diff options
Diffstat (limited to 'src/mame/drivers/fidel68k.cpp')
-rw-r--r-- | src/mame/drivers/fidel68k.cpp | 74 |
1 files changed, 48 insertions, 26 deletions
diff --git a/src/mame/drivers/fidel68k.cpp b/src/mame/drivers/fidel68k.cpp index 9fae822558c..46f28ec73e8 100644 --- a/src/mame/drivers/fidel68k.cpp +++ b/src/mame/drivers/fidel68k.cpp @@ -12,7 +12,6 @@ TODO: - how does dual-CPU work? - - EAG IRQ level/timing is unknown - USART is not emulated - V9(68030 @ 32MHz) is faster than V10(68040 @ 25MHz) but it should be the other way around, culprit is unemulated cache? @@ -51,15 +50,15 @@ V6-V11 are on model 6117. Older 1986 model 6081/6088/6089 uses a 6502 CPU. Hardware info: -------------- - MC68HC000P12F 16MHz CPU, 16MHz XTAL -- MB1422A DRAM Controller, 25MHz XTAL near, 4 DRAM slots(V2: slot 1 and 2 64KB) +- MB1422A DRAM Controller, 25MHz XTAL near, 4 DRAM slots + (V2: slot 2 & 3 64KB, V3: slot 2 & 3 256KB) - 2*27C512 64KB EPROM, 2*KM6264AL-10 8KB SRAM, 2*AT28C64X 8KB EEPROM - OKI M82C51A-2 USART, 4.9152MHz XTAL - other special: magnet sensors, external module slot, serial port -IRQ source is unknown. Several possibilities: -- NE555 timer IC -- MM/SN74HC4060 binary counter IC (near the M82C51A) -- one of the XTALs, plus divider of course +IRQ source is a 4,9152MHz quartz crystal (Y3) connected to a 74HC4060 (U8, +ripple counter/divider). From Q12 output (counter=8192) we obtain the IRQ signal +applied to IPL1 of 68000 (pin 24) 4,9152 MHz / 8192 = 600 Hz. The module slot pinout is different from SCC series. The data on those appears to be compatible with EAG though and will load fine with an adapter. @@ -157,6 +156,7 @@ B0000x-xxxxxx: see V7, -800000 #include "emu.h" #include "includes/fidelz80.h" #include "cpu/m68000/m68000.h" +#include "machine/ram.h" #include "machine/nvram.h" #include "sound/volt_reg.h" @@ -169,9 +169,12 @@ class fidel68k_state : public fidelz80base_state { public: fidel68k_state(const machine_config &mconfig, device_type type, const char *tag) - : fidelz80base_state(mconfig, type, tag) + : fidelz80base_state(mconfig, type, tag), + m_ram(*this, "ram") { } + optional_device<ram_device> m_ram; + TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(M68K_IRQ_2, ASSERT_LINE); } TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(M68K_IRQ_2, CLEAR_LINE); } @@ -179,6 +182,7 @@ public: DECLARE_WRITE8_MEMBER(fexcel68k_mux_w); // EAG(6114/6117) + DECLARE_DRIVER_INIT(eag); void eag_prepare_display(); DECLARE_READ8_MEMBER(eag_input1_r); DECLARE_WRITE8_MEMBER(eag_leds_w); @@ -288,10 +292,15 @@ ADDRESS_MAP_END // EAG +DRIVER_INIT_MEMBER(fidel68k_state, eag) +{ + // eag_map: DRAM slots at $200000-$2fffff - V1/V2: 128K, V3: 512K, V4: 1M + m_maincpu->space(AS_PROGRAM).install_ram(0x200000, 0x200000 + m_ram->size() - 1, m_ram->pointer()); +} + static ADDRESS_MAP_START( eag_map, AS_PROGRAM, 16, fidel68k_state ) AM_RANGE(0x000000, 0x01ffff) AM_ROM AM_RANGE(0x104000, 0x107fff) AM_RAM - AM_RANGE(0x200000, 0x2fffff) AM_RAM // DRAM slots AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_READWRITE8(eag_input1_r, eag_leds_w, 0x00ff) AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_WRITE8(eag_7seg_w, 0xff00) AM_READNOP AM_RANGE(0x400000, 0x407fff) AM_READ8(eag_cart_r, 0xff00) @@ -567,13 +576,17 @@ static MACHINE_CONFIG_START( eag, fidel68k_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz) MCFG_CPU_PROGRAM_MAP(eag_map) - MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess + MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz MCFG_NVRAM_ADD_1FILL("nvram") MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", fidelz80base_state, display_decay_tick, attotime::from_msec(1)) MCFG_DEFAULT_LAYOUT(layout_fidel_eag_68k) + MCFG_RAM_ADD("ram") + MCFG_RAM_DEFAULT_SIZE("1M") + MCFG_RAM_EXTRA_OPTIONS("128K, 512K, 1M") + /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) @@ -592,31 +605,33 @@ static MACHINE_CONFIG_DERIVED( eagv7, eag ) /* basic machine hardware */ MCFG_CPU_REPLACE("maincpu", M68020, XTAL_20MHz) MCFG_CPU_PROGRAM_MAP(eagv7_map) - MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess + MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz + + MCFG_RAM_REMOVE("ram") MACHINE_CONFIG_END -static MACHINE_CONFIG_DERIVED( eagv9, eag ) +static MACHINE_CONFIG_DERIVED( eagv9, eagv7 ) /* basic machine