mirror of
https://github.com/holub/mame
synced 2025-06-30 16:00:01 +03:00
Removes color table from Centipede and related games
This commit is contained in:
Zsolt Vasvari
parent
faa995111f
commit
bd18da7d71
@ -9,26 +9,22 @@
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* Maze Invaders (prototype)
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* Bulls Eye Darts
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Centipede sync-prom added by HIGHWAYMAN.
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The prom pcb location is:P4 and is 256x4
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(i need to update the dump, this one is read in 8bit-mode)
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Known ROMs (listed in the manual) that need to be dumped/verified:
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Known roms (listed in the manual) that need to be dumped/verified:
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Centipede:
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136001-203.d1 <-- Are these the proper labels for the timed version???
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136001-204.e1
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136001-205.fh1
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136001-206.j1
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Centipede:
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136001-203.d1 <-- Are these the proper labels for the timed version???
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136001-204.e1
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136001-205.fh1
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136001-206.j1
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136001-303.d1 <-- Revision 3 set for the above listed roms
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136001-304.e1
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136001-305.fh1
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136001-306.j1
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136001-303.d1 <-- Revision 3 set for the above listed roms
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136001-304.e1
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136001-305.fh1
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136001-306.j1
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Milipede:
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136013-109.5p
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136013-110.5r
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Milipede:
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136013-109.5p
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136013-110.5r
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****************************************************************************
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@ -1647,10 +1643,8 @@ static MACHINE_DRIVER_START( centiped )
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MDRV_SCREEN_SIZE(32*8, 32*8)
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MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 30*8-1)
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MDRV_GFXDECODE(centiped)
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MDRV_PALETTE_LENGTH(4+4)
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MDRV_COLORTABLE_LENGTH(4+4*4*4*4)
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MDRV_PALETTE_LENGTH(4+4*4*4*4)
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MDRV_PALETTE_INIT(centiped)
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MDRV_VIDEO_START(centiped)
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MDRV_VIDEO_UPDATE(centiped)
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@ -1683,7 +1677,7 @@ static MACHINE_DRIVER_START( centipdb )
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/* sound hardware */
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MDRV_SOUND_REPLACE("pokey", AY8910, 12096000/8)
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MDRV_SOUND_CONFIG(centipdb_ay8910_interface)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 10.0)
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MACHINE_DRIVER_END
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@ -1696,7 +1690,7 @@ static MACHINE_DRIVER_START( magworm )
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/* sound hardware */
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MDRV_SOUND_REPLACE("pokey", AY8910, 12096000/8)
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MDRV_SOUND_CONFIG(centipdb_ay8910_interface)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 15.0)
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MACHINE_DRIVER_END
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@ -1709,10 +1703,8 @@ static MACHINE_DRIVER_START( milliped )
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/* video hardware */
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MDRV_GFXDECODE(milliped)
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MDRV_PALETTE_LENGTH(4*4+4*4)
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MDRV_COLORTABLE_LENGTH(4*4+4*4*4*4*4)
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MDRV_PALETTE_LENGTH(4*4+4*4*4*4*4)
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MDRV_PALETTE_INIT(milliped)
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MDRV_VIDEO_START(milliped)
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MDRV_VIDEO_UPDATE(milliped)
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@ -1736,8 +1728,7 @@ static MACHINE_DRIVER_START( warlords )
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/* video hardware */
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MDRV_GFXDECODE(warlords)
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MDRV_PALETTE_LENGTH(128)
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MDRV_COLORTABLE_LENGTH(8*4+8*4)
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MDRV_PALETTE_LENGTH(8*4+8*4)
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MDRV_PALETTE_INIT(warlords)
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MDRV_VIDEO_START(warlords)
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@ -1777,9 +1768,7 @@ static MACHINE_DRIVER_START( bullsdrt )
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MDRV_SCREEN_SIZE(32*8, 32*8)
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MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 30*8-1)
