/*************************************************************************** Grand Champion (C) 1981 Taito MAME driver by Ernesto Corvi and Phil Stroffolino **************************************************************************** Known Issues: - pc3259 handling (for collision detection) is not accurate. Collision detection does work, but there are bits which define the type of collision (and determine whether a pit stop is required) that I don't know how to handle. - sound: missing engine noise - "radar" is probably wrong - LED and tachometer display are missing/faked Note that a dipswitch setting allows score to be displayed onscreen, but there's no equivalent for tachometer. Notes: - The object of the game is to avoid the opposing cars. - The player has to drive through Dark Tunnels, Rain, Lightning, Sleet, Snow, and a Track that suddenly divides to get to the Finish Line first. - "GRAND CHAMPION" has a Radar Feature which enables the Player to see his position relative to the other cars. - A Rank Feature is also provided which shows the Player's numerical rank all through the race. - The Speech Feature enhances the game play. ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/ay8910.h" #include "includes/grchamp.h" #include "grchamp.lh" /************************************* * * Constants * *************************************/ #define MASTER_CLOCK (18432000) #define SOUND_CLOCK (6000000) #define PIXEL_CLOCK (MASTER_CLOCK/3) #define HTOTAL (384) #define HBEND (0) #define HBSTART (256) #define VTOTAL (264) #define VBEND (16) #define VBSTART (240) /************************************* * * Machine setup * *************************************/ static MACHINE_RESET( grchamp ) { /* if the coin system is 1 way, lock Coin B (Page 40) */ coin_lockout_w(machine, 1, (input_port_read(machine, "DSWB") & 0x10) ? 1 : 0); } /************************************* * * Interrupt generation * *************************************/ static INTERRUPT_GEN( grchamp_cpu0_interrupt ) { grchamp_state *state = device->machine().driver_data(); if (state->m_cpu0_out[0] & 0x01) device_set_input_line(device, 0, ASSERT_LINE); } static INTERRUPT_GEN( grchamp_cpu1_interrupt ) { grchamp_state *state = device->machine().driver_data(); if (state->m_cpu1_out[4] & 0x01) device_set_input_line(device, 0, ASSERT_LINE); } /************************************* * * Main CPU outputs * *************************************/ static WRITE8_HANDLER( cpu0_outputs_w ) { grchamp_state *state = space->machine().driver_data(); UINT8 diff = data ^ state->m_cpu0_out[offset]; state->m_cpu0_out[offset] = data; switch (offset) { case 0x00: /* OUT0 */ /* bit 0: low = clear IRQ on main CPU */ /* bit 1: /HTCLR = clear collision detect */ /* bit 4: HEAD LAMP */ /* bit 5: CHANGE */ /* bit 6: FOG OUT */ /* bit 7: RADARON */ if ((diff & 0x01) && !(data & 0x01)) cputag_set_input_line(space->machine(), "maincpu", 0, CLEAR_LINE); if ((diff & 0x02) && !(data & 0x02)) state->m_collide = state->m_collmode = 0; break; case 0x01: /* OUT1 */ /* connects to pc3259, pin 23 (read collision data?) */ state->m_collmode++; break; case 0x02: /* OUT2 */ /* bit 0-7: MYDH (car X position) */ break; case 0x03: /* OUT3 */ /* bit 0-7: MYDV (car Y position) */ break; case 0x04: /* OUT4 */ /* bit 0-3: player car tile select */ /* bit 4-7: rain tile select */ break; case 0x07: /* OUT7 */ /* bit 0-7: rain Y position */ break; case 0x08: /* OUT8 */ /* bit 0-7: rain X position */ break; case 0x09: /* OUT9 */ /* bit 0-3: n/c */ /* bit 