/* Mirage Youjuu Mahjongden todo: inputs, eeprom? sound (is mbl-03.10a a bad dump?) */ /* Mirage Youjuu Mahjongden (c)1994 Mitchell MT4001-2 DEC-22V0 all custom chips are surface scratched, but I believe they are DECO156 and mates. Sound: M6295x2 OSC : 28.0000MHz MBL-00.7A [2e258b7b] MBL-01.11A [895be69a] MBL-02.12A [474f6104] MBL-03.10A [afccbc3c] MBL-04.12K [b533123d] MR_00-.2A [3a53f33d] MR_01-.3A [a0b758aa] */ #include "driver.h" #include "decocrpt.h" #include "decoprot.h" #include "deco16ic.h" #include "sound/okim6295.h" #include "deco16ic.h" static void draw_sprites(running_machine *machine, mame_bitmap *bitmap,const rectangle *cliprect) { int offs; for (offs = 0;offs < 0x400;offs += 4) { int x,y,sprite,colour,multi,fx,fy,inc,flash,mult; sprite = spriteram16[offs+1]; if (!sprite) continue; y = spriteram16[offs]; flash=y&0x1000; if (flash && (cpu_getcurrentframe() & 1)) continue; x = spriteram16[offs+2]; colour = (x >>9) & 0x1f; fx = y & 0x2000; fy = y & 0x4000; multi = (1 << ((y & 0x0600) >> 9)) - 1; /* 1x, 2x, 4x, 8x height */ x = x & 0x01ff; y = y & 0x01ff; if (x >= 320) x -= 512; if (y >= 256) y -= 512; y = 240 - y; x = 304 - x; if (x>320) continue; sprite &= ~multi; if (fy) inc = -1; else { sprite += multi; inc = 1; } if (flip_screen) { y=240-y; x=304-x; if (fx) fx=0; else fx=1; if (fy) fy=0; else fy=1; mult=16; } else mult=-16; while (multi >= 0) { drawgfx(bitmap,machine->gfx[2], sprite - multi * inc, colour, fx,fy, x,y + mult * multi, cliprect,TRANSPARENCY_PEN,0); multi--; } } } static int mirage_bank_callback(const int bank) { return ((bank>>4)&0x7) * 0x1000; } VIDEO_START(mirage) { deco16_1_video_init(); deco16_set_tilemap_bank_callback(0, mirage_bank_callback); deco16_set_tilemap_bank_callback(1, mirage_bank_callback); } VIDEO_UPDATE(mirage) { flip_screen_set( deco16_pf12_control[0]&0x80 ); deco16_pf12_update(deco16_pf1_rowscroll,deco16_pf2_rowscroll); fillbitmap(bitmap,machine->pens[256],cliprect); /* not verified */ deco16_tilemap_2_draw(bitmap,cliprect,TILEMAP_DRAW_OPAQUE,0); deco16_tilemap_1_draw(bitmap,cliprect,0,0); draw_sprites(machine,bitmap,cliprect); return 0; } static READ16_HANDLER( mirage_controls_r ) { return readinputportbytag("SYSTEM_IN"); } READ16_HANDLER( random_readers ) { return mame_rand(Machine); } READ16_HANDLER( mirage_input_r ) { UINT16 port = readinputportbytag("MIRAGE0"); return port; } static ADDRESS_MAP_START( mirage_readmem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM) AM_RANGE(0x100000, 0x101fff) AM_READ(MRA16_RAM) AM_RANGE(0x102000, 0x103fff) AM_READ(MRA16_RAM) AM_RANGE(0x110000, 0x110bff) AM_READ(MRA16_RAM) AM_RANGE(0x112000, 0x112bff) AM_READ(MRA16_RAM) AM_RANGE(0x120000, 0x1207ff) AM_READ(MRA16_RAM) AM_RANGE(0x130000, 0x1307ff) AM_READ(MRA16_RAM) AM_RANGE(0x140006, 0x140007) AM_READ(random_readers) AM_RANGE(0x150006, 0x150007) AM_READ(MRA16_NOP) AM_RANGE(0x16c006, 0x16c007) AM_READ(mirage_input_r) AM_RANGE(0x16e002, 0x16e003) AM_READ(mirage_controls_r) AM_RANGE(0x170000, 0x173fff) AM_READ(MRA16_RAM) ADDRESS_MAP_END static ADDRESS_MAP_START( mirage_writemem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM) /* tilemaps */ AM_RANGE(0x100000, 0x101fff) AM_WRITE(deco16_pf1_data_w) AM_BASE(&deco16_pf1_data) // 0x100000 - 0x101fff tested AM_RANGE(0x102000, 0x103fff) AM_WRITE(deco16_pf2_data_w) AM_BASE(&deco16_pf2_data) // 0x102000 - 0x102fff tested /* linescroll */ AM_RANGE(0x110000, 0x110bff) AM_WRITE(MWA16_RAM) AM_BASE(&deco16_pf1_rowscroll) AM_RANGE(0x112000, 0x112bff) AM_WRITE(MWA16_RAM) AM_BASE(&deco16_pf2_rowscroll) AM_RANGE(0x120000, 0x1207ff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_RANGE(0x130000, 0x1307ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16) AM_RANGE(0x150000, 0x150001) AM_WRITE(MWA16_NOP) AM_RANGE(0x150002, 0x150003) AM_WRITE(MWA16_NOP) AM_RANGE(0x160000, 0x160001) AM_WRITE(MWA16_NOP) AM_RANGE(0x168000, 