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MDRV_GFXDECODE(centiped)
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MDRV_PALETTE_LENGTH(4+4)
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MDRV_COLORTABLE_LENGTH(4+4*4*4*4)
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MDRV_PALETTE_INIT(centiped)
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MDRV_PALETTE_LENGTH(4+4*4*4*4)
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MDRV_VIDEO_START(bullsdrt)
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MDRV_VIDEO_UPDATE(bullsdrt)
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@ -1879,6 +1868,7 @@ ROM_START( centipdb )
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ROM_LOAD( "136001-213.p4", 0x0000, 0x0100, CRC(6fa3093a) SHA1(2b7aeca74c1ae4156bf1878453a047330f96f0a8) )
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ROM_END
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ROM_START( millpac )
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ROM_REGION( 0x10000, REGION_CPU1, 0 )
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ROM_LOAD( "millpac1.1d", 0x2000, 0x0800, CRC(4dd6913d) SHA1(9eca634e1a827f9bbcf3c532d44e175ac4751755) )
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@ -1926,7 +1916,7 @@ ROM_END
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ROM_START( mazeinv )
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ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for code */
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ROM_REGION( 0x10000, REGION_CPU1, 0 )
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ROM_LOAD( "005.011", 0x3000, 0x1000, CRC(37129536) SHA1(356cb986a40b332100e00fb72194fd4dade2cba7) )
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ROM_LOAD( "004.011", 0x4000, 0x1000, CRC(2d0fbf2f) SHA1(9d4c2bc9f80604d1ff5c5bf5a4a78378efdd8b33) )
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ROM_LOAD( "003.011", 0x5000, 0x1000, CRC(0ff3747c) SHA1(1a7e1c487c24875dada967fb3a9ceaca25b7e2a7) )
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@ -2028,4 +2018,4 @@ GAME( 1982, milliped, 0, milliped, milliped, 0, ROT270, "Atari",
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GAME( 1980, warlords, 0, warlords, warlords, 0, ROT0, "Atari", "Warlords", GAME_SUPPORTS_SAVE )
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GAME( 1981, mazeinv, 0, mazeinv, mazeinv, 0, ROT270, "Atari", "Maze Invaders (prototype)", 0 )
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GAME( 1985, bullsdrt, 0, bullsdrt, bullsdrt, bullsdrt, ROT270, "Shinkai Inc. (Magic Eletronics Inc. licence)", "Bulls Eye Darts", GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE )
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GAME( 1985, bullsdrt, 0, bullsdrt, bullsdrt, bullsdrt, ROT270, "Shinkai Inc. (Magic Eletronics Inc. licence)", "Bulls Eye Darts", GAME_WRONG_COLORS | GAME_SUPPORTS_SAVE )
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@ -8,8 +8,6 @@
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extern UINT8 centiped_flipscreen, *bullsdrt_tiles_bankram;
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PALETTE_INIT( centiped );
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PALETTE_INIT( milliped );
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PALETTE_INIT( warlords );
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VIDEO_START( centiped );
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@ -57,6 +57,28 @@ static TILE_GET_INFO( bullsdrt_get_tile_info )
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/*************************************
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*
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* Palette init
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*
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*************************************/
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static void init_penmask(void)
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{
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int i;
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for (i = 0; i < 64; i++)
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{
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UINT8 mask = 1;
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if (((i >> 0) & 3) == 0) mask |= 2;
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if (((i >> 2) & 3) == 0) mask |= 4;
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if (((i >> 4) & 3) == 0) mask |= 8;
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penmask[i] = mask;
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}
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}
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/*************************************
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*
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* Video system start
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@ -67,6 +89,8 @@ VIDEO_START( centiped )
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{
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bg_tilemap = tilemap_create(centiped_get_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8,8, 32,32);
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init_penmask();
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centiped_flipscreen = 0;
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state_save_register_global(centiped_flipscreen);
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@ -88,7 +112,10 @@ VIDEO_START( milliped )
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{
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bg_tilemap = tilemap_create(milliped_get_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8,8, 32,32);
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init_penmask();
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centiped_flipscreen = 0;
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state_save_register_global(centiped_flipscreen);
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}
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@ -97,6 +124,8 @@ VIDEO_START( bullsdrt )
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{
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bg_tilemap = tilemap_create(bullsdrt_get_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8,8, 32,32);
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init_penmask();