4: coin lockout */ /* bit 5: Game Over lamp */ /* bit 6-7: n/c */ coin_lockout_global_w(space->machine(), (data >> 4) & 1); output_set_value("led0", (~data >> 5) & 1); break; case 0x0a: /* OUT10 */ /* bit 0: n/c */ /* bit 1: G-12 */ /* bit 2: G-S */ /* bit 3: G-16 */ /* bit 4: G-Y */ /* bit 5: n/c */ /* bit 6: G-Z */ if (diff) mame_printf_debug("OUT10=%02X\n", data); break; case 0x0d: /* OUT13 */ watchdog_reset(space->machine()); break; case 0x0e: /* OUT14 */ /* O-21 connector */ soundlatch_w(space, 0, data); cputag_set_input_line(space->machine(), "audiocpu", INPUT_LINE_NMI, PULSE_LINE); break; } } static WRITE8_HANDLER( led_board_w ) { static const UINT8 ls247_map[16] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x58,0x4c,0x62,0x69,0x78,0x00 }; grchamp_state *state = space->machine().driver_data(); switch (offset) { case 0x00: state->m_ledlatch = (state->m_ledlatch & 0xff00) | (data << 0); break; case 0x04: state->m_ledlatch = (state->m_ledlatch & 0x00ff) | (data << 8); break; case 0x08: state->m_ledaddr = data & 0x0f; break; case 0x0c: state->m_ledram[state->m_ledaddr & 0x07] = state->m_ledlatch; output_set_digit_value(state->m_ledaddr & 0x07, ls247_map[state->m_ledram[state->m_ledaddr & 0x07] & 0x0f]); /* ledram[0] & 0x0f = score LSD ledram[1] & 0x0f = score ledram[2] & 0x0f = score ledram[3] & 0x0f = score ledram[4] & 0x0f = score MSD ledram[5] & 0x0f = time LSD ledram[6] & 0x0f = time MSD ledram[7] & 0x0f = ??? */ break; } } /************************************* * * Sub CPU outputs * *************************************/ static WRITE8_HANDLER( cpu1_outputs_w ) { device_t *discrete = space->machine().device("discrete"); grchamp_state *state = space->machine().driver_data(); UINT8 diff = data ^ state->m_cpu1_out[offset]; state->m_cpu1_out[offset] = data; switch (offset) { case 0x00: /* OUT0 */ /* bit 0-7: left/right synk bus xscroll LSBs */ break; case 0x01: /* OUT1 */ /* bit 0: left/right synk bus xscroll MSB */ break; case 0x02: /* OUT2 */ /* bit 0-7: left synk bus yscroll */ break; case 0x03: /* OUT3 */ /* bit 0-3: analog tachometer output */ /* bit 4: palette MSB */ /* bit 5: disable the 256H line in the center tilemap */ break; case 0x04: /* OUT4 */ /* bit 0: interrupt enable for CPU 1 */ if ((diff & 0x01) && !(data & 0x01)) cputag_set_input_line(space->machine(), "sub", 0, CLEAR_LINE); break; case 0x05: /* OUT5 - unused */ break; case 0x06: /* OUT6 - unused */ break; case 0x07: /* OUT7 */ /* bit 0-7: right synk bus yscroll */ break; case 0x08: /* OUT8 */ /* bit 0-7: latches data to main CPU input port 2 */ state->m_comm_latch = data; break; case 0x09: /* OUT9 */ /* bit 0-7: center synk bus xscroll LSBs */ break; case 0x0a: /* OUTA */ /* bit 0: center synk bus xscroll MSB */ break; case 0x0b: /* OUTB */ /* bit 0-7: center synk bus yscroll */ break; case 0x0c: /* OUTC */ /* bit 0: FOG */ /* bit 1: IDLING */ /* bit 2-4: ATTACK UP 1-3 */ /* bit 5-6: SIFT 1-2 */ /* bit 7: ENGINE CS */ discrete_sound_w(discrete, GRCHAMP_ENGINE_CS_EN, data & 0x80); discrete_sound_w(discrete, GRCHAMP_SIFT_DATA, (data >> 5) & 0x03); discrete_sound_w(discrete, GRCHAMP_ATTACK_UP_DATA, (data >> 2) & 0x07); discrete_sound_w(discrete, GRCHAMP_IDLING_EN, data & 0x02); discrete_sound_w(discrete, GRCHAMP_FOG_EN, data & 0x01); break; case 0x0d: /* OUTD */ /* bit 0-3: ATTACK SPEED 1-4 */ /* bit 4-7: PLAYER SPEED 1-4 */ discrete_sound_w(discrete, GRCHAMP_PLAYER_SPEED_DATA, (data >> 4) & 0x0f); discrete_sound_w(discrete, GRCHAMP_ATTACK_SPEED_DATA, data & 0x0f); break; default: /* OUTE - Page 48: goes to connector Q-27 */ /* OUTF - unused */ break; } } /************************************* * * CPU 0 Inputs * *************************************/ INLINE UINT8 get_pc3259_bits(running_machine &machine, grchamp_state *state, int offs) { int bits; /* force a partial update to the current position */ machine.primary_screen->update_partial(machine.primary_screen->vpos()); /* get the relevant 4 bits */ bits = (state->m_collide >> (offs*4)) & 0x0f; /* replicate to both nibbles */ return bits | (bits << 4); } static READ8_HANDLER( pc3259_0_r ) { grchamp_state *state = space->machine().driver_data(); return get_pc3259_bits(space->machine(), state, 0); } static READ8_HANDLER( pc3259_1_r ) { grchamp_state *state = space->machine().driver_data(); return get_pc3259_bits(space->machine(), state, 1); } static READ8_HANDLER( pc3259_2_r ) { grchamp_state *state = space->machine().driver_data(); return get_pc3259_bits(space->machine(), state, 2); } static READ8_HANDLER( pc3259_3_r ) { grchamp_state *state = space->machine().driver_data(); return get_pc3259_bits(space->machine(), state, 3); } /************************************* * * Inter-CPU communication * *************************************/ static READ8_HANDLER( sub_to_main_comm_r ) { grchamp_state *state = space->machine().driver_data(); return state->m_comm_latch; } static TIMER_CALLBACK( main_to_sub_comm_sync_w ) { grchamp_state *state = machine.driver_data(); int offset = param >> 8; state->m_comm_latch2[offset & 3] = param; } static WRITE8_HANDLER( main_to_sub_comm_w ) { space->machine().scheduler().synchronize(FUNC(main_to_sub_comm_sync_w), data | (offset << 8)); } static READ8_HANDLER( main_to_sub_comm_r ) { grchamp_state *state = space->machine().driver_data(); return state->m_comm_latch2[offset]; } /************************************* * * Sound port handlers * *************************************/ static WRITE8_DEVICE_HANDLER( grchamp_portA_0_w ) { discrete_sound_w(device, GRCHAMP_A_DATA, data); } static WRITE8_DEVICE_HANDLER( grchamp_portB_0_w ) { discrete_sound_w(device, GRCHAMP_B_DATA, 255-data); } static WRITE8_DEVICE_HANDLER( grchamp_portA_2_w ) { /* A0/A1 modify the output of AY8910 #2 */ /* A7 contributes to the discrete logic hanging off of AY8910 #0 */ } static WRITE8_DEVICE_HANDLER( grchamp_portB_2_w ) { /* B0 connects elsewhere */ } /************************************* * * Sound interfaces * *************************************/ static const ay8910_interface ay8910_interface_1 = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_NULL, DEVCB_NULL, DEVCB_DEVICE_HANDLER("discrete", grchamp_portA_0_w), DEVCB_DEVICE_HANDLER("discrete", grchamp_portB_0_w) }; static const ay8910_interface ay8910_interface_3 = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_NULL, DEVCB_NULL, DEVCB_HANDLER(grchamp_portA_2_w), DEVCB_HANDLER(grchamp_portB_2_w) }; /************************************* * * Graphics Layouts * *************************************/ static const gfx_layout sprite_layout = { 16,16, RGN_FRAC(1,2), 2, { 0,RGN_FRAC(1,2) }, { STEP8(0,1),STEP8(64,1) }, { STEP8(0,8),STEP8(128,8) }, 16*16 }; static const gfx_layout tile_layout = { 8,8, RGN_FRAC(1,2), 4, { 0,4,RGN_FRAC(1,2),RGN_FRAC(1,2)+4 }, { STEP4(0,1),STEP4(8*8+0,1) }, { STEP8(0,8) }, 16*8 }; static GFXDECODE_START( grchamp ) GFXDECODE_ENTRY( "gfx1", 0x0000, gfx_8x8x2_planar, 0, 8 ) GFXDECODE_ENTRY( "gfx2", 0x0000, tile_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx3", 