/*************************************************************************** Commodore Amiga - (c) 1985, Commodore Business Machines Co. Preliminary driver by: Ernesto Corvi Note 1: The 'fast-mem' memory detector in Kickstart 1.2 expects to see the custom chips at the end of any present fast memory (mapped from $C00000 onwards). I assume this is a bug, given that the routine was entirely rewritten for Kickstart 1.3. So the strategy is, for any machine that can run Kickstart 1.2 (a500,a1000 and a2000), we map a mirror of the custom chips right after any fast-mem we mapped. If we didn't map any, then we still put a mirror, but where fast-mem would commence ($C00000). ***************************************************************************/ /* Core includes */ #include "emu.h" #include "includes/amiga.h" /* Components */ #include "cpu/m68000/m68000.h" #include "cpu/m6502/m6502.h" #include "machine/6525tpi.h" #include "machine/6526cia.h" #include "machine/amigafdc.h" #include "machine/amigakbd.h" #include "machine/amigacd.h" #include "machine/amigacrt.h" #include "machine/msm6242.h" #include "machine/ctronics.h" #include "machine/nvram.h" #include "sound/cdda.h" /* Devices */ #include "imagedev/chd_cd.h" #include "imagedev/cartslot.h" class cdtv_state : public amiga_state { public: cdtv_state(const machine_config &mconfig, device_type type, const char *tag) : amiga_state(mconfig, type, tag) { } DECLARE_MACHINE_START(cdtv); DECLARE_MACHINE_RESET(cdtv); }; static DECLARE_READ8_DEVICE_HANDLER( amiga_cia_0_portA_r ); static DECLARE_READ8_DEVICE_HANDLER( amiga_cia_0_cdtv_portA_r ); static DECLARE_WRITE8_DEVICE_HANDLER( amiga_cia_0_portA_w ); /*************************************************************************** Battery Backed-Up Clock (MSM6264) ***************************************************************************/ static READ16_HANDLER( amiga_clock_r ) { msm6242_device *rtc = space.machine().device("rtc"); return rtc->read(space,offset / 2); } static WRITE16_HANDLER( amiga_clock_w ) { msm6242_device *rtc = space.machine().device("rtc"); rtc->write(space,offset / 2, data); } /*************************************************************************** CENTRONICS PORT ***************************************************************************/ static READ8_DEVICE_HANDLER( amiga_cia_1_porta_r ) { centronics_device *centronics = space.machine().device("centronics"); UINT8 result = 0; /* centronics status is stored in PA0 to PA2 */ result |= centronics->busy_r() << 0; result |= !centronics->pe_r() << 1; result |= centronics->vcc_r() << 2; /* PA3 to PA7 store the serial line status (not emulated) */ return result; } static const centronics_interface amiga_centronics_config = { DEVCB_DEVICE_LINE("cia_0", mos6526_flag_w), DEVCB_NULL, DEVCB_NULL }; /*************************************************************************** Address maps ***************************************************************************/ static ADDRESS_MAP_START(amiga_mem, AS_PROGRAM, 16, amiga_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x000000, 