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bionicc.c: Show where the machine clocks come from. - NW

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This commit is contained in:
Brian Troha 2014-10-16 21:24:34 +00:00
parent aa58b97d9f
commit 157af58a53
1 changed files with 3 additions and 6 deletions
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9
src/mame/drivers/bionicc.c
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@ -60,9 +60,6 @@
#include "sound/2151intf.h"
#include "includes/bionicc.h"
#define MASTER_CLOCK XTAL_24MHz
#define EXO3_F0_CLK XTAL_14_31818MHz
/*************************************
*
@ -345,11 +342,11 @@ void bionicc_state::machine_reset()
static MACHINE_CONFIG_START( bionicc, bionicc_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, MASTER_CLOCK / 2) /* 12 MHz - verified in schematics */
MCFG_CPU_ADD("maincpu", M68000, XTAL_24MHz / 2) /* 12 MHz - verified in schematics */
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", bionicc_state, bionicc_scanline, "screen", 0, 1)
MCFG_CPU_ADD("audiocpu", Z80, EXO3_F0_CLK / 4) /* EXO3 C,B=GND, A=5V ==> Divisor 2^2 */
MCFG_CPU_ADD("audiocpu", Z80, XTAL_14_31818MHz / 4) /* EXO3 C,B=GND, A=5V ==> Divisor 2^2 */
MCFG_CPU_PROGRAM_MAP(sound_map)
/* FIXME: interrupt timing
* schematics indicate that nmi_line is set on M680000 access with AB1=1
@ -376,7 +373,7 @@ static MACHINE_CONFIG_START( bionicc, bionicc_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_YM2151_ADD("ymsnd", 3579545)
MCFG_YM2151_ADD("ymsnd", XTAL_14_31818MHz / 4)
MCFG_SOUND_ROUTE(0, "mono", 0.60)
MCFG_SOUND_ROUTE(1, "mono", 0.60)
MACHINE_CONFIG_END