Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!uunet!know!zaphod.mps.ohio-state.edu!uwm.edu!ux1.cso.uiuc.edu!ux1.cso.uiuc.edu!uxa.cso.uiuc.edu!eej07047 From: eej07047@uxa.cso.uiuc.edu Newsgroups: comp.sys.apple2 Subject: Re: Assembly Assistance Message-ID: <139800033@uxa.cso.uiuc.edu> Date: 1 Oct 90 02:08:00 GMT References: <12275@chaph.usc.edu> Lines: 4 Nf-ID: #R:chaph.usc.edu:12275:uxa.cso.uiuc.edu:139800033:000:289 Nf-From: uxa.cso.uiuc.edu!eej07047 Sep 30 21:08:00 1990 It's either Sep #$20, Rep #$20, or Sep #$30, or Rep #$30 One set affects the A only (8 and 16), the other set changes both the X register and the Y register (including the A). I forgot which commands changes to 8 bits and which changes to 16, but you can probably figure that one out.