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Added Treasure Island to the Burger Time HW.

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It doesn't work because I highly suspect that there's an unhandled encryption scheme in it (patch on driver of a bogus opcode + 
it crashes after that you play it once + (possibly) wrong video registers handlers).
This commit is contained in:
Angelo Salese 2008-11-24 23:47:28 +00:00
parent 861eb8eab4
commit d121e3f998
2 changed files with 56 additions and 1 deletions
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56
src/mame/drivers/btime.c
View File

@ -167,6 +167,26 @@ static WRITE8_HANDLER( btime_w )
btime_decrypt(space->machine);
}
static WRITE8_HANDLER( tisland_w )
{
if (offset <= 0x07ff) ;
else if (offset >= 0x0c00 && offset <= 0x0c0f) btime_paletteram_w(space,offset - 0x0c00,data);
else if (offset >= 0x1000 && offset <= 0x17ff) ;
else if (offset >= 0x1800 && offset <= 0x1bff) btime_mirrorvideoram_w(space,offset - 0x1800,data);
else if (offset >= 0x1c00 && offset <= 0x1fff) btime_mirrorcolorram_w(space,offset - 0x1c00,data);
else if (offset == 0x4002) btime_video_control_w(space,0,data);
else if (offset == 0x4003) audio_command_w(space,0,data);
else if (offset == 0x4004) bnj_scroll1_w(space,0,data);
else if (offset == 0x4005) bnj_scroll2_w(space,0,data);
// else if (offset == 0x8000) btime_video_control_w(space,0,data);
else logerror("CPU #%d PC %04x: warning - write %02x to unmapped memory address %04x\n",cpunum_get_active(),cpu_get_pc(space->cpu),data,offset);
rambase[offset] = data;
btime_decrypt(space->machine);
}
static WRITE8_HANDLER( zoar_w )
{
if (offset <= 0x07ff) ;
@ -237,6 +257,24 @@ static ADDRESS_MAP_START( cookrace_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0xfff9, 0xffff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( tisland_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0xffff) AM_WRITE(tisland_w) /* override the following entries to */
/* support ROM decryption */
AM_RANGE(0x0000, 0x07ff) AM_RAM AM_BASE(&rambase)
AM_RANGE(0x0c00, 0x0c0f) AM_WRITE(btime_paletteram_w) AM_BASE(&paletteram)
AM_RANGE(0x1000, 0x13ff) AM_RAM AM_BASE(&btime_videoram) AM_SIZE(&btime_videoram_size)
AM_RANGE(0x1400, 0x17ff) AM_RAM AM_BASE(&btime_colorram)
AM_RANGE(0x1800, 0x1bff) AM_READWRITE(btime_mirrorvideoram_r, btime_mirrorvideoram_w)
AM_RANGE(0x1c00, 0x1fff) AM_READWRITE(btime_mirrorcolorram_r, btime_mirrorcolorram_w)
AM_RANGE(0x4000, 0x4000) AM_READ_PORT("P1") AM_WRITENOP
AM_RANGE(0x4001, 0x4001) AM_READ_PORT("P2")
AM_RANGE(0x4002, 0x4002) AM_READ_PORT("SYSTEM") AM_WRITE(btime_video_control_w)
AM_RANGE(0x4003, 0x4003) AM_READ_PORT("DSW1") AM_WRITE(audio_command_w)
AM_RANGE(0x4004, 0x4004) AM_READ_PORT("DSW2") AM_WRITE(bnj_scroll1_w)
AM_RANGE(0x4005, 0x4005) AM_WRITE(bnj_scroll2_w)
AM_RANGE(0x9000, 0xffff) AM_READ(SMH_ROM)
ADDRESS_MAP_END
static ADDRESS_MAP_START( zoar_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0xffff) AM_WRITE(zoar_w) /* override the following entries to */
/* support ROM decryption */
@ -1271,6 +1309,8 @@ static MACHINE_DRIVER_START( tisland )
/* basic machine hardware */
MDRV_IMPORT_FROM(btime)
MDRV_CPU_MODIFY("main")
MDRV_CPU_PROGRAM_MAP(tisland_map,0)
/* video hardware */
MDRV_GFXDECODE(zoar)
@ -1399,6 +1439,7 @@ ROM_END
ROM_START( tisland )
ROM_REGION( 0x10000, "main", 0 )
ROM_LOAD( "t-04.b7", 0xa000, 0x1000, CRC(641af7f9) SHA1(50cd8f2372725356bb5a66024084363f5c5a870d) )
ROM_RELOAD( 0x9000, 0x1000 )
ROM_LOAD( "t-07.b11", 0xb000, 0x1000, CRC(6af00c8b) SHA1(e3948ca36642d3c2a1f94b017893d6e2fe178bb0) )
ROM_LOAD( "t-05.b9", 0xc000, 0x1000, CRC(95b1a1d3) SHA1(5636580f26e839d1140838c7efc1cabc2cf06f6f) )
ROM_LOAD( "t-08.b13", 0xd000, 0x1000, CRC(b7bbc008) SHA1(751491eac90f46985c83a6c06088638bcd0c0f20) )
@ -1722,6 +1763,19 @@ static DRIVER_INIT( zoar )
init_rom1(machine);
}
static DRIVER_INIT( tisland )
{
UINT8 *rom = memory_region(machine, "main");
/* At location 0xa2b6 there's a strange RLA followed by a BPL that reads from an
unmapped area that causes the game to fail in several circumstances.On the Cassette
version the RLA (33) is in reality a BIT (24),so I'm guessing that there's something
wrong going on in the encryption scheme.*/
memset(&rom[0xa2b6],0x24,1);
init_rom1(machine);
}
static DRIVER_INIT( lnc )
{
decrypt_C10707_cpu(machine, "main");
@ -1751,7 +1805,7 @@ GAME( 1982, btime, 0, btime, btime, btime, ROT270, "Data East C
GAME( 1982, btime2, btime, btime, btime, btime, ROT270, "Data East Corporation", "Burger Time (Data East set 2)", 0 )
GAME( 1982, btimem, btime, btime, btime, btime, ROT270, "Data East (Bally Midway license)", "Burger Time (Midway)", 0 )
GAME( 1982, cookrace, btime, cookrace, cookrace, cookrace,ROT270, "bootleg", "Cook Race", 0 )
GAME( 1981, tisland, 0, tisland, btime, btime, ROT270, "Data East Corporation", "Treasure Island", GAME_NOT_WORKING )
GAME( 1981, tisland, 0, tisland, btime, tisland, ROT270, "Data East Corporation", "Treasure Island", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS )
GAME( 1981, lnc, 0, lnc, lnc, lnc, ROT270, "Data East Corporation", "Lock'n'Chase", 0 )
GAME( 1982, wtennis, 0, wtennis, wtennis, wtennis, ROT270, "bootleg", "World Tennis", 0 )
GAME( 1982, mmonkey, 0, mmonkey, mmonkey, lnc, ROT270, "Technos + Roller Tron", "Minky Monkey", 0 )

1
src/mame/mamedriv.c
View File

@ -4173,6 +4173,7 @@ BOMULEUL CHAJARA SEGA ST-V 1997/04/11
DRIVER( btime ) /* (c) 1982 */
DRIVER( btime2 ) /* (c) 1982 */
DRIVER( btimem ) /* (c) 1982 + Midway */
DRIVER( tisland ) /* (c) 1982 */
DRIVER( cookrace ) /* bootleg */
DRIVER( wtennis ) /* bootleg 1982 */
DRIVER( brubber ) /* (c) 1982 */