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Allow the game to be playable at the cost in being slower (???)

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This commit is contained in:
Angelo Salese 2009-06-14 22:18:08 +00:00
parent 2f5ac526c6
commit 27a024d949
1 changed files with 9 additions and 1 deletions
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10
src/mame/drivers/liberate.c
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@ -224,6 +224,7 @@ static ADDRESS_MAP_START( prosport_map, ADDRESS_SPACE_PROGRAM, 8 )
// AM_RANGE(0x2000, 0x2fff) AM_RAM //likely i/o
AM_RANGE(0x2000, 0x27ff) AM_SHARE(2) AM_RAM
AM_RANGE(0x2800, 0x281f) AM_SHARE(1) AM_RAM AM_BASE(&spriteram)
// AM_RANGE(0x2800, 0x2fff) AM_SHARE(2) AM_RAM
AM_RANGE(0x3000, 0x33ff) AM_RAM_WRITE(liberate_colorram_w) AM_BASE(&colorram)
AM_RANGE(0x3400, 0x37ff) AM_RAM_WRITE(liberate_videoram_w) AM_BASE(&videoram)
AM_RANGE(0x3800, 0x3fff) AM_SHARE(1) AM_RAM
@ -707,6 +708,13 @@ static INTERRUPT_GEN( deco16_interrupt )
}
}
static INTERRUPT_GEN( prosport_interrupt )
{
/* ??? */
cpu_set_input_line(device, DECO16_IRQ_LINE, HOLD_LINE);
}
/*************************************
*
* Machine driver(s)
@ -798,7 +806,7 @@ static MACHINE_DRIVER_START( prosport )
MDRV_CPU_ADD("maincpu", DECO16, 2000000)
MDRV_CPU_PROGRAM_MAP(prosport_map)
MDRV_CPU_IO_MAP(deco16_io_map)
MDRV_CPU_VBLANK_INT("screen", deco16_interrupt)
MDRV_CPU_VBLANK_INT("screen", prosport_interrupt)
MDRV_CPU_ADD("audiocpu", M6502, 1500000)
MDRV_CPU_PROGRAM_MAP(liberate_sound_map)