27 February 2011, 17:14 | #1 |
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Join Date: Aug 2008
Location: Salisbury
Posts: 770
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Fun and games with the 68000!
So, basically, I've been making this music disk. Most of the dev has been done in my WinUAE A1200 setup. Simple basic setup, 2 meg chip, 8 meg fast, 68020, the kinda platform you'd expect to have at home
Worried I had overloaded each frame with the scope, scroller, etc. etc. I start testing it on an A600 setup today and it's been.. very testing. First I finally replaced the loader, thinking that was causing an issue (needed to be done anyhow so no bother there). With loader replaced, I test again, crash... after hours of digging I finally find the CrunchMania source has a BLE.L in it!! Simply remove the .L and everything gets a little further... The next issue is a weird one. There is a comparison I do from one module to the next which is... cmpm.l (a0)+,(a2)+ bne.b ML_NoMatch Finally found the issue. In some instanced this hits an odd address in A0. Now on the 68020 or 68010, not a problem, goes straight through it without any questions. But the 68000 takes expection to this. Just thought I'd share now time for another test. |
27 February 2011, 22:55 | #2 |
Junior Member
Join Date: Sep 2001
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Age: 42
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Keep on the work man
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28 February 2011, 15:44 | #3 | ||
Natteravn
Join Date: Nov 2009
Location: Herford / Germany
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Quote:
Quote:
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28 February 2011, 16:53 | #4 |
Registered User
Join Date: Aug 2008
Location: Salisbury
Posts: 770
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Oh god yeah! Managed to crash my scope multiple times today by looking at my look up table on odd addresses..
I love amiga programming! |
28 February 2011, 16:54 | #5 |
move.l #$c0ff33,throat
Join Date: Dec 2005
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