diff options
Diffstat (limited to 'trunk/src/mame/drivers/alg.c')
-rw-r--r-- | trunk/src/mame/drivers/alg.c | 840 |
1 files changed, 840 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/alg.c b/trunk/src/mame/drivers/alg.c new file mode 100644 index 00000000000..cbf25cbf12a --- /dev/null +++ b/trunk/src/mame/drivers/alg.c @@ -0,0 +1,840 @@ +/************************************************************************************** + + American Laser Game Hardware + + Amiga 500 + sony ldp1450 laserdisc palyer + + Games Supported: + + Mad Dog McCree [3 versions] + Who Shot Johnny Rock? [2 versions] + Mad Dog II: The Lost Gold [2 versions] + Space Pirates + Gallagher's Gallery + Crime Patrol + Crime Patrol 2: Drug Wars [2 versions] + The Last Bounty Hunter + Fast Draw Showdown + Platoon + Zorton Brothers (Los Justicieros) + +**************************************************************************************/ + +#include "emu.h" +#include "cpu/m68000/m68000.h" +#include "render.h" +#include "includes/amiga.h" +#include "machine/ldstub.h" +#include "machine/6526cia.h" +#include "machine/nvram.h" +#include "machine/amigafdc.h" + + +class alg_state : public amiga_state +{ +public: + alg_state(const machine_config &mconfig, device_type type, const char *tag) + : amiga_state(mconfig, type, tag), + m_laserdisc(*this, "laserdisc") { } + + + required_device<sony_ldp1450_device> m_laserdisc; + emu_timer *m_serial_timer; + UINT8 m_serial_timer_active; + UINT16 m_input_select; + DECLARE_CUSTOM_INPUT_MEMBER(lightgun_pos_r); + DECLARE_CUSTOM_INPUT_MEMBER(lightgun_trigger_r); + DECLARE_CUSTOM_INPUT_MEMBER(lightgun_holster_r); +}; + +static TIMER_CALLBACK( response_timer ); + + + +/************************************* + * + * Lightgun reading + * + *************************************/ + +static int get_lightgun_pos(screen_device &screen, int player, int *x, int *y) +{ + const rectangle &visarea = screen.visible_area(); + + int xpos = screen.machine().root_device().ioport((player == 0) ? "GUN1X" : "GUN2X")->read_safe(0xffffffff); + int ypos = screen.machine().root_device().ioport((player == 0) ? "GUN1Y" : "GUN2Y")->read_safe(0xffffffff); + + if (xpos == -1 || ypos == -1) + return FALSE; + + *x = visarea.min_x + xpos * visarea.width() / 255; + *y = visarea.min_y + ypos * visarea.height() / 255; + return TRUE; +} + + + +/************************************* + * + * Video startup + * + *************************************/ + +static VIDEO_START( alg ) +{ + /* standard video start */ + VIDEO_START_CALL(amiga); + + /* configure pen 4096 as transparent in the renderer and use it for the genlock color */ + palette_set_color(machine, 4096, MAKE_ARGB(0,0,0,0)); + amiga_set_genlock_color(machine, 4096); +} + + + +/************************************* + * + * Machine start/reset + * + *************************************/ + +static MACHINE_START( alg ) +{ + alg_state *state = machine.driver_data<alg_state>(); + + state->m_serial_timer = machine.scheduler().timer_alloc(FUNC(response_timer)); + state->m_serial_timer_active = FALSE; +} + + +static MACHINE_RESET( alg ) +{ + MACHINE_RESET_CALL(amiga); +} + + + +/************************************* + * + * Laserdisc communication + * + *************************************/ + +static TIMER_CALLBACK( response_timer ) +{ + alg_state *state = machine.driver_data<alg_state>(); + + /* if we still have data to send, do it now */ + if (state->m_laserdisc->data_available_r() == ASSERT_LINE) + { + UINT8 data = state->m_laserdisc->data_r(); + if (data != 0x0a) + mame_printf_debug("Sending serial data = %02X\n", data); + amiga_serial_in_w(machine, data); + } + + /* if there's more to come, set another timer */ + if (state->m_laserdisc->data_available_r() == ASSERT_LINE) + state->m_serial_timer->adjust(amiga_get_serial_char_period(machine)); + else + state->m_serial_timer_active = FALSE; +} + + +static void vsync_callback(running_machine &machine) +{ + alg_state *state = machine.driver_data<alg_state>(); + + /* if we have data available, set a timer to read it */ + if (!state->m_serial_timer_active && state->m_laserdisc->data_available_r() == ASSERT_LINE) + { + state->m_serial_timer->adjust(amiga_get_serial_char_period(machine)); + state->m_serial_timer_active = TRUE; + } +} + + +static void serial_w(running_machine &machine, UINT16 data) +{ + alg_state *state = machine.driver_data<alg_state>(); + + /* write to the laserdisc player */ + state->m_laserdisc->data_w(data & 0xff); + + /* if we have data available, set a timer to read it */ + if (!state->m_serial_timer_active && state->m_laserdisc->data_available_r() == ASSERT_LINE) + { + state->m_serial_timer->adjust(amiga_get_serial_char_period(machine)); + state->m_serial_timer_active = TRUE; + } +} + + + +/************************************* + * + * I/O ports + * + *************************************/ + +static void alg_potgo_w(running_machine &machine, UINT16 data) +{ + alg_state *state = machine.driver_data<alg_state>(); + + /* bit 15 controls whether pin 9 is input/output */ + /* bit 14 controls the value, which selects which player's controls to read */ + state->m_input_select = (data & 0x8000) ? ((data >> 14) & 1) : 0; +} + + +CUSTOM_INPUT_MEMBER(alg_state::lightgun_pos_r) +{ + int x = 0, y = 0; + + /* get the position based on the input select */ + get_lightgun_pos(*machine().primary_screen, m_input_select, &x, &y); + return (y << 8) | (x >> 2); +} + + +CUSTOM_INPUT_MEMBER(alg_state::lightgun_trigger_r) +{ + + /* read the trigger control based on the input select */ + return (ioport("TRIGGERS")->read() >> m_input_select) & 1; +} + + +CUSTOM_INPUT_MEMBER(alg_state::lightgun_holster_r) +{ + + /* read the holster control based on the input select */ + return (ioport("TRIGGERS")->read() >> (2 + m_input_select)) & 1; +} + + + +/************************************* + * + * CIA port accesses + * + *************************************/ + +static WRITE8_DEVICE_HANDLER( alg_cia_0_porta_w ) +{ + address_space *space = device->machine().device("maincpu")->memory().space(AS_PROGRAM); + + /* switch banks as appropriate */ + device->machine().root_device().membank("bank1")->set_entry(data & 1); + + /* swap the write handlers between ROM and bank 1 based on the bit */ + if ((data & 1) == 0) + /* overlay disabled, map RAM on 0x000000 */ + space->install_write_bank(0x000000, 0x07ffff, "bank1"); + + else + /* overlay enabled, map Amiga system ROM on 0x000000 */ + space->unmap_write(0x000000, 0x07ffff); +} + + +static READ8_DEVICE_HANDLER( alg_cia_0_porta_r ) +{ + return device->machine().root_device().ioport("FIRE")->read() | 0x3f; +} + + +static READ8_DEVICE_HANDLER( alg_cia_0_portb_r ) +{ + logerror("%s:alg_cia_0_portb_r\n", device->machine().describe_context()); + return 0xff; +} + + +static WRITE8_DEVICE_HANDLER( alg_cia_0_portb_w ) +{ + /* parallel port */ + logerror("%s:alg_cia_0_portb_w(%02x)\n", device->machine().describe_context(), data); +} + + +static READ8_DEVICE_HANDLER( alg_cia_1_porta_r ) +{ + logerror("%s:alg_cia_1_porta_r\n", device->machine().describe_context()); + return 0xff; +} + + +static WRITE8_DEVICE_HANDLER( alg_cia_1_porta_w ) +{ + logerror("%s:alg_cia_1_porta_w(%02x)\n", device->machine().describe_context(), data); +} + + + +/************************************* + * + * Memory map + * + *************************************/ + +static ADDRESS_MAP_START( main_map_r1, AS_PROGRAM, 