Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!usc!apple!motcsd!starnet!sschaem From: sschaem@starnet.uucp (Stephan Schaem) Newsgroups: comp.sys.amiga.programmer Subject: Re: Short Hello World Message-ID: <1991May11.072139.781@starnet.uucp> Date: 11 May 91 07:21:39 GMT References: <1804@tardis.Tymnet.COM> <1991May7.001146.1830@cinnet.com> <1991May10.103117.4270@cs.umu.se> Organization: Starnet-Public Access UNIX-Los Altos,CA 415-949-3133, login:info Lines: 10 And to add to sub.l Dn,Dn... Moveq is faster on the 68000 4 compared to 8, 4 compared to 6 on a 68010, and same timing on a 68020... a word size sub on data registers is the same has clr.w... on all above 680x0. Conclusion.Dont use sub.l dn,dn or sub.w dn,dn use moveq #0,dn and clr.w dn.... Stephan.