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centiped_flipscreen = 0;
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}
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@ -156,28 +185,6 @@ WRITE8_HANDLER( bullsdrt_sprites_bank_w )
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/*************************************
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*
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* Palette init
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*
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*************************************/
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static void init_penmask(void)
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{
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int i;
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for (i = 0; i < 64; i++)
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{
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UINT8 mask = 1;
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if (((i >> 0) & 3) == 0) mask |= 2;
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if (((i >> 2) & 3) == 0) mask |= 4;
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if (((i >> 4) & 3) == 0) mask |= 8;
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penmask[i] = mask;
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}
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}
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/***************************************************************************
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Centipede doesn't have a color PROM. Eight RAM locations control
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@ -192,61 +199,64 @@ static void init_penmask(void)
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The alternate bit affects blue and green, not red. The way I weighted its
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effect might not be perfectly accurate, but is reasonably close.
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Centipede is unusual because the sprite color code specifies the
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colors to use one by one, instead of a combination code.
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bit 5-4 = color to use for pen 11
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bit 3-2 = color to use for pen 10
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bit 1-0 = color to use for pen 01
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pen 00 is transparent
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***************************************************************************/
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#define TOTAL_COLORS(gfxn) (machine->gfx[gfxn]->total_colors * machine->gfx[gfxn]->color_granularity)
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#define COLOR(gfxn,offs) (colortable[machine->drv->gfxdecodeinfo[gfxn].color_codes_start + offs])
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PALETTE_INIT( centiped )
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{
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int i;
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/* characters use colors 0-3 */
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for (i = 0; i < TOTAL_COLORS(0); i++)
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COLOR(0,i) = i;
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/* Centipede is unusual because the sprite color code specifies the */
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/* colors to use one by one, instead of a combination code. */
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/* bit 5-4 = color to use for pen 11 */
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/* bit 3-2 = color to use for pen 10 */
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/* bit 1-0 = color to use for pen 01 */
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/* pen 00 is transparent */
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for (i = 0; i < TOTAL_COLORS(1); i += 4)
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{
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COLOR(1,i+0) = 0;
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COLOR(1,i+1) = 4 + ((i >> 2) & 3);
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COLOR(1,i+2) = 4 + ((i >> 4) & 3);
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COLOR(1,i+3) = 4 + ((i >> 6) & 3);
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}
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/* create a pen mask for sprite drawing */
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init_penmask();
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}
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WRITE8_HANDLER( centiped_paletteram_w )
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{
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int r, g, b;
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paletteram[offset] = data;
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r = 0xff * ((~data >> 0) & 1);
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g = 0xff * ((~data >> 1) & 1);
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b = 0xff * ((~data >> 2) & 1);
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if (~data & 0x08) /* alternate = 1 */
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{
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/* when blue component is not 0, decrease it. When blue component is 0, */
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/* decrease green component. */
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if (b) b = 0xc0;
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else if (g) g = 0xc0;
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}
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/* bit 2 of the output palette RAM is always pulled high, so we ignore */
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/* any palette changes unless the write is to a palette RAM address */
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/* that is actually used */
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if (offset & 4)
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palette_set_color(Machine, ((offset >> 1) & 4) | (offset & 3), MAKE_RGB(r, g, b));
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{
