next_hpos)); +} + + +//************************************************************************** +// MACHINE EMULATION +//************************************************************************** void samcoupe_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { @@ -58,9 +515,6 @@ void samcoupe_state::device_timer(emu_timer &timer, device_timer_id id, int para case TIMER_IRQ_OFF: irq_off(ptr, param); break; - case TIMER_MOUSE_RESET: - samcoupe_mouse_reset(ptr, param); - break; case TIMER_VIDEO_UPDATE: sam_video_update_callback(ptr, param); break; @@ -69,47 +523,69 @@ void samcoupe_state::device_timer(emu_timer &timer, device_timer_id id, int para } } -/*************************************************************************** - I/O PORTS -***************************************************************************/ +TIMER_CALLBACK_MEMBER(samcoupe_state::irq_off) +{ + /* adjust STATUS register */ + m_status |= param; -uint8_t samcoupe_state::samcoupe_disk_r(offs_t offset) + /* clear interrupt */ + if ((m_status & 0x1f) == 0x1f) + m_maincpu->set_input_line(0, CLEAR_LINE); +} + +void samcoupe_state::samcoupe_irq(uint8_t src) { - /* drive and side is encoded into bit 5 and 3 */ - floppy_connector *con = (BIT(offset, 4) ? m_wd1772_1 : m_wd1772_0); - floppy_image_device *floppy = con ? con->get_device() : nullptr; + /* assert irq and a timer to set it off again */ + m_maincpu->set_input_line(0, ASSERT_LINE); + timer_set(attotime::from_usec(20), TIMER_IRQ_OFF, src); - if(floppy) - floppy->ss_w(BIT(offset, 2)); - m_fdc->set_floppy(floppy); + /* adjust STATUS register */ + m_status &= ~src; +} - /* bit 1 and 2 select the controller register */ - return m_fdc->read(offset & 0x03); +INTERRUPT_GEN_MEMBER(samcoupe_state::samcoupe_frame_interrupt) +{ + /* signal frame interrupt */ + samcoupe_irq(INT_FRAME); } -void samcoupe_state::samcoupe_disk_w(offs_t offset, uint8_t data) +void samcoupe_state::machine_start() { - /* drive and side is encoded into bit 5 and 3 */ - floppy_connector *con = (BIT(offset, 4) ? m_wd1772_1 : m_wd1772_0); - floppy_image_device *floppy = con ? con->get_device() : nullptr; + // make sure the ram device is already running + if (!m_ram->started()) + throw device_missing_dependencies(); - if(floppy) - floppy->ss_w(BIT(offset, 2)); - m_fdc->set_floppy(floppy); + m_pages = m_ram->size() / 0x4000; // 16 or 32 - /* bit 1 and 2 select the controller register */ - return m_fdc->write(offset & 0x03, data); + /* schedule our video updates */ + m_video_update_timer = timer_alloc(TIMER_VIDEO_UPDATE); + m_video_update_timer->adjust(m_screen->time_until_pos(0, 0)); } -uint8_t samcoupe_state::samcoupe_pen_r(offs_t offset) +void samcoupe_state::machine_reset() +{ + m_lmpr = 0x0f; // ROM0 paged in, ROM1 paged out, RAM Banks + m_hmpr = 0x01; + vmpr_w(0x81); + m_line_int = 0xff; // line interrupts disabled + m_status = 0x1f; // no interrupts active +} + + +//************************************************************************** +// ASIC +//************************************************************************** + +uint8_t samcoupe_state::pen_r(offs_t offset) { uint8_t data; if (offset & 0x100) { + // HPEN int vpos = m_screen->vpos(); - /* return the current screen line or 192 for the border area */ + // return the current screen line or 192 for the border area if (vpos < SAM_BORDER_TOP || vpos >= SAM_BORDER_TOP + SAM_SCREEN_HEIGHT) data = 192; else @@ -117,445 +593,325 @@ uint8_t samcoupe_state::samcoupe_pen_r(offs_t offset) } else { - /* horizontal position is encoded into bits 3 to 8 */ - data = m_screen->hpos() & 0xfc; + // LPEN + + // 765432-- screen horizontal position + // ------1- midi status (currently transferring) + // -------0 border clut bit 0 + + data = (m_screen->hpos() & 0xfc) | (0 << 1) | (m_border & 1); } return data; } -void samcoupe_state::samcoupe_clut_w(offs_t offset, uint8_t data) +void samcoupe_state::clut_w(offs_t offset, uint8_t data) { m_clut[(offset >> 8) & 0x0f] = data & 0x7f; } -uint8_t samcoupe_state::samcoupe_status_r(offs_t offset) +uint8_t samcoupe_state::status_r(offs_t offset) { + // 765----- keyboard matrix k8 to k6 + // ---4---- midi out interrupt + // ----3--- frame interrupt + // -----2-- midi in interrupt + // ------1- mouse interrupt + // -------0 line interrupt + uint8_t data = 0xe0; - /* bit 5-7, keyboard input */ - if (!BIT(offset, 8)) data &= m_keyboard_row_fe->read() & 0xe0; - if (!BIT(offset, 9)) data &= m_keyboard_row_fd->read() & 0xe0; - if (!BIT(offset, 10)) data &= m_keyboard_row_fb->read() & 0xe0; - if (!BIT(offset, 11)) data &= m_keyboard_row_f7->read() & 0xe0; - if (!BIT(offset, 12)) data &= m_keyboard_row_ef->read() & 0xe0; - if (!BIT(offset, 13)) data &= m_keyboard_row_df->read() & 0xe0; - if (!BIT(offset, 14)) data &= m_keyboard_row_bf->read() & 0xe0; - if (!BIT(offset, 15)) data &= m_keyboard_row_7f->read() & 0xe0; - - /* bit 0-4, interrupt source */ + for (int i = 0; i < 8; i++) + if (BIT(offset, i + 8) == 0) + data &= m_keyboard[i]->read() & 0xe0; + data |= m_status; return data; } -void samcoupe_state::samcoupe_line_int_w(uint8_t data) +void samcoupe_state::line_int_w(uint8_t data) { m_line_int = data; } -uint8_t samcoupe_state::samcoupe_lmpr_r() +uint8_t samcoupe_state::lmpr_r() { return m_lmpr; } -void samcoupe_state::samcoupe_lmpr_w(uint8_t data) +void samcoupe_state::lmpr_w(uint8_t data) { - address_space &space_program = m_maincpu->space(AS_PROGRAM); - m_lmpr = data; - samcoupe_update_memory(space_program); } -uint8_t samcoupe_state::samcoupe_hmpr_r() +uint8_t samcoupe_state::hmpr_r() { return m_hmpr; } -void samcoupe_state::samcoupe_hmpr_w(uint8_t data) +void samcoupe_state::hmpr_w(uint8_t data) { - address_space &space_program = m_maincpu->space(AS_PROGRAM); - m_hmpr = data; - samcoupe_update_memory(space_program); } -uint8_t samcoupe_state::samcoupe_vmpr_r() +uint8_t samcoupe_state::vmpr_r() { return m_vmpr; } -void