From e25255a525b138ae99c64ea20e19c1142ea6b32e Mon Sep 17 00:00:00 2001 From: Curt Coder Date: Mon, 13 May 2019 20:49:29 +0300 Subject: c64: Added skeleton for BusCard II cartridge. [Curt Coder] --- scripts/src/bus.lua | 2 + src/devices/bus/c64/buscard2.cpp | 215 +++++++++++++++++++++++++++++++++++++++ src/devices/bus/c64/buscard2.h | 72 +++++++++++++ src/devices/bus/c64/exp.cpp | 2 + 4 files changed, 291 insertions(+) create mode 100644 src/devices/bus/c64/buscard2.cpp create mode 100644 src/devices/bus/c64/buscard2.h diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua index 5933424f421..feacff29ab2 100644 --- a/scripts/src/bus.lua +++ b/scripts/src/bus.lua @@ -485,6 +485,8 @@ if (BUSES["C64"]~=null) then MAME_DIR .. "src/devices/bus/c64/exp.h", MAME_DIR .. "src/devices/bus/c64/buscard.cpp", MAME_DIR .. "src/devices/bus/c64/buscard.h", + MAME_DIR .. "src/devices/bus/c64/buscard2.cpp", + MAME_DIR .. "src/devices/bus/c64/buscard2.h", MAME_DIR .. "src/devices/bus/c64/c128_comal80.cpp", MAME_DIR .. "src/devices/bus/c64/c128_comal80.h", MAME_DIR .. "src/devices/bus/c64/c128_partner.cpp", diff --git a/src/devices/bus/c64/buscard2.cpp b/src/devices/bus/c64/buscard2.cpp new file mode 100644 index 00000000000..6b14dab78c5 --- /dev/null +++ b/src/devices/bus/c64/buscard2.cpp @@ -0,0 +1,215 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Batteries Included BusCard II cartridge emulation + + SYS 61000 -> Enable BASIC 4.0 + SYS 61003 -> Disable BASIC 4.0 + SYS 61006 -> Enter Machine Language Monitor + +**********************************************************************/ + +#include "emu.h" +#include "buscard2.h" + + + +//************************************************************************** +// MACROS/CONSTANTS +//************************************************************************** + +#define R6532_TAG "riot" +#define MC6821_TAG "pia" +#define CENTRONICS_TAG "centronics" +#define EXPANSION_TAG "exp" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(C64_BUSCARD2, buscard2_t, "c64_buscard2", "C64 BusCard II cartridge") + + +//------------------------------------------------- +// ROM( buscard2 ) +//------------------------------------------------- + +ROM_START( buscard2 ) // dumps coming soon + ROM_REGION( 0x2000, "rom", 0 ) + ROM_LOAD( "2764.bin", 0x0000, 0x2000, NO_DUMP ) + + ROM_REGION( 0x200, "prom", 0 ) + ROM_LOAD( "82s129.1", 0x000, 0x100, NO_DUMP ) + ROM_LOAD( "82s129.2", 0x100, 0x100, NO_DUMP ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const tiny_rom_entry *buscard2_t::device_rom_region() const +{ + return ROM_NAME( buscard2 ); +} + + +//------------------------------------------------- +// INPUT_PORTS( buscard2 ) +//------------------------------------------------- + +static INPUT_PORTS_START( buscard2 ) + PORT_START("S1") + PORT_DIPNAME( 0x03, 0x00, "Device #4" ) PORT_DIPLOCATION("S1:1,2") + PORT_DIPSETTING( 0x00, "Serial" ) + PORT_DIPSETTING( 0x01, "Parallel w/conv." ) + PORT_DIPSETTING( 0x02, "IEEE" ) + PORT_DIPSETTING( 0x03, "Parallel" ) + PORT_DIPNAME( 0x04, 0x04, "Device #5" ) PORT_DIPLOCATION("S1:3") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x04, "Serial" ) + PORT_DIPNAME( 0x08, 0x08, "Device #6" ) PORT_DIPLOCATION("S1:4") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x08, "Serial" ) + PORT_DIPNAME( 0x10, 0x10, "Device #7" ) PORT_DIPLOCATION("S1:5") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x10, "Serial" ) + PORT_DIPNAME( 0x20, 0x20, "Device #8" ) PORT_DIPLOCATION("S1:6") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x20, "Serial" ) + PORT_DIPNAME( 0x40, 0x40, "Device #9" ) PORT_DIPLOCATION("S1:7") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x40, "Serial" ) + PORT_DIPNAME( 0x80, 0x80, "Device #10" ) PORT_DIPLOCATION("S1:8") + PORT_DIPSETTING( 0x00, "IEEE" ) + PORT_DIPSETTING( 0x80, "Serial" ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor buscard2_t::device_input_ports() const +{ + return INPUT_PORTS_NAME( buscard2 ); +} + + +//------------------------------------------------- +// Centronics interface +//------------------------------------------------- + +WRITE_LINE_MEMBER( buscard2_t::busy_w ) +{ + m_busy = state; +} + + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void buscard2_t::device_add_mconfig(machine_config &config) +{ + RIOT6532(config, m_riot, 0); + + PIA6821(config, m_pia, 0); + + IEEE488(config, m_bus, 0); + ieee488_slot_device::add_cbm_defaults(config, nullptr); + + CENTRONICS(config, m_centronics, centronics_devices, nullptr); + m_centronics->busy_handler().set(FUNC(buscard2_t::busy_w)); + + C64_EXPANSION_SLOT(config, m_exp, DERIVED_CLOCK(1, 