16, alg_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram") + AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) + AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") + AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) + AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */ + + AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ + AM_RANGE(0xf54000, 0xf55fff) AM_RAM AM_SHARE("nvram") +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( main_map_r2, AS_PROGRAM, 16, alg_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram") + AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) + AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") + AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) + AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */ + + AM_RANGE(0xf00000, 0xf3ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ + AM_RANGE(0xf7c000, 0xf7dfff) AM_RAM AM_SHARE("nvram") +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( main_map_picmatic, AS_PROGRAM, 16, alg_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x000000, 0x07ffff) AM_RAMBANK("bank1") AM_SHARE("chip_ram") + AM_RANGE(0xbfd000, 0xbfefff) AM_READWRITE_LEGACY(amiga_cia_r, amiga_cia_w) + AM_RANGE(0xc00000, 0xdfffff) AM_READWRITE_LEGACY(amiga_custom_r, amiga_custom_w) AM_SHARE("custom_regs") + AM_RANGE(0xe80000, 0xe8ffff) AM_READWRITE_LEGACY(amiga_autoconfig_r, amiga_autoconfig_w) + AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("user1", 0) /* System ROM */ + + AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ + AM_RANGE(0xf40000, 0xf41fff) AM_RAM AM_SHARE("nvram") +ADDRESS_MAP_END + + + +/************************************* + * + * Input ports + * + *************************************/ + +static INPUT_PORTS_START( alg ) + PORT_START("JOY0DAT") /* read by Amiga core */ + PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,amiga_joystick_convert, "P1JOY") + PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + + PORT_START("JOY1DAT") /* read by Amiga core */ + PORT_BIT( 0x0303, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,amiga_joystick_convert, "P2JOY") + PORT_BIT( 0xfcfc, IP_ACTIVE_HIGH, IPT_UNKNOWN ) + + PORT_START("POTGO") /* read by Amiga core */ + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0xaaff, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("HVPOS") /* read by Amiga core */ + PORT_BIT( 0x1ffff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_pos_r, NULL) + + PORT_START("FIRE") + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("P1JOY") /* referenced by JOY0DAT */ + PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_HIGH ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN2 ) + + PORT_START("P2JOY") /* referenced by JOY1DAT */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("GUN1X") /* referenced by lightgun_pos_r */ + PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(1) + + PORT_START("GUN1Y") /* referenced by lightgun_pos_r */ + PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(1) +INPUT_PORTS_END + + +static INPUT_PORTS_START( alg_2p ) + PORT_INCLUDE(alg) + + PORT_MODIFY("POTGO") + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_trigger_r, NULL) + + PORT_MODIFY("FIRE") + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_MODIFY("P2JOY") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, alg_state,lightgun_holster_r, NULL) + + PORT_START("GUN2X") /* referenced by lightgun_pos_r */ + PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_PLAYER(2) + + PORT_START("GUN2Y") /* referenced by lightgun_pos_r */ + PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(2) + + PORT_START("TRIGGERS") /* referenced by lightgun_trigger_r and