diff options
-rw-r--r-- | src/mame/drivers/prehisle.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/drivers/prehisle.c b/src/mame/drivers/prehisle.c index eb98e6b6683..7a384a033cb 100644 --- a/src/mame/drivers/prehisle.c +++ b/src/mame/drivers/prehisle.c @@ -205,10 +205,10 @@ static MACHINE_CONFIG_START( prehisle, prehisle_state ) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_REFRESH_RATE(60) - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) - MCFG_SCREEN_SIZE(32*8, 32*8) - MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + // the screen parameters are guessed but should be accurate. They + // give a theoretical refresh rate of 59.1856Hz while the measured + // rate on a snk68.c with very similar hardware board is 59.16Hz. + MCFG_SCREEN_RAW_PARAMS(XTAL_24MHz/4, 384, 0, 256, 264, 16, 240) MCFG_SCREEN_UPDATE_DRIVER(prehisle_state, screen_update_prehisle) MCFG_SCREEN_PALETTE("palette") |