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Diffstat (limited to 'src/mame/drivers/ampro.cpp')
-rw-r--r-- | src/mame/drivers/ampro.cpp | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/src/mame/drivers/ampro.cpp b/src/mame/drivers/ampro.cpp deleted file mode 100644 index e80d24e3960..00000000000 --- a/src/mame/drivers/ampro.cpp +++ /dev/null @@ -1,281 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - -Ampro Little Z80 Board - -2013-09-02 Skeleton driver. - -Chips: Z80A @4MHz, Z80CTC, Z80DART, WD1770/2, NCR5380. Crystal: 16 MHz - -This is a complete CP/M single-board computer that could be mounted -on top of a standard 13cm floppy drive. You needed to supply your own -power supply and serial terminal. - -The later versions included a SCSI chip (NCR5380) enabling the use -of a hard drive of up to 88MB. - -****************************************************************************/ - -#include "emu.h" -#include "bus/centronics/ctronics.h" -#include "bus/rs232/rs232.h" -#include "cpu/z80/z80.h" -#include "imagedev/floppy.h" -#include "machine/ncr5380.h" -#include "bus/nscsi/devices.h" -#include "machine/output_latch.h" -#include "machine/z80daisy.h" -#include "machine/z80ctc.h" -#include "machine/z80sio.h" -#include "machine/wd_fdc.h" -#include "machine/timer.h" -#include "softlist.h" - -class ampro_state : public driver_device -{ -public: - ampro_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_rom(*this, "maincpu") - , m_ram(*this, "mainram") - , m_bank1(*this, "bank1") - , m_dart(*this, "dart") - , m_ctc(*this, "ctc") - , m_fdc(*this, "fdc") - , m_floppy0(*this, "fdc:0") - , m_floppy1(*this, "fdc:1") - , m_floppy2(*this, "fdc:2") - , m_floppy3(*this, "fdc:3") - , m_ncr(*this, "scsi:7:ncr") - , m_printer(*this, "printer") - { } - - void ampro(machine_config &config); - -private: - TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick); - void port00_w(uint8_t data); - void set_strobe(uint8_t data); - void clear_strobe(uint8_t data); - uint8_t ctc_r(offs_t offset); - uint8_t dart_r(offs_t offset); - void ctc_w(offs_t offset, uint8_t data); - void dart_w(offs_t offset, uint8_t data); - void machine_reset() override; - void machine_start() override; - - void io_map(address_map &map); - void mem_map(address_map &map); - - required_device<z80_device> m_maincpu; - required_region_ptr<u8> m_rom; - required_shared_ptr<u8> m_ram; - required_memory_bank m_bank1; - required_device<z80dart_device> m_dart; - required_device<z80ctc_device> m_ctc; - required_device<wd1772_device> m_fdc; - required_device<floppy_connector> m_floppy0; - required_device<floppy_connector> m_floppy1; - required_device<floppy_connector> m_floppy2; - required_device<floppy_connector> m_floppy3; - required_device<ncr5380_device> m_ncr; - required_device<centronics_device> m_printer; -}; - -/* -d0..d3 Drive select 0-3 -d4 Side select 0=side0 -d5 /DDEN -d6 Banking 0=rom -d7 FDC master clock 0=8MHz 1=16MHz (for 20cm disks, not emulated) -*/ -void ampro_state::port00_w(uint8_t data) -{ - m_bank1->set_entry(BIT(~data, 6)); - m_fdc->dden_w(BIT(data, 5)); - floppy_image_device *floppy = nullptr; - if (BIT(data, 0)) floppy = m_floppy0->get_device(); - if (BIT(data, 1)) floppy = m_floppy1->get_device(); - if (BIT(data, 2)) floppy = m_floppy2->get_device(); - if (BIT(data, 3)) floppy = m_floppy3->get_device(); - m_fdc->set_floppy(floppy); - if (floppy) - floppy->ss_w(BIT(data, 4)); -} - -void