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> Compiler Internals > [bug]Bad code generated for POP CS |
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TDCNL 25 Apr 2006, 00:00
Code: POP - Pop Word off Stack Usage: POP dest Modifies flags: None Transfers word at the current stack top (SS:SP) to the destination then increments SP by two to point to the new stack top. CS is not a valid destination. I've just looked this up, but why CS is not valid destination and why FASM assembles as "0F 00" I don't know, maybe Tomasz Grysztar should comment us some on 'POP CS'  _________________ :: The Dutch Cracker :: |
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25 Apr 2006, 00:00 |
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MazeGen 25 Apr 2006, 06:40
CS is a valid destination only in 8086 procesor.
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25 Apr 2006, 06:40 |
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TDCNL 25 Apr 2006, 06:56
MazeGen wrote: CS is a valid destination only in 8086 procesor. And above too? _________________ :: The Dutch Cracker :: |
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25 Apr 2006, 06:56 |
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Tomasz Grysztar 25 Apr 2006, 09:26
POP CS is now allowed only with USE16.
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25 Apr 2006, 09:26 |
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MazeGen 26 Apr 2006, 09:45
TDCNL: I meant it is valid only in 8086 and 8088 and invalid in 186 and later ones.
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26 Apr 2006, 09:45 |
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TDCNL 26 Apr 2006, 16:21
MazeGen wrote: TDCNL: I meant it is valid only in 8086 and 8088 and invalid in 186 and later ones. Thanks for reply, now I understand clearly _________________ :: The Dutch Cracker :: |
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26 Apr 2006, 16:21 |
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