/* Disco Boy Similar to mitchell.c / egghunt.c .. clearly derived from that hardware PCB Layout ---------- SOFT ART CO. 1993 NO - 1021 PROGRAM NO-93-01-14-0024 +------------------------------------------+ | YM3014 YM3812 10MHz 5.u94 | | 6116 6.u124 | | 1.u45 7.u95 | | M5205 2.u28 8.u125 | |J Z8400B 6116| |A 6116 6116 TPC1020AFN | |M 6116 6116| |M DSW2 | |A DSW1 6264 | | 6264 u80 u81 | |12MHz u2 u50 u5 | | u18 u78 u79 | | Z0840004PSC u46 u49 | +------------------------------------------+ Notes: Zilog Z0840004PSC (Z80 cpu, main program CPU) Goldstar Z8400B PS (Z80 cpu, sound CPU) Yamaha YM3014/YM3812 (rebadged as 83142/5A12) OKI M5205 TI TPC1020AFN-084C 10.000MHz & 12.000MHz OSCs */ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/msm5205.h" #include "sound/3812intf.h" class discoboy_state : public driver_device { public: discoboy_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } /* video-related */ UINT8 m_ram_bank; UINT8 m_gfxbank; UINT8 m_port_00; int m_adpcm_data; /* devices */ device_t *m_audiocpu; /* memory */ UINT8 m_ram_1[0x800]; UINT8 m_ram_2[0x800]; UINT8 m_ram_3[0x1000]; UINT8 m_ram_4[0x1000]; UINT8 m_ram_att[0x800]; }; static VIDEO_START( discoboy ) { } static void draw_sprites( running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect ) { discoboy_state *state = machine.driver_data(); int flipscreen = 0; int offs, sx, sy; for (offs = 0x1000 - 0x40; offs >= 0; offs -= 0x20) { int code = state->m_ram_4[offs]; int attr = state->m_ram_4[offs + 1]; int color = attr & 0x0f; sx = state->m_ram_4[offs + 3] + ((attr & 0x10) << 4); sy = ((state->m_ram_4[offs + 2] + 8) & 0xff) - 8; code += (attr & 0xe0) << 3; if (code >= 0x400) { if ((state->m_gfxbank & 0x30) == 0x00) { code = 0x400 + (code & 0x3ff); } else if ((state->m_gfxbank & 0x30) == 0x10) { code = 0x400 + (code & 0x3ff) + 0x400; } else if ((state->m_gfxbank & 0x30) == 0x20) { code = 0x400 + (code & 0x3ff) + 0x800; } else if ((state->m_gfxbank & 0x30) == 0x30) { code = 0x400 + (code & 0x3ff) + 0xc00; } else { code = machine.rand(); } } drawgfx_transpen(bitmap,cliprect,machine.gfx[0], code, color, flipscreen,0, sx,sy,15); } } static SCREEN_UPDATE( discoboy ) { discoboy_state *state = screen->machine().driver_data(); UINT16 x, y; int i; int count = 0; for (i = 0; i < 0x800; i += 2) { UINT16 pal; int r, g, b; pal = state->m_ram_1[i] | (state->m_ram_1[i + 1] << 8); b = ((pal >> 0) & 0xf) << 4; g = ((pal >> 4) & 0xf) << 4; r = ((pal >> 8) & 0xf) << 4; palette_set_color(screen->machine(), i / 2, MAKE_RGB(r, g, b)); } for (i = 0; i < 0x800; i += 2) { UINT16 pal; int r,g,b; pal = state->m_ram_2[i] | (state->m_ram_2[i + 1] << 8); b = ((pal >> 0) & 0xf) << 4; g = ((pal >> 4) & 0xf) << 4; r = ((pal >> 8) & 0xf) << 4; palette_set_color(screen->machine(), (i / 2) + 0x400, MAKE_RGB(r, g, b)); } bitmap_fill(bitmap, cliprect, 0x3ff); for (y = 0; y < 32; y++) { for (x = 0; x < 64; x++) { UINT16 tileno = state->m_ram_3[count] | (state->m_ram_3[count + 1] << 8); if (tileno > 0x2000) { if ((state->m_gfxbank & 0x40) == 0x40) tileno = 0x2000 + (tileno & 0x1fff) + 0x2000; else tileno = 0x2000 + (tileno & 0x1fff) + 0x0000; } drawgfx_opaque(bitmap, cliprect, screen->machine().gfx[1], tileno, state->m_ram_att[count / 2], 0, 0, x*8, y*8); count += 2; } } draw_sprites(screen->machine(), bitmap, cliprect); return 0; } #ifdef UNUSED_FUNCTION void discoboy_setrombank( running_machine &machine, UINT8 data ) { UINT8 *ROM = machine.region("maincpu")->base(); data &= 0x2f; memory_set_bankptr(space->machine(), "bank1", &ROM[0x6000 + (data * 0x1000)] ); } #endif static WRITE8_HANDLER( rambank_select_w ) { discoboy_state *state = space->machine().driver_data(); state->m_ram_bank = data; if (data &= 0x83) logerror("rambank_select_w !!!!!"); } static WRITE8_HANDLER( discoboy_port_00_w ) { discoboy_state *state = space->machine().driver_data(); if (data & 0xfe) logerror("unk discoboy_port_00_w %02x\n",data); state->m_port_00 = data; } static WRITE8_HANDLER( discoboy_port_01_w ) { discoboy_state *state = space->machine().driver_data(); // 00 10 20 30 during gameplay 1,2,3 other times?? title screen bit 0x40 toggle //printf("unk discoboy_port_01_w %02x\n",data); // discoboy gfxbank state->m_gfxbank = data & 0xf0; memory_set_bank(space->machine(), "bank1", data & 0x07); } static WRITE8_HANDLER( discoboy_port_03_w ) // sfx? (to sound cpu) { discoboy_state *state = space->machine().driver_data(); // printf("unk discoboy_port_03_w %02x\n", data); // device_set_input_line(state->m_audiocpu, INPUT_LINE_NMI, HOLD_LINE); soundlatch_w(space, 0, data); device_set_input_line(state->m_audiocpu, 0, HOLD_LINE); } static WRITE8_HANDLER( discoboy_port_06_w ) { //printf("unk discoboy_port_06_w %02x\n",data); if (data != 0) logerror("port 06!!!! %02x\n",data); } static WRITE8_HANDLER( rambank_w ) { discoboy_state *state = space->machine().driver_data(); if (state->m_ram_bank & 0x20) state->m_ram_2[offset] = data; else state->m_ram_1[offset] = data; } static READ8_HANDLER( rambank_r ) { discoboy_state *state = space->machine().driver_data(); if (state->m_ram_bank & 0x20) return state->m_ram_2[offset]; else return state->m_ram_1[offset]; } static READ8_HANDLER( rambank2_r ) { discoboy_state *state = space->machine().driver_data(); if (state->m_port_00 == 0x00) return state->m_ram_3[offset]; else if (state->m_port_00 == 0x01) return state->m_ram_4[offset]; else printf("unk rb2_r\n"); return space->machine().rand(); } static WRITE8_HANDLER( rambank2_w ) { discoboy_state *state = space->machine().driver_data(); if (state->m_port_00 == 0x00) state->m_ram_3[offset] = data; else if (state->m_port_00 == 0x01) state->m_ram_4[offset] = data; else printf("unk rb2_w\n"); } static READ8_HANDLER( discoboy_ram_att_r ) { discoboy_state *state = space->machine().driver_data(); return state->m_ram_att[offset]; } static WRITE8_HANDLER( discoboy_ram_att_w ) { discoboy_state *state = space->machine().driver_data(); state->m_ram_att[offset] = data; } static ADDRESS_MAP_START( discoboy_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1") AM_RANGE(0xc000, 0xc7ff) AM_READWRITE(rambank_r, rambank_w) AM_RANGE(0xc800, 0xcfff) AM_READWRITE(discoboy_ram_att_r, discoboy_ram_att_w) AM_RANGE(0xd000, 0xdfff) AM_READWRITE(rambank2_r, rambank2_w) AM_RANGE(0xe000, 0xefff) AM_RAM AM_RANGE(0xf000, 0xffff) AM_RAM ADDRESS_MAP_END static READ8_HANDLER( discoboy_port_06_r ) { return 0x00; } static ADDRESS_MAP_START( io_map, AS_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_READ_PORT("DSWA") AM_WRITE(discoboy_port_00_w) AM_RANGE(0x01, 0x01) AM_READ_PORT("SYSTEM") AM_WRITE(discoboy_port_01_w) AM_RANGE(0x02, 0x02) AM_READ_PORT("P1") AM_RANGE(0x03, 0x03) AM_READ_PORT("P2") AM_WRITE(discoboy_port_03_w) AM_RANGE(0x04, 0x04) AM_READ_PORT("DSWB") AM_RANGE(0x06, 0x06) AM_READWRITE(discoboy_port_06_r, discoboy_port_06_w) // ??? AM_RANGE(0x07, 