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Forum: Assembly

Jun 18th, 2006, 12:51 PM

Replies: 4

coldfire assembly - rts causes Illegal Instruction Exception

Views: 260

Posted By mika

Actually my reply to you is complete garbage. You...

Actually my reply to you is complete garbage. You are absolutely right. When I read your comments late in the AM's I was quick to dismiss it because my brain was not functioning anymore. What I was...

Forum: Assembly

Jun 17th, 2006, 9:53 PM

Replies: 4

coldfire assembly - rts causes Illegal Instruction Exception

Views: 260

Posted By mika

This is not an issue in this case. When...

This is not an issue in this case. When "branching" to a subroutine, (Beq in my case) coldfire saves PC on the stack, and then increments PC by the displacement needed to get to the branch location.

Forum: Assembly

Jun 17th, 2006, 8:50 PM

Replies: 4

coldfire assembly - rts causes Illegal Instruction Exception

Views: 260

Posted By mika

coldfire assembly - rts causes Illegal Instruction Exception

Hi all, I've been trying to fix an illegal exception for a couple of hours now with no success.

What happens is that I have a piece of code that checks for imputs and branches to appropriate...

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