samcoupe_state::samcoupe_vmpr_w(uint8_t data) +void samcoupe_state::vmpr_w(uint8_t data) { - address_space &space_program = m_maincpu->space(AS_PROGRAM); - m_vmpr = data; - samcoupe_update_memory(space_program); + + if (BIT(m_vmpr, 6)) /* if bit set in 2 bank screen mode */ + m_videoram = &m_ram->pointer()[(m_vmpr & 0x1e) << 14]; + else + m_videoram = &m_ram->pointer()[(m_vmpr & 0x1f) << 14]; } -uint8_t samcoupe_state::samcoupe_midi_r() +uint8_t samcoupe_state::midi_r() { - logerror("%s: read from midi port\n", machine().describe_context()); + logerror("Read from MIDI port\n"); return 0xff; } -void samcoupe_state::samcoupe_midi_w(uint8_t data) +void samcoupe_state::midi_w(uint8_t data) { - logerror("%s: write to midi port: 0x%02x\n", machine().describe_context(), data); + logerror("Write to MIDI port: 0x%02x\n", data); } -uint8_t samcoupe_state::samcoupe_keyboard_r(offs_t offset) +uint8_t samcoupe_state::keyboard_r(offs_t offset) { + // 7------- status bit external memory + // -6------ cassette input + // --5----- light pen input + // ---43210 keyboard matrix k5 to k1, mouse + uint8_t data = 0x1f; - /* bit 0-4, keyboard input */ - if (!BIT(offset, 8)) data &= m_keyboard_row_fe->read() & 0x1f; - if (!BIT(offset, 9)) data &= m_keyboard_row_fd->read() & 0x1f; - if (!BIT(offset, 10)) data &= m_keyboard_row_fb->read() & 0x1f; - if (!BIT(offset, 11)) data &= m_keyboard_row_f7->read() & 0x1f; - if (!BIT(offset, 12)) data &= m_keyboard_row_ef->read() & 0x1f; - if (!BIT(offset, 13)) data &= m_keyboard_row_df->read() & 0x1f; - if (!BIT(offset, 14)) data &= m_keyboard_row_bf->read() & 0x1f; - if (!BIT(offset, 15)) data &= m_keyboard_row_7f->read() & 0x1f; + for (int i = 0; i < 8; i++) + if (BIT(offset, i + 8) == 0) + data &= m_keyboard[i]->read() & 0x1f; + +#if SAM_ENABLE_JOYSTICK + if (BIT(offset, 12) == 0) data &= m_joystick[0]->read() & 0x1f; + if (BIT(offset, 11) == 0) data &= m_joystick[1]->read() & 0x1f; +#endif if (offset == 0xff00) { - data &= m_keyboard_row_ff->read() & 0x1f; - - /* if no key has been pressed, return the mouse state */ - if (data == 0x1f) - data = samcoupe_mouse_r(); + data &= m_keyboard[8]->read() & 0x1f; + data &= m_mouse->read() & 0x1f; } - /* bit 5, lightpen strobe */ data |= 1 << 5; - - /* bit 6, cassette input */ data |= (m_cassette->input() > 0 ? 1 : 0) << 6; - - /* bit 7, external memory */ data |= 1 << 7; - /* joysticks */ - if (!BIT(offset, 12)) data &= m_joy1->read() | (0xff ^ 0x1f); - if (!BIT(offset, 11)) data &= m_joy2->read() | (0xff ^ 0x1f); - return data; } -void samcoupe_state::samcoupe_border_w(uint8_t data) +void samcoupe_state::border_w(uint8_t data) { - m_border = data; + // 7------- screen off in mode 3/4 + // -6------ midi through + // --5--210 clut address for border color + // ---4---- beeper + // ----3--- cassette output - /* bit 3, cassette output */ - m_cassette->output( BIT(data, 3) ? -1.0 : +1.0); + m_border = data; - /* bit 4, beep */ + m_cassette->output(BIT(data, 3) ? -1.0 : +1.0); m_speaker->level_w(BIT(data, 4)); } -uint8_t samcoupe_state::samcoupe_attributes_r() +uint8_t samcoupe_state::attributes_r() { return m_attribute; } -WRITE_LINE_MEMBER(samcoupe_state::write_lpt1_busy) -{ - m_lpt1_busy = state; -} -uint8_t samcoupe_state::samcoupe_lpt1_busy_r() -{ - return m_lpt1_busy; -} +//************************************************************************** +// MEMORY +//************************************************************************** -void samcoupe_state::samcoupe_lpt1_strobe_w(uint8_t data) -{ - m_lpt1->write_strobe(data & 1); -} +//------------------------------------------------- +// mem_r/w - program space accesses +//------------------------------------------------- -DECLARE_WRITE_LINE_MEMBER(samcoupe_state::write_lpt2_busy) +uint8_t samcoupe_state::mem_r(offs_t offset) { - m_lpt2_busy = state; -} + uint8_t data = 0xff; -uint8_t samcoupe_state::samcoupe_lpt2_busy_r() -{ - return m_lpt2_busy; -} + int xmem = BIT(m_hmpr, 7) && BIT(offset, 15) ? 1 : 0; -void samcoupe_state::samcoupe_lpt2_strobe_w(uint8_t data) -{ - m_lpt2->write_strobe(data & 1); -} + m_expansion->xmem_w(xmem); -/*************************************************************************** - ADDRESS MAPS -***************************************************************************/ + data &= m_expansion->mreq_r(offset); -void samcoupe_state::samcoupe_mem(address_map &map) -{ - map(0x0000, 0x3fff).ram().rw(FUNC(samcoupe_state::sam_bank1_r), FUNC(samcoupe_state::sam_bank1_w)); // .bankrw("bank1"); - map(0x4000, 0x7fff).ram().rw(FUNC(samcoupe_state::sam_bank2_r), FUNC(samcoupe_state::sam_bank2_w)); // .bankrw("bank2"); - map(0x8000, 0xbfff).ram().rw(FUNC(samcoupe_state::sam_bank3_r), FUNC(samcoupe_state::sam_bank3_w)); // .bankrw("bank3"); - map(0xc000, 0xffff).ram().rw(FUNC(samcoupe_state::sam_bank4_r), FUNC(samcoupe_state::sam_bank4_w)); // .bankrw("bank4"); -} + if (xmem == 0) + data &= m_mem->read8(offset); -void samcoupe_state::samcoupe_io(address_map &map) -{ - map(0x0080, 0x0081).select(0xff00).w(FUNC(samcoupe_state::samcoupe_ext_mem_w)); - map(0x00e0, 0x00e7).select(0xff10).rw(FUNC(samcoupe_state::samcoupe_disk_r), FUNC(samcoupe_state::samcoupe_disk_w)); - map(0x00e8, 0x00e8).select(0xff00).w("lpt1_data_out", FUNC(output_latch_device::write)); - map(0x00e9, 0x00e9).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lpt1_busy_r), FUNC(samcoupe_state::samcoupe_lpt1_strobe_w)); - map(0x00ea, 0x00ea).select(0xff00).w("lpt2_data_out", FUNC(output_latch_device::write)); - map(0x00eb, 0x00eb).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lpt2_busy_r), FUNC(samcoupe_state::samcoupe_lpt2_strobe_w)); - map(0x00f8, 0x00f8).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_pen_r), FUNC(samcoupe_state::samcoupe_clut_w)); - map(0x00f9, 0x00f9).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_status_r), FUNC(samcoupe_state::samcoupe_line_int_w)); - map(0x00fa, 0x00fa).