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rgb_t color;
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int r = 0xff * ((~data >> 0) & 1);
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int g = 0xff * ((~data >> 1) & 1);
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int b = 0xff * ((~data >> 2) & 1);
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if (~data & 0x08) /* alternate = 1 */
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{
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/* when blue component is not 0, decrease it. When blue component is 0, */
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/* decrease green component. */
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if (b) b = 0xc0;
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else if (g) g = 0xc0;
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}
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color = MAKE_RGB(r, g, b);
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/* character colors, set directly */
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if ((offset & 0x08) == 0)
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palette_set_color(Machine, offset & 0x03, color);
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/* sprite colors - set all the applicable ones */
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else
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{
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int i;
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offset = offset & 0x03;
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for (i = 0; i < 0x100; i += 4)
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{
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if (offset == ((i >> 2) & 0x03))
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palette_set_color(Machine, i + 4 + 1, color);
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if (offset == ((i >> 4) & 0x03))
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palette_set_color(Machine, i + 4 + 2, color);
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if (offset == ((i >> 6) & 0x03))
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palette_set_color(Machine, i + 4 + 3, color);
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}
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}
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}
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}
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@ -265,32 +275,35 @@ WRITE8_HANDLER( centiped_paletteram_w )
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PALETTE_INIT( warlords )
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{
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int i, j;
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int i;
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for (i = 0; i < machine->drv->total_colors; i++)
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{
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int r = ((*color_prom >> 2) & 0x01) * 0xff;
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int g = ((*color_prom >> 1) & 0x01) * 0xff;
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int b = ((*color_prom >> 0) & 0x01) * 0xff;
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UINT8 pen;
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int r, g, b;
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/* Colors 0x40-0x7f are converted to grey scale as it's used on the
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if (i < 0x20)
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/* characters */
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pen = (((i - 0x00) & 0x1c) << 2) | (((i - 0x00) & 0x03) << 0);
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else
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/* sprites */
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pen = (((i - 0x20) & 0x1c) << 2) | (((i - 0x20) & 0x03) << 2);
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r = ((color_prom[pen] >> 2) & 0x01) * 0xff;
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g = ((color_prom[pen] >> 1) & 0x01) * 0xff;
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b = ((color_prom[pen] >> 0) & 0x01) * 0xff;
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/* colors 0x40-0x7f are converted to grey scale as it's used on the
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upright version that had an overlay */
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if (i >= machine->drv->total_colors / 2)
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if (pen >= 0x40)
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{
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/* Use the standard ratios: r = 30%, g = 59%, b = 11% */
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/* use the standard ratios: r = 30%, g = 59%, b = 11% */
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int grey = (r * 0x4d / 0xff) + (g * 0x96 / 0xff) + (b * 0x1c / 0xff);
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r = g = b = grey;
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}
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palette_set_color(machine,i,MAKE_RGB(r,g,b));
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color_prom++;
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}
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for (i = 0; i < 8; i++)
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for (j = 0; j < 4; j++)
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{
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COLOR(0,i*4+j) = i*16+j;
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COLOR(1,i*4+j) = i*16+j*4;
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}
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palette_set_color(machine, i, MAKE_RGB(r, g, b));
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}
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}
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@ -309,43 +322,21 @@ PALETTE_INIT( warlords )
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blue
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bit 0 blue
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Millipede is unusual because the sprite color code specifies the
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colors to use one by one, instead of a combination code.
