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Random wrong colours in games (Lotus 2 and JagXJ220) #218

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AndyAmiga1 opened this issue May 17, 2023 · 2 comments
Open

Random wrong colours in games (Lotus 2 and JagXJ220) #218

AndyAmiga1 opened this issue May 17, 2023 · 2 comments

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@AndyAmiga1
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AndyAmiga1 commented May 17, 2023

Since going to Pistorm32lite I see wrong colours in a couple of games. Only seen in Jaguar XJ220 and Lotus 2 so far. Quitting the game and restarting will often resolve the issue.

Using PiStorm32 Lite, with Rpi4b 2gb. WHDload (same issue seen in latest and latest -1) versions. I was using latest-1 when I upgraded to Pistorm from Blizzard 1230-IV and never saw the issue previously. It is now about 50% of time. I upgraded to latest Emu68 nightly build tonight and it still happens.

IMG_20230517_174525_015
IMG_20230517_174535_421

@rnvalencia
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AGA's new register issue. Try WHDLoad's Snoop OCS option.

@TomCat666
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TomCat666 commented Aug 29, 2023

It happens with a lot of games and randomly. the bplcon3 register (AKA DFF106) is being set to something else than 0 and it locks certain bits of the palette. For some reason this only happens on pistorm32 and Emu68.
Michal could debug this to see where the write happens.

A workaround is to run tude >nil: chipset=old in whdload-startup and tude >nil: enhance in whdload-cleanup

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