1), c64_expansion_cards, nullptr); + m_exp->set_passthrough(); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// buscard2_t - constructor +//------------------------------------------------- + +buscard2_t::buscard2_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, C64_BUSCARD2, tag, owner, clock), + device_c64_expansion_card_interface(mconfig, *this), + m_riot(*this, R6532_TAG), + m_pia(*this, MC6821_TAG), + m_bus(*this, IEEE488_TAG), + m_centronics(*this, CENTRONICS_TAG), + m_exp(*this, EXPANSION_TAG), + m_s1(*this, "S1"), + m_rom(*this, "rom"), + m_prom(*this, "prom"), + m_busy(1) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void buscard2_t::device_start() +{ + // state saving + save_item(NAME(m_busy)); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void buscard2_t::device_reset() +{ +} + + +//------------------------------------------------- +// c64_cd_r - cartridge data read +//------------------------------------------------- + +uint8_t buscard2_t::c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) +{ + return m_exp->cd_r(offset, data, sphi2, ba, roml, romh, io1, io2); +} + + +//------------------------------------------------- +// c64_cd_w - cartridge data write +//------------------------------------------------- + +void buscard2_t::c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) +{ + m_exp->cd_w(offset, data, sphi2, ba, roml, romh, io1, io2); +} + + +//------------------------------------------------- +// c64_game_r - cartridge GAME read +//------------------------------------------------- + +int buscard2_t::c64_game_r(offs_t offset, int sphi2, int ba, int rw) +{ + return m_exp->game_r(offset, sphi2, ba, rw, m_slot->loram(), m_slot->hiram()); +} + + +//------------------------------------------------- +// c64_exrom_r - cartridge EXROM read +//------------------------------------------------- + +int buscard2_t::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) +{ + return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->loram(), m_slot->hiram()); +} diff --git a/src/devices/bus/c64/buscard2.h b/src/devices/bus/c64/buscard2.h new file mode 100644 index 00000000000..732fc299191 --- /dev/null +++ b/src/devices/bus/c64/buscard2.h @@ -0,0 +1,72 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Batteries Included BusCard II cartridge emulation + +**********************************************************************/ + +#ifndef MAME_BUS_C64_BUSCARD2_H +#define MAME_BUS_C64_BUSCARD2_H + +#pragma once + + +#include "bus/c64/exp.h" +#include "bus/centronics/ctronics.h" +#include "bus/ieee488/ieee488.h" +#include "machine/6532riot.h" +#include "machine/6821pia.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> buscard2_t + +class buscard2_t : public device_t, + public device_c64_expansion_card_interface +{ +public: + // construction/destruction + buscard2_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + + // device_c64_expansion_card_interface overrides + virtual uint8_t c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; + virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; + virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override; + virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) override; + +private: + required_device m_riot; + required_device m_pia; + required_device m_bus; + required_device m_centronics; + required_device m_exp; + required_ioport m_s1; + required_memory_region m_rom; + required_memory_region m_prom; + + bool m_busy; + + DECLARE_WRITE_LINE_MEMBER( busy_w ); +}; + + +// device type definition +DECLARE_DEVICE_TYPE(C64_BUSCARD2, buscard2_t) + + +#endif // MAME_BUS_C64_BUSCARD_H diff --git a/src/devices/bus/c64/exp.cpp b/src/devices/bus/c64/exp.cpp index 46d9890f5bf..2a996728adf 100644 --- a/src/devices/bus/c64/exp.cpp +++ b/src/devices/bus/c64/exp.cpp @@ -309,6 +309,7 @@ void c64_expansion_slot_device::set_passthrough() // slot devices #include "16kb.h" #include "buscard.h" +#include "buscard2.h" #include "c128_comal80.h" #include "c128_partner.h" #include "comal80.h" @@ -399,6 +400,7 @@ void c64_expansion_cards(device_slot_interface &device) device.option_add("swiftlink", C64_SWIFTLINK); device.option_add("turbo232", C64_TURBO232); device.option_add("buscard", C64_BUSCARD); + device.option_add("buscard2", C64_BUSCARD2); // the following need ROMs from the software list device.option_add_internal("standard", C64_STD); -- cgit v1.2.3