(From Corrado Tomaselli)

Verified some cpu clocks of original boards using a frequency counter:
 * Changed Success Joe Ym2203 clock from 3mhz to 4mhz
 * Changed Pang M6295 clock from 990khz to 1Mhz
 * Changed Halley Comet main cpu clock to 1.664mhz (it's not a mistake, the clock is very low)
This commit is contained in:
Aaron Giles 2007-12-24 03:13:19 +00:00
parent ec956ae1bf
commit a570a7d8c6
3 changed files with 11 additions and 11 deletions

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@ -353,16 +353,16 @@ static DRIVER_INIT( ashnojoe )
static MACHINE_DRIVER_START( ashnojoe ) static MACHINE_DRIVER_START( ashnojoe )
/* basic machine hardware */ /* basic machine hardware */
MDRV_CPU_ADD(M68000, 8000000) /* 8 MHz? */ MDRV_CPU_ADD(M68000, 8000000) /* 8 MHz (verified on pcb) */
MDRV_CPU_PROGRAM_MAP(ashnojoe_readmem,ashnojoe_writemem) MDRV_CPU_PROGRAM_MAP(ashnojoe_readmem,ashnojoe_writemem)
MDRV_CPU_VBLANK_INT(irq1_line_hold,1) MDRV_CPU_VBLANK_INT(irq1_line_hold,1)
MDRV_CPU_ADD(Z80, 4000000) /* 4 MHz ??? */ MDRV_CPU_ADD(Z80, 4000000) /* 4 MHz (verified on pcb) */
/* audio CPU */ /* audio CPU */
MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem) MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
MDRV_CPU_IO_MAP(sound_readport,sound_writeport) MDRV_CPU_IO_MAP(sound_readport,sound_writeport)
MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
/* video hardware */ /* video hardware */
@ -380,7 +380,7 @@ static MACHINE_DRIVER_START( ashnojoe )
/* sound hardware */ /* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD(YM2203, 3000000) MDRV_SOUND_ADD(YM2203, 4000000) /* 4 MHz (verified on pcb) */
MDRV_SOUND_CONFIG(ym2203_interface) MDRV_SOUND_CONFIG(ym2203_interface)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)

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@ -1947,11 +1947,11 @@ static const struct AY8910interface ay8910_interface =
static MACHINE_DRIVER_START( halleys ) static MACHINE_DRIVER_START( halleys )
MDRV_CPU_ADD_TAG("main", M6809, 19968000/4) // 5Mhz?(19.968MHz XTAL) MDRV_CPU_ADD_TAG("main", M6809, 1664000) /* 19968000/12 (verified on pcb) */
MDRV_CPU_PROGRAM_MAP(readmem, writemem) MDRV_CPU_PROGRAM_MAP(readmem, writemem)
MDRV_CPU_VBLANK_INT(halleys_interrupt, 4) MDRV_CPU_VBLANK_INT(halleys_interrupt, 4)
MDRV_CPU_ADD(Z80, 6000000/2) // 3MHz(6MHz XTAL) MDRV_CPU_ADD(Z80, 6000000/2) /* (verified on pcb) */
/* audio CPU */ /* audio CPU */
MDRV_CPU_PROGRAM_MAP(sound_readmem, sound_writemem) MDRV_CPU_PROGRAM_MAP(sound_readmem, sound_writemem)
MDRV_CPU_PERIODIC_INT(irq0_line_hold, (double)6000000/(4*16*16*10*16)) MDRV_CPU_PERIODIC_INT(irq0_line_hold, (double)6000000/(4*16*16*10*16))
@ -1975,7 +1975,7 @@ static MACHINE_DRIVER_START( halleys )
// sound hardware // sound hardware
MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD(AY8910, 6000000/4) MDRV_SOUND_ADD(AY8910, 6000000/4) /* (verified on pcb) */
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15)
MDRV_SOUND_ADD(AY8910, 6000000/4) MDRV_SOUND_ADD(AY8910, 6000000/4)

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@ -1361,7 +1361,7 @@ MACHINE_DRIVER_END
static MACHINE_DRIVER_START( pang ) static MACHINE_DRIVER_START( pang )
/* basic machine hardware */ /* basic machine hardware */
MDRV_CPU_ADD_TAG("main",Z80, 8000000) /* Super Pang says 8MHZ ORIGINAL BOARD */ MDRV_CPU_ADD_TAG("main",Z80, 8000000) /* (verified on pcb) */
MDRV_CPU_PROGRAM_MAP(readmem,writemem) MDRV_CPU_PROGRAM_MAP(readmem,writemem)
MDRV_CPU_IO_MAP(readport,writeport) MDRV_CPU_IO_MAP(readport,writeport)
MDRV_CPU_VBLANK_INT(irq0_line_hold,2) /* ??? one extra irq seems to be needed for music (see input5_r) */ MDRV_CPU_VBLANK_INT(irq0_line_hold,2) /* ??? one extra irq seems to be needed for music (see input5_r) */
@ -1385,11 +1385,11 @@ static MACHINE_DRIVER_START( pang )
/* sound hardware */ /* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD_TAG("oki", OKIM6295, 990000) MDRV_SOUND_ADD_TAG("oki", OKIM6295, 1000000) /* (verified on pcb) */
MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 verified
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MDRV_SOUND_ADD_TAG("ym2413",YM2413, 4000000) MDRV_SOUND_ADD_TAG("ym2413",YM2413, 4000000) /* (verified on pcb) */
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END MACHINE_DRIVER_END