ampro_state::set_strobe(uint8_t data) -{ - m_printer->write_strobe(0); -} - -void ampro_state::clear_strobe(uint8_t data) -{ - m_printer->write_strobe(1); -} - -uint8_t ampro_state::ctc_r(offs_t offset) -{ - return m_ctc->read(offset>>4); -} - -uint8_t ampro_state::dart_r(offs_t offset) -{ - return m_dart->ba_cd_r(offset>>2); -} - -void ampro_state::ctc_w(offs_t offset, uint8_t data) -{ - m_ctc->write(offset>>4, data); -} - -void ampro_state::dart_w(offs_t offset, uint8_t data) -{ - m_dart->ba_cd_w(offset>>2, data); -} - -void ampro_state::mem_map(address_map &map) -{ - map(0x0000, 0xffff).ram().share("mainram"); - map(0x0000, 0x0fff).bankr("bank1"); -} - -void ampro_state::io_map(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x00, 0x00).w(FUNC(ampro_state::port00_w)); // system - map(0x01, 0x01).w("pio", FUNC(output_latch_device::write)); // printer data - map(0x02, 0x02).w(FUNC(ampro_state::set_strobe)); // printer strobe - map(0x03, 0x03).w(FUNC(ampro_state::clear_strobe)); // printer strobe - map(0x20, 0x27).rw(m_ncr, FUNC(ncr5380_device::read), FUNC(ncr5380_device::write)); // scsi chip - map(0x28, 0x28).rw(m_ncr, FUNC(ncr5380_device::dma_r), FUNC(ncr5380_device::dma_w)); // scsi control - map(0x29, 0x29).portr("ID"); // ID port - map(0x40, 0x7f).rw(FUNC(ampro_state::ctc_r), FUNC(ampro_state::ctc_w)); - map(0x80, 0x8f).rw(FUNC(ampro_state::dart_r), FUNC(ampro_state::dart_w)); - map(0xc0, 0xc3).w(m_fdc, FUNC(wd1772_device::write)); - map(0xc4, 0xc7).r(m_fdc, FUNC(wd1772_device::read)); -} - -static const z80_daisy_config daisy_chain_intf[] = -{ - { "ctc" }, - { "dart" }, - { nullptr } -}; - -static void ampro_floppies(device_slot_interface &device) -{ - device.option_add("525dd", FLOPPY_525_DD); -} - -/* Input ports */ -static INPUT_PORTS_START( ampro ) - PORT_START("ID") - PORT_DIPUNUSED_DIPLOC(0x80, 0x80, "J9:1") // actually pin pair 1-2 - PORT_DIPUNUSED_DIPLOC(0x40, 0x40, "J9:2") // actually pin pair 3-4 - PORT_DIPUNUSED_DIPLOC(0x20, 0x20, "J9:3") // actually pin pair 5-6 - PORT_DIPUNUSED_DIPLOC(0x10, 0x10, "J9:4") // actually pin pair 7-8 - PORT_DIPUNUSED_DIPLOC(0x08, 0x08, "J9:5") // actually pin pair 9-10 - PORT_DIPNAME(0x07, 0x07, "SCSI ID") PORT_DIPLOCATION("J9:8,7,6") // actually pin pairs 15-16, 13-14, 11-12 - PORT_DIPSETTING(0x00, "0") - PORT_DIPSETTING(0x01, "1") - PORT_DIPSETTING(0x02, "2") - PORT_DIPSETTING(0x03, "3") - PORT_DIPSETTING(0x04, "4") - PORT_DIPSETTING(0x05, "5") - PORT_DIPSETTING(0x06, "6") - PORT_DIPSETTING(0x07, "7") -INPUT_PORTS_END - -void ampro_state::machine_start() -{ - m_bank1->configure_entry(0, m_ram); - m_bank1->configure_entry(1, m_rom); -} - -void ampro_state::machine_reset() -{ - m_bank1->set_entry(1); - - port00_w(0); - clear_strobe(0); -} - -void ampro_state::ampro(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 16_MHz_XTAL / 4); - m_maincpu->set_addrmap(AS_PROGRAM, &ro_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &ro_state::io_map); - m_maincpu->set_daisy_config(daisy_chain_intf); - - /* Devices */ - Z80CTC(config, m_ctc, 16_MHz_XTAL / 4); - m_ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - m_ctc->set_clk<0>(16_MHz_XTAL / 8); // 2MHz - m_ctc->set_clk<1>(16_MHz_XTAL / 8); // 2MHz - m_ctc->zc_callback<0>().set(m_dart, FUNC(z80dart_device::txca_w)); // Z80DART Ch A, SIO Ch A - m_ctc->zc_callback<0>().append(m_dart, FUNC(z80dart_device::rxca_w)); - m_ctc->zc_callback<1>().set(m_dart, FUNC(z80dart_device::rxtxcb_w)); // SIO