| ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 08305 | Crash/Freeze | Critical (emulator) | Always | Apr 26, 2022, 21:55 | Apr 28, 2022, 13:22 |
| Tester | Tafoid | View Status | Public | Platform | MAME (Self-compiled) |
| Assigned To | AJR | Resolution | Fixed | OS | Windows Vista/7/8 (64-bit) |
| Status [?] | Resolved | Driver | |||
| Version | 0.242 | Fixed in Version | 0.244 | Build | Debug |
| Fixed in Git Commit | 1f00541 | Github Pull Request # | |||
| Summary |
 08305: All machines in x68k.cpp: [debug] Assertion failed |
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| Description |
Assertion failed: vpos >= 0, file R:/mame/src/emu/screen.cpp, line 1572 |
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| Steps To Reproduce | |||||
| Additional Information | |||||
| Github Commit | |||||
| Flags | Debug build specific | ||||
| Regression Version | 0.233 | ||||
| Affected Sets / Systems | All machines in x68k.cpp | ||||
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Attached Files
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 No.20100
Robbbert Senior Tester
Apr 28, 2022, 08:15
edited on: Apr 28, 2022, 09:00
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The problem is in src/mame/video/x68k_crtc.cpp line 370. It uses (data - 1), but when data == 0, it causes the assert. If (data - 1) is changed to data it works, but there must have been a reason for the -1. Leaving this to the author. Seems the bug was added in https://github.com/mamedev/mame/commit/daf27a573e5141f42561c9f33b2f94fa431f2a99 |
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