I digged out one of my first tests of AHCC which was writing a driver/library for Falcon TrueColor graphics.
I have refactored the old source to fit the current AHCC v4.11 but the problem prevails.
I get drawing artifacts on my screen (both real Falcon and Hatari), see the disorted line and the horizontal blank thing in the middle?
Can anyone comment what could be the cause?
Most stuffs are written in M68K but I glue it together with AHCC.
I only call the following PutPixel rout atm (and replacing with a C equivalent did not help):
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; calculate onscreen position screenptr + y*640 + x*2
; draw pixel