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_lmpr_r), FUNC(samcoupe_state::samcoupe_lmpr_w)); - map(0x00fb, 0x00fb).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_hmpr_r), FUNC(samcoupe_state::samcoupe_hmpr_w)); - map(0x00fc, 0x00fc).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_vmpr_r), FUNC(samcoupe_state::samcoupe_vmpr_w)); - map(0x00fd, 0x00fd).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_midi_r), FUNC(samcoupe_state::samcoupe_midi_w)); - map(0x00fe, 0x00fe).select(0xff00).rw(FUNC(samcoupe_state::samcoupe_keyboard_r), FUNC(samcoupe_state::samcoupe_border_w)); - map(0x00ff, 0x00ff).select(0xff00).r(FUNC(samcoupe_state::samcoupe_attributes_r)); - map(0x00ff, 0x00ff).select(0xfe00).w("saa1099", FUNC(saa1099_device::data_w)); - map(0x01ff, 0x01ff).select(0xfe00).w("saa1099", FUNC(saa1099_device::control_w)); + return data; } - -/*************************************************************************** - INTERRUPTS -***************************************************************************/ - -TIMER_CALLBACK_MEMBER(samcoupe_state::irq_off) +void samcoupe_state::mem_w(offs_t offset, uint8_t data) { - /* adjust STATUS register */ - m_status |= param; + int xmem = BIT(m_hmpr, 7) && BIT(offset, 15) ? 1 : 0; - /* clear interrupt */ - if ((m_status & 0x1f) == 0x1f) - m_maincpu->set_input_line(0, CLEAR_LINE); + m_expansion->xmem_w(xmem); -} - -void samcoupe_state::samcoupe_irq(uint8_t src) -{ - /* assert irq and a timer to set it off again */ - m_maincpu->set_input_line(0, ASSERT_LINE); - timer_set(attotime::from_usec(20), TIMER_IRQ_OFF, src); + m_expansion->mreq_w(offset, data); - /* adjust STATUS register */ - m_status &= ~src; + if (xmem == 0) + m_mem->write8(offset, data); } -INTERRUPT_GEN_MEMBER(samcoupe_state::samcoupe_frame_interrupt) -{ - /* signal frame interrupt */ - samcoupe_irq(SAM_FRAME_INT); -} - - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -static INPUT_PORTS_START( samcoupe ) - PORT_START("keyboard_row_fe") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR('?') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(F1)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(F2)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(F3)) - - PORT_START("keyboard_row_fd") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR('{') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR('}') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(F4)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(F5)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(F6)) - - PORT_START("keyboard_row_fb") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR('<') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR('>') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR('[') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(']') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(F7)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(F8)) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(F9)) - - PORT_START("keyboard_row_f7") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR(UCHAR_MAMEKEY(ESC)) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) - - PORT_START("keyboard_row_ef") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('~') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('/') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('*') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) +//------------------------------------------------- +// io_r/w - i/o space accesses +//------------------------------------------------- - PORT_START("keyboard_row_df") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('=') PORT_CHAR('_') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('"') PORT_CHAR(0xA9) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(F10)) +uint8_t samcoupe_state::io_r(offs_t offset) +{ + uint8_t data = 0xff; - PORT_START("keyboard_row_bf") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0xA3) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR('^') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EDIT") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + m_expansion->print_w((offset & 0xf8) == 0xe8); // 0xe8 to 0xef - PORT_START("keyboard_row_7f") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SYMBOL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("INV") PORT_CODE(KEYCODE_SLASH) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR('\\') + data &= m_expansion->iorq_r(offset); + data &= m_io->read8(offset); - PORT_START("keyboard_row_ff") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + return data; +} - PORT_START("mouse_buttons") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_CODE(MOUSECODE_BUTTON1) PORT_NAME("Mouse Button 1") - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_CODE(MOUSECODE_BUTTON3) PORT_NAME("Mouse Button 3") - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_CODE(MOUSECODE_BUTTON2) PORT_NAME("Mouse Button 2") - PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED) +void samcoupe_state::io_w(offs_t offset, uint8_t data) +{ + m_expansion->print_w((offset & 0xf8) == 0xe8); - PORT_START("mouse_x") - PORT_BIT(0xfff, 0x000, IPT_MOUSE_X) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) PORT_REVERSE + m_expansion->iorq_w(offset, data); + m_io->write8(offset, data); +} - PORT_START("mouse_y") - PORT_BIT(0xfff, 0x000, IPT_MOUSE_Y) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) +//------------------------------------------------- +// mem_page_r/w - read/write memory pages +//------------------------------------------------- - PORT_START("config") - PORT_CONFNAME(0x01, 0x00, "Real Time Clock") - PORT_CONFSETTING( 0x00, DEF_STR(None)) - PORT_CONFSETTING( 0x01, "SAMBUS") +uint8_t samcoupe_state::mem_page_r(int page, offs_t offset) +{ + if (page < m_pages) + return m_ram->pointer()[(page << 14) | offset]; + else + return 