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Viewing Issue Advanced Details
ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
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04621 | Timing | Minor | Always | Jan 20, 2012, 01:46 | Jun 29, 2018, 05:06 |
Tester | hap | View Status | Public | Platform | |
Assigned To | Kale | Resolution | Fixed | OS | |
Status [?] | Resolved | Driver | |||
Version | 0.144u6 | Fixed in Version | 0.200 | Build | |
Fixed in Git Commit | Github Pull Request # | ||||
Summary | 04621: ironhors: 30fps framerate seems abnormal | ||||
Description |
30fps framerate seems abnormal. Looking at the hardware description (MAME source), the game probably uses the same custom interrupt controller as gberet. Refer to http://www.mametesters.org/view.php?id=3600 (and gberet.c) for more information. |
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Steps To Reproduce | |||||
Additional Information | |||||
Github Commit | |||||
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Regression Version | |||||
Affected Sets / Systems | ironhors | ||||
Attached Files
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Relationships
Notes
8
No.08055
Fujix Administrator
Jan 20, 2012, 13:50
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I found a PCB recording video at http://d.hatena.ne.jp/video/niconico/sm3842410 though it won't help to determine the frame rate, it is working quite faster. And there are some color differences, but I'm not sure it is correct or not. |
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No.08056
haynor666 Tester
Jan 20, 2012, 14:02
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Proportions suggest that video is from emulator not physical PCB. Player uses whip very fast, it looks like autofire to me. |
No.08057
Fujix Administrator
Jan 20, 2012, 14:34
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There are many control boxes with analog autofire here. Why do you think those proportions suggest it from an emulator? There are also many tools to convert analog RGB output to normal composite signal.. Anyway please ignore that video. |
No.08059
hap Developer
Jan 20, 2012, 18:47
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A video can't confirm this, it would need to be measured on the PCB. |
No.14508
Osso Moderator
Dec 9, 2017, 07:38
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Measured by kold666: main Xtal is 18.432mhz Z80 runs at 3.072mhz M6809E runs at 1.532mhz ( NOT 3.072mhz) Vsync is 61hz |
No.14510
haynor666 Tester
Dec 9, 2017, 21:30
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61 or 60,606060 ? Please note that video You mentioned in source is probably from emulator. |
No.14511
Osso Moderator
Dec 10, 2017, 06:56
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Measured 61. H-Sync measured 15,56khz. |
No.14512
Osso Moderator
Dec 10, 2017, 10:44
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Video reference from kold666: |