0x07) AM_WRITE(rambank_select_w) // 0x20 is palette bank bit.. others? ADDRESS_MAP_END /* Sound */ //static WRITE8_HANDLER( splash_adpcm_data_w ){ // state->m_adpcm_data = data; //} static void splash_msm5205_int( device_t *device ) { discoboy_state *state = device->machine().driver_data(); msm5205_data_w(device, state->m_adpcm_data >> 4); // state->m_adpcm_data = (state->m_adpcm_data << 4) & 0xf0; } static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_RANGE(0xec00, 0xec01) AM_DEVWRITE("ymsnd", ym3812_w) AM_RANGE(0xf800, 0xf800) AM_READ(soundlatch_r) ADDRESS_MAP_END static INPUT_PORTS_START( discoboy ) PORT_START("DSWA") PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SWA:6,7,8") PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SWA:5") PORT_DIPSETTING( 0x08, "Every 150000" ) PORT_DIPSETTING( 0x00, "Every 300000" ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Lives ) ) PORT_DIPLOCATION("SWA:4") PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x00, "4" ) PORT_DIPNAME( 0x60, 0x60, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SWA:2,3") PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x60, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x40, DEF_STR( Hard ) ) PORT_DIPSETTING( 0x20, DEF_STR( Hardest ) ) PORT_SERVICE_DIPLOC( 0x80, IP_ACTIVE_LOW, "SWA:1" ) PORT_START("SYSTEM") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_START("P1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_START("P2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_START("DSWB") PORT_DIPUNUSED_DIPLOC( 0x01, IP_ACTIVE_LOW, "SWB:8" ) PORT_DIPUNUSED_DIPLOC( 0x02, IP_ACTIVE_LOW, "SWB:7" ) PORT_DIPUNUSED_DIPLOC( 0x04, IP_ACTIVE_LOW, "SWB:6" ) PORT_DIPUNUSED_DIPLOC( 0x08, IP_ACTIVE_LOW, "SWB:5" ) PORT_DIPUNUSED_DIPLOC( 0x10, IP_ACTIVE_LOW, "SWB:4" ) PORT_DIPUNUSED_DIPLOC( 0x20, IP_ACTIVE_LOW, "SWB:3" ) PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "SWB:2" ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SWB:1") PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static const gfx_layout tiles8x8_layout = { 16,16, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+4,RGN_FRAC(1,2), RGN_FRAC(0,2)+4,RGN_FRAC(0,2) }, { 0, 1, 2, 3, 8, 9, 10, 11, 256, 257, 258, 259, 264,265,266,267 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, 16*32 }; static const gfx_layout tiles8x8_layout2 = { 8,8, RGN_FRAC(1,4), 4, { RGN_FRAC(1,4), RGN_FRAC(0,4),RGN_FRAC(3,4),RGN_FRAC(2,4) }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; static GFXDECODE_START( discoboy ) GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0x000, 128 ) GFXDECODE_ENTRY( "gfx2", 0, tiles8x8_layout2, 0x000, 128 ) GFXDECODE_END static const msm5205_interface discoboy_msm5205_interface = { splash_msm5205_int, /* IRQ handler */ MSM5205_S48_4B /* ??? unknown hz */ }; static MACHINE_START( discoboy ) { discoboy_state *state = machine.driver_data(); state->m_audiocpu = machine.device("audiocpu"); state->save_item(NAME(state->m_ram_bank)); state->save_item(NAME(state->m_port_00)); state->save_item(NAME(state->m_gfxbank)); state->save_item(NAME(state->m_adpcm_data)); } static MACHINE_RESET( discoboy ) { discoboy_state *state = machine.driver_data(); state->m_ram_bank = 0; state->m_port_00 = 0; state->m_gfxbank = 0; state->m_adpcm_data = 0x80; } static MACHINE_CONFIG_START( discoboy, discoboy_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80,12000000/2) /* 6 MHz? */ MCFG_CPU_PROGRAM_MAP(discoboy_map) MCFG_CPU_IO_MAP(io_map) MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) MCFG_CPU_ADD("audiocpu", Z80,10000000/2) /* 5 MHz? */ MCFG_CPU_PROGRAM_MAP(sound_map) MCFG_CPU_PERIODIC_INT(nmi_line_pulse,32*60) MCFG_MACHINE_START( discoboy ) MCFG_MACHINE_RESET( discoboy ) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(512, 256) MCFG_SCREEN_VISIBLE_AREA(8*8, 512-1-8*8, 0+8, 256-1-8) MCFG_SCREEN_UPDATE(discoboy) MCFG_GFXDECODE(discoboy) MCFG_PALETTE_LENGTH(0x1000) MCFG_VIDEO_START(discoboy) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("ymsnd", YM3812, 2500000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60) MCFG_SOUND_ADD("msm", MSM5205, 384000) // ???? unknown MCFG_SOUND_CONFIG(discoboy_msm5205_interface) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MACHINE_CONFIG_END ROM_START( discoboy ) ROM_REGION( 0x30000, "maincpu", 0 ) ROM_LOAD( "u2", 0x00000, 0x10000, CRC(44a4fefa) SHA1(29b74bb739afffb7baefb5ed4da09cdb1559b011) ) ROM_LOAD( "u18", 0x10000, 0x20000, CRC(88d1282d) SHA1(1f11dad0f577198c54a1dc182ba7502e398b998f) ) ROM_REGION( 0x20000, "audiocpu", 0 ) ROM_LOAD( "2.u28", 0x00000, 0x10000, CRC(7c2ed174) SHA1(ace209dc4cc7a4ffca062842defd84cefc5b10d2)) ROM_LOAD( "1.u45", 0x10000, 0x10000, CRC(c266c6df) SHA1(f76e38ded43f56a486cf6569c679ddb57a4165fb) ) ROM_REGION( 0x100000, "gfx1", ROMREGION_INVERT ) ROM_LOAD( "5.u94", 0x00000, 0x10000, CRC(dbd20836) SHA1(d97651626b1dc16b93f8aed28bac19fd177e626f) ) ROM_LOAD( "6.u124", 0x10000, 0x40000, CRC(e20d41f8) SHA1(792294a34840867072bc484d6f3cae3502c8bc28) ) ROM_LOAD( "7.u95", 0x80000, 0x10000, CRC(1d5617a2) SHA1(6b6bd50c1984748dc8bf6600431d9bb6fe443873) ) ROM_LOAD( "8.u125", 0x90000, 0x40000, CRC(30be1340) SHA1(e4765b75c8f774c6f7f7b5496a50c33ee3950550) ) ROM_REGION( 0x100000, "gfx2", ROMREGION_INVERT ) ROM_LOAD( "u80", 0x00000, 0x10000, CRC(4cc642ae) SHA1(2a59ebc8ab27bf7c3c1aa389ea32fb01d5cfdce8) ) ROM_LOAD( "u50", 0x10000, 0x20000, CRC(1557ca92) SHA1(5a0afbeede6f0ae1c75bdec446132c673aeb0fe7) ) ROM_LOAD( "u81", 0x40000, 0x10000, CRC(9e04274e) SHA1(70c28212b242335353e6dd48b7eb176146bec457) ) ROM_LOAD( "u5", 0x50000, 0x20000, CRC(a07df669) SHA1(7f09b2508b9bffed7a4cd191f707af3c0c2a1de2) ) ROM_LOAD( "u78", 0x80000, 0x10000, CRC(04571f70) SHA1(afdc7d84f7804c2ced413d13e6985a05f841e79e) ) ROM_LOAD( "u46", 0x90000, 0x20000, CRC(764ffde4) SHA1(637df403a6ac73456892add3f2403a92afb67f19) ) ROM_LOAD( "u79", 0xc0000, 0x10000, CRC(646f0f83) SHA1(d5cd050872d4b8c2fc89c3c0f434b1d66e5f1c59) ) ROM_LOAD( "u49", 0xd0000, 0x20000, CRC(0b6c0d8d) SHA1(820a12c84af4fd5a04e1eca3cbace0002d3024b6) ) ROM_END static DRIVER_INIT( discoboy ) { discoboy_state *state = machine.driver_data(); UINT8 *ROM = machine.region("maincpu")->base(); memset(state->m_ram_1, 0, sizeof(state->m_ram_1)); memset(state->m_ram_2, 0, sizeof(state->m_ram_2)); memset(state->m_ram_att,0, sizeof(state->m_ram_att)); memset(state->m_ram_3, 0, sizeof(state->m_ram_3)); memset(state->m_ram_4, 0, sizeof(state->m_ram_4)); state->save_item(NAME(state->m_ram_1)); state->save_item(NAME(state->m_ram_2)); state->save_item(NAME(state->m_ram_att)); state->save_item(NAME(state->m_ram_3)); state->save_item(NAME(state->m_ram_4)); memory_configure_bank(machine, "bank1", 0, 8, &ROM[0x10000], 0x4000); memory_set_bank(machine, "bank1", 0); } GAME( 1993, discoboy, 0, discoboy, discoboy, discoboy, ROT270, "Soft Art Co.", "Disco Boy", GAME_SUPPORTS_SAVE )