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39in1 update

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Protection cheat, now playable, removed GAME_NOT_WORKING.

Yes, the cheat sucks and yes this redefines slow, but I was able to coin up
and play Mappy :)
This commit is contained in:
R. Belmont 2009-08-02 23:58:59 +00:00
parent 213c72af7f
commit 70d825920b
1 changed files with 13 additions and 8 deletions
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21
src/mame/drivers/39in1.c
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@ -18,10 +18,6 @@
* TODO:
* PXA255 peripherals
*
* 65b8: load from 138288+14 must be zero, if BNE at 65c0 is taken = deathq
*
* 6740: System Check Error death (don't let it branch here)
*
**************************************************************************/
#include "driver.h"
@ -1228,11 +1224,11 @@ static UINT32 seed, magic;
static UINT32 state = 0;
static READ32_HANDLER( cpld_r )
{
// printf("CPLD read @ %x (PC %x state %d)\n", offset, cpu_get_pc(space->cpu), state);
// if (cpu_get_pc(space->cpu) != 0xe3af4) printf("CPLD read @ %x (PC %x state %d)\n", offset, cpu_get_pc(space->cpu), state);
if (cpu_get_pc(space->cpu) == 0x3f04)
{
return 0x63;
return 0xf0; // any non-zero value works here
}
else if (cpu_get_pc(space->cpu) == 0xe3af4)
{
@ -1302,6 +1298,16 @@ static WRITE32_HANDLER( cpld_w )
// }
}
static READ32_HANDLER( prot_cheater_r )
{
return 0x37;
}
static DRIVER_INIT( 39in1 )
{
memory_install_read32_handler (cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0xa0151648, 0xa015164b, 0, 0, prot_cheater_r);
}
static ADDRESS_MAP_START( 39in1_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x0007ffff) AM_ROM
AM_RANGE(0x00400000, 0x005fffff) AM_ROM AM_REGION("data", 0)
@ -1452,7 +1458,6 @@ static MACHINE_DRIVER_START( 39in1 )
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
//MDRV_SCREEN_RAW_PARAMS(16777216/4, 308, 0, 240, 228, 0, 160) // completely bogus for this h/w
MDRV_SCREEN_SIZE(1024, 1024)
MDRV_SCREEN_VISIBLE_AREA(0, 295, 0, 479)
MDRV_PALETTE_LENGTH(256)
@ -1489,5 +1494,5 @@ ROM_END
ROM_LOAD( "16mflash.bin", 0x000000, 0x200000, CRC(a089f0f8) SHA1(e975eadd9176a8b9e416229589dfe3158cba22cb) )
ROM_END*/
GAME(2004, 39in1, 0, 39in1, 39in1, 0, ROT270, "<unknown>", "39 in 1 MAME bootleg", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2004, 39in1, 0, 39in1, 39in1, 39in1, ROT270, "<unknown>", "39 in 1 MAME bootleg", GAME_NO_SOUND)
//GAME(2004, arm4in1, 0, 39in1, 39in1, 0, ROT0, "<unknown>", "4 in 1 MAME bootleg", GAME_NOT_WORKING|GAME_NO_SOUND)