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bit 7-6 = palette bank (there are 4 groups of 4 colors)
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bit 5-4 = color to use for pen 11
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bit 3-2 = color to use for pen 10
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bit 1-0 = color to use for pen 01
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pen 00 is transparent
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***************************************************************************/
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PALETTE_INIT( milliped )
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static void melliped_mazeinv_set_color(running_machine *machine, offs_t offset, UINT8 data)
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{
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int i;
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/* characters use colors 0-15 */
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for (i = 0; i < TOTAL_COLORS(0); i++)
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COLOR(0,i) = i;
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/* Millipede is unusual because the sprite color code specifies the */
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/* colors to use one by one, instead of a combination code. */
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/* bit 7-6 = palette bank (there are 4 groups of 4 colors) */
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/* bit 5-4 = color to use for pen 11 */
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/* bit 3-2 = color to use for pen 10 */
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/* bit 1-0 = color to use for pen 01 */
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/* pen 00 is transparent */
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for (i = 0; i < TOTAL_COLORS(1); i += 4)
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{
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int base = 16 + 4 * ((i >> 8) & 3);
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COLOR(1,i+0) = 0;
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COLOR(1,i+1) = base + ((i >> 2) & 3);
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COLOR(1,i+2) = base + ((i >> 4) & 3);
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COLOR(1,i+3) = base + ((i >> 6) & 3);
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}
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/* create a pen mask for sprite drawing */
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init_penmask();
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}
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WRITE8_HANDLER( milliped_paletteram_w )
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{
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int bit0,bit1,bit2;
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int r,g,b;
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paletteram[offset] = data;
|
||||
rgb_t color;
|
||||
int bit0, bit1, bit2;
|
||||
int r, g, b;
|
||||
|
||||
/* red component */
|
||||
bit0 = (~data >> 5) & 0x01;
|
||||
@ -365,37 +356,50 @@ WRITE8_HANDLER( milliped_paletteram_w )
|
||||
bit2 = (~data >> 2) & 0x01;
|
||||
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
palette_set_color(Machine, offset, MAKE_RGB(r, g, b));
|
||||
color = MAKE_RGB(r, g, b);
|
||||
|
||||
/* character colors, set directly */
|
||||
if (offset < 0x10)
|
||||
palette_set_color(machine, offset, color);
|
||||
|
||||
/* sprite colors - set all the applicable ones */
|
||||
else
|
||||
{
|
||||
int i;
|
||||
|
||||
int base = offset & 0x0c;
|
||||
|
||||
offset = offset & 0x03;
|
||||
|
||||
for (i = (base << 6); i < (base << 6) + 0x100; i += 4)
|
||||
{
|
||||
if (offset == ((i >> 2) & 0x03))
|
||||
palette_set_color(machine, i + 0x10 + 1, color);
|
||||
|
||||
if (offset == ((i >> 4) & 0x03))
|
||||
palette_set_color(machine, i + 0x10 + 2, color);
|
||||
|
||||
if (offset == ((i >> 6) & 0x03))
|
||||
palette_set_color(machine, i + 0x10 + 3, color);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
WRITE8_HANDLER( milliped_paletteram_w )
|
||||
{
|
||||
paletteram[offset] = data;
|
||||
|
||||
melliped_mazeinv_set_color(Machine, offset, data);
|
||||
}
|
||||
|
||||
|
||||
WRITE8_HANDLER( mazeinv_paletteram_w )
|
||||
{
|
||||
int bit0,bit1,bit2;
|
||||
int r,g,b;
|
||||
|
||||
paletteram[offset] = data;
|
||||
data = memory_region(REGION_PROMS)[~data & 0x0f];
|
||||
|
||||
/* red component */
|
||||
bit0 = (data >> 5) & 0x01;
|
||||
bit1 = (data >> 6) & 0x01;
|
||||
bit2 = (data >> 7) & 0x01;
|
||||
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
/* green component */
|
||||
bit0 = 0;
|
||||
bit1 = (data >> 3) & 0x01;
|
||||
bit2 = (data >> 4) & 0x01;
|
||||
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
/* blue component */
|
||||
bit0 = (data >> 0) & 0x01;
|
||||
bit1 = (data >> 1) & 0x01;
|
||||
bit2 = (data >> 2) & 0x01;
|
||||
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
palette_set_color(Machine, offset, MAKE_RGB(r, g, b));
|
||||
/* the value passed in is a look-up index into the color PROM */
|
||||
melliped_mazeinv_set_color(Machine, offset, ~memory_region(REGION_PROMS)[~data & 0x0f]);
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user