0x07ffff) AM_MIRROR(0x80000) AM_RAMBANK("bank1") AM_SHARE("chip_ram") AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) AM_RANGE(0xc00000, 0xc7ffff) AM_RAM /* slow-mem */ AM_RANGE(0xc80000, 0xcfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) /* see Note 1 above */ AM_RANGE(0xdf0000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") /* Custom Chips */ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) AM_RANGE(0xf80000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM - mirror */ ADDRESS_MAP_END static ADDRESS_MAP_START(keyboard_mem, AS_PROGRAM, 8, amiga_state ) AM_RANGE(0x0000, 0x003f) AM_RAM /* internal user ram */ AM_RANGE(0x0040, 0x007f) AM_NOP /* unassigned */ AM_RANGE(0x0080, 0x0080) AM_NOP /* port a */ AM_RANGE(0x0081, 0x0081) AM_NOP /* port b */ AM_RANGE(0x0082, 0x0082) AM_NOP /* port c */ AM_RANGE(0x0083, 0x0083) AM_NOP /* port d */ AM_RANGE(0x0084, 0x0085) AM_NOP /* latch */ AM_RANGE(0x0086, 0x0087) AM_NOP /* count */ AM_RANGE(0x0088, 0x0088) AM_NOP /* upper latch & transfer latch to counter */ AM_RANGE(0x0089, 0x0089) AM_NOP /* clear pa0 pos edge detected */ AM_RANGE(0x008a, 0x008a) AM_NOP /* clear pa1 neg edge detected */ AM_RANGE(0x008b, 0x008e) AM_NOP /* unassigned */ AM_RANGE(0x008f, 0x008f) AM_NOP /* control register */ AM_RANGE(0x0090, 0x07ff) AM_NOP /* unassigned */ AM_RANGE(0x0800, 0x0fff) AM_ROM AM_REGION("keyboard", 0) /* internal mask rom */ ADDRESS_MAP_END /* * CDTV memory map (source: http://www.l8r.net/technical/cdtv-technical.html) * * 000000-0FFFFF Chip memory * 100000-1FFFFF Space for extra chip memory (Megachip) * 200000-9FFFFF Space for AutoConfig memory * A00000-BFFFFF CIA chips * C00000-C7FFFF Space for slow-fast memory * C80000-DBFFFF Space * DC0000-DC7FFF Power backed-up real time clock * DC8000-DC87FF Non-volatile RAM * DC8800-DCFFFF Space in non-volatile RAM decoded area * DD0000-DEFFFF Space * DF0000-DFFFFF Custom chips * E00000-E7FFFF Memory card address space for front panel memory card * E80000-E8FFFF AutoConfig configuration space * E90000-E9FFFF First AutoConfig device, used by DMAC * EA0000-EFFFFF Space for other AutoConfig devices * F00000-F3FFFF CDTV ROM * F40000-F7FFFF Space in CDTV ROM decoded area * F80000-FBFFFF Space in Kickstart ROM decoded area (used by Kickstart 2) * FC0000-FFFFFF Kickstart ROM * */ static ADDRESS_MAP_START(cdtv_mem, AS_PROGRAM, 16, amiga_state ) AM_RANGE(0x000000, 0x0fffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram") AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) AM_RANGE(0xdc0000, 0xdc003f) AM_READWRITE_LEGACY(amiga_clock_r, amiga_clock_w) AM_RANGE(0xdc8000, 0xdc87ff) AM_RAM AM_SHARE("nvram") AM_RANGE(0xdf0000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") /* Custom Chips */ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) AM_RANGE(0xf00000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* CDTV & System ROM */ ADDRESS_MAP_END static ADDRESS_MAP_START(cdtv_rcmcu_mem, AS_PROGRAM, 8, amiga_state ) AM_RANGE(0x0000, 0x003f) AM_RAM /* internal user ram */ AM_RANGE(0x0040, 0x007f) AM_NOP /* unassigned */ AM_RANGE(0x0080, 0x0080) AM_NOP /* port a */ AM_RANGE(0x0081, 0x0081) AM_NOP /* port b */ AM_RANGE(0x0082, 0x0082) AM_NOP /* port c */ AM_RANGE(0x0083, 0x0083) AM_NOP /* port d */ AM_RANGE(0x0084, 0x0085) AM_NOP /* latch */ AM_RANGE(0x0086, 0x0087) AM_NOP /* count */ AM_RANGE(0x0088, 0x0088) AM_NOP /* upper latch & transfer latch to counter */ AM_RANGE(0x0089, 0x0089) AM_NOP /* clear pa0 pos edge detected */ AM_RANGE(0x008a, 0x008a) AM_NOP /* clear pa1 neg edge detected */ AM_RANGE(0x008b, 0x008e) AM_NOP /* unassigned */ AM_RANGE(0x008f, 0x008f) AM_NOP /* control register */ AM_RANGE(0x0090, 0x07ff) AM_NOP /* unassigned */ AM_RANGE(0x0800, 0x0fff) AM_ROM AM_REGION("rcmcu", 0) /* internal mask rom */ ADDRESS_MAP_END static ADDRESS_MAP_START(a1000_mem, AS_PROGRAM, 16, amiga_state ) AM_RANGE(0x000000, 0x03ffff) AM_MIRROR(0xc0000) AM_RAMBANK("bank1") AM_SHARE("chip_ram") AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) AM_RANGE(0xc00000, 0xc3ffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) /* See Note 1 above */ AM_RANGE(0xdf0000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") /* Custom Chips */ AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) AM_RANGE(0xf80000, 0xfbffff) AM_ROM AM_REGION("user1", 0) /* Bootstrap ROM */ AM_RANGE(0xfc0000, 0xffffff) AM_RAMBANK("bank2") /* Writable Control Store RAM */ ADDRESS_MAP_END /*************************************************************************** Inputs ***************************************************************************/ static INPUT_PORTS_START( amiga_common ) PORT_START("input") PORT_CONFNAME( 0x20, 0x00, "Input Port 0 Device") PORT_CONFSETTING( 0x00, "Mouse" ) PORT_CONFSETTING( 0x20, DEF_STR(Joystick) ) PORT_CONFNAME( 0x10, 0x10, "Input Port 1 Device") PORT_CONFSETTING( 0x00, "Mouse" ) PORT_CONFSETTING( 0x10, DEF_STR(Joystick) ) PORT_START("CIA0PORTA") PORT_BIT( 0x3f, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_START("JOY0DAT") PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, amiga_state,amiga_joystick_convert, "P1JOY") PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("JOY1DAT") PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, amiga_state,amiga_joystick_convert, "P2JOY") PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("POTGO") PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0xaaff, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("P1JOY") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_START("P2JOY") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_START("P0MOUSEX") PORT_BIT( 0xff, 0x00, IPT_MOUSE_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(1) PORT_START("P0MOUSEY") PORT_BIT( 0xff, 0x00, IPT_MOUSE_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(1) PORT_START("P1MOUSEX") PORT_BIT( 0xff, 0x00, IPT_MOUSE_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(2) PORT_START("P1MOUSEY") PORT_BIT( 0xff, 0x00, IPT_MOUSE_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(2) INPUT_PORTS_END static INPUT_PORTS_START( amiga ) PORT_START("hardware") PORT_CONFNAME( 0x08, 0x08, "Battery backed-up RTC") PORT_CONFSETTING( 0x00, "Not