00269: gundhara, madshark: Music only comes out of the left speaker. Sound comes out of both.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
00269	Sound	Minor	Always	Jan 28, 2008, 02:07	Jun 8, 2015, 00:20

Tester	Karasu	View Status	Public	Platform
Assigned To	system11	Resolution	Fixed	OS
Status [?]	Resolved			Driver	seta/seta.cpp
Version	0.65	Fixed in Version	0.163	Build
		Fixed in Git Commit		Github Pull Request #

Summary	00269: gundhara, madshark: Music only comes out of the left speaker. Sound comes out of both.
Description	Music only comes out of the left speaker. Sound comes out of both.
Steps To Reproduce
Additional Information	Probable cause in 0.65: "Added stereo support to the X1-010 emulator and made it a proper sound core. [Nicola Salmoria]"
Github Commit

Flags
Regression Version	0.65
Affected Sets / Systems	gundhara, madshark

Attached Files

No.06210 hap Developer May 30, 2010, 18:50	I don't think the soundchip emulation is faulty here, it's more likely the pcb is meant to be hooked up to mono sound, not stereo. Does anyone have msgundam/gundhara/madshark pcb to verify?
No.11722 system11 Senior Tester Jun 7, 2015, 02:29	I've owned all of these (currently still have a Gundhara), none of them have pins for stereo output so even if the chip is stereo it's being mixed to mono on the boards anyway. I'm adding a clone so will fix this in the driver at the same time.
No.11723 system11 Senior Tester Jun 7, 2015, 03:30	https://github.com/mamedev/mame/pull/204
No.11725 system11 Senior Tester Jun 8, 2015, 00:20	Corrected (along with many other games in seta.c) - these boards have stereo sound chips but are mixed for mono output only for most (potentially all) games. Corrected all instances I have hardware experience with.