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Verified TMS5200 and Vsync clocks from hardware [Corrado Tomaselli]

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This commit is contained in:
Jonathan Gevaryahu 2010-05-24 00:56:12 +00:00
parent cee16fd818
commit 19039c807a
1 changed files with 2 additions and 2 deletions
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4
src/mame/drivers/zaccaria.c
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@ -570,7 +570,7 @@ static MACHINE_DRIVER_START( zaccaria )
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_REFRESH_RATE(60.57) /* verified from pcb */
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
@ -598,7 +598,7 @@ static MACHINE_DRIVER_START( zaccaria )
/* There is no xtal, the clock is obtained from a RC oscillator as shown in the TMS5220 datasheet (R=100kOhm C=22pF) */
/* 162kHz measured on pin 3 20 minutesa fter power on. Clock would then be 162*4=648kHz. */
MDRV_SOUND_ADD("tms", TMS5200, 640000)
MDRV_SOUND_ADD("tms", TMS5200, 649200) /* ROMCLK pin measured at 162.3Khz, OSC is exactly *4 of that) */
MDRV_SOUND_CONFIG(tms5220_config)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
MACHINE_DRIVER_END