Adam,

> If this is coming from a PIC, then you should do it differently.
>
> Inside the PIC use a routine to convert the six bit binary value to two four bit
> BCD values.  Then use two BCD to seven segment decoders (with built in latches)
> and output the BCD values to them (still uses only 6 lines, 4 for the BCD value,
> 1 for each latch on the 7447 or similar BCD to seven-segment decoder)

This sounds like a perfect solution for now. I am thinking that the next
revision will use two ports for all displays and outputs. Portc could be
the 8 bit data output, and porta could be a 6 bit control port. That is
way more than enough to cover all my displays and indicators.

Thanks!
Josh Koffman
joshy@mb.sympatico.ca