Hi Ruud, the usage of the three registers seems to be like you wrote. But the graphics memory starts at byte $0008. I will reverse engeneer the PCB to find out more about the. It seems that charachters overlay the graphics screen and bitmapgrapics only appears at empty places in 8032 screen memory. I did some poke's to write in the three DB graphics registers from basic and there appearde some pixels on the screen. The DB-Eprom-code looks like it's possible to access the screen routines with basic variables and sys-commands ??? PS: Have you a monitor with assembler/disassembler for $A000 - like the newtim from the 3032 ? Christian -- Sent from: http://cbm-hackers.2304266.n4.nabble.com/ Message was sent through the cbm-hackers mailing listReceived on 2017-09-05 09:00:07
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