0xff; +} - /* Sam Coupe has single 9-pin ATARI-compatible connector but supports 2 joysticks via a splitter, - this works by using a different ground for each stick (pin 8: stick 1 gnd, pin 9: stick 2 gnd.) - Joysticks overlay number keys 6-0 for the stick 1 and 1-5 for stick 2 (same scheme as ZX Spectrum) */ +void samcoupe_state::mem_page_w(int page, offs_t offset, uint8_t data) +{ + if (page < m_pages) + m_ram->pointer()[(page << 14) | offset] = data; +} - PORT_START("joy_1") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(1) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(1) +//------------------------------------------------- +// mem_block_a/b/c/d_r/w - read/write memory blocks +//------------------------------------------------- - PORT_START("joy_2") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(2) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) -INPUT_PORTS_END +uint8_t samcoupe_state::mem_block_a_r(offs_t offset) +{ + int page = m_lmpr & 0x1f; + // ram enabled? + if (BIT(m_lmpr, 5)) + return mem_page_r(page, offset); + else + return m_bios->base()[offset]; +} -/*************************************************************************** - PALETTE -***************************************************************************/ +void samcoupe_state::mem_block_a_w(offs_t offset, uint8_t data) +{ + int page = m_lmpr & 0x1f; -/* - Decode colours for the palette as follows: + // not write protected? + if (BIT(m_lmpr, 7) == 0) + mem_page_w(page, offset, data); +} - bit 7 6 5 4 3 2 1 0 - nothing G+4 R+4 B+4 ALL+1 G+2 R+2 B+2 +uint8_t samcoupe_state::mem_block_b_r(offs_t offset) +{ + int page = ((m_lmpr & 0x1f) + 1) & 0x1f; + return mem_page_r(page, offset); +} -*/ -void samcoupe_state::samcoupe_palette(palette_device &palette) const +void samcoupe_state::mem_block_b_w(offs_t offset, uint8_t data) { - for (int i = 0; i < 128; i++) - { - uint8_t const b = bitswap<3>(i, 4, 0, 3); - uint8_t const r = bitswap<3>(i, 5, 1, 3); - uint8_t const g = bitswap<3>(i, 6, 2, 3); + int page = ((m_lmpr & 0x1f) + 1) & 0x1f; + mem_page_w(page, offset, data); +} - palette.set_pen_color(i, pal3bit(r), pal3bit(g), pal3bit(b)); - } +uint8_t samcoupe_state::mem_block_c_r(offs_t offset) +{ + int page = m_hmpr & 0x1f; + return mem_page_r(page, offset); } +void samcoupe_state::mem_block_c_w(offs_t offset, uint8_t data) +{ + int page = m_hmpr & 0x1f; + mem_page_w(page, offset, data); +} -/*************************************************************************** - MACHINE DRIVERS -***************************************************************************/ +uint8_t samcoupe_state::mem_block_d_r(offs_t offset) +{ + int page = ((m_hmpr & 0x1f) + 1) & 0x1f; -FLOPPY_FORMATS_MEMBER( samcoupe_state::floppy_formats ) - FLOPPY_MGT_FORMAT -FLOPPY_FORMATS_END + // ram enabled? + if (BIT(m_lmpr, 6) == 0) + return mem_page_r(page, offset); + else + return m_bios->base()[0x4000 + offset]; +} -static void samcoupe_floppies(device_slot_interface &device) +void samcoupe_state::mem_block_d_w(offs_t offset, uint8_t data) { - device.option_add("35dd", FLOPPY_35_DD); + int page = ((m_hmpr & 0x1f) + 1) & 0x1f; + mem_page_w(page, offset, data); } + +//************************************************************************** +// MACHINE DEFINTIONS +//************************************************************************** + void samcoupe_state::samcoupe(machine_config &config) { - /* basic machine hardware */ - Z80(config, m_maincpu, SAMCOUPE_XTAL_X1 / 4); /* 6 MHz */ - m_maincpu->set_addrmap(AS_PROGRAM, &samcoupe_state::samcoupe_mem); - m_maincpu->set_addrmap(AS_IO, &samcoupe_state::samcoupe_io); + Z80(config, m_maincpu, 24_MHz_XTAL / 4); // 6 MHz + m_maincpu->set_addrmap(AS_PROGRAM, &samcoupe_state::mem_map_base); + m_maincpu->set_addrmap(AS_IO, &samcoupe_state::io_map_base); m_maincpu->set_vblank_int("screen", FUNC(samcoupe_state::samcoupe_frame_interrupt)); - /* video hardware */ + ADDRESS_MAP_BANK(config, m_mem); + m_mem->set_addrmap(AS_PROGRAM, &samcoupe_state::mem_map); + m_mem->set_data_width(8); + m_mem->set_addr_width(16); + + ADDRESS_MAP_BANK(config, m_io); + m_io->set_addrmap(AS_PROGRAM, &samcoupe_state::io_map); + m_io->set_data_width(8); + m_io->set_addr_width(16); + + RAM(config, RAM_TAG).set_default_size("512K").set_extra_options("256K"); + + // video hardware SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_raw(SAMCOUPE_XTAL_X1/2, SAM_TOTAL_WIDTH, 0, SAM_BORDER_LEFT + SAM_SCREEN_WIDTH + SAM_BORDER_RIGHT, - SAM_TOTAL_HEIGHT, 0, SAM_BORDER_TOP + SAM_SCREEN_HEIGHT + SAM_BORDER_BOTTOM); + m_screen->set_raw(24_MHz_XTAL / 2, SAM_TOTAL_WIDTH, 0, SAM_BORDER_LEFT + SAM_SCREEN_WIDTH + SAM_BORDER_RIGHT, + SAM_TOTAL_HEIGHT, 0, SAM_BORDER_TOP + SAM_SCREEN_HEIGHT + SAM_BORDER_BOTTOM); m_screen->set_screen_update(FUNC(samcoupe_state::screen_update)); m_screen->set_palette("palette"); PALETTE(config, "palette", FUNC(samcoupe_state::samcoupe_palette), 128); - /* devices */ - CENTRONICS(config, m_lpt1, centronics_devices, "printer"); - m_lpt1->busy_handler().set(FUNC(samcoupe_state::write_lpt1_busy)); - - output_latch_device &lpt1_data_out(OUTPUT_LATCH(config, "lpt1_data_out")); - m_lpt1->set_output_latch(lpt1_data_out); - - CENTRONICS(config, m_lpt2, centronics_devices, "printer"); - m_lpt2->busy_handler().set(FUNC(samcoupe_state::write_lpt2_busy)); - - output_latch_device &lpt2_data_out(OUTPUT_LATCH(config, "lpt2_data_out")); - m_lpt2->set_output_latch(lpt2_data_out); - - MSM6242(config, m_rtc, 32.768_kHz_XTAL); - - /* sound hardware */ + // sound hardware SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50); - SAA1099(config, "saa1099", SAMCOUPE_XTAL_X1/3).add_route(ALL_OUTPUTS, "mono", 0.50); /* 8 MHz */ + SAA1099(config, "saa1099", 24_MHz_XTAL / 3).add_route(ALL_OUTPUTS, "mono", 0.50); // 8 MHz CASSETTE(config, m_cassette); m_cassette->set_formats(tzx_cassette_formats); @@ -564,19 +920,21 @@ void