// license:BSD-3-Clause // copyright-holders:Carl #include "emu.h" #include "cpu/i86/i86.h" #include "cpu/tms7000/tms7000.h" #include "machine/m24_kbd.h" #include "machine/m24_z8000.h" #include "machine/mm58274c.h" #include "machine/genpc.h" #include "formats/pc_dsk.h" #include "formats/naslite_dsk.h" #include "formats/m20_dsk.h" #include "softlist.h" class m24_state : public driver_device { public: m24_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_mb(*this, "mb"), m_kbc(*this, "kbc"), m_keyboard(*this, "keyboard"), m_z8000_apb(*this, "z8000_apb") { } required_device m_maincpu; required_device m_mb; required_device m_kbc; required_device m_keyboard; optional_device m_z8000_apb; DECLARE_READ8_MEMBER(keyboard_r); DECLARE_WRITE8_MEMBER(keyboard_w); DECLARE_READ8_MEMBER(pa_r); DECLARE_WRITE8_MEMBER(pb_w); DECLARE_READ8_MEMBER(kbcdata_r); DECLARE_WRITE8_MEMBER(kbcdata_w); DECLARE_WRITE_LINE_MEMBER(kbcin_w); DECLARE_WRITE_LINE_MEMBER(dma_hrq_w); DECLARE_WRITE_LINE_MEMBER(int_w); DECLARE_WRITE_LINE_MEMBER(halt_i86_w); DECLARE_FLOPPY_FORMATS( floppy_formats ); void machine_reset() override; UINT8 m_sysctl, m_pa, m_kbcin, m_kbcout; bool m_kbcibf, m_kbdata, m_i86_halt, m_i86_halt_perm; }; void m24_state::machine_reset() { m_sysctl = 0; m_pa = 0x40; m_kbcibf = false; m_kbdata = true; m_i86_halt = false; m_i86_halt_perm = false; if(m_z8000_apb) m_z8000_apb->m_z8000->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); } READ8_MEMBER(m24_state::keyboard_r) { switch(offset) { case 0: m_pa |= 0x40; m_mb->m_pic8259->ir1_w(0); return m_kbcout; case 1: return m_sysctl; case 2: return 0; case 4: return (m_kbcibf ? 2 : 0) | ((m_pa & 0x40) ? 0 : 1); } return 0xff; } WRITE8_MEMBER(m24_state::keyboard_w) { switch(offset) { case 0: m_kbc->set_input_line(TMS7000_INT1_LINE, ASSERT_LINE); m_kbcibf = true; m_kbcin = data; break; case 1: m_sysctl = data; m_mb->m_pit8253->write_gate2(BIT(data, 0)); m_mb->pc_speaker_set_spkrdata(BIT(data, 1)); if(BIT(data, 6)) m_pa |= 4; else m_pa &= ~4; break; case 5: m_maincpu->set_input_line(INPUT_LINE_HALT, (data & 0x40) ? ASSERT_LINE : CLEAR_LINE); m_i86_halt = true; m_i86_halt_perm = true; } } READ8_MEMBER(m24_state::pa_r) { return m_pa & (m_kbdata ? 0xff : 0xfd); } WRITE8_MEMBER(m24_state::pb_w) { m_keyboard->clock_w(!BIT(data, 0)); m_keyboard->data_w(!BIT(data, 1)); m_pa = (m_pa & ~3) | (~data & 3); } READ8_MEMBER(m24_state::kbcdata_r) { m_kbc->set_input_line(TMS7000_INT1_LINE, CLEAR_LINE); m_kbcibf = false; return m_kbcin; } WRITE8_MEMBER(m24_state::kbcdata_w) { m_pa &= ~0x40; m_mb->m_pic8259->ir1_w(1); m_kbcout = data; } WRITE_LINE_MEMBER(m24_state::kbcin_w) { m_kbdata = state; } WRITE_LINE_MEMBER(m24_state::dma_hrq_w) { if(!m_i86_halt) m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); if(m_z8000_apb && !m_z8000_apb->halted()) m_z8000_apb->m_z8000->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); /* Assert HLDA */ m_mb->m_dma8237->hack_w(state); } WRITE_LINE_MEMBER(m24_state::int_w) { if(!m_i86_halt) m_maincpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE); if(m_z8000_apb && !m_z8000_apb->halted()) m_z8000_apb->m_z8000->set_input_line(INPUT_LINE_IRQ1, state ? ASSERT_LINE : CLEAR_LINE); } WRITE_LINE_MEMBER(m24_state::halt_i86_w) { if(m_i86_halt_perm) return; m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); m_i86_halt = state ? true : false; } static ADDRESS_MAP_START( m24_map, AS_PROGRAM, 16, m24_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION("bios", 0) ADDRESS_MAP_END static ADDRESS_MAP_START(m24_io, AS_IO, 16, m24_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0060, 0x0065) AM_READWRITE8(keyboard_r, keyboard_w, 0xffff) AM_RANGE(0x0066, 0x0067) AM_READ_PORT("DSW0") AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("mm58174an", mm58274c_device, read, write, 0xffff) AM_RANGE(0x0000, 0x00ff) AM_DEVICE8("mb", pc_noppi_mb_device, map, 0xffff) AM_RANGE(0x80c0, 0x80c1) AM_DEVREADWRITE8("z8000_apb", m24_z8000_device, handshake_r, handshake_w, 0xff00) ADDRESS_MAP_END static ADDRESS_MAP_START(kbc_map, AS_PROGRAM, 8, m24_state) AM_RANGE(0x8000, 0x8fff) AM_READ(kbcdata_r) AM_RANGE(0xa000, 0xafff) AM_WRITE(kbcdata_w) AM_RANGE(0xf800, 0xffff) AM_ROM AM_REGION("kbc", 0) ADDRESS_MAP_END static ADDRESS_MAP_START(kbc_io, AS_IO, 8, m24_state) AM_RANGE(TMS7000_PORTA, TMS7000_PORTA) AM_READ(pa_r) AM_RANGE(TMS7000_PORTB, TMS7000_PORTB) AM_WRITE(pb_w) ADDRESS_MAP_END static INPUT_PORTS_START( m24 ) PORT_START("DSW0") PORT_DIPNAME( 0x8f, 0x89, "RAM banks") PORT_DIPSETTING( 0x01, "128K" ) PORT_DIPSETTING( 0x82, "256K" ) PORT_DIPSETTING( 0x84, "512K - 256/256" ) PORT_DIPSETTING( 0x08, "512K - 512/0" ) PORT_DIPSETTING( 0x85, "640K - 256/384" ) PORT_DIPSETTING( 0x8d, "640K - 128/512" ) PORT_DIPSETTING( 0x89, "640K - 512/128" ) PORT_DIPNAME( 0x10, 0x00, "8087 installed") PORT_DIPSETTING( 0x00, DEF_STR(No) ) PORT_DIPSETTING( 0x10, DEF_STR(Yes) ) PORT_DIPNAME( 0x20, 0x00, "Serial Port") PORT_DIPSETTING( 0x20, "Z8530 SCC") PORT_DIPSETTING( 0x00, "INS8250" ) //PORT_START("DSW1") PORT_DIPNAME( 0x0100, 0x0000, "FDD Type") PORT_DIPSETTING( 0x0000, "360K" ) PORT_DIPSETTING( 0x0100, "720K" ) PORT_DIPNAME( 0x0200, 0x0200, "FDD spinup") PORT_DIPSETTING( 0x0000, "Slow" ) PORT_DIPSETTING( 0x0200, "Fast" ) PORT_DIPNAME( 0x0400, 0x0400, "HDD ROM") PORT_DIPSETTING( 0x0000, "Internal" ) PORT_DIPSETTING( 0x0400, "External" ) PORT_DIPNAME( 0x0800, 0x0000, "Scroll rate") PORT_DIPSETTING( 0x0800, "Slow" ) PORT_DIPSETTING( 0x0000, "Fast") PORT_DIPNAME( 0x3000, 0x2000, "Graphics adapter") PORT_DIPSETTING( 0x0000, "EGA/VGA" ) PORT_DIPSETTING( 0x1000, "Color 40x25" ) PORT_DIPSETTING( 0x2000, "Color 80x25" ) PORT_DIPSETTING( 0x3000, "Monochrome" ) PORT_DIPNAME( 0xc000, 0x4000, "Number of floppy drives") PORT_DIPSETTING( 0x0000, "1" ) PORT_DIPSETTING( 0x4000, "2" ) PORT_DIPSETTING( 0x8000, "3" ) PORT_DIPSETTING( 0xc000, "4" ) INPUT_PORTS_END FLOPPY_FORMATS_MEMBER( m24_state::floppy_formats ) FLOPPY_PC_FORMAT, FLOPPY_NASLITE_FORMAT, FLOPPY_M20_FORMAT FLOPPY_FORMATS_END static MACHINE_CONFIG_FRAGMENT( cfg_m20_format ) MCFG_DEVICE_MODIFY("fdc:0") static_cast(device)->set_formats(m24_state::floppy_formats); MCFG_DEVICE_MODIFY("fdc:1") static_cast(device)->set_formats(m24_state::floppy_formats); MACHINE_CONFIG_END static MACHINE_CONFIG_START( olivetti, m24_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I8086, XTAL_8MHz) MCFG_CPU_PROGRAM_MAP(m24_map) MCFG_CPU_IO_MAP(m24_io) MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("mb:pic8259", pic8259_device, inta_cb) MCFG_PCNOPPI_MOTHERBOARD_ADD("mb", "maincpu") MCFG_ISA8_SLOT_ADD("mb:isa", "mb1", pc_isa8_cards, "cga_m24", true) MCFG_ISA8_SLOT_ADD("mb:isa", "mb2", pc_isa8_cards, "fdc_xt", true) MCFG_SLOT_OPTION_MACHINE_CONFIG("fdc_xt", cfg_m20_format) MCFG_ISA8_SLOT_ADD("mb:isa", "mb3", pc_isa8_cards, "lpt", true) MCFG_ISA8_SLOT_ADD("mb:isa", "mb4", pc_isa8_cards, "com", true) MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, nullptr, false) MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, nullptr, false) MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, nullptr, false) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("640K") MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K") MCFG_CPU_ADD("kbc", TMS7000, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(kbc_map) MCFG_CPU_IO_MAP(kbc_io) MCFG_DEVICE_ADD("keyboard", M24_KEYBOARD, 0) MCFG_M24_KEYBOARD_OUT_DATA_HANDLER(WRITELINE(m24_state, kbcin_w)) MCFG_DEVICE_ADD("mm58174an", MM58274C, 0) MCFG_MM58274C_MODE24(1) // ? MCFG_MM58274C_DAY1(1) // ? MCFG_DEVICE_ADD("z8000_apb", M24_Z8000, 0) MCFG_M24_Z8000_HALT(WRITELINE(m24_state, halt_i86_w)) MCFG_DEVICE_MODIFY("mb:dma8237") MCFG_I8237_OUT_HREQ_CB(DEVWRITELINE(":", m24_state, dma_hrq_w)) MCFG_DEVICE_MODIFY("mb:pic8259") devcb = &pic8259_device::static_set_out_int_callback(*device, DEVCB_DEVWRITELINE(":", m24_state, int_w)); /* software lists */ MCFG_SOFTWARE_LIST_ADD("disk_list","ibm5150") MACHINE_CONFIG_END ROM_START( m24 ) ROM_REGION16_LE(0x8000,"bios", 0) ROMX_LOAD("olivetti_m24_version_1.43_high.bin",0x4001, 0x2000, CRC(04e697ba) SHA1(1066dcc849e6289b5ac6372c84a590e456d497a6), ROM_SKIP(1)) ROMX_LOAD("olivetti_m24_version_1.43_low.bin", 0x4000, 0x2000, CRC(ff7e0f10) SHA1(13423011a9bae3f3193e8c199f98a496cab48c0f), ROM_SKIP(1)) ROM_REGION(0x800, "kbc", 0) ROM_LOAD("pdbd.tms2516.keyboardmcureplacementdaughterboard_10u", 0x000, 0x800, CRC(b8c4c18a) SHA1(25b4c24e19ff91924c53557c66513ab242d926c6)) ROM_END ROM_START( m240 ) ROM_REGION16_LE(0x8000,"bios", 0) ROMX_LOAD("olivetti_m240_pch5_2.04_high.bin", 0x0001, 0x4000, CRC(ceb97b59) SHA1(84fabbeab355e0a4c9445910f2b7d1ec98886642), ROM_SKIP(1)) ROMX_LOAD("olivetti_m240_pch6_2.04_low.bin", 0x0000, 0x4000, CRC(c463aa94) SHA1(a30c763c1ace9f3ff79e7136b252d624108a50ae), ROM_SKIP(1)) // is this one the same? ROM_REGION(0x800, "kbc", 0) ROM_LOAD("pdbd.tms2516.keyboardmcureplacementdaughterboard_10u", 0x000, 0x800, BAD_DUMP CRC(b8c4c18a) SHA1(25b4c24e19ff91924c53557c66513ab242d926c6)) ROM_END COMP( 1983, m24, ibm5150, 0, olivetti, m24, driver_device, 0, "Olivetti", "M24", MACHINE_NOT_WORKING) COMP( 1987, m240, ibm5150, 0, olivetti, m24, driver_device, 0, "Olivetti", "M240", MACHINE_NOT_WORKING)