#43743: fdisk.exe fails to run on 8086
Open Date: 2022-01-30 18:17
Last Update: 2022-01-31 20:48
URL for this Ticket:
https://osdn.net//projects/svardos/ticket/43743
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Last Changes/Comment on this Ticket:
2022-01-31 20:48 Updated by: mateuszviste
Comment:
probably hadn't pushed the new ISO to website, I don't do it every time
anything changes. did it now.
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Ticket Status:
Reporter: bttr
Owner: mateuszviste
Type: Bugs
Status: Open [Owner assigned]
Priority: 5 - Medium
MileStone: (None)
Component: (None)
Severity: 5 - Medium
Resolution: None
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Ticket details:
pce-ibmpc logs "undefined operation [C1 e1]", when FDISK is executed like
"fdisk /?".
It runs fine, when I change emulated CPU to 80186.
After running "upx -d fdisk.exe", "fdisk /?" gives me "Abnormal program
termination" and "Null point}r assignment" on the (emulated) 8086. (Yes, with }
instead of an "e".)
At the same time pce-ibmpc logs:
3317:0D0A: undefined operation [C8 02]
3317:0D10: undefined operation [6A 05]
3317:0CE8: undefined operation [6A 24]
3317:0CF6: undefined operation [68 c7]
3317:0D01: undefined operation [68 d0]
...
I guess, we need to rebuild FDISK.EXE before using UPX --8086 and updating the
package, but maybe I can find a working binary elsewhere.
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