> My understanding therefore is that the 6702 is addressed when the address > lines are 1110 1111 1110 00XX or $EFE0 through $EFE3. I would > assume that any other reads will access non-existent devices and will > potentially return garbage (unless there are some data bus > terminating resistors somewhere which would provide a known default data > bus value). > > By looking at the schematics I am also led to believe that the 6702 should > be accessible from the 6502 processor (as the 6809 and 6502 > appear to be "next door to each other" in the schematic diagram and share > the address and data buses). This means that you should be able That confirms my analysis. http://www.6502.org/users/andre/petindex/superpet.html AndrÃ© -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a Message was sent through the cbm-hackers mailing listReceived on 2012-04-21 19:00:05
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