samcoupe_state::samcoupe(machine_config &config) m_cassette->set_interface("samcoupe_cass"); SOFTWARE_LIST(config, "cass_list").set_original("samcoupe_cass"); - WD1772(config, m_fdc, SAMCOUPE_XTAL_X1/3); - FLOPPY_CONNECTOR(config, "wd1772:0", samcoupe_floppies, "35dd", samcoupe_state::floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, "wd1772:1", samcoupe_floppies, "35dd", samcoupe_state::floppy_formats).enable_sound(true); + // expansion ports + SAMCOUPE_MOUSE_PORT(config, m_mouse, samcoupe_mouse_modules); + + SAMCOUPE_DRIVE_PORT(config, m_drive[0], samcoupe_drive_modules, "floppy"); + SAMCOUPE_DRIVE_PORT(config, m_drive[1], samcoupe_drive_modules, "floppy"); + SOFTWARE_LIST(config, "flop_list").set_original("samcoupe_flop"); - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("512K").set_extra_options("256K,1280K,1536K,2304K,2560K,3328K,3584K,4352K,4608K"); + SAMCOUPE_EXPANSION(config, m_expansion, samcoupe_expansion_modules); } -/*************************************************************************** - ROM DEFINITIONS -***************************************************************************/ +//************************************************************************** +// ROM DEFINTIONS +//************************************************************************** /* The bios is actually 32K. This is the combined version of the two old 16K MESS roms. @@ -613,8 +971,11 @@ ROM_START( samcoupe ) ROMX_LOAD( "rom04.z5", 0x0000, 0x8000, CRC(f439e84e) SHA1(8bc457a5c764b0bb0aa7008c57f28c30248fc6a4), ROM_BIOS(12) ) ROM_SYSTEM_BIOS( 13, "01", "v0.1" ) ROMX_LOAD( "rom01.z5", 0x0000, 0x8000, CRC(c04acfdf) SHA1(8976ed005c14905eec1215f0a5c28aa686a7dda2), ROM_BIOS(13) ) + ROM_SYSTEM_BIOS( 14, "atom", "ATOM HDD Interface Auto Boot" ) + ROMX_LOAD( "atom.z5", 0x0000, 0x8000, CRC(dec75f58) SHA1(cd342579f066c0863e4f769c2e6757085e21b0a1), ROM_BIOS(14) ) ROM_END + /*************************************************************************** GAME DRIVERS ***************************************************************************/ diff --git a/src/mame/includes/samcoupe.h b/src/mame/includes/samcoupe.h deleted file mode 100644 index 319a8d1b41a..00000000000 --- a/src/mame/includes/samcoupe.h +++ /dev/null @@ -1,221 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Lee Hammerton, Dirk Best -/***************************************************************************** - * - * includes/coupe.h - * - * SAM Coupe - * - * Driver by Lee Hammerton - * - ****************************************************************************/ - -#ifndef MAME_INCLUDES_SAMCOUPE_H -#define MAME_INCLUDES_SAMCOUPE_H - -#pragma once - -#include "bus/centronics/ctronics.h" -#include "imagedev/cassette.h" -#include "imagedev/floppy.h" -#include "machine/msm6242.h" -#include "machine/ram.h" -#include "machine/wd_fdc.h" -#include "sound/spkrdev.h" -#include "emupal.h" -#include "screen.h" - -/* screen dimensions */ -#define SAM_BLOCK 8 - -#define SAM_TOTAL_WIDTH SAM_BLOCK*96 -#define SAM_TOTAL_HEIGHT 312 -#define SAM_SCREEN_WIDTH SAM_BLOCK*64 -#define SAM_SCREEN_HEIGHT 192 -#define SAM_BORDER_LEFT SAM_BLOCK*4 -#define SAM_BORDER_RIGHT SAM_BLOCK*4 -#define SAM_BORDER_TOP 37 -#define SAM_BORDER_BOTTOM 46 - -/* interrupt sources */ -#define SAM_LINE_INT 0x01 -#define SAM_MOUSE_INT 0x02 -#define SAM_MIDIIN_INT 0x04 -#define SAM_FRAME_INT 0x08 -#define SAM_MIDIOUT_INT 0x10 - - -class samcoupe_state : public driver_device -{ -public: - samcoupe_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_screen(*this, "screen"), - m_speaker(*this, "speaker"), - m_cassette(*this, "cassette"), - m_lpt1(*this, "lpt1"), - m_lpt2(*this, "lpt2"), - m_ram(*this, RAM_TAG), - m_rtc(*this, "sambus_clock"), - m_fdc(*this, "wd1772"), - m_wd1772_0(*this, "wd1772:0"), - m_wd1772_1(*this, "wd1772:1"), - m_region_maincpu(*this, "maincpu"), - m_keyboard_row_fe(*this, "keyboard_row_fe"), - m_keyboard_row_fd(*this, "keyboard_row_fd"), - m_keyboard_row_fb(*this, "keyboard_row_fb"), - m_keyboard_row_f7(*this, "keyboard_row_f7"), - m_keyboard_row_ef(*this, "keyboard_row_ef"), - m_keyboard_row_df(*this, "keyboard_row_df"), - m_keyboard_row_bf(*this, "keyboard_row_bf"), - m_keyboard_row_7f(*this, "keyboard_row_7f"), - m_keyboard_row_ff(*this, "keyboard_row_ff"), - m_mouse_buttons(*this, "mouse_buttons"), - m_io_mouse_x(*this, "mouse_x"), - m_io_mouse_y(*this, "mouse_y"), - m_config(*this, "config"), - m_joy1(*this, "joy_1"), - m_joy2(*this, "joy_2") - { - sam_bank_read_ptr[0] = nullptr; - sam_bank_write_ptr[0] = nullptr; - sam_bank_read_ptr[1] = nullptr; - sam_bank_write_ptr[1] = nullptr; - sam_bank_read_ptr[2] = nullptr; - sam_bank_write_ptr[2] = nullptr; - sam_bank_read_ptr[3] = nullptr; - sam_bank_write_ptr[3] = nullptr; - } - - void samcoupe(machine_config &config); - -protected: - enum - { - TIMER_IRQ_OFF, - TIMER_MOUSE_RESET, - TIMER_VIDEO_UPDATE - }; - - virtual void machine_start() override; - virtual void machine_reset() override; - virtual void video_start() override; - - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - -private: - uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - bitmap_ind16 m_bitmap; - - emu_timer *m_video_update_timer; - - uint8_t m_lmpr, m_hmpr, m_vmpr; /* memory pages */ - uint8_t m_lext, m_hext; /* extended memory page */ - uint8_t m_border; /* border */ - uint8_t m_clut[16]; /* color lookup table, 16 entries */ - uint8_t m_line_int; /* line interrupt */ - uint8_t m_status; /* status register */ - - /* attribute */ - uint8_t m_attribute; - - /* mouse */ - int m_mouse_index; - emu_timer *m_mouse_reset; - uint8_t m_mouse_data[9]; - int m_mouse_x, m_mouse_y; - uint8_t *m_videoram; - void samcoupe_ext_mem_w(offs_t offset, uint8_t data); - uint8_t samcoupe_disk_r(offs_t offset); - void samcoupe_disk_w(offs_t offset, uint8_t data); - uint8_t samcoupe_pen_r(offs_t offset); - void samcoupe_clut_w(offs_t offset, uint8_t