0x0000, tile_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx4", 0x0000, tile_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx1", 0x0000, sprite_layout, 0, 32 ) GFXDECODE_END /************************************* * * Address maps * *************************************/ /* complete memory map derived from schematics */ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_ROM AM_RANGE(0x4000, 0x43ff) AM_MIRROR(0x0400) AM_RAM AM_RANGE(0x4800, 0x4bff) AM_MIRROR(0x0400) AM_RAM AM_BASE_MEMBER(grchamp_state, m_radarram) AM_RANGE(0x5000, 0x53ff) AM_MIRROR(0x0400) AM_RAM AM_BASE_MEMBER(grchamp_state, m_videoram) AM_RANGE(0x5800, 0x58ff) AM_MIRROR(0x0700) AM_RAM AM_BASE_MEMBER(grchamp_state, m_spriteram) ADDRESS_MAP_END static ADDRESS_MAP_START( main_portmap, AS_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_MIRROR(0x78) AM_READ_PORT("ACCEL") AM_RANGE(0x02, 0x02) AM_MIRROR(0x78) AM_READ(sub_to_main_comm_r) AM_RANGE(0x03, 0x03) AM_MIRROR(0x78) AM_READ_PORT("WHEEL") AM_RANGE(0x04, 0x04) AM_MIRROR(0x78) AM_READ_PORT("DSWA") AM_RANGE(0x05, 0x05) AM_MIRROR(0x78) AM_READ_PORT("DSWB") AM_RANGE(0x06, 0x06) AM_MIRROR(0x78) AM_READ_PORT("TILT") AM_RANGE(0x01, 0x01) AM_MIRROR(0x60) AM_READ(pc3259_0_r) AM_RANGE(0x09, 0x09) AM_MIRROR(0x60) AM_READ(pc3259_1_r) AM_RANGE(0x11, 0x11) AM_MIRROR(0x60) AM_READ(pc3259_2_r) AM_RANGE(0x19, 0x19) AM_MIRROR(0x60) AM_READ(pc3259_3_r) AM_RANGE(0x00, 0x0f) AM_MIRROR(0x40) AM_WRITE(cpu0_outputs_w) AM_RANGE(0x10, 0x13) AM_MIRROR(0x40) AM_WRITE(main_to_sub_comm_w) AM_RANGE(0x20, 0x2f) AM_MIRROR(0x53) AM_WRITE(led_board_w) ADDRESS_MAP_END /* complete memory map derived from schematics */ static ADDRESS_MAP_START( sub_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x1fff) AM_ROM AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(grchamp_left_w) AM_BASE_MEMBER(grchamp_state, m_leftram) AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(grchamp_right_w) AM_BASE_MEMBER(grchamp_state, m_rightram) AM_RANGE(0x3000, 0x37ff) AM_RAM_WRITE(grchamp_center_w) AM_BASE_MEMBER(grchamp_state, m_centerram) AM_RANGE(0x4000, 0x43ff) AM_MIRROR(0x0400) AM_RAM AM_RANGE(0x5000, 0x6fff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( sub_portmap, AS_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x03) AM_READ(main_to_sub_comm_r) AM_RANGE(0x00, 0x0f) AM_MIRROR(0x70) AM_WRITE(cpu1_outputs_w) ADDRESS_MAP_END /* complete memory map derived from schematics */ static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x1fff) AM_ROM AM_RANGE(0x4000, 0x43ff) AM_RAM AM_RANGE(0x4800, 0x4801) AM_MIRROR(0x07f8) AM_DEVWRITE("ay1", ay8910_address_data_w) AM_RANGE(0x4801, 0x4801) AM_MIRROR(0x07f8) AM_DEVREAD("ay1", ay8910_r) AM_RANGE(0x4802, 0x4803) AM_MIRROR(0x07f8) AM_DEVWRITE("ay2", ay8910_address_data_w) AM_RANGE(0x4803, 0x4803) AM_MIRROR(0x07f8) AM_DEVREAD("ay2", ay8910_r) AM_RANGE(0x4804, 0x4805) AM_MIRROR(0x07fa) AM_DEVWRITE("ay3", ay8910_address_data_w) AM_RANGE(0x4805, 0x4805) AM_MIRROR(0x07fa) AM_DEVREAD("ay3", ay8910_r) AM_RANGE(0x5000, 0x5000) AM_READ(soundlatch_r) ADDRESS_MAP_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( grchamp ) PORT_START("TILT") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE3 ) /* High Score reset switch */ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_TOGGLE /* High Gear */ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_TILT ) /* Tilt */ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 ) /* Service */ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) /* Coin A */ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) /* Coin B */ PORT_START("ACCEL") PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(16) PORT_CODE_INC(KEYCODE_LCONTROL) //mask,default,type,sensitivity,delta,min,max PORT_START("WHEEL") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(5) PORT_REVERSE //mask,default,type,sensitivity,delta,min,max PORT_START("DSWA") PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2,3,4") PORT_DIPSETTING( 0x0f, DEF_STR( 9C_1C ) ) PORT_DIPSETTING( 0x0e, DEF_STR( 8C_1C ) ) PORT_DIPSETTING( 0x0d, DEF_STR( 7C_1C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 6C_1C ) ) PORT_DIPSETTING( 0x0b, DEF_STR( 5C_1C ) ) PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x09, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x07, DEF_STR( 1C_8C ) ) PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:5,6,7,8") PORT_DIPSETTING( 0xf0, DEF_STR( 9C_1C ) ) PORT_DIPSETTING( 0xe0, DEF_STR( 8C_1C ) ) PORT_DIPSETTING( 0xd0, DEF_STR( 7C_1C ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 6C_1C ) ) PORT_DIPSETTING( 0xb0, DEF_STR( 5C_1C ) ) PORT_DIPSETTING( 0xa0, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x90, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x20, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x60, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x70, DEF_STR( 1C_8C ) ) PORT_START("DSWB") PORT_DIPNAME( 0x03, 0x02, "Extra Race" ) PORT_DIPLOCATION("SW2:1,2") PORT_DIPSETTING( 0x00, "4th" ) PORT_DIPSETTING( 0x02, "5th" ) PORT_DIPSETTING( 0x01, "6th" ) PORT_DIPSETTING( 0x03, "7th" ) PORT_DIPUNUSED_DIPLOC( 0x04, IP_ACTIVE_HIGH, "SW2:3" ) /* Listed as "Unused and should remain in the OFF position" */ PORT_DIPNAME( 0x08, 0x00, "RAM Test" ) PORT_DIPLOCATION("SW2:4") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x00, "Coin System" ) PORT_DIPLOCATION("SW2:5") PORT_DIPSETTING( 0x10, "1 Way" ) PORT_DIPSETTING( 0x00, "2 Way" ) PORT_DIPNAME( 0x20, 0x00, "Display '1981'" ) PORT_DIPLOCATION("SW2:6") PORT_DIPSETTING( 0x20, DEF_STR( No ) ) PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) PORT_DIPNAME( 0x40, 0x40, "Display Score" ) PORT_DIPLOCATION("SW2:7") PORT_DIPSETTING( 0x00, "LEDs" ) PORT_DIPSETTING( 0x40, "On Screen" ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:8") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) INPUT_PORTS_END /************************************* * * Machine drivers * *************************************/ static MACHINE_CONFIG_START( grchamp, grchamp_state ) /* basic machine hardware */ /* CPU BOARD */ MCFG_CPU_ADD("maincpu", Z80, PIXEL_CLOCK/2) MCFG_CPU_PROGRAM_MAP(main_map) MCFG_CPU_IO_MAP(main_portmap) MCFG_CPU_VBLANK_INT("screen", grchamp_cpu0_interrupt) /* GAME BOARD */ MCFG_CPU_ADD("sub", Z80, PIXEL_CLOCK/2) MCFG_CPU_PROGRAM_MAP(sub_map) MCFG_CPU_IO_MAP(sub_portmap) MCFG_CPU_VBLANK_INT("screen", grchamp_cpu1_interrupt) /* SOUND BOARD */ MCFG_CPU_ADD("audiocpu", Z80, SOUND_CLOCK/2) MCFG_CPU_PROGRAM_MAP(sound_map) MCFG_CPU_PERIODIC_INT(irq0_line_hold, (double)SOUND_CLOCK/4/16/16/10/16) MCFG_MACHINE_RESET(grchamp) MCFG_WATCHDOG_VBLANK_INIT(8) MCFG_QUANTUM_TIME(attotime::from_hz(6000)) /* video hardware */ MCFG_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE) MCFG_GFXDECODE(grchamp) MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32) MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART) MCFG_SCREEN_UPDATE(grchamp) MCFG_PALETTE_INIT(grchamp) MCFG_VIDEO_START(grchamp) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("ay1", AY8910, SOUND_CLOCK/4) /* 