06118: taitofx1, vspsx: "Unknown" dipswitches 3 and 4 on PlayStation-based arcade hardware

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
06118	DIP/Input	Minor	Always	Jan 2, 2016, 04:02	29 days ago

Tester	ketburai	View Status	Public	Platform	MAME (Official Binary)
Assigned To	smf	Resolution	Fixed	OS
Status [?]	Resolved			Driver	sony/zn.cpp
Version	0.169	Fixed in Version	0.180	Build
		Fixed in Git Commit		Github Pull Request #

Summary	06118: taitofx1, vspsx: "Unknown" dipswitches 3 and 4 on PlayStation-based arcade hardware
Description	Seems these do different things for each brand. So far I see: -Taito: Not sure what dip 3 does yet, but dip 4 brings the game's test menu up on boot. -Video System: Dip 3 brings up the game's test menu on boot, dip 4 purges nvram completely and prevents further saving (the test menu notes status of this at the bottom). I imagine every brand uses one of them for game test menus. edit: Sorry about that, for some reason I completely missed the DIP/Input category.
Steps To Reproduce
Additional Information
Github Commit

Flags	Noted in Source
Regression Version
Affected Sets / Systems	taitofx1, vspsx

Attached Files

No.12323 Osso Moderator Jan 4, 2016, 08:25	Thanks for the report! At line 2692 of drivers/zn.c there's a note about this: PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x08, "S551:4" ) // game testmode in some games So it probably should be researched for every game and eventually correctly identified/differentiated in the source.