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Old 18 December 2021, 20:48   #1
viddi
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Jurassic Park AGA - 3D section fix

Sadly Jurassic Park AGA crashes on my A1200 with Vampire V2 with cache on (3D sections).

It works with nocache or no cache info at all, but it´s very slow.

A fix would be nice. Thank you!
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Old 24 December 2021, 23:59   #2
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Any ideas?
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Old 10 February 2022, 20:01   #3
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Can someone please upload the old JST install of JP AGA.

Would like to try it out.
The download link I found is dead.

Thanks!
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Old 11 February 2022, 01:37   #4
Retro1234
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Quote:
Originally Posted by viddi View Post
Can someone please upload the old JST install of JP AGA.

Would like to try it out.
The download link I found is dead.

Thanks!
Are you sure there was a JST install?

I'll check my files tomorrow.

What happens when you run from disk?

Last edited by Retro1234; 11 February 2022 at 01:49.
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Old 11 February 2022, 05:46   #5
Don_Adan
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Originally Posted by viddi View Post
Any ideas?
For me it looks like bug inside 68080 core. Perhaps super scalar related.
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Old 11 February 2022, 12:35   #6
viddi
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For me it looks like bug inside 68080 core. Perhaps super scalar related.
I guess so, but I'm not sure.

->

http://apollo-core.com/knowledge.php...2&x=1&z=Hm3SG0

Last edited by viddi; 11 February 2022 at 12:42.
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Old 11 February 2022, 12:42   #7
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Originally Posted by Retro1234 View Post
Are you sure there was a JST install?

I'll check my files tomorrow.

What happens when you run from disk?

http://jffabre.free.fr/amiga/freegames.html





Same problem using disks instead.
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Old 11 February 2022, 13:00   #8
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Is this a vampire issue or an issue with original hardware too? (030-060)?
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Old 11 February 2022, 13:09   #9
viddi
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Is this a vampire issue or an issue with original hardware too? (030-060)?
Interestingly there are contradictory statements.

Some people say they have probs on 030, 040 or 060 (very slow 3D sections), but it was always pretty fast on my 030 and 060 boards.

So I assume the Vampire and the real 68k problems coexist.


Another thing I found out is, that I can play from disks (with nocache and slow) on my Vampire, but only from original disks.
Cracked versions crash right after the credits screens...
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Old 13 February 2022, 10:13   #10
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To be fair, don't remember this being particularly slow on my A1200 (i finished this game but it was back in the 90s so I probably didn't notice a dody frame rate and was just wowed by the 3D sections).
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