Catalogue information
8-Bit microprocessor a modified version of the 6502. The 6510 was only widely used in the Commodore 64 home computer and its variants. In the C64 the extra pins of the processor were used to control the computer's memory map by bank switching, and in the C64 also for controlling three of the four signal lines of the Datassette tape recorder (the electric motor control, key-press sensing and write data lines; the read data line went to another I / O chip). It was possible, by writing the correct bit pattern to the processor at address $ 01, to completely expose almost the full 64KB of RAM in the C64, leaving no ROM or I / O hardware exposed except for the processor I / O port itself. [ 1]
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