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This commit is contained in:
Nicola Salmoria 2008-07-14 15:27:34 +00:00
parent 5712e5fa58
commit 1a05fad1c0
1 changed files with 4 additions and 1 deletions
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src/mame/drivers/aliens.c
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@ -236,7 +236,10 @@ static const struct YM2151interface ym2151_interface =
static MACHINE_DRIVER_START( aliens ) static MACHINE_DRIVER_START( aliens )
/* basic machine hardware */ /* basic machine hardware */
MDRV_CPU_ADD(KONAMI, 5000000) /* ? 3MHz is too low, sprites flicker in the pseudo-3D levels */
/* external clock should be 12MHz probably, CPU internal divider and precise cycle timings */
/* are unknown though. 3MHz is too low, sprites flicker in the pseudo-3D levels */
MDRV_CPU_ADD(KONAMI, 6000000) /* ? */
MDRV_CPU_PROGRAM_MAP(aliens_map,0) MDRV_CPU_PROGRAM_MAP(aliens_map,0)
MDRV_CPU_VBLANK_INT("main", aliens_interrupt) MDRV_CPU_VBLANK_INT("main", aliens_interrupt)