Hi
Looking at all the ways that an LCD panel can be connected via shift
registers, I dreamed up another crazy way by using a 4040 12 bit
binary counter !!! (4040 is cheap an in abundance)

It still uses 3 lines from the pic and if you want more speed you have
to give up another port pin for the RS signal, else this line is tied
to Q9 on the 4040 chip. I have code written in SIL 0.713 for a 16C84
to drive a funny EPSON 2*8 display. There is no time delays between
byte transfers, so maybe it is not that slow after all.

Try it and have a laugh......

Bye
Cassie