data); - uint8_t samcoupe_status_r(offs_t offset); - void samcoupe_line_int_w(uint8_t data); - uint8_t samcoupe_lmpr_r(); - void samcoupe_lmpr_w(uint8_t data); - uint8_t samcoupe_hmpr_r(); - void samcoupe_hmpr_w(uint8_t data); - uint8_t samcoupe_vmpr_r(); - void samcoupe_vmpr_w(uint8_t data); - uint8_t samcoupe_midi_r(); - void samcoupe_midi_w(uint8_t data); - uint8_t samcoupe_keyboard_r(offs_t offset); - void samcoupe_border_w(uint8_t data); - uint8_t samcoupe_attributes_r(); - void samcoupe_palette(palette_device &palette) const; - INTERRUPT_GEN_MEMBER(samcoupe_frame_interrupt); - TIMER_CALLBACK_MEMBER(irq_off); - TIMER_CALLBACK_MEMBER(samcoupe_mouse_reset); - TIMER_CALLBACK_MEMBER(sam_video_update_callback); - uint8_t samcoupe_lpt1_busy_r(); - void samcoupe_lpt1_strobe_w(uint8_t data); - uint8_t samcoupe_lpt2_busy_r(); - void samcoupe_lpt2_strobe_w(uint8_t data); - uint8_t samcoupe_rtc_r(offs_t offset); - void samcoupe_rtc_w(offs_t offset, uint8_t data); - - uint8_t sam_bank1_r(offs_t offset); - void sam_bank1_w(offs_t offset, uint8_t data); - uint8_t sam_bank2_r(offs_t offset); - void sam_bank2_w(offs_t offset, uint8_t data); - uint8_t sam_bank3_r(offs_t offset); - void sam_bank3_w(offs_t offset, uint8_t data); - uint8_t sam_bank4_r(offs_t offset); - void sam_bank4_w(offs_t offset, uint8_t data); - - uint8_t* sam_bank_read_ptr[4]; - uint8_t* sam_bank_write_ptr[4]; - DECLARE_FLOPPY_FORMATS( floppy_formats ); - required_device<cpu_device> m_maincpu; - required_device<screen_device> m_screen; - required_device<speaker_sound_device> m_speaker; - required_device<cassette_image_device> m_cassette; - required_device<centronics_device> m_lpt1; - required_device<centronics_device> m_lpt2; - required_device<ram_device> m_ram; - required_device<msm6242_device> m_rtc; - required_device<wd1772_device> m_fdc; - required_device<floppy_connector> m_wd1772_0; - required_device<floppy_connector> m_wd1772_1; - required_memory_region m_region_maincpu; - required_ioport m_keyboard_row_fe; - required_ioport m_keyboard_row_fd; - required_ioport m_keyboard_row_fb; - required_ioport m_keyboard_row_f7; - required_ioport m_keyboard_row_ef; - required_ioport m_keyboard_row_df; - required_ioport m_keyboard_row_bf; - required_ioport m_keyboard_row_7f; - required_ioport m_keyboard_row_ff; - required_ioport m_mouse_buttons; - required_ioport m_io_mouse_x; - required_ioport m_io_mouse_y; - required_ioport m_config; - required_ioport m_joy1; - required_ioport m_joy2; - - void draw_mode4_line(int y, int hpos); - void draw_mode3_line(int y, int hpos); - void draw_mode12_block(bitmap_ind16 &bitmap, int vpos, int hpos, uint8_t mask); - void draw_mode2_line(int y, int hpos); - void draw_mode1_line(int y, int hpos); - void samcoupe_update_bank(address_space &space, int bank_num, uint8_t *memory, int is_readonly); - void samcoupe_install_ext_mem(address_space &space); - void samcoupe_update_memory(address_space &space); - uint8_t samcoupe_mouse_r(); - void samcoupe_irq(uint8_t src); - - DECLARE_WRITE_LINE_MEMBER(write_lpt1_busy); - DECLARE_WRITE_LINE_MEMBER(write_lpt2_busy); - - int m_lpt1_busy; - int m_lpt2_busy; - - void samcoupe_io(address_map &map); - void samcoupe_mem(address_map &map); -}; - -#endif // MAME_INCLUDES_SAMCOUPE_H diff --git a/src/mame/machine/samcoupe.cpp b/src/mame/machine/samcoupe.cpp deleted file mode 100644 index fee115b6e3d..00000000000 --- a/src/mame/machine/samcoupe.cpp +++ /dev/null @@ -1,334 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Lee Hammerton, Dirk Best -/*************************************************************************** - - Miles Gordon Technology SAM Coupe - -***************************************************************************/ - -#include "emu.h" -#include "includes/samcoupe.h" - -/*************************************************************************** - CONSTANTS -***************************************************************************/ - -#define LMPR_RAM0 0x20 /* If bit set ram is paged into bank 0, else its rom0 */ -#define LMPR_ROM1 0x40 /* If bit set rom1 is paged into bank 3, else its ram */ -#define HMPR_MCNTRL 0x80 /* If set external RAM is enabled */ - - -/*************************************************************************** - MEMORY BANKING -***************************************************************************/ - -uint8_t samcoupe_state::sam_bank1_r(offs_t offset) -{ - if (sam_bank_read_ptr[0]) - return sam_bank_read_ptr[0][offset]; - - return 0xff; -} - -void samcoupe_state::sam_bank1_w(offs_t offset, uint8_t data) -{ - if (sam_bank_write_ptr[0]) - sam_bank_write_ptr[0][offset] = data; -} - - -uint8_t samcoupe_state::sam_bank2_r(offs_t offset) -{ - if (sam_bank_read_ptr[1]) - return sam_bank_read_ptr[1][offset]; - - return 0xff; -} - -void samcoupe_state::sam_bank2_w(offs_t offset, uint8_t data) -{ - if (sam_bank_write_ptr[1]) - sam_bank_write_ptr[1][offset] = data; -} - - -uint8_t samcoupe_state::sam_bank3_r(offs_t offset) -{ - if (sam_bank_read_ptr[2]) - return sam_bank_read_ptr[2][offset]; - - return 0xff; -} - -void samcoupe_state::sam_bank3_w(offs_t offset, uint8_t data) -{ - if (sam_bank_write_ptr[2]) - sam_bank_write_ptr[2][offset] = data; -} - - -uint8_t samcoupe_state::sam_bank4_r(offs_t offset) -{ - if (sam_bank_read_ptr[3]) - return sam_bank_read_ptr[3][offset]; - - return 0xff; -} - -void samcoupe_state::sam_bank4_w(offs_t offset, uint8_t data) -{ - if (sam_bank_write_ptr[3]) - sam_bank_write_ptr[3][offset] = data; -} - -void samcoupe_state::samcoupe_update_bank(address_space &space, int bank_num, uint8_t *memory, int is_readonly) -{ - sam_bank_read_ptr[bank_num-1] = memory; - if (!is_readonly) - sam_bank_write_ptr[bank_num-1] = memory; - else - sam_bank_write_ptr[bank_num-1] = nullptr; - - // installing banks on the fly is too slow (20% speed in Manic Miner gameplay vs 300% speed) -#if 0 - char bank[10]; - sprintf(bank,"bank%d",bank_num); - if (memory) - { - membank(bank)->set_base(memory); - space.install_read_bank (((bank_num-1) * 0x4000), ((bank_num-1) * 0x4000) + 0x3FFF, bank); - if (is_readonly) { - space.unmap_write(((bank_num-1) * 0x4000), ((bank_num-1) * 0x4000) + 0x3FFF); - } else { - space.install_write_bank(((bank_num-1) * 0x4000), ((bank_num-1) * 0x4000) + 0x3FFF, bank); - } - } else { - space.nop_readwrite(((bank_num-1) * 0x4000), ((bank_num-1) * 0x4000) + 0x3FFF); - } -#endif -} - - -void samcoupe_state::samcoupe_install_ext_mem(address_space &space) -{ - uint8_t *mem; - - /* bank 3 */ - if (m_lext >> 6 < m_ram->size() >> 20) - mem = &m_ram->pointer()[(m_ram->size() & 0xfffff) + (m_lext >> 6) * 0x100000 + (m_lext & 0x3f) * 0x4000]; - else - mem = nullptr; - - samcoupe_update_bank(space, 3, mem, false); - - /* bank 4 */ - if (m_hext >> 6 < m_ram->size() >> 20) - mem = &m_ram->pointer()[(m_ram->size() & 0xfffff) + (m_hext >> 6) * 0x100000 + (m_hext & 0x3f) * 0x4000]; - else - mem = nullptr; - - samcoupe_update_bank(space, 4, mem, false); -} - - -void samcoupe_state::samcoupe_update_memory(address_space &space) -{ - const int page_mask = ((m_ram->size() & 0xfffff) / 0x4000) - 1; - uint8_t *rom = m_region_maincpu->base(); - uint8_t *memory; - int is_readonly; - - /* BANK1 */ - if (m_lmpr & LMPR_RAM0) /* Is ram paged in at bank 1 */ - { - if ((m_lmpr & 0x1F) <= page_mask) - memory = &m_ram->pointer()[(m_lmpr & page_mask) * 0x4000]; - else - memory = nullptr; /* Attempt to page in non existent ram region */ - is_readonly = false; - } - else - { - memory = rom; /* Rom0 paged in */ - is_readonly = true; - } - samcoupe_update_bank(space, 1, memory, is_readonly); - - - /* BANK2 */ - if (((m_lmpr + 1) & 0x1f) <= page_mask) - memory = &m_ram->pointer()[((m_lmpr + 1) & page_mask) * 0x4000]; - else - memory = nullptr; /* Attempt to page in non existent ram region */ - samcoupe_update_bank(space, 2, memory, false); - - /* only update bank 3 and 4 when external memory is not enabled */ - if (m_hmpr & HMPR_MCNTRL) - { - samcoupe_install_ext_mem(space); - } - else - { - /* BANK3 */ - if ((m_hmpr & 0x1F) <= page_mask ) - memory = &m_ram->pointer()[(m_hmpr & page_mask)*0x4000]; - else - memory = nullptr; /* Attempt to page in non existent ram region */ - samcoupe_update_bank(space, 3, memory, false); - - - /* BANK4 */ - if (m_lmpr & LMPR_ROM1) /* Is Rom1 paged in at bank 4 */ - { - memory = rom + 0x4000; - is_readonly = true; - } - else - { - if (((m_hmpr + 1) & 0x1f) <= page_mask) - memory = &m_ram->pointer()[((m_hmpr + 1) & page_mask) * 0x4000]; - else - memory = nullptr; /* Attempt to page in non existent ram region */ - is_readonly = false; - } - samcoupe_update_bank(space, 4, memory, false); - } - - /* video memory location */ - if (m_vmpr & 0x40) /* if bit set in 2 bank screen mode */ - m_videoram = &m_ram->pointer()[((m_vmpr & 0x1e) & page_mask) * 0x4000]; - else - m_videoram = &m_ram->pointer()[((m_vmpr & 0x1f) & page_mask) * 0x4000]; -} - - -void samcoupe_state::samcoupe_ext_mem_w(offs_t offset, uint8_t data) -{ - address_space &space_program = m_maincpu->space(AS_PROGRAM); - - if (offset & 1) - m_hext = data; - else - m_lext = data; - - /* external RAM enabled? */ - if (m_hmpr & HMPR_MCNTRL) - { - samcoupe_install_ext_mem(space_program); - } -} - - -/*************************************************************************** - REAL TIME CLOCK -***************************************************************************/ - -uint8_t samcoupe_state::samcoupe_rtc_r(offs_t offset) -{ - return m_rtc->read(offset >> 12); -} - - -void samcoupe_state::samcoupe_rtc_w(offs_t offset, uint8_t data) -{ - m_rtc->write(offset >> 12, data); -} - - -/*************************************************************************** - MOUSE -***************************************************************************/ - -TIMER_CALLBACK_MEMBER(samcoupe_state::samcoupe_mouse_reset) -{ - m_mouse_index = 0; -} - -uint8_t samcoupe_state::samcoupe_mouse_r() -{ - uint8_t result; - - /* on a read, reset the timer */ - m_mouse_reset->adjust(attotime::from_usec(50)); - - /* update when we are about to read the first real values */ - if (m_mouse_index == 2) - { - /* update values */ - int mouse_x = m_io_mouse_x->read(); - int mouse_y = m_io_mouse_y->read(); - - int mouse_dx = m_mouse_x - mouse_x; - int mouse_dy = m_mouse_y - mouse_y; - - m_mouse_x = mouse_x; - m_mouse_y = mouse_y; - - /* button state */ - m_mouse_data[2] = m_mouse_buttons->read(); - - /* y-axis */ - m_mouse_data[3] = (mouse_dy & 0xf00) >> 8; - m_mouse_data[4] = (mouse_dy & 0x0f0) >> 4; - m_mouse_data[5] = (mouse_dy & 0x00f) >> 0; - - /* x-axis */ - m_mouse_data[6] = (mouse_dx & 0xf00) >> 8; - m_mouse_data[7] = (mouse_dx & 0x0f0) >> 4; - m_mouse_data[8] = (mouse_dx & 0x00f) >> 0; - } - - /* get current value */ - result = m_mouse_data[m_mouse_index++]; - - /* reset if we are at the end */ - if (m_mouse_index == sizeof(m_mouse_data)) - m_mouse_index = 1; - - return result; -} - -void samcoupe_state::machine_start() -{ - m_mouse_reset = timer_alloc(TIMER_MOUSE_RESET); - - /* schedule our video updates */ - m_video_update_timer = timer_alloc(TIMER_VIDEO_UPDATE); - m_video_update_timer->adjust(m_screen->time_until_pos(0, 0)); -} - -/*************************************************************************** - RESET -***************************************************************************/ - -void samcoupe_state::machine_reset() -{ - address_space &space = m_maincpu->space(AS_PROGRAM); - address_space &spaceio = m_maincpu->space(AS_IO); - - /* initialize state */ - m_lmpr = 0x0f; /* ROM0 paged in, ROM1 paged out RAM Banks */ - m_hmpr = 0x01; - m_vmpr = 0x81; - m_line_int = 0xff; /* line interrupts disabled */ - m_status = 0x1f; /* no interrupts active */ - - /* initialize mouse */ - m_mouse_index = 0; - m_mouse_data[0] = 0xff; - m_mouse_data[1] = 0xff; - - if (m_config->read() & 