Ch B - - Z80DART(config, m_dart, 16_MHz_XTAL / 4); - m_dart->out_txda_callback().set("rs232a", FUNC(rs232_port_device::write_txd)); - m_dart->out_rtsa_callback().set("rs232a", FUNC(rs232_port_device::write_rts)); - m_dart->out_txdb_callback().set("rs232b", FUNC(rs232_port_device::write_txd)); - m_dart->out_rtsb_callback().set("rs232b", FUNC(rs232_port_device::write_rts)); - m_dart->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - - rs232_port_device &rs232a(RS232_PORT(config, "rs232a", default_rs232_devices, "terminal")); - rs232a.rxd_handler().set(m_dart, FUNC(z80dart_device::rxa_w)); - rs232a.cts_handler().set(m_dart, FUNC(z80dart_device::ctsa_w)); - - rs232_port_device &rs232b(RS232_PORT(config, "rs232b", default_rs232_devices, nullptr)); - rs232b.rxd_handler().set(m_dart, FUNC(z80dart_device::rxb_w)); - rs232b.cts_handler().set(m_dart, FUNC(z80dart_device::ctsb_w)); - - output_latch_device &pio(OUTPUT_LATCH(config, "pio")); - CENTRONICS(config, m_printer, centronics_devices, nullptr); - m_printer->busy_handler().set(m_dart, FUNC(z80dart_device::rib_w)); - m_printer->set_output_latch(pio); - - WD1772(config, m_fdc, 16_MHz_XTAL / 2); - //m_fdc->intrq_wr_callback().set(m_ctc, FUNC(z80ctc_device::trg3)); // only if JMP2-3 shorted - //m_fdc->drq_wr_callback().set(m_dart, FUNC(z80dart_device::ria_w)); // only if JMP7 shorted - m_fdc->ready_wr_callback().set(m_dart, FUNC(z80dart_device::dcdb_w)); // actually from the drive, and not used by the FDC at all - FLOPPY_CONNECTOR(config, "fdc:0", ampro_floppies, "525dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, "fdc:1", ampro_floppies, "525dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, "fdc:2", ampro_floppies, "525dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - FLOPPY_CONNECTOR(config, "fdc:3", ampro_floppies, "525dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true); - SOFTWARE_LIST(config, "flop_list").set_original("ampro"); - - NSCSI_BUS(config, "scsi"); - NSCSI_CONNECTOR(config, "scsi:0", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:1", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:2", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:3", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:4", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:5", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:6", default_scsi_devices, nullptr); - NSCSI_CONNECTOR(config, "scsi:7").option_set("ncr", NCR5380).machine_config([] (device_t *device) { - //downcast<ncr5380_device &>(*device).irq_handler().set(m_ctc, FUNC(z80ctc_device::trg2)); // only if JMP3 shorted - //downcast<ncr5380_device &>(*device).drq_handler().set(m_dart, FUNC(z80dart_device::dcda_w)); // only if JMP8 shorted - }); -} - -/* ROM definition */ -ROM_START( ampro ) - ROM_REGION( 0x1000, "maincpu", 0 ) - ROM_SYSTEM_BIOS( 0, "mntr", "Monitor") - ROMX_LOAD( "mntr", 0x0000, 0x1000, CRC(d59d0909) SHA1(936410f414b1e71445253840eea0045545e4ff0b), ROM_BIOS(0)) - ROM_SYSTEM_BIOS( 1, "boot", "Boot") - ROMX_LOAD( "boot", 0x0000, 0x1000, CRC(b3524046) SHA1(5466f7d28c1a04cfbf328095cb35ad1525e91f44), ROM_BIOS(1)) - ROM_SYSTEM_BIOS( 2, "scsi", "SCSI Boot") - ROMX_LOAD( "scsi", 0x0000, 0x1000, CRC(8eb20e5d) SHA1(0ab1ff65cf6d3c1a713a8ac5c1ee4c662ac3da0c), ROM_BIOS(2)) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1980, ampro, 0, 0, ampro, ampro, ampro_state, empty_init, "Ampro", "Little Z80 Board", MACHINE_SUPPORTS_SAVE ) |