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Old Yesterday, 18:12   #1
xavlahaye
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Join Date: May 2021
Location: Berlin
Posts: 58
CD32 emu on A1200 graphical glitches

I've been trying some CD32 emu on my 1200 mainly to get CDDA tracks thru the RCA jacks of my external CD drive. Right now I'm trying Squirrel's CD32 emu
Here're some titles I could make to work:
- with softkicking to 3.1: Flink
- with 3.2: Beneath A Steel Sky, Disposable Hero
- not CD32 but working with sound finally: Genetic Species!

with graphical glitches:
- Bubba n'Stix: seems that something is happening with sprites. I've got some flickering garbage on the screen, a pity as it seems cool
- Super Stardust: less problems overall, graphical glitches happen from time to time, just wanted to try the shield button

What do you think could cause those glitches? ChipRAM availability? Requires Timing Fixes? The Blizzard 1230mkIV?

Thanks for ideas on what to try next

My setup is
Amiga 1200 rev 1.D4
No timing fixes
Blizzard 1230 MkIV with SCSI kit/96 megs
ZuluSCSI
Gotek
CD on SquirrelSCSI
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Old Yesterday, 18:44   #2
DanyPPC
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Join Date: Dec 2016
Location: Italy
Posts: 790
Blizzard 1230 is the best expansion released for a simple A1200, it doesn't require any timing-fix.

Your glitches are probably due to 030 cpu.
CD32 games expect an EC020 instead.
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Old Yesterday, 20:39   #3
stx2199
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Join Date: Sep 2023
Location: Venus
Posts: 214
perhaps you can try another CD32 emulator which I uploaded in this thread

https://eab.abime.net/showthread.php?t=117015
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