diff --git a/src/mame/drivers/midyunit.c b/src/mame/drivers/midyunit.c index d292db82733..520ce0fbf1d 100644 --- a/src/mame/drivers/midyunit.c +++ b/src/mame/drivers/midyunit.c @@ -1022,7 +1022,7 @@ static MACHINE_DRIVER_START( zunit ) MDRV_SCREEN_ADD("main", 0) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) - MDRV_SCREEN_RAW_PARAMS(MEDRES_PIXEL_CLOCK, 673, 0, 511, 433, 0, 399) + MDRV_SCREEN_RAW_PARAMS(MEDRES_PIXEL_CLOCK*2, 673, 0, 511, 433, 0, 399) MDRV_VIDEO_START(midzunit) MDRV_VIDEO_UPDATE(tms340x0) @@ -1055,7 +1055,7 @@ static MACHINE_DRIVER_START( yunit_core ) MDRV_SCREEN_ADD("main", 0) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) - MDRV_SCREEN_RAW_PARAMS(STDRES_PIXEL_CLOCK, 505, 0, 399, 289, 0, 253) + MDRV_SCREEN_RAW_PARAMS(STDRES_PIXEL_CLOCK*2, 505, 0, 399, 289, 0, 253) MDRV_VIDEO_UPDATE(tms340x0) MACHINE_DRIVER_END