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Old 20 December 2018, 09:29   #1
john4p
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Question PAL games @60Hz with slower sound

Hello Toni,

I recently got a cheap Windows tablet (Cherry-Trail) with a display that only runs at 60Hz. WinUAE works very well on it.

Playing Pinball Dreams/Fantasies/Illusions and Slam Tilt with vsync at 60Hz actually is a lot of fun. It kinda feels more realistic than playing at 50Hz.
But of course the sound is too fast.

I know the sound is tied to the framerate. Well, certainly the points at which the sounds are played back are.
But would it be possible to add the option to play every sound file at ~18% slower speed?

That way we could play any Amiga game with faster 60Hz gameplay but with "50Hz sound"...

Is something like that feasible?
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Old 20 December 2018, 10:25   #2
Toni Wilen
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Not possible without side-effects. Audio DMA (and every Agnus DMA channel) in Amiga is tied to horizontal sync (=number of lines/frame).
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Old 20 December 2018, 10:37   #3
john4p
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Ah okay, that's too bad. Thanks for the quick reply!

edit: Pinball Dreams & Fantasies NTSC-versions are a godsend.

Last edited by john4p; 27 December 2018 at 14:28.
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