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Diffstat (limited to 'src/mame/drivers/m24.cpp')
-rw-r--r--src/mame/drivers/m24.cpp313
1 files changed, 313 insertions, 0 deletions
diff --git a/src/mame/drivers/m24.cpp b/src/mame/drivers/m24.cpp
new file mode 100644
index 00000000000..154605f1349
--- /dev/null
+++ b/src/mame/drivers/m24.cpp
@@ -0,0 +1,313 @@
+// 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"
+#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<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)