3B */ MCFG_SOUND_CONFIG(ay8910_interface_1) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.2) MCFG_SOUND_ADD("ay2", AY8910, SOUND_CLOCK/4) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.2) MCFG_SOUND_ADD("ay3", AY8910, SOUND_CLOCK/4) /* 1B */ MCFG_SOUND_CONFIG(ay8910_interface_3) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.2) MCFG_SOUND_ADD("discrete", DISCRETE, 0) MCFG_SOUND_CONFIG_DISCRETE(grchamp) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( grchamp ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "gm03", 0x0000, 0x1000, CRC(47fda76e) SHA1(fd5f1a651481669d64e5e0799369c22472265535) ) ROM_LOAD( "gm04", 0x1000, 0x1000, CRC(07a623dc) SHA1(bb8a6531d95e996148c06fd336db4054eb1d28dd) ) ROM_LOAD( "gm05", 0x2000, 0x1000, CRC(716e1fba) SHA1(fe596873c932513227b982cd23af440d31612de9) ) ROM_LOAD( "gm06", 0x3000, 0x1000, CRC(157db30b) SHA1(a74314d3aef4659ea96ed659e5db2883e7ae1cb1) ) ROM_REGION( 0x8000, "sub", 0 ) ROM_LOAD( "gm09", 0x0000, 0x1000, CRC(d57bd109) SHA1(d1cb5ba783eaceda45893f6404fe9dbac740a2de) ) ROM_LOAD( "gm10", 0x1000, 0x1000, CRC(41ba07f1) SHA1(103eeacdd36b4347fc62debb6b5f4163083313f4) ) ROM_LOAD( "gr16", 0x5000, 0x1000, CRC(885d708e) SHA1(d5d2978a0eeca167ec1fb9f6f981388de46fbf81) ) ROM_LOAD( "gr15", 0x6000, 0x1000, CRC(a822430b) SHA1(4d29612489362d2dc3f3a9eab609902a50c34aff) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "gm07", 0x0000, 0x1000, CRC(65dcc572) SHA1(c9b19af365fa7ade2698be0bb892591ba281ecb0) ) ROM_LOAD( "gm08", 0x1000, 0x1000, CRC(224d880c) SHA1(68aaaa0213d09cf34ba50c91d8c031d041f8a76f) ) ROM_REGION( 0x2000, "gfx1", 0 ) /* characters/sprites */ ROM_LOAD( "gm01", 0x0000, 0x1000, CRC(846f8e89) SHA1(346bfd69268606fde27643b4d135b481536b73b1) ) ROM_LOAD( "gm02", 0x1000, 0x1000, CRC(5911948d) SHA1(6f3a9a7f8d6a04b8e6d83756764c9c4185983d9b) ) ROM_REGION( 0x2000, "gfx2", 0 ) /* left tiles */ ROM_LOAD( "gr20", 0x0000, 0x1000, CRC(88ba2c03) SHA1(4dfd136f122663223043c6cd79566f8eeec72681) ) ROM_LOAD( "gr19", 0x1000, 0x1000, CRC(ff34b444) SHA1(51c67a1691da3a2d8ddcff5fd8fa816b1f9c60c0) ) ROM_REGION( 0x2000, "gfx3", 0 ) /* right tiles */ ROM_LOAD( "gr21", 0x0000, 0x1000, CRC(2f77a9f3) SHA1(9e20a776c5e8c7577c3e8467d4f8ac7ac909901f) ) ROM_LOAD( "gr22", 0x1000, 0x1000, CRC(31bb5fc7) SHA1(9f638e632e7c72461bedecb710ac9b30f015eebf) ) ROM_REGION( 0x2000, "gfx4", 0 ) /* center tiles */ ROM_LOAD( "gr13", 0x0000, 0x1000, CRC(d5e19ebd) SHA1(d0ca553eec87619ec489f7ba6238f1fdde7c480b) ) ROM_LOAD( "gr14", 0x1000, 0x1000, CRC(d129b8e4) SHA1(db25bfde2a48e14d38a43133d88d479c3cc1397a) ) ROM_REGION( 0x0800, "gfx5", 0 ) /* rain */ ROM_LOAD( "gr10", 0x0000, 0x0800, CRC(b1f0a873) SHA1(f7ef1a16556ae3e7d70209bcb38ea3ae94208789) ) ROM_REGION( 0x0800, "gfx6", 0 ) /* headlights */ ROM_LOAD( "gr12", 0x0000, 0x0800, CRC(f3bc599e) SHA1(3ec19584896a0bf10b9c5750f3c78ad3e722cc49) ) ROM_REGION( 0x1000, "gfx7", 0 ) /* player */ ROM_LOAD( "gr11", 0x0000, 0x1000, CRC(54eb3ec9) SHA1(22739240f53c708d8e53094d96916778e12beeed) ) ROM_REGION( 0x0040, "proms", 0 ) ROM_LOAD( "gr23.bpr", 0x00, 0x20, CRC(41c6c48d) SHA1(8bd14b5f02f9da0a68e3125955be18462b57401d) ) /* background colors */ ROM_LOAD( "gr09.bpr", 0x20, 0x20, CRC(260fb2b9) SHA1(db0bf49f12a944613d113317d7dfea25bd7469fc) ) /* sprite/text colors */ ROM_END /************************************* * * Game drivers * *************************************/ GAMEL( 1981, grchamp, 0, grchamp, grchamp, 0, ROT270, "Taito", "Grand Champion", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS, layout_grchamp )