lightgun_holster_r */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) +INPUT_PORTS_END + + + +/************************************* + * + * Machine driver + * + *************************************/ + +static const mos6526_interface cia_0_intf = +{ + 0, /* tod_clock */ + DEVCB_LINE(amiga_cia_0_irq), /* irq_func */ + DEVCB_NULL, /* pc_func */ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_HANDLER(alg_cia_0_porta_r), + DEVCB_HANDLER(alg_cia_0_porta_w), /* port A */ + DEVCB_HANDLER(alg_cia_0_portb_r), + DEVCB_HANDLER(alg_cia_0_portb_w) /* port B */ +}; + +static const mos6526_interface cia_1_intf = +{ + 0, /* tod_clock */ + DEVCB_LINE(amiga_cia_1_irq), /* irq_func */ + DEVCB_NULL, /* pc_func */ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_HANDLER(alg_cia_1_porta_r), + DEVCB_HANDLER(alg_cia_1_porta_w), /* port A */ + DEVCB_NULL, + DEVCB_NULL /* port B */ +}; + +static MACHINE_CONFIG_START( alg_r1, alg_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M68000, AMIGA_68000_NTSC_CLOCK) + MCFG_CPU_PROGRAM_MAP(main_map_r1) + + MCFG_MACHINE_START(alg) + MCFG_MACHINE_RESET(alg) + MCFG_NVRAM_ADD_0FILL("nvram") + + MCFG_LASERDISC_LDP1450_ADD("laserdisc") + MCFG_LASERDISC_OVERLAY_STATIC(512*2, 262, amiga) + MCFG_LASERDISC_OVERLAY_CLIP((129-8)*2, (449+8-1)*2, 44-8, 244+8-1) + + /* video hardware */ + MCFG_LASERDISC_SCREEN_ADD_NTSC("screen", "laserdisc") + MCFG_SCREEN_REFRESH_RATE(59.997) + MCFG_SCREEN_SIZE(512*2, 262) + MCFG_SCREEN_VISIBLE_AREA((129-8)*2, (449+8-1)*2, 44-8, 244+8-1) + + MCFG_PALETTE_LENGTH(4097) + MCFG_PALETTE_INIT(amiga) + + MCFG_VIDEO_START(alg) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") + + MCFG_SOUND_ADD("amiga", AMIGA, 3579545) + MCFG_SOUND_ROUTE(0, "lspeaker", 0.25) + MCFG_SOUND_ROUTE(1, "rspeaker", 0.25) + MCFG_SOUND_ROUTE(2, "rspeaker", 0.25) + MCFG_SOUND_ROUTE(3, "lspeaker", 0.25) + + MCFG_SOUND_MODIFY("laserdisc") + MCFG_SOUND_ROUTE(0, "lspeaker", 1.0) + MCFG_SOUND_ROUTE(1, "rspeaker", 1.0) + + /* cia */ + MCFG_MOS8520_ADD("cia_0", AMIGA_68000_NTSC_CLOCK / 10, cia_0_intf) + MCFG_MOS8520_ADD("cia_1", AMIGA_68000_NTSC_CLOCK / 10, cia_1_intf) + + /* fdc */ + MCFG_AMIGA_FDC_ADD("fdc", AMIGA_68000_NTSC_CLOCK) +MACHINE_CONFIG_END + + +static MACHINE_CONFIG_DERIVED( alg_r2, alg_r1 ) + + MCFG_CPU_MODIFY("maincpu") + MCFG_CPU_PROGRAM_MAP(main_map_r2) +MACHINE_CONFIG_END + + +static MACHINE_CONFIG_DERIVED( picmatic, alg_r1 ) + + /* adjust for PAL specs */ + MCFG_CPU_REPLACE("maincpu", M68000, AMIGA_68000_PAL_CLOCK) + MCFG_CPU_PROGRAM_MAP(main_map_picmatic) + + MCFG_SCREEN_MODIFY("screen") + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_SIZE(512*2, 312) + MCFG_SCREEN_VISIBLE_AREA((129-8)*2, (449+8-1)*2, 44-8, 300+8-1) +MACHINE_CONFIG_END + + + +/************************************* + * + * BIOS definitions + * + *************************************/ + +#define ROM_LOAD16_WORD_BIOS(bios,name,offset,length,hash) ROMX_LOAD(name, offset, length, hash, ROM_BIOS(bios+1)) + +#define ALG_BIOS \ + ROM_REGION16_BE( 0x80000, "user1", 0 ) \ + ROM_SYSTEM_BIOS( 0, "Kick1.3", "Kickstart 1.3") \ + ROM_LOAD16_WORD_BIOS(0, "kick13.rom", 0x000000, 0x40000, CRC(c4f0f55f) SHA1(891e9a547772fe0c6c19b610baf8bc4ea7fcb785)) \ + ROM_COPY( "user1", 0x000000, 0x040000, 0x040000 ) + + + +/************************************* +* +* ROM definitions +* +*************************************/ + +/* BIOS */ +ROM_START( alg_bios ) + ALG_BIOS + + ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF ) +ROM_END + + +/* Rev. A board */ +/* PAL R1 */ +ROM_START( maddoga ) + ALG_BIOS + + ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "maddog_01.dat", 0x000000, 0x10000, CRC(04572557) SHA1(3dfe2ce94ced8701a3e73ed5869b6fbe1c8b3286) ) + ROM_LOAD16_BYTE( "maddog_02.dat", 