Installed" ) PORT_CONFSETTING( 0x08, "Installed" ) PORT_INCLUDE( amiga_common ) INPUT_PORTS_END /* TODO: Support for the CDTV remote control */ static INPUT_PORTS_START( cdtv ) PORT_INCLUDE( amiga_common ) INPUT_PORTS_END /*************************************************************************** Machine drivers ***************************************************************************/ MACHINE_START_MEMBER(cdtv_state,cdtv) { MACHINE_START_CALL_LEGACY( amigacd ); } MACHINE_RESET_MEMBER(cdtv_state,cdtv) { MACHINE_RESET_CALL_MEMBER( amiga ); /* initialize the cdrom controller */ MACHINE_RESET_CALL_LEGACY( amigacd ); } static const legacy_mos6526_interface cia_0_ntsc_intf = { DEVCB_DEVICE_LINE("cia_0", amiga_cia_0_irq), /* irq_func */ DEVCB_DEVICE_LINE_MEMBER("centronics", centronics_device, strobe_w), /* pc_func */ DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_portA_r), DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_portA_w), /* port A */ DEVCB_NULL, DEVCB_DEVICE_MEMBER("centronics", centronics_device, write) /* port B */ }; static const legacy_mos6526_interface cia_0_pal_intf = { DEVCB_DEVICE_LINE("cia_0", amiga_cia_0_irq), /* irq_func */ DEVCB_DEVICE_LINE_MEMBER("centronics", centronics_device, strobe_w), /* pc_func */ DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_portA_r), DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_portA_w), /* port A */ DEVCB_NULL, DEVCB_DEVICE_MEMBER("centronics", centronics_device, write) /* port B */ }; static const legacy_mos6526_interface cia_1_intf = { DEVCB_DEVICE_LINE("cia_1", amiga_cia_1_irq), /* irq_func */ DEVCB_NULL, /* pc_func */ DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("centronics", amiga_cia_1_porta_r), DEVCB_NULL, /* port A */ DEVCB_NULL, DEVCB_DEVICE_MEMBER("fdc", amiga_fdc, ciaaprb_w) /* port B */ }; static const legacy_mos6526_interface cia_0_cdtv_intf = { DEVCB_DEVICE_LINE("cia_0", amiga_cia_0_irq), /* irq_func */ DEVCB_DEVICE_LINE_MEMBER("centronics", centronics_device, strobe_w), /* pc_func */ DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_cdtv_portA_r), DEVCB_DEVICE_HANDLER("cia_0", amiga_cia_0_portA_w), /* port A */ DEVCB_NULL, DEVCB_DEVICE_MEMBER("centronics", centronics_device, write) /* port B */ }; static const legacy_mos6526_interface cia_1_cdtv_intf = { DEVCB_DEVICE_LINE("cia_1", amiga_cia_1_irq), /* irq_func */ DEVCB_NULL, /* pc_func */ DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("centronics", amiga_cia_1_porta_r), DEVCB_NULL, /* port A */ DEVCB_NULL, DEVCB_NULL /* port B */ }; static const tpi6525_interface cdtv_tpi_intf = { DEVCB_DEVICE_LINE("tpi6525", amigacd_tpi6525_irq), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("tpi6525", amigacd_tpi6525_portb_w), DEVCB_DEVICE_HANDLER("tpi6525", amigacd_tpi6525_portc_r), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; static SLOT_INTERFACE_START( amiga_floppies ) SLOT_INTERFACE( "35dd", FLOPPY_35_DD ) SLOT_INTERFACE_END static MACHINE_CONFIG_FRAGMENT( amiga_cartslot ) MCFG_CARTSLOT_ADD("cart") MCFG_CARTSLOT_EXTENSION_LIST("rom,bin") MCFG_CARTSLOT_NOT_MANDATORY