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Old 11 May 2014, 10:56   #2
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 19,522
Spot the mistake:

001FC640 2239 00df f104           MOVE.L $00dff104,D1
001FC646 0281 0001 ff00           AND.L #$0001ff00,D1
001FC64C 0c81 0000 0100           CMP.L #$00000100,D1
001FC652 66ec                     BNE.B #$ffffffec == $001fc640
Improved A500 compatible access to non-existing/write-only registers apparently is not A1200 compatible. (Which is not that surprising)

EDIT: Fixed.

Last edited by Toni Wilen; 11 May 2014 at 11:41.
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