Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
07282 Crash/Freeze Major Always Apr 20, 2019, 10:09 Apr 20, 2019, 18:31
Tester Robbbert View Status Public Platform MAME (Self-compiled)
Assigned To AJR Resolution Fixed OS Windows Vista/7/8 (64-bit)
Status [?] Resolved Driver
Version 0.208 Fixed in Version 0.209 Build 32-bit
Fixed in Git Commit Github Pull Request #
Summary MESS-specific 07282: alphatro: After "width 80" entered, MAME freezes
Description After "width 80" entered, MAME freezes
Steps To Reproduce Start alphatro. Enter width 80 and press enter.

Screen splits in half then MAME freezes (not responding)
Additional Information It was working in 0.197 but broken in 0.205
Github Commit
Flags
Regression Version 0.205
Affected Sets / Systems alphatro
Attached Files
 
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Notes
2
User avatar
No.16345
Tafoid
Administrator
Apr 20, 2019, 14:24
Regression appears to be this commit on Dec 13, 2018:
https://github.com/mamedev/mame/commit/591012d8919ca53a0d3774c404e9b7ddb6094277
User avatar
No.16348
AJR
Developer
Apr 20, 2019, 17:47
This is a nasty CRTC/screen timing bug. After the screen is reconfigured for 80-column mode, the calls to reset_origin become more frequent than the screen device's frame updates.