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Author Topic: A1200 - buggy graphics in some games  (Read 6956 times)

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Offline mschulz

Re: A1200 - buggy graphics in some games
« on: November 18, 2024, 08:19:48 PM »
I am seeing buggy graphics in some games and software.  I have just run Amiga Test Kit on my A1200 and it has raised the following attached issues.  From this I am wondering if my Amiga has a memory chip problem.

It has a Pistorm 32 lite installed but I had the same issues before installing this with the graphics. 

Steven,

please give some more details:
1. Does the same issue happen without PiStorm32lite?
2. If it happens with PiStorm32lite only, are you using vanilla OS or have you decided to go for some pre-made distribution (AmiKit, Caffeine, something else)?
3. How does the config.txt file on PiStorms FAT partition look like?
4. How does the cmdline.txt file on PiStorms FAT partition look like?
5. Have you tried to run DiagROM with your amiga? Did it went well?

As I wrote there (https://forum.amiga.org/index.php?topic=76907.msg861463#msg861463) the issues with loading games or demos directly from floppy on Pistorm32lite (and also on other very fast accelerators) can lead to several issues with caches, self-modifying code or too fast execution. Therefore it is advisable to run such things through WHDLoad which takes care of several settings for you.