MACHINE_CONFIG_END static MSM6242_INTERFACE( amiga_rtc_intf ) { DEVCB_NULL }; static MACHINE_CONFIG_START( ntsc, amiga_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68000, AMIGA_68000_NTSC_CLOCK) MCFG_CPU_PROGRAM_MAP(amiga_mem) MCFG_CPU_ADD("keyboard", M6502, XTAL_1MHz) /* 1 MHz? */ MCFG_CPU_PROGRAM_MAP(keyboard_mem) MCFG_DEVICE_DISABLE() MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(59.997) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_MACHINE_RESET_OVERRIDE(amiga_state, amiga ) /* video hardware */ MCFG_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK) MCFG_SCREEN_SIZE(228*4, 262) MCFG_SCREEN_VISIBLE_AREA(214, (228*4)-1, 34, 262-1) MCFG_SCREEN_UPDATE_DRIVER(amiga_state, screen_update_amiga) MCFG_PALETTE_LENGTH(4096) MCFG_PALETTE_INIT_OVERRIDE(amiga_state, amiga ) MCFG_VIDEO_START_OVERRIDE(amiga_state,amiga) /* devices */ MCFG_MSM6242_ADD("rtc",amiga_rtc_intf) MCFG_CENTRONICS_PRINTER_ADD("centronics", amiga_centronics_config) /* sound hardware */ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") MCFG_SOUND_ADD("amiga", AMIGA, 3579545) MCFG_SOUND_ROUTE(0, "lspeaker", 0.50) MCFG_SOUND_ROUTE(1, "rspeaker", 0.50) MCFG_SOUND_ROUTE(2, "rspeaker", 0.50) MCFG_SOUND_ROUTE(3, "lspeaker", 0.50) /* cia */ MCFG_LEGACY_MOS8520_ADD("cia_0", AMIGA_68000_NTSC_CLOCK / 10, 60, cia_0_ntsc_intf) MCFG_LEGACY_MOS8520_ADD("cia_1", AMIGA_68000_NTSC_CLOCK, 0, cia_1_intf) /* fdc */ MCFG_AMIGA_FDC_ADD("fdc", AMIGA_68000_NTSC_CLOCK) MCFG_FLOPPY_DRIVE_ADD("fd0", amiga_floppies, "35dd", 0, amiga_fdc::floppy_formats) MCFG_FLOPPY_DRIVE_ADD("fd1", amiga_floppies, 0, 0, amiga_fdc::floppy_formats) MCFG_FLOPPY_DRIVE_ADD("fd2", amiga_floppies, 0, 0, amiga_fdc::floppy_formats) MCFG_FLOPPY_DRIVE_ADD("fd3", amiga_floppies, 0, 0, amiga_fdc::floppy_formats) MCFG_AMIGA_KEYBOARD_ADD("kbd") MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( a1000n, ntsc ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(a1000_mem) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( a500n, ntsc ) MCFG_FRAGMENT_ADD(amiga_cartslot) MACHINE_CONFIG_END struct cdrom_interface cdtv_cdrom = { "cdrom", NULL }; static MACHINE_CONFIG_DERIVED_CLASS( cdtv, ntsc, cdtv_state) MCFG_CPU_REPLACE("maincpu", M68000, CDTV_CLOCK_X1 / 4) MCFG_CPU_PROGRAM_MAP(cdtv_mem) MCFG_DEVICE_REMOVE("keyboard") MCFG_CPU_ADD("rcmcu", M6502, XTAL_1MHz) /* 1 MHz? */ MCFG_CPU_PROGRAM_MAP(cdtv_rcmcu_mem) MCFG_DEVICE_DISABLE() // MCFG_CPU_ADD("lcd", LC6554, XTAL_4MHz) /* 4 MHz? */ // MCFG_CPU_PROGRAM_MAP(cdtv_lcd_mem) MCFG_MACHINE_START_OVERRIDE(cdtv_state, cdtv ) MCFG_MACHINE_RESET_OVERRIDE(cdtv_state, cdtv ) MCFG_NVRAM_ADD_0FILL("nvram") MCFG_SOUND_ADD( "cdda", CDDA, 0 ) MCFG_SOUND_ROUTE( 0, "lspeaker", 1.0 ) MCFG_SOUND_ROUTE( 1, "rspeaker", 1.0 ) /* cdrom */ MCFG_CDROM_ADD( "cdrom", cdtv_cdrom) MCFG_SOFTWARE_LIST_ADD("cd_list", "cdtv") MCFG_TPI6525_ADD("tpi6525", cdtv_tpi_intf) /* cia */ MCFG_DEVICE_REMOVE("cia_0") MCFG_DEVICE_REMOVE("cia_1") MCFG_LEGACY_MOS8520_ADD("cia_0", CDTV_CLOCK_X1 / 40, 0, cia_0_cdtv_intf) MCFG_LEGACY_MOS8520_ADD("cia_1", CDTV_CLOCK_X1 / 4, 0, cia_1_cdtv_intf) /* fdc */ MCFG_DEVICE_MODIFY("fdc") MCFG_DEVICE_CLOCK(CDTV_CLOCK_X1 / 4) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( pal, ntsc ) /* adjust for PAL specs */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_CLOCK( AMIGA_68000_PAL_CLOCK) // Change the FDC clock too? MCFG_SCREEN_MODIFY("screen") MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_SIZE(228*4, 312) MCFG_SCREEN_VISIBLE_AREA(214, (228*4)-1, 34, 312-1) /* cia */ MCFG_DEVICE_REMOVE("cia_0") MCFG_LEGACY_MOS8520_ADD("cia_0", AMIGA_68000_PAL_CLOCK / 10, 50, cia_0_pal_intf) /* fdc */ MCFG_DEVICE_MODIFY("fdc") MCFG_DEVICE_CLOCK(AMIGA_68000_PAL_CLOCK) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( a500p, pal ) MCFG_FRAGMENT_ADD(amiga_cartslot) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( a1000p, pal ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(a1000_mem) MACHINE_CONFIG_END /*************************************************************************** Amiga specific stuff ***************************************************************************/ static READ8_DEVICE_HANDLER( amiga_cia_0_portA_r ) { UINT8 ret = space.machine().root_device().ioport("CIA0PORTA")->read() & 0xc0; /* Gameport 1 and 0 buttons */ ret |= space.machine().device("fdc")->ciaapra_r(); return ret; } static READ8_DEVICE_HANDLER( amiga_cia_0_cdtv_portA_r ) { return space.machine().root_device().ioport("CIA0PORTA")->read() & 0xc0; /* Gameport 1 and 0 buttons */ } static WRITE8_DEVICE_HANDLER( amiga_cia_0_portA_w ) { amiga_state *state = space.machine().driver_data(); /* switch banks as appropriate */ state->membank("bank1")->set_entry(data & 1); /* swap the write handlers between ROM and bank 1 based on the bit */ if ((data & 1) == 0) { UINT32 mirror_mask = state->m_chip_ram.bytes(); while( (mirror_mask<<1) < 0x100000 ) { mirror_mask |= ( mirror_mask << 1 ); } /* overlay disabled, map RAM on 0x000000 */ space.machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_bank(0x000000, state->m_chip_ram.bytes() - 1, 0, mirror_mask, "bank1"); /* if there is a cart region, check for cart overlay */ if (space.machine().root_device().memregion("user2")->base() != NULL) amiga_cart_check_overlay(space.machine()); } else /* overlay enabled, map Amiga system ROM on 0x000000 */ space.machine().device("maincpu")->memory().space(AS_PROGRAM).unmap_write(0x000000, state->m_chip_ram.bytes() - 1); set_led_status( space.machine(), 0, ( data & 2 ) ? 0 : 1 ); /* bit 2 = Power Led on Amiga */ output_set_value("power_led", ( data & 2 ) ? 0 : 1); } static UINT16 amiga_read_joy0dat(running_machine &machine) { if ( machine.root_device().ioport("input")->read() & 0x20 ) { /* Joystick */ return machine.root_device().ioport("JOY0DAT")->read_safe(0xffff); } else { /* Mouse */ int input; input = ( machine.root_device().ioport("P0MOUSEX")->read() & 0xff ); input |= ( machine.root_device().ioport("P0MOUSEY")->read() & 0xff ) << 8; return input; } } static UINT16 amiga_read_joy1dat(running_machine &machine) { if ( machine.root_device().ioport("input")->read() & 0x10 ) { /* Joystick */ return machine.root_device().ioport("JOY1DAT")->read_safe(0xffff); } else { /* Mouse */ int input; input = ( machine.root_device().ioport("P1MOUSEX")->read() & 0xff ); input |= ( machine.root_device().ioport("P1MOUSEY")->read() & 0xff ) << 8; return input; } } static void amiga_reset(running_machine &machine) { if (machine.root_device().ioport("hardware")->read() & 0x08) { /* Install RTC */ machine.device("maincpu")->memory().space(AS_PROGRAM).install_legacy_readwrite_handler(0xdc0000, 0xdc003f, FUNC(amiga_clock_r), FUNC(amiga_clock_w)); } else { /* No RTC support */ machine.device("maincpu")->memory().space(AS_PROGRAM).unmap_readwrite(0xdc0000, 0xdc003f); } } DRIVER_INIT_MEMBER(amiga_state,amiga) { static const amiga_machine_interface amiga_intf = { ANGUS_CHIP_RAM_MASK, amiga_read_joy0dat, amiga_read_joy1dat, /* joy0dat_r & joy1dat_r */ NULL, /* potgo_w */ NULL, /* serdat_w */ NULL, /* scanline0_callback */ amiga_reset, /* reset_callback */ amiga_cart_nmi, /* nmi_callback */ 0 /* flags */ }; amiga_machine_config(machine(), &amiga_intf); /* set up memory */ membank("bank1")->configure_entry(0, m_chip_ram); membank("bank1")->configure_entry(1, machine().root_device().memregion("user1")->base()); /* initialize cartridge (if present) */ amiga_cart_init(machine()); } #ifdef UNUSED_FUNCTION DRIVER_INIT_MEMBER(apollo_state,amiga_ecs) { static const amiga_machine_interface amiga_intf = { ECS_CHIP_RAM_MASK, amiga_cia_0_portA_r, NULL, /* CIA0 port A & B read */ amiga_cia_0_portA_w, NULL, /* CIA0 port A & B write */ NULL, NULL, /* CIA1 port A & B read */ NULL, amiga_fdc_control_w, /* CIA1 port A & B write */ amiga_read_joy0dat, amiga_read_joy1dat, /* joy0dat_r & joy1dat_r */ NULL, /* potgo_w */ NULL, /* serdat_w */ NULL, /* scanline0_callback */ amiga_reset, /* reset_callback */ amiga_cart_nmi, /* nmi_callback */ 0 /* flags */ }; amiga_machine_config(machine(), &amiga_intf); /* set up memory */ 1.root_device().membank(0)->configure_entries(1, m_chip_ram, 0); 1.root_device().membank(1)->configure_entries(1, machine().root_device().memregion("user1")->base(), 0); /* initialize Action Replay (if present) */ amiga_cart_init(machine()); } #endif DRIVER_INIT_MEMBER(amiga_state,cdtv) { static const amiga_machine_interface amiga_intf = { ECS_CHIP_RAM_MASK, amiga_read_joy0dat, amiga_read_joy1dat, /* joy0dat_r & joy1dat_r */ NULL, /* potgo_w */ NULL, /* serdat_w */ NULL, /* scanline0_callback */ NULL, /* reset_callback */ NULL, /* nmi_callback */ 0 /* flags */ }; amiga_machine_config(machine(), &amiga_intf); /* set up memory */ membank("bank1")->configure_entry(0, m_chip_ram); membank("bank1")->configure_entry(1, machine().root_device().memregion("user1")->base()); } /*************************************************************************** ROM DEFINITIONS ***************************************************************************/ ROM_START( a500n ) ROM_REGION16_BE(0x080000, "user1", 0) ROM_DEFAULT_BIOS("kick13") ROM_SYSTEM_BIOS(0, "kick12", "Kickstart 1.2 (33.180)") ROMX_LOAD("315093-01.u6", 0x000000, 0x040000, CRC(a6ce1636) SHA1(11f9e62cf299f72184835b7b2a70a16333fc0d88), ROM_GROUPWORD | ROM_BIOS(1)) ROM_SYSTEM_BIOS(1, "kick13", "Kickstart 1.3 (34.5)") ROMX_LOAD("315093-02.u6", 0x000000, 0x040000, CRC(c4f0f55f) SHA1(891e9a547772fe0c6c19b610baf8bc4ea7fcb785), ROM_GROUPWORD | ROM_BIOS(2)) ROM_COPY("user1", 0x000000, 0x040000, 0x040000) ROM_SYSTEM_BIOS(2, "kick204", "Kickstart 2.04 (37.175)") ROMX_LOAD("390979-01.u6", 0x000000, 0x080000, CRC(c3bdb240) SHA1(c5839f5cb98a7a8947065c3ed2f14f5f42e334a1), ROM_GROUPWORD | ROM_BIOS(3)) /* identical to 363968.01 */ ROM_SYSTEM_BIOS(3, "kick31", "Kickstart 3.1 (40.63)") ROMX_LOAD("kick40063.u6", 0x000000, 0x080000, CRC(fc24ae0d) SHA1(3b7f1493b27e212830f989f26ca76c02049f09ca), ROM_GROUPWORD | ROM_BIOS(4)) /* part number? */ /* action replay cartridge */ ROM_REGION16_BE(0x080000, "user2", ROMREGION_ERASEFF ) ROM_CART_LOAD("cart", 0x0000, 0x080000, ROM_NOMIRROR | ROM_OPTIONAL) /* keyboard controller, mos 6500/1 mcu */ ROM_REGION(0x800, "keyboard", 0) ROM_LOAD("328191-02.ic1", 0x000, 0x800, NO_DUMP) ROM_END #define rom_a500p rom_a500n ROM_START( a1000n ) ROM_REGION16_BE(0x080000, "user1", 0) ROM_LOAD16_BYTE("252179-01.u5n", 0x000000, 0x001000, CRC(42553bc4) SHA1(8855a97f7a44e3f62d1c88d938fee1f4c606af5b)) ROM_LOAD16_BYTE("252180-01.u5p", 0x000001, 0x001000, CRC(8e5b9a37) SHA1(d10f1564b99f5ffe108fa042362e877f569de2c3)) /* keyboard controller, mos 6500/1 mcu */ ROM_REGION(0x800, "keyboard", 0) ROM_LOAD("328191-01.bin", 0x000, 0x800, NO_DUMP) ROM_END #define rom_a1000p rom_a1000n ROM_START( cdtv ) ROM_REGION16_BE(0x100000, "user1", 0) ROM_LOAD16_BYTE("391008-01.u34", 0x000000, 0x020000, CRC(791cb14b) SHA1(277a1778924496353ffe56be68063d2a334360e4)) ROM_LOAD16_BYTE("391009-01.u35", 0x000001, 0x020000, CRC(accbbc2e) SHA1(41b06d1679c6e6933c3378b7626025f7641ebc5c)) ROM_COPY("user1", 0x000000, 0x040000, 0x040000) ROMX_LOAD( "315093-02.u13", 0x080000, 0x040000, CRC(c4f0f55f) SHA1(891e9a547772fe0c6c19b610baf8bc4ea7fcb785), ROM_GROUPWORD) ROM_COPY("user1", 0x080000, 0x0c0000, 0x040000) /* remote control input converter, mos 6500/1 mcu */ ROM_REGION(0x800, "rcmcu", 0) ROM_LOAD("252609-02.u75", 0x000, 0x800, NO_DUMP) /* lcd controller, sanyo lc6554h */ ROM_REGION(0x1000, "lcd", 0) ROM_LOAD("252608-01.u62", 0x000, 0x1000, NO_DUMP) ROM_END /*************************************************************************** GAME DRIVERS ***************************************************************************/ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1985, a1000n, 0, 0, a1000n, amiga, amiga_state, amiga, "Commodore Business Machines", "Amiga 1000 (NTSC)", GAME_IMPERFECT_GRAPHICS ) COMP( 1985, a1000p, a1000n, 0, a1000p, amiga, amiga_state, amiga, "Commodore Business Machines", "Amiga 1000 (PAL)", GAME_IMPERFECT_GRAPHICS ) COMP( 1987, a500n, 0, 0, a500n, amiga, amiga_state, amiga, "Commodore Business Machines", "Amiga 500 (NTSC, OCS)", GAME_IMPERFECT_GRAPHICS ) COMP( 1987, a500p, a500n, 0, a500p, amiga, amiga_state, amiga, "Commodore Business Machines", "Amiga 500 (PAL, OCS)", GAME_IMPERFECT_GRAPHICS ) COMP( 1991, cdtv, 0, 0, cdtv, cdtv, amiga_state, cdtv, "Commodore Business Machines", "CDTV (NTSC)", GAME_IMPERFECT_GRAPHICS )