hardware */ MCFG_CPU_REPLACE("maincpu", M68030, XTAL_32MHz) MCFG_CPU_PROGRAM_MAP(eagv7_map) - MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess + MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz MACHINE_CONFIG_END -static MACHINE_CONFIG_DERIVED( eagv10, eag ) +static MACHINE_CONFIG_DERIVED( eagv10, eagv7 ) /* basic machine hardware */ MCFG_CPU_REPLACE("maincpu", M68040, XTAL_25MHz) MCFG_CPU_PROGRAM_MAP(eagv11_map) - MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess + MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz MACHINE_CONFIG_END -static MACHINE_CONFIG_DERIVED( eagv11, eag ) +static MACHINE_CONFIG_DERIVED( eagv11, eagv7 ) /* basic machine hardware */ MCFG_CPU_REPLACE("maincpu", M68EC040, XTAL_36MHz*2*2) // wrong! should be M68EC060 @ 72MHz MCFG_CPU_PROGRAM_MAP(eagv11_map) - MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, 600) // complete guess + MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz MACHINE_CONFIG_END @@ -632,10 +647,16 @@ ROM_START( fexcel68k ) // model 6094, PCB label 510.1120B01 ROM_END -ROM_START( feagv2 ) +ROM_START( feagv2 ) // from a V2 board + ROM_REGION16_BE( 0x20000, "maincpu", 0 ) + ROM_LOAD16_BYTE("6114_e5_yellow.u22", 0x00000, 0x10000, CRC(f9c7bada) SHA1(60e545f829121b9a4f1100d9e85ac83797715e80) ) // 27c512 + ROM_LOAD16_BYTE("6114_o5_green.u19", 0x00001, 0x10000, CRC(04f97b22) SHA1(8b2845dd115498f7b385e8948eca6a5893c223d1) ) // " +ROM_END + +ROM_START( feagv2a ) // from a V3 board ROM_REGION16_BE( 0x20000, "maincpu", 0 ) - ROM_LOAD16_BYTE("6114_e5.u18", 0x00000, 0x10000, CRC(f9c7bada) SHA1(60e545f829121b9a4f1100d9e85ac83797715e80) ) // 27c512 - ROM_LOAD16_BYTE("6114_o5.u19", 0x00001, 0x10000, CRC(04f97b22) SHA1(8b2845dd115498f7b385e8948eca6a5893c223d1) ) // " + ROM_LOAD16_BYTE("elite_1.6_e.u22", 0x00000, 0x10000, CRC(c8b89ccc) SHA1(d62e0a72f54b793ab8853468a81255b62f874658) ) + ROM_LOAD16_BYTE("elite_1.6_o.u19", 0x00001, 0x10000, CRC(904c7061) SHA1(742110576cf673321440bc81a4dae4c949b49e38) ) ROM_END ROM_START( feagv7 ) @@ -666,11 +687,12 @@ ROM_END Drivers ******************************************************************************/ -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY, FULLNAME, FLAGS */ -CONS( 1987, fexcel68k, 0, 0, fexcel68k, fexcel68k, driver_device, 0, "Fidelity Electronics", "Excel 68000", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY, FULLNAME, FLAGS */ +CONS( 1987, fexcel68k, 0, 0, fexcel68k, fexcel68k, driver_device, 0, "Fidelity Electronics", "Excel 68000", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) -CONS( 1989, feagv2, 0, 0, eag, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6114-2/3/4)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) -CONS( 1990, feagv7, feagv2, 0, eagv7, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-7)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) -CONS( 1990, feagv9, feagv2, 0, eagv9, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-9)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) -CONS( 1990, feagv10, feagv2, 0, eagv10, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-10)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) -CONS( 2002, feagv11, feagv2, 0, eagv11, eag, driver_device, 0, "hack (Wilfried Bucke)", "Elite Avant Garde (model 6117-11)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1989, feagv2, 0, 0, eag, eag, fidel68k_state, eag, "Fidelity Electronics", "Elite Avant Garde (model 6114-2/3/4, set 1)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1989, feagv2a, feagv2, 0, eag, eag, fidel68k_state, eag, "Fidelity Electronics", "Elite Avant Garde (model 6114-2/3/4, set 2)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1990, feagv7, feagv2, 0, eagv7, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-7)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1990, feagv9, feagv2, 0, eagv9, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-9)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1990, feagv10, feagv2, 0, eagv10, eag, driver_device, 0, "Fidelity Electronics", "Elite Avant Garde (model 6117-10)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) +CONS( 2002, feagv11, feagv2, 0, eagv11, eag, driver_device, 0, "hack (Wilfried Bucke)", "Elite Avant Garde (model 6117-11)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) |