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Old 03 June 2017, 13:49   #128
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 19,517
It isn't emulation bug. (At least not directly)

Game's copper list and KS ROM vblank code both write to DFF084 and for some really odd reason it just happens that current "68030 cycle exact" (especially in MMU mode it can be strange) KS ROM code manages to do the write exactly before copper executes COPJMP2..
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