diff options
Diffstat (limited to 'src/mame/drivers/alphatpc16.cpp')
-rw-r--r-- | src/mame/drivers/alphatpc16.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/mame/drivers/alphatpc16.cpp b/src/mame/drivers/alphatpc16.cpp new file mode 100644 index 00000000000..2b05bc5e273 --- /dev/null +++ b/src/mame/drivers/alphatpc16.cpp @@ -0,0 +1,202 @@ +// license:BSD-3-Clause +// copyright-holders:Carl + +#include "emu.h" + +#include "cpu/i86/i86.h" +#include "imagedev/floppy.h" +#include "machine/wd_fdc.h" +#include "video/ef9345.h" +#include "machine/z80dart.h" +#include "machine/pic8259.h" +#include "machine/timer.h" +#include "machine/ram.h" +#include "sound/beep.h" +#include "cpu/mcs48/mcs48.h" +#include "cpu/z80/z80.h" +#include "emupal.h" +#include "screen.h" +#include "speaker.h" + +class alphatpc16_state : public driver_device +{ +public: + alphatpc16_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_pic8259(*this, "pic8259"), + m_ef9345(*this, "ef9345"), + m_beep(*this, "beeper"), + m_wdfdc(*this, "wdfdc"), + m_ram(*this, RAM_TAG) + { } + +public: + void alphatpc16(machine_config &config); + +private: + virtual void machine_start() override; + + void apc16_io(address_map &map); + void apc16_map(address_map &map); + void apc16_z80_io(address_map &map); + void apc16_z80_map(address_map &map); + void ef9345(address_map &map); + + DECLARE_READ8_MEMBER(p1_r); + DECLARE_WRITE8_MEMBER(p1_w); + DECLARE_READ8_MEMBER(p2_r); + DECLARE_WRITE8_MEMBER(p2_w); + DECLARE_READ8_MEMBER(host_scsi_r); + DECLARE_WRITE8_MEMBER(host_scsi_w); + DECLARE_READ8_MEMBER(flop_scsi_r); + DECLARE_WRITE8_MEMBER(flop_scsi_w); + + required_device<cpu_device> m_maincpu; + required_device<pic8259_device> m_pic8259; + required_device<ef9345_device> m_ef9345; + required_device<beep_device> m_beep; + required_device<wd1770_device> m_wdfdc; + required_device<ram_device> m_ram; + + u8 m_p1, m_p2; +}; + +void alphatpc16_state::machine_start() +{ + m_maincpu->space(AS_PROGRAM).install_ram(0, m_ram->size() - 1, m_ram->pointer()); +} + +WRITE8_MEMBER(alphatpc16_state::p1_w) +{ + if((data == 0xff) && !BIT(m_p2, 7)) + m_p2 &= ~3; //?? + m_p1 = data; +} + +READ8_MEMBER(alphatpc16_state::p1_r) +{ + return m_p1; +} + +WRITE8_MEMBER(alphatpc16_state::p2_w) +{ + m_beep->set_state(!BIT(data, 3)); + m_pic8259->ir0_w(BIT(data, 5)); + m_p2 = data; +} + +READ8_MEMBER(alphatpc16_state::p2_r) +{ + return m_p2; +} + +WRITE8_MEMBER(alphatpc16_state::host_scsi_w) +{ +} + +READ8_MEMBER(alphatpc16_state::host_scsi_r) +{ + return 0; +} + +WRITE8_MEMBER(alphatpc16_state::flop_scsi_w) +{ +} + +READ8_MEMBER(alphatpc16_state::flop_scsi_r) +{ + return 0; +} + +void alphatpc16_state::apc16_map(address_map &map) +{ + map(0x80020, 0x8002f).rw(m_ef9345, FUNC(ef9345_device::data_r), FUNC(ef9345_device::data_w)); + map(0x82000, 0x82001).rw("i8741", FUNC(upi41_cpu_device::upi41_master_r), FUNC(upi41_cpu_device::upi41_master_w)); + map(0x84000, 0x84003).rw("z80dart", FUNC(z80dart_device::ba_cd_r), FUNC(z80dart_device::ba_cd_w)); + map(0x86000, 0x86001).rw(m_pic8259, FUNC(pic8259_device::read), FUNC(pic8259_device::write)); + map(0x8a000, 0x8a003).rw(FUNC(alphatpc16_state::host_scsi_r), FUNC(alphatpc16_state::host_scsi_w)); + map(0xf0000, 0xfffff).rom().region("bios", 0); +} + +void alphatpc16_state::apc16_io(address_map &map) +{ +} + +void alphatpc16_state::apc16_z80_map(address_map &map) +{ + map(0x0000, 0x3fff).rom().region("flop", 0); + map(0x4000, 0x47ff).ram(); +} + +void alphatpc16_state::apc16_z80_io(address_map &map) +{ + map.global_mask(0xff); + map(0x20, 0x23).rw(m_wdfdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write)); + map(0x62, 0x63) .rw(FUNC(alphatpc16_state::flop_scsi_r), FUNC(alphatpc16_state::flop_scsi_w)); +} + +static INPUT_PORTS_START( alphatpc16 ) +INPUT_PORTS_END + +void alphatpc16_state::alphatpc16(machine_config &config) +{ + /* basic machine hardware */ + I8088(config, m_maincpu, 15_MHz_XTAL / 3); + m_maincpu->set_addrmap(AS_PROGRAM, &alphatpc16_state::apc16_map); + m_maincpu->set_addrmap(AS_IO, &alphatpc16_state::apc16_io); + m_maincpu->set_irq_acknowledge_callback(m_pic8259, FUNC(pic8259_device::inta_cb)); + + PIC8259(config, m_pic8259, 0); + m_pic8259->out_int_callback().set_inputline(m_maincpu, 0); + + z80dart_device &dart(Z80DART(config, "z80dart", 15_MHz_XTAL / 3)); // clock? + dart.out_int_callback().set(m_pic8259, FUNC(pic8259_device::ir7_w)); + + cpu_device& z80(Z80(config, "z80", 8_MHz_XTAL / 2)); + z80.set_addrmap(AS_PROGRAM, &alphatpc16_state::apc16_z80_map); + z80.set_addrmap(AS_IO, &alphatpc16_state::apc16_z80_io); + WD1770(config, m_wdfdc, 8_MHz_XTAL); + + i8741a_device& i8741(I8741A(config, "i8741", 4.608_MHz_XTAL)); + i8741.p1_in_cb().set(FUNC(alphatpc16_state::p1_r)); + i8741.p1_out_cb().set(FUNC(alphatpc16_state::p1_w)); + i8741.p2_in_cb().set(FUNC(alphatpc16_state::p2_r)); + i8741.p2_out_cb().set(FUNC(alphatpc16_state::p2_w)); + + SPEAKER(config, "mono").front_center(); + BEEP(config, "beeper", 1000).add_route(ALL_OUTPUTS, "mono", 1.00); // Unknown freq + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_refresh_hz(50); + screen.set_screen_update(m_ef9345, FUNC(ef9345_device::screen_update)); + screen.set_size(492, 270); + screen.set_visarea(00, 492-1, 00, 270-1); + PALETTE(config, "palette").set_entries(8); + + EF9345(config, m_ef9345, 0); + m_ef9345->set_palette_tag("palette"); + + TIMER(config, "scanline").configure_scanline(NAME([this](timer_device &t, void *ptr, s32 p){m_ef9345->update_scanline((uint16_t)p);}), screen, 0, 10); + + // these are supported by the bios, they may not have been available on real hardware + RAM(config, m_ram).set_default_size("64K").set_extra_options("128K,192K,256K,384K,448K,512K"); +} + +ROM_START( alphatpc16 ) + ROM_REGION(0x10000,"bios", 0) + ROM_LOAD("cdae03_04_16.bin", 0x0000, 0x8000, CRC(0ff5b549) SHA1(f5612e7864c06da586087645fed97c78e84a5d04)) + ROM_LOAD("cdae02_07_15.bin", 0x8000, 0x8000, CRC(22fd3acb) SHA1(ddab380dd15326ca699d6b4b7f4bf7c1a9d498ea)) + + ROM_REGION(0x400, "i8741", 0) + ROM_LOAD("d8741ad.bin", 0x000, 0x400, CRC(e71d5d9f) SHA1(deda490491d3ee08f47bd23bb29dc92b3806d3f2)) + + ROM_REGION(0x4000, "flop", 0) + ROM_LOAD("cdae04_03_21.bin", 0x0000, 0x4000, CRC(11bc6551) SHA1(28c1f02fdc040035aba249c4ad21de9b5ec95298)) + + ROM_REGION( 0x4000, "ef9345", 0 ) + ROM_LOAD( "charset.rom", 0x0000, 0x2000, BAD_DUMP CRC(b2f49eb3) SHA1(d0ef530be33bfc296314e7152302d95fdf9520fc) ) // from dcvg5k +ROM_END + +COMP( 198?, alphatpc16, 0, 0, alphatpc16, alphatpc16, alphatpc16_state, empty_init, "Triumph-Adler", "alphatronic PC-16", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) + |