It does very little. I believe it does the following: push af inc hl dec hl pop af ret A while ago, someone posted sam davies info, and the above. Go to the archives. GeradS711@aol.com wrote: > > Could one use the display delay as an alternative to a halt command, > because > > halt is too slow, and you can't get very many speeds. If you use it, if > you > > can't use it, then could you use something esle? What? > > > >