Commodore Photo Gallery
3 Photos found.
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by jbevren
Vic20 kernal: chip select network
Two lower resistors provide tie-ups for unconnected chip selects while the top provides a tie-up for disconnected /we line.
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by jbevren
Vic20 kernal: chip select from decoder IC
This line can be grabbed from the ROM socket. I didn't use a mezzanine board that would allow that, so I grabbed it from the BLK decoder instead. :P
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by jbevren
Vic20 kernal: readwrite line from 6502 cpu
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V-1541
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