Re: [hatari-devel] Wrong bus error stack frame with 68000 and JSR |
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- To: hatari-devel@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [hatari-devel] Wrong bus error stack frame with 68000 and JSR
- From: Christian Zietz <czietz@xxxxxxx>
- Date: Sat, 23 Mar 2024 11:24:33 +0100
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Thorsten Otto schrieb:
But the stacked PC will depend upon where the program is loaded, and has
nothing to do with the target address of the JSR?
That is what I have been saying the whole time, yes.
Consider the following sequence, assuming address 0x401234 causes a bus
error.
1: JSR 0x401234
2: NOP
Then the stacked PC will point to "2:", i.e., the offset to the JSR is 6
bytes.
Regards
Christian
--
Christian Zietz - CHZ-Soft - czietz@xxxxxxx
WWW: https://www.chzsoft.de/
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