Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!helios!bcm!dimacs.rutgers.edu!seismo!uunet!mcsun!unido!horga!veeble!fiction!Daniel_Roedding From: Daniel_Roedding@fiction.ms.sub.org Newsgroups: comp.sys.atari.st Subject: Why does work? :-) Message-ID: <706256@fiction> Date: 1 Mar 91 17:43:08 GMT Lines: 14 X-Attributes: type 2, from 100, acclv 0, expires csbrod@immd4.informatik.uni-erlangen.de (Claus Brod) writes: > Daniel_Roedding@fiction.ms.sub.org writes: > >I re-disassblemled (ouch!) the DeskTop's media change force routine. The > >DeskTop expects A0 to be zero after a GEMDOS call. Is this always true? > To my knowledge, certainly not. So then I'd say that it is really random whether the function works or not. Or is it defined that Fopen() clears A0? If not, the desktop cer- tainly would crash!! (3 Bombs, I tried it by changing A0) Daniel