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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
01008 Speed Minor Have not tried Feb 8, 2008, 08:40 Jul 27, 2014, 14:03
Tester Bugfinder View Status Public Platform
Assigned To Resolution Open OS
Status [?] Confirmed Driver
Version 0.36b11 Fixed in Version Build
Fixed in Git Commit Github Pull Request #
Summary 01008: speedbal: Running too fast.
Description Running too fast - I recall the original game: attract mode music has two parts, one before and one after the letters from Speed Ball form the game name. The second part of the music must match the time the letters start flashing.

Fix provided by Mamesick (0.122u5): Change the sound CPU Interrupts from 8 to 6:

MDRV_CPU_VBLANK_INT(irq0_line_hold,8) <--- 6 seems the right value


It's a guesswork, because without a recording of PCB is hard to follow the bug description. However, the new value makes things very very close to what the original should be.
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Regression Version
Affected Sets / Systems speedbal
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No.10870
haynor666
Tester
Jul 27, 2014, 14:03
vSync was changed to 56.4 Hz. Is this bug still valid?