0x000001, 0x10000, CRC(f64014ec) SHA1(d343a2cb5d8992153b8c916f39b11d3db736543d)) + + DISK_REGION( "laserdisc" ) + DISK_IMAGE_READONLY( "maddog", 0, NO_DUMP ) +ROM_END + + +/* PAL R3 */ +ROM_START( wsjr ) /* 1.6 */ + ALG_BIOS + + ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "johnny_01.bin", 0x000000, 0x10000, CRC(edde1745) SHA1(573b79f8808fedaabf3b762350a915792d26c1bc) ) + ROM_LOAD16_BYTE( "johnny_02.bin", 0x000001, 0x10000, CRC(046569b3) SHA1(efe5a8b2be1c555695f2a91c88951d3545f1b915) ) +ROM_END + +ROM_START( wsjr15 ) /* 1.5 */ + ALG_BIOS + + ROM_REGION( 0x20000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "wsjr151.bin", 0x000000, 0x10000, CRC(9beeb1d7) SHA1(3fe0265e5d36103d3d9557d75e5e3728e0b30da7) ) + ROM_LOAD16_BYTE( "wsjr152.bin", 0x000001, 0x10000, CRC(8ab626dd) SHA1(e45561f77fc279b71dc1dd2e15a0870cb5c1cd89) ) +ROM_END + + +//REV.B +ROM_START( maddog ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "md_2.03_1.bin", 0x000000, 0x20000, CRC(6f5b8f2d) SHA1(bbf32bb27a998d53744411d75efdbdb730855809) ) + ROM_LOAD16_BYTE( "md_2.03_2.bin", 0x000001, 0x20000, CRC(a50d3c04) SHA1(4cf100fdb5b2f2236539fd0ec33b3db19c64a6b8) ) + + DISK_REGION( "laserdisc" ) + DISK_IMAGE_READONLY( "maddog", 0, NO_DUMP ) +ROM_END + + +ROM_START( maddog2 ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "md2_01_v.2.04.bin", 0x000000, 0x20000, CRC(0e1227f4) SHA1(bfd9081bb7d2bcbb77357839f292ce6136e9b228) ) + ROM_LOAD16_BYTE( "md2_02_v.2.04.bin", 0x000001, 0x20000, CRC(361bd99c) SHA1(5de6ef38e334e19f509227de7880306ac984ec23) ) +ROM_END + +ROM_START( maddog22 ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "md2_01.bin", 0x000000, 0x20000, CRC(4092227f) SHA1(6e5393aa5e64b59887260f483c50960084de7bd1) ) + ROM_LOAD16_BYTE( "md2_02.bin", 0x000001, 0x20000, CRC(addffa51) SHA1(665e9d93ddfa6b2ea5d006b41bf7eac3294244cc) ) +ROM_END + +ROM_START( maddog21 ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "md2_1.0_1.bin", 0x000000, 0x20000, CRC(97272a1d) SHA1(109014647c491f019ffb21091c7d0b89e1755b75) ) + ROM_LOAD16_BYTE( "md2_1.0_2.bin", 0x000001, 0x20000, CRC(0ce8db97) SHA1(dd4c09db59bb8c6caba935b1b28babe28ba8516b) ) +ROM_END + + +ROM_START( spacepir ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "sp_02.dat", 0x000000, 0x20000, CRC(10d162a2) SHA1(26833d5be1057be8639c00a7be18be33404ea751) ) + ROM_LOAD16_BYTE( "sp_01.dat", 0x000001, 0x20000, CRC(c0975188) SHA1(fd7643dc972e7861249ab7e76199975984888ae4) ) +ROM_END + + +ROM_START( gallgall ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "gg_1.dat", 0x000000, 0x20000, CRC(3793b211) SHA1(dccb1d9c5e2d6a4d249426ae6348e9fc9b72e665) ) + ROM_LOAD16_BYTE( "gg_2.dat", 0x000001, 0x20000, CRC(855c9d82) SHA1(96711aaa02f309cacd3e8d8efbe95cfc811aba96) ) +ROM_END + + +ROM_START( crimepat ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "cp02.dat", 0x000000, 0x20000, CRC(a39a8b50) SHA1(55ca317ef13c3a42f12d68c480e6cc2d4459f6a4) ) + ROM_LOAD16_BYTE( "cp01.dat", 0x000001, 0x20000, CRC(e41fd2e8) SHA1(1cd9875fb4133ba4e3616271975dc736b343f156) ) +ROM_END + + +ROM_START( crimep2 ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "cp2_1.3_1.bin", 0x000000, 0x20000, CRC(e653395d) SHA1(8f6c86d98a52b7d85ae285fd841167cd07979318) ) + ROM_LOAD16_BYTE( "cp2_1.3_2.bin", 0x000001, 0x20000, CRC(dbdaa79a) SHA1(998044909d5c93e3bd1baafefab818fdb7b3f55e) ) +ROM_END + +ROM_START( crimep211 ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "cp2_1.dat", 0x000000, 0x20000, CRC(47879042) SHA1(8bb6c541e4e8e4508da8d4b93600176a2e7a1f41) ) + ROM_LOAD16_BYTE( "cp2_2.dat", 0x000001, 0x20000, CRC(f4e5251e) SHA1(e0c91343a98193d487c40e7a85f542b2a7a88f03) ) +ROM_END + + +ROM_START( lastbh ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "bounty_01.bin", 0x000000, 0x20000, CRC(977566b2) SHA1(937e079e992ecb5930b17c1024c326e10962642b) ) + ROM_LOAD16_BYTE( "bounty_02.bin", 0x000001, 0x20000, CRC(2727ef1d) SHA1(f53421390b65c21a7666ff9d0f53ebf2a463d836) ) +ROM_END + + +ROM_START( fastdraw ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "fast_01.bin", 0x000000, 0x20000, CRC(4c4eb71e) SHA1(3bd487c546b6c80770a5fc880dcb10395ca431a2) ) + ROM_LOAD16_BYTE( "fast_02.bin", 0x000001, 0x20000, CRC(0d76a2da) SHA1(d396371ae1b9b0b6e6bc6f1f85c4b97bfc5dc34d) ) +ROM_END + + +ROM_START( aplatoon ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "platoonv4u1.bin", 0x000000, 0x20000, CRC(8b33263e) SHA1(a1df38236321af90b522e2a783984fdf02e4c597) ) + ROM_LOAD16_BYTE( "platoonv4u2.bin", 0x000001, 0x20000, CRC(09a133cf) SHA1(9b3ff63035be8576c88fb284a25c2da5db0d5160) ) +ROM_END + + +ROM_START( zortonbr ) + ALG_BIOS + + ROM_REGION( 0x40000, "user2", ROMREGION_ERASEFF ) + ROM_LOAD16_BYTE( "zb_u2.bin", 0x000000, 0x10000, CRC(938b25cb) SHA1(d0114bbc588dcfce6a469013d0e35afb93e38af5) ) + ROM_LOAD16_BYTE( "zb_u3.bin", 0x000001, 0x10000, CRC(f59cfc4a) SHA1(9fadf7f1e23d6b4e828bf2b3de919d087c690a3f) ) +ROM_END + + + +/************************************* + * + * Generic driver init + * + *************************************/ + +static void alg_init(running_machine &machine) +{ + alg_state *state = machine.driver_data<alg_state>(); + static const amiga_machine_interface alg_intf = + { + ANGUS_CHIP_RAM_MASK, + NULL, NULL, alg_potgo_w, + serial_w, + + vsync_callback, + NULL, + NULL, + 0 + }; + amiga_machine_config(machine, &alg_intf); + + /* set up memory */ + state->membank("bank1")->configure_entry(0, state->m_chip_ram); + state->membank("bank1")->configure_entry(1, machine.root_device().memregion("user1")->base()); +} + + + +/************************************* + * + * Per-game decryption + * + *************************************/ + +static DRIVER_INIT( palr1 ) +{ + UINT32 length = machine.root_device().memregion("user2")->bytes(); + UINT8 *rom = machine.root_device().memregion("user2")->base(); + UINT8 *original = auto_alloc_array(machine, UINT8, length); + UINT32 srcaddr; + + memcpy(original, rom, length); + for (srcaddr = 0; srcaddr < length; srcaddr++) + { + UINT32 dstaddr = srcaddr; + if (srcaddr & 0x2000) dstaddr ^= 0x1000; + if (srcaddr & 0x8000) dstaddr ^= 0x4000; + rom[dstaddr] = original[srcaddr]; + } + auto_free(machine, original); + + alg_init(machine); +} + +static DRIVER_INIT( palr3 ) +{ + UINT32 length = machine.root_device().memregion("user2")->bytes(); + UINT8 *rom = machine.root_device().memregion("user2")->base(); + UINT8 *original = auto_alloc_array(machine, UINT8, length); + UINT32 srcaddr; + + memcpy(original, rom, length); + for (srcaddr = 0; srcaddr < length; srcaddr++) + { + UINT32 dstaddr = srcaddr; + if (srcaddr & 0x2000) dstaddr ^= 0x1000; + rom[dstaddr] = original[srcaddr]; + } + auto_free(machine, original); + + alg_init(machine); +} + +static DRIVER_INIT( palr6 ) +{ + UINT32 length = machine.root_device().memregion("user2")->bytes(); + UINT8 *rom = machine.root_device().memregion("user2")->base(); + UINT8 *original = auto_alloc_array(machine, UINT8, length); + UINT32 srcaddr; + + memcpy(original, rom, length); + for (srcaddr = 0; srcaddr < length; srcaddr++) + { + UINT32 dstaddr = srcaddr; + if (~srcaddr & 0x2000) dstaddr ^= 0x1000; + if ( srcaddr & 0x8000) dstaddr ^= 0x4000; + dstaddr ^= 0x20000; + rom[dstaddr] = original[srcaddr]; + } + auto_free(machine, original); + + alg_init(machine); +} + +static DRIVER_INIT( aplatoon ) +{ + /* NOT DONE TODO FIGURE OUT THE RIGHT ORDER!!!! */ + UINT8 *rom = machine.root_device().memregion("user2")->base(); + UINT8 *decrypted = auto_alloc_array(machine, UINT8, 0x40000); + int i; + + static const int shuffle[] = + { + 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, + 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63 + }; + + for (i = 0; i < 64; i++) + memcpy(decrypted + i * 0x1000, rom + shuffle[i] * 0x1000, 0x1000); + memcpy(rom, decrypted, 0x40000); + logerror("decrypt done\n "); + alg_init(machine); +} + +static DRIVER_INIT( none ) +{ + alg_init(machine); +} + + + +/************************************* + * + * Game drivers + * + *************************************/ + +/* BIOS */ +GAME( 199?, alg_bios, 0, alg_r1, alg, none, ROT0, "American Laser Games", "American Laser Games BIOS", GAME_IS_BIOS_ROOT ) + +/* Rev. A board */ +/* PAL R1 */ +GAME( 1990, maddoga, maddog, alg_r1, alg, palr1, ROT0, "American Laser Games", "Mad Dog McCree v1C board rev.A", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + +/* PAL R3 */ +GAME( 1991, wsjr, alg_bios, alg_r1, alg, palr3, ROT0, "American Laser Games", "Who Shot Johnny Rock? v1.6", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1991, wsjr15, wsjr, alg_r1, alg, palr3, ROT0, "American Laser Games", "Who Shot Johnny Rock? v1.5", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + +/* Rev. B board */ +/* PAL R6 */ +GAME( 1990, maddog, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog McCree v2.03 board rev.B", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + /* works ok but uses right player (2) controls only for trigger and holster */ +GAME( 1992, maddog2, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v2.04", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1992, maddog22, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v2.02", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1992, maddog21, maddog2, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Mad Dog II: The Lost Gold v1.0", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + /* works ok but uses right player (2) controls only for trigger and holster */ +GAME( 1992, spacepir, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Space Pirates v2.2", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1992, gallgall, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Gallagher's Gallery v2.2", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + /* all good, but no holster */ +GAME( 1993, crimepat, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol v1.4", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1993, crimep2, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol 2: Drug Wars v1.3", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1993, crimep211,crimep2, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "Crime Patrol 2: Drug Wars v1.1", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1994, lastbh, alg_bios, alg_r2, alg_2p, palr6, ROT0, "American Laser Games", "The Last Bounty Hunter v0.06", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) +GAME( 1995, fastdraw, alg_bios, alg_r2, alg_2p, palr6, ROT90, "American Laser Games", "Fast Draw Showdown v1.3", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + /* works ok but uses right player (2) controls only for trigger and holster */ + +/* NOVA games on ALG hardware with own address scramble */ +GAME( 199?, aplatoon, alg_bios, alg_r2, alg, aplatoon, ROT0, "Nova?", "Platoon V.?.? US", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) + +/* Web Picmatic games PAL tv standard, own rom board */ +GAME( 1993, zortonbr, alg_bios, picmatic, alg, none, ROT0, "Web Picmatic", "Zorton Brothers (Los Justicieros)", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IMPERFECT_GRAPHICS ) |