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Viewing Issue Advanced Details
ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
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05093 | Timing | Minor | Always | Dec 25, 2012, 05:22 | Dec 25, 2012, 16:03 |
Tester | shmup999 | View Status | Public | Platform | MAME (Official Binary) |
Assigned To | Resolution | Open | OS | Windows Vista/7 (64-bit) | |
Status [?] | Acknowledged | Driver | |||
Version | 0.145 | Fixed in Version | Build | 64-bit | |
Fixed in Git Commit | Github Pull Request # | ||||
Summary | 05093: dfeveron: [possible] Countdown in Time Attack mode runs a little too slow | ||||
Description | The countdown in Time Attack mode is displayed in minutes, seconds, and decimal fractions of a second. It counts from 3 minutes (maybe 2 minutes 59.99 seconds, really) down to zero. It takes slightly too long to do this: by my reckoning, its "3 minutes" are 3 min 07 sec or 3 min 08 sec real time. I have turned frameskip on and it does not change this. I have set MAME running at "above normal" and even "high" priority and it does not change this. | ||||
Steps To Reproduce |
To access Time Attack mode: insert coin, then hold player 1's first and second buttons while pressing player 1's Start. To see the bug for yourself: have an old mechanical stopwatch ready, and start it exactly when the game starts (after you select your ship, I mean). Occasionally look over at it, and you will see that the game "minutes" are a bit longer than your stopwatch minutes. |
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Additional Information | MAME reports that the screen refresh rate for this game is around 57.55 hertz. I wonder if the difference between this and 60 Hz has to do with the problem. | ||||
Github Commit | |||||
Flags | Possible | ||||
Regression Version | |||||
Affected Sets / Systems | dfeveron | ||||
Attached Files
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Relationships
There are no relationship linked to this issue. |
Notes
2
No.09153
Haze Senior Tester
Dec 25, 2012, 14:35
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quite likely the game timer is based on a 60hz refresh and the actual refresh is 57, such things are very common, but mean it's more likely an original game issue than an emulation one. |
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No.09154
NekoEd Senior Tester
Dec 25, 2012, 16:02
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Yeah, this will require verification against real hardware; I'll acknowledge it until we can get some comparisons. |