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ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
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08909 | Debugger | Major | Sometimes | Aug 30, 2024, 13:08 | 23 days ago |
Tester | jman | View Status | Public | Platform | MAME (Official Binary) |
Assigned To | Resolution | Open | OS | Windows 10/11 (64-bit) | |
Status [?] | Confirmed | Driver | |||
Version | 0.269 | Fixed in Version | Build | 64-bit | |
Fixed in Git Commit | Github Pull Request # | ||||
Summary | 08909: debugger: Sometimes stateload command fails to load state | ||||
Description |
Sometimes stateload (or sl) command via debugger fails to load state No problem with usual way (press F7 key then select state or press shift + F7 key). I attache two "quick" save state, kof94 (neogeo/neogeo.cpp) and megadriv/gynoug (sega/mdconsole.cpp) (NOTE : neogeo and megadriv have "support save" flag) Both games will be reset after loaded state via stateload command. Also I confirm other games, gigandes (freeze), dondoko (address error), vulcan (illegal instruction). |
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Steps To Reproduce |
Sample 1 : kof94 1) extract attached "quick.sta" into sta/kof94 folder 2) start the game (mame kof94) 3) open debugger 4) input "sl quick" Sample 2 : megadriv/gynoug 1) extract attached "quick.sta" into sta/megadriv folder 2) start the game (mame megadriv gynoug) 3) open debugger 4) input "sl quick" |
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Additional Information | |||||
Github Commit | |||||
Flags | |||||
Regression Version | |||||
Affected Sets / Systems | debugger | ||||
Attached Files
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0269_statesave_kof94_and_gynoug.zip (77,858 bytes) Aug 30, 2024, 13:08 Uploaded by jman | ||||
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There are no relationship linked to this issue. |
Notes
4
No.22293
hap Developer
Aug 31, 2024, 06:34
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I can confirm it, but the CPU in question is not 68000: donpachi (single 68k): no issue ridgerac (has 68k and other cpus): no issue flower (multiple Z80): bug pacman (single Z80): bug |
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No.22294
hap Developer
Aug 31, 2024, 08:22
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I tried finding savestates issues in MAME's z80 implementation, but found none that are the cause of this bug. |
No.22295
hap Developer
Aug 31, 2024, 11:43
edited on: Aug 31, 2024, 12:31 |
After more trying, I am getting the problem with donpachi (m68k) as well. So, the CPU type does not matter? It's almost as if, after loading a state, it tries to time travel to the point where you entered the "sl" command. Oh, that thing only happens if the game is running while you enter the command. m_machine.immediate_load(params[0]); does not care about anonymous timers, maybe it should. I don't see what else could cause these issues, since as you said the savestates work fine if you load it normally. |
No.22443
cuavas Administrator
23 days ago
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Isn’t immediate_load supposed to fail if anonymous timers are active? It was supposed to make a best effort to load the saved state and fail if it can’t. |