06945: srumbler, srumbler2, srumbler3, rushcrsh: The music BGM looks a bit slow and/or out of sync

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
06945	Sound	Minor	Always	Apr 19, 2018, 21:32	22 days ago

Tester	Fortuna	View Status	Public	Platform	MAME (Official Binary)
Assigned To	hap	Resolution	Fixed	OS	Windows 10 (64-bit)
Status [?]	Resolved			Driver	capcom/srumbler.cpp
Version	0.196	Fixed in Version	0.273GIT	Build	64-bit
		Fixed in Git Commit	644c041	Github Pull Request #

Summary	06945: srumbler, srumbler2, srumbler3, rushcrsh: The music BGM looks a bit slow and/or out of sync
Description	This is very noticiable in the game, principally in the start (when all are taken hostages), this problem exist various years ago The possible are: Out of sync BGM and sounds with incorrect clockspeed The cpu has wrong sync and incorrect clocks A video(original pcb) PS: This behavour is not present in PS3 version (capcom arcade cabinet)
Steps To Reproduce
Additional Information	The SFX too is very quiet compared with the arcade pcb
Github Commit

Flags	Verified with Original
Regression Version
Affected Sets / Systems	srumbler, srumbler2, srumbler3, rushcrsh

Attached Files

No.14969 Fujix Administrator Apr 20, 2018, 05:31 edited on: Apr 20, 2018, 05:32
No.17274 Fortuna Tester Dec 14, 2019, 04:51	Find a solution "patch" The fps limit sets to 56.500 and the game fix all the problems with the timming in the game
No.22555 hap Developer 22 days ago	A longer video here (turn up the volume) Music pitch and tempo matches MAME. Overclocking the maincpu in MAME has no effect on music sync, clearing maincpu vblank IRQ at vblank end has no effect either. So the most likely cause is incorrect screen refresh rate.