0x16800f) AM_WRITE(MWA16_RAM) AM_BASE(&deco16_pf12_control) AM_RANGE(0x16a000, 0x16a001) AM_WRITE(MWA16_NOP) AM_RANGE(0x16c000, 0x16c001) AM_WRITE(MWA16_NOP) AM_RANGE(0x16c002, 0x16c003) AM_WRITE(MWA16_NOP) // input multiplex? AM_RANGE(0x16c004, 0x16c005) AM_WRITE(MWA16_NOP) AM_RANGE(0x16e000, 0x16e001) AM_WRITE(MWA16_NOP) AM_RANGE(0x170000, 0x173fff) AM_WRITE(MWA16_RAM) ADDRESS_MAP_END INPUT_PORTS_START( mirage ) PORT_START_TAG("SYSTEM_IN") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_VBLANK ) PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) // eeprom read? PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_START_TAG("MIRAGE0") PORT_DIPNAME( 0x0001, 0x0001, "TEST?" ) PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0002, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) INPUT_PORTS_END static const gfx_layout tile_8x8_layout = { 8,8, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, 8*16 }; static const gfx_layout tile_16x16_layout = { 16,16, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, { 256,257,258,259,260,261,262,263,0, 1, 2, 3, 4, 5, 6, 7 }, { 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 }, 32*16 }; static const gfx_layout spritelayout = { 16,16, RGN_FRAC(1,1), 4, { 24,8,16,0 }, { 512,513,514,515,516,517,518,519, 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32, 8*32, 9*32,10*32,11*32,12*32,13*32,14*32,15*32}, 32*32 }; static GFXDECODE_START( mirage ) GFXDECODE_ENTRY(REGION_GFX1, 0, tile_8x8_layout, 0x000, 32) /* Tiles (8x8) */ GFXDECODE_ENTRY(REGION_GFX1, 0, tile_16x16_layout, 0x000, 32) /* Tiles (16x16) */ GFXDECODE_ENTRY(REGION_GFX2, 0, spritelayout, 0x200, 32) /* Sprites (16x16) */ GFXDECODE_END static MACHINE_DRIVER_START( mirage ) /* basic machine hardware */ MDRV_CPU_ADD(M68000, 28000000/2) MDRV_CPU_PROGRAM_MAP(mirage_readmem,mirage_writemem) MDRV_CPU_VBLANK_INT(irq6_line_hold,1) MDRV_SCREEN_REFRESH_RATE(58) MDRV_SCREEN_VBLANK_TIME(USEC_TO_SUBSECONDS(529)) /* video hardware */ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(40*8, 32*8) MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 1*8, 31*8-1) MDRV_GFXDECODE(mirage) MDRV_PALETTE_LENGTH(1024) MDRV_VIDEO_START(mirage) MDRV_VIDEO_UPDATE(mirage) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD(OKIM6295, 1000000) MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MDRV_SOUND_ADD(OKIM6295, 1000000) MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_DRIVER_END ROM_START( mirage ) ROM_REGION( 0x80000, REGION_CPU1, 0 ) /* 68000 code */ ROM_LOAD16_BYTE( "mr_00-.2a", 0x00000, 0x40000, CRC(3a53f33d) SHA1(0f654021dcd64202b41e0ef5ef3cdf5dd274f8a5) ) ROM_LOAD16_BYTE( "mr_01-.3a", 0x00001, 0x40000, CRC(a0b758aa) SHA1(7fb5faf6fb57cd72a3ac24b8af1f33e504ac8398) ) ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE ) /* Tiles - Encrypted */ ROM_LOAD( "mbl-00.7a", 0x000000, 0x100000, CRC(2e258b7b) SHA1(2dbd7d16a1eda97ae3de149b67e80e511aa9d0ba) ) ROM_REGION( 0x400000, REGION_GFX2, ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD16_BYTE( "mbl-01.11a", 0x000001, 0x200000, CRC(895be69a) SHA1(541d8f37fb4cf99312b80a0eb0d729fbbeab5f4f) ) ROM_LOAD16_BYTE( "mbl-02.12a", 0x000000, 0x200000, CRC(474f6104) SHA1(ff81b32b90192c3d5f27c436a9246aa6caaeeeee) ) ROM_REGION( 0x200000, REGION_SOUND1, 0 ) /* M6295 samples (scrambled? bad?) */ ROM_LOAD( "mbl-03.10a", 0x000000, 0x200000, BAD_DUMP CRC(afccbc3c) SHA1(457b7fbd22e723e69b65a989ee9957354b673176) ) // dumped in wrong mode, missing every other byte ROM_REGION( 0x200000, REGION_SOUND2, 0 ) /* M6295 samples */ ROM_LOAD( "mbl-04.12k", 0x000000, 0x100000, CRC(b533123d) SHA1(2cb2f11331d00c2d282113932ed2836805f4fc6e) ) ROM_END static void descramble_sound( int region ) { UINT8 *rom = memory_region(region); int length = memory_region_length(region); UINT8 *buf1 = malloc_or_die(length); UINT32 x; for (x=0;x