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segag80r: Adjust Sindbad Mystery sound clocks to match PCB footage.

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system1: document alternate Star Jacker board with different sound in source.
This commit is contained in:
Jackson 2018-04-07 15:08:58 -04:00
parent 36eb386c19
commit db71ee1875
2 changed files with 7 additions and 5 deletions
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10
src/mame/drivers/segag80r.cpp
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@ -124,9 +124,9 @@
*
*************************************/
#define CPU_CLOCK 8000000 /* not used when video board is connected */
#define VIDEO_CLOCK 15468000
#define SINDBADM_SOUND_CLOCK 8000000
#define CPU_CLOCK 8_MHz_XTAL /* not used when video board is connected */
#define VIDEO_CLOCK 15.46848_MHz_XTAL
#define SINDBADM_SOUND_CLOCK 8_MHz_XTAL
#define PIXEL_CLOCK (VIDEO_CLOCK/3)
@ -974,10 +974,10 @@ MACHINE_CONFIG_START(segag80r_state::sindbadm)
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
/* sound hardware */
MCFG_SOUND_ADD("sn1", SN76496, SINDBADM_SOUND_CLOCK/4)
MCFG_SOUND_ADD("sn1", SN76496, SINDBADM_SOUND_CLOCK/2) /* matches PCB videos, correct? */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0)
MCFG_SOUND_ADD("sn2", SN76496, SINDBADM_SOUND_CLOCK/2)
MCFG_SOUND_ADD("sn2", SN76496, SINDBADM_SOUND_CLOCK/4) /* matches PCB videos, correct? */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0)
MACHINE_CONFIG_END

2
src/mame/drivers/system1.cpp
View File

@ -15,6 +15,8 @@ DIP locations verified from manual for:
TODO: - remove patch in nobb if possible and fully understand the
ports involved in the protection
- different XTAL/divider configurations for some Star Jacker
cabinets? See you.tube/-a7srHVPb_U
*******************************************************************************