Re: 6510 I/O port as chip selects to expand memory

Am Donnerstag, 18. November 2021, 00:01:56 CET schrieb Claudio Sánchez:
>  From 6510 datasheet, description section.
> 
> "An 8-bit Bi-Directional I/O Port is located on-chip with the Output
> Register at Address 0001 and the Data-Direction  Register at Address  0000.
> The  I/O  Port is  bit-by-bit programmable"
> 
> Let's forget about the C64, because it has a PLA that has its own behaviour.
> 
> Can this I/O port be used in a new design as chip select for memory banking?

of course

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