Christophe Avoinne wrote: Z80 stuff.
"exx" and "ex A, A'" ? :-) To be sure to understand what you mean :
The problem with the exchange type instructions with the Z80 is you never knew if the registers were swapped. You almost need 4 swap banks ... user kernel:TRAP kernel:IRQ kernal:CRITICAL Ben. ************************************************************* To unsubscribe, send an e-mail to majordomo@seul.org with unsubscribe f-cpu in the body. http://f-cpu.seul.org/