Tom Bruhns wrote: > ?? It's been too long since I worked with the 6502, but I _distinctly_ > remember that the Rockwell 65C02, at least, is static and can be clocked > as slowly as you like. I found, I recall, that with a slow enough clock With the 65_C_02 you are right. The CMOS versions are static. For NMOS there is a minimum clock rate and a maximum RDY hold time specified. Patrick