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https://github.com/holub/mame
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From: Corrado Tomaselli
Subject: rygar clocks Corrected clocks on Rygar. Concerning the 400khz resonator, it's genuine, not resoldered even if schematics shows a 384khz resonator. Another Rygar from a friend of mine has a 400khz resonator so it's possible Tecmo had a stock of those resonators to use in change of the 384khz ones.
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@ -566,11 +566,11 @@ static const struct MSM5205interface msm5205_interface =
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static MACHINE_DRIVER_START( rygar )
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/* basic machine hardware */
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MDRV_CPU_ADD_TAG("main", Z80, 4000000)
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MDRV_CPU_ADD_TAG("main", Z80, XTAL_24MHz/4) /* verified on pcb */
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MDRV_CPU_PROGRAM_MAP(readmem,rygar_writemem)
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MDRV_CPU_VBLANK_INT("main", irq0_line_hold)
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MDRV_CPU_ADD_TAG("sound", Z80, 4000000)
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MDRV_CPU_ADD_TAG("sound", Z80, XTAL_4MHz) /* verified on pcb */
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/* audio CPU */
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MDRV_CPU_PROGRAM_MAP(rygar_sound_readmem,rygar_sound_writemem)
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@ -591,11 +591,11 @@ static MACHINE_DRIVER_START( rygar )
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/* sound hardware */
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MDRV_SPEAKER_STANDARD_MONO("mono")
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MDRV_SOUND_ADD(YM3812, 4000000)
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MDRV_SOUND_ADD(YM3812, XTAL_4MHz) /* verified on pcb */
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MDRV_SOUND_CONFIG(ym3812_interface)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
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MDRV_SOUND_ADD(MSM5205, 384000)
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MDRV_SOUND_ADD(MSM5205, XTAL_400kHz) /* verified on pcb, even if schematics shows a 384khz resonator */
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MDRV_SOUND_CONFIG(msm5205_interface)
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MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
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MACHINE_DRIVER_END
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