diff options
| author | 2008-07-17 18:07:26 +0000 | |
|---|---|---|
| committer | 2008-07-17 18:07:26 +0000 | |
| commit | a46b0cb0e88ddb6232ee48a7682108702c0955d0 (patch) | |
| tree | b5a5a4ece7802ea80c1d7c8ab1a100b261d4c63f | |
| parent | e5a0b682da739b16604b09673a394f6d56111827 (diff) | |
updated comments after refresh rate was verified on the pcb
| -rw-r--r-- | src/mame/drivers/snk68.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/mame/drivers/snk68.c b/src/mame/drivers/snk68.c index 57319d117c3..96ffed6dfe0 100644 --- a/src/mame/drivers/snk68.c +++ b/src/mame/drivers/snk68.c @@ -38,11 +38,6 @@ Notes: fixed by this (earlier notes in this driver talked about "sprite flickerings and pop-ups" but I don't know where they happened). -TODO: ------ -- Number of raster lines unknown. Currently set to 264 which gives a 59.19Hz - refresh rate. - ***************************************************************************/ #include "driver.h" @@ -615,7 +610,10 @@ static MACHINE_DRIVER_START( pow ) /* video hardware */ MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) - MDRV_SCREEN_RAW_PARAMS(XTAL_24MHz/4, 384, 0, 256, 264, 16, 240) // inaccurate + // the screen parameters are guessed but should be accurate. They + // give a theoretical refresh rate of 59.1856Hz while the measured + // rate on a SAR board is 59.16Hz. + MDRV_SCREEN_RAW_PARAMS(XTAL_24MHz/4, 384, 0, 256, 264, 16, 240) MDRV_GFXDECODE(pow) MDRV_PALETTE_LENGTH(0x800) |
