Was the opcode 'HCF - Halt and Catch Fire'? Neil ----- Original Message ----- From: <jdaggett at gate.net> > Torsten > > There is supposed to be the execute and burnup opcode sequence in the 6800 and > supposedly in the 6809. Not sure of what the sequnce was but it was rumored to do > a bit of damage to the processor. > > james