diff options
Diffstat (limited to 'src/mess/drivers/m24.c')
-rw-r--r-- | src/mess/drivers/m24.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/src/mess/drivers/m24.c b/src/mess/drivers/m24.c deleted file mode 100644 index c9504ef6eec..00000000000 --- a/src/mess/drivers/m24.c +++ /dev/null @@ -1,312 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Carl -#include "emu.h" - -#include "cpu/i86/i86.h" -#include "cpu/tms7000/tms7000.h" -#include "bus/isa/isa.h" -#include "bus/isa/isa_cards.h" -#include "machine/m24_kbd.h" -#include "machine/m24_z8000.h" -#include "machine/mm58274c.h" -#include "includes/genpc.h" -#include "formats/pc_dsk.h" -#include "formats/naslite_dsk.h" -#include "formats/m20_dsk.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<cpu_device> m_maincpu; - required_device<pc_noppi_mb_device> m_mb; - required_device<cpu_device> m_kbc; - required_device<m24_keyboard_device> m_keyboard; - optional_device<m24_z8000_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(); - - 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(0x00000, 0x9ffff) AM_RAMBANK("bank10") - AM_RANGE(0xa0000, 0xeffff) AM_NOP - AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION("maincpu", 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(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<floppy_connector *>(device)->set_formats(m24_state::floppy_formats); - - MCFG_DEVICE_MODIFY("fdc:1") - static_cast<floppy_connector *>(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, NULL, false) - MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, NULL, false) - MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, NULL, false) - - /* internal ram */ - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("640K") - - 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,"maincpu", 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,"maincpu", 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) |