From 92bcd925f02dcf07ac44b8c6707b7ab2754dd7af Mon Sep 17 00:00:00 2001 From: Tomasz Slanina Date: Sun, 27 Jul 2008 22:50:18 +0000 Subject: [PATCH] Irem m63 - adjusted AY frequencies to proper 1.5 MHz [Stefan Lindberg] --- src/mame/drivers/m63.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/mame/drivers/m63.c b/src/mame/drivers/m63.c index e640ae25c66..6a40de7a340 100644 --- a/src/mame/drivers/m63.c +++ b/src/mame/drivers/m63.c @@ -95,8 +95,8 @@ Notes: TS 2008.06.14: - Addedd sound emulation - atomboy and fghtbskt req different interrupt (T1) - timing than wilytowr, otherwise music/fx tempo is too fast. Maybe both - tmings are wrong - must be verified on real pcb. + timing than wilytowr, otherwise music/fx tempo is too fast. + Music tempo and pitch verified on real pcb. - Extra space in atomboy 2764 eproms is filled with garbage z80 code (taken from one of code roms, but from different offset) - Fghtbskt has one AY, but every frame writes 0 to 2nd AY regs - probably @@ -654,11 +654,11 @@ static MACHINE_DRIVER_START( m63 ) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") /* ????? */ - MDRV_SOUND_ADD("ay1", AY8910, 3579545/4) - MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.20) + MDRV_SOUND_ADD("ay1", AY8910, XTAL_12MHz/8) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) - MDRV_SOUND_ADD("ay2", AY8910, 3579545/4) /* ????? */ - MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.20) + MDRV_SOUND_ADD("ay2", AY8910, XTAL_12MHz/8) /* ????? */ + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MACHINE_DRIVER_END static MACHINE_DRIVER_START( atomboy ) @@ -698,7 +698,7 @@ static MACHINE_DRIVER_START( fghtbskt ) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") - MDRV_SOUND_ADD("ay", AY8910, 12000000/4/2) + MDRV_SOUND_ADD("ay", AY8910, XTAL_12MHz/8) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MDRV_SOUND_ADD("samples", SAMPLES, 0)