[Coco] floppy disk controller question for those that still use them

Darren A mechacoco at gmail.com
Thu Jan 28 17:37:50 EST 2010


On 1/28/10, Darren A   wrote:
>
> <snip>
>
> ... You need to AND the value with $33 to mask out the invalid
> bits. A value of $1D would then become $13 indicating that SCS is
> going to slot 4 and CTS is going to slot 2.
>

I goofed on that one:  $1D  ANDed with $33 actually gives you $11.

Darren



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