08159: sf2049, sf2049se: Screen #0 setting reverts back to default

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
08159	Interface	Minor	Always	Dec 20, 2021, 02:32	Dec 23, 2021, 22:02

Tester	PepsiBoy428	View Status	Public	Platform	MAME (Official Binary)
Assigned To	cuavas	Resolution	Fixed	OS	Windows 10/11 (64-bit)
Status [?]	Resolved			Driver	midway/vegas.cpp
Version	0.238	Fixed in Version	0.239	Build	64-bit
		Fixed in Git Commit	c0e2654	Github Pull Request #

Summary	08159: sf2049, sf2049se: Screen #0 setting reverts back to default
Description	Here's a problem I encountered with the Screen #0 setting, the new setting saves at first but if you reboot the game a second time, the setting reverts back to default, the same happens with Rush 2049 Special Edition, This problem didn't happen in previous versions of MAME. Video of this bug is seen here:
Steps To Reproduce	Follow the steps in the video
Additional Information
Github Commit

Flags
Regression Version	0.238
Affected Sets / Systems	sf2049, sf2049se

Attached Files

No.19594 Tafoid Administrator Dec 23, 2021, 19:03	Confirmed regression - November 1-2, 2021 https://github.com/mamedev/mame/commit/8ab63e2072f6cfe19b8f8e2acfbd29754d282c79
No.19596 cuavas Administrator Dec 23, 2021, 22:02	Not sure what causes this, but it has to do with when the first frame is drawn versus when system configuration is loaded. Fixing it gets rid of a comparison on the hot path that shouldn’t ever have been there, so that’s always good.