On Tue, Jul 03, 2012 at 01:36:59PM +0300, ..I'd rather be coding ASM! wrote: > > ..and here i was thinking that 20Mhz Z80 was blistering speed compared to > 2-6Mhz. :> IIRC the Z80 required a 4x clock, so a 20MHz Z80 is about as fast as a 5MHz 8080 or 8085. David -- David Laight: david%l8s.co.uk@localhost