On Tue, Dec 13, 2016 at 5:49 PM, Ethan Dicks <[email protected]> wrote: > I'm disassembling a vintage program... > > MYSUB: > LD A,R... > > So far, this loop hangs on all three emulators I've tried - simh's > altairz80, simcpm010 for AmigaDOS, and EMUZ80 for Raspberry Pi. I'm > guessing none of these environments emulate specific behavior of the > Refresh register?
I found this, BTW, which explains some of how the R register works... http://www.worldofspectrum.org/faq/reference/z80reference.htm#RRegister -ethan