0x01) - { - /* install RTC */ - spaceio.install_readwrite_handler(0xef, 0xef, 0, 0, 0xff00, read8sm_delegate(*this, FUNC(samcoupe_state::samcoupe_rtc_r)), write8sm_delegate(*this, FUNC(samcoupe_state::samcoupe_rtc_w))); - } - else - { - /* no RTC support */ - spaceio.unmap_readwrite(0xef, 0xef, 0xff00); - } - - /* initialize memory */ - samcoupe_update_memory(space); -} diff --git a/src/mame/video/samcoupe.cpp b/src/mame/video/samcoupe.cpp deleted file mode 100644 index 780f93ed1f1..00000000000 --- a/src/mame/video/samcoupe.cpp +++ /dev/null @@ -1,171 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Lee Hammerton, Dirk Best -/*************************************************************************** - - Miles Gordon Technology SAM Coupe - -***************************************************************************/ - -#include "emu.h" -#include "includes/samcoupe.h" - - -/*************************************************************************** - MACROS -***************************************************************************/ - -/* border color from border register */ -#define BORDER_COLOR(x) ((x & 0x20) >> 2 | (x & 0x07)) - -/* foreground and background color from attribute byte in mode 1 and 2 */ -#define ATTR_BG(x) ((x >> 3) & 0x0f) -#define ATTR_FG(x) (((x >> 3) & 0x08) | (x & 0x07)) - - -/*************************************************************************** - IMPLEMENTATION -***************************************************************************/ - -void samcoupe_state::video_start() -{ - m_screen->register_screen_bitmap(m_bitmap); -} - -uint32_t samcoupe_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect); - return 0; -} - -void samcoupe_state::draw_mode4_line(int y, int hpos) -{ - uint8_t *videoram = m_videoram; - - /* get start address */ - uint8_t *vram = videoram + ((y - SAM_BORDER_TOP) * 128) + ((hpos - SAM_BORDER_LEFT) / 4); - - for (int i = 0; i < (SAM_BLOCK*2)/4; i++) - { - /* draw 2 pixels (doublewidth) */ - m_bitmap.pix16(y, hpos + i * 4 + 0) = m_clut[(*vram >> 4) & 0x0f]; - m_bitmap.pix16(y, hpos + i * 4 + 1) = m_clut[(*vram >> 4) & 0x0f]; - m_bitmap.pix16(y, hpos + i * 4 + 2) = m_clut[(*vram >> 0) & 0x0f]; - m_bitmap.pix16(y, hpos + i * 4 + 3) = m_clut[(*vram >> 0) & 0x0f]; - - /* move to next address */ - vram++; - - /* attribute register contains the third displayed byte */ - if (i == 2) - m_attribute = *vram; - } -} - -void samcoupe_state::draw_mode3_line(int y, int hpos) -{ - uint8_t *videoram = m_videoram; - - /* get start address */ - uint8_t *vram = videoram + ((y - SAM_BORDER_TOP) * 128) + ((hpos - SAM_BORDER_LEFT) / 4); - - for (int i = 0; i < (SAM_BLOCK*2)/4; i++) - { - /* draw 4 pixels */ - m_bitmap.pix16(y, hpos + i * 4 + 0) = m_clut[(*vram >> 6) & 0x03]; - m_bitmap.pix16(y, hpos + i * 4 + 1) = m_clut[(*vram >> 4) & 0x03]; - m_bitmap.pix16(y, hpos + i * 4 + 2) = m_clut[(*vram >> 2) & 0x03]; - m_bitmap.pix16(y, hpos + i * 4 + 3) = m_clut[(*vram >> 0) & 0x03]; - - /* move to next address */ - vram++; - - /* attribute register contains the third displayed byte */ - if (i == 2) - m_attribute = *vram; - } -} - -void samcoupe_state::draw_mode12_block(bitmap_ind16 &bitmap, int vpos, int hpos, uint8_t mask) -{ - /* extract colors from attribute */ - uint8_t ink = m_clut[ATTR_FG(m_attribute)]; - uint8_t pap = m_clut[ATTR_BG(m_attribute)]; - - /* draw block of 8 pixels (doubled to 16) */ - for (int i = 0; i < SAM_BLOCK; i++) - { - bitmap.pix16(vpos, hpos + i*2 + 0) = BIT(mask, 7 - i) ? ink : pap; - bitmap.pix16(vpos, hpos + i*2 + 1) = BIT(mask, 7 - i) ? ink : pap; - } -} - -void samcoupe_state::draw_mode2_line(int y, int hpos) -{ - uint8_t *videoram = m_videoram; - - int cell = (y - SAM_BORDER_TOP) * 32 + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2; - - uint8_t mask = videoram[cell]; - m_attribute = videoram[cell + 0x2000]; - - draw_mode12_block(m_bitmap, y, hpos, mask); -} - -void samcoupe_state::draw_mode1_line(int y, int hpos) -{ - uint8_t *videoram = m_videoram; - - uint8_t mask = videoram[((((y - SAM_BORDER_TOP) & 0xc0) << 5) | (((y - SAM_BORDER_TOP) & 0x07) << 8) | (((y - SAM_BORDER_TOP) & 0x38) << 2)) + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2]; - m_attribute = videoram[32*192 + (((y - SAM_BORDER_TOP) & 0xf8) << 2) + (hpos - SAM_BORDER_LEFT) / SAM_BLOCK / 2]; - - draw_mode12_block(m_bitmap, y, hpos, mask); -} - -TIMER_CALLBACK_MEMBER(samcoupe_state::sam_video_update_callback) -{ - int vpos = m_screen->vpos(); - int hpos = m_screen->hpos(); - - int next_vpos = vpos; - int next_hpos = hpos + SAM_BLOCK*2; - - /* next scanline? */ - if (next_hpos >= SAM_BORDER_LEFT + SAM_SCREEN_WIDTH + SAM_BORDER_RIGHT) - { - next_vpos = (vpos + 1) % (SAM_BORDER_TOP + SAM_SCREEN_HEIGHT + SAM_BORDER_BOTTOM); - next_hpos = 0; - } - - /* display disabled? (only in mode 3 or 4) */ - if (BIT(m_vmpr, 6) && BIT(m_border, 7)) - { - m_bitmap.plot_box(hpos, vpos, SAM_BLOCK*2, 1, 0); - } - else - { - /* border area? */ - if (vpos < SAM_BORDER_TOP || vpos >= SAM_BORDER_TOP + SAM_SCREEN_HEIGHT || hpos < SAM_BORDER_LEFT || hpos >= SAM_BORDER_LEFT + SAM_SCREEN_WIDTH) - { - m_attribute = 0xff; - m_bitmap.plot_box(hpos, vpos, SAM_BLOCK*2, 1, m_clut[BORDER_COLOR(m_border)]); - } - else - { - /* main screen area */ - switch ((m_vmpr & 0x60) >> 5) - { - case 0: draw_mode1_line(vpos, hpos); break; - case 1: draw_mode2_line(vpos, hpos); break; - case 2: draw_mode3_line(vpos, hpos); break; - case 3: draw_mode4_line(vpos, hpos); break; - } - } - } - - /* do we need to trigger the scanline interrupt (interrupt happens at the start of the right border before the specified line)? */ - if (m_line_int < SAM_SCREEN_HEIGHT && hpos == SAM_BORDER_LEFT + SAM_SCREEN_WIDTH && vpos == (m_line_int + SAM_BORDER_TOP - 1)) - samcoupe_irq(SAM_LINE_INT); - - /* schedule next update */ - m_video_update_timer->adjust(m_screen->time_until_pos(next_vpos, next_hpos)); -} |