Path: utzoo!news-server.csri.toronto.edu!bonnie.concordia.ca!ccu.umanitoba.ca!herald.usask.ca!alberta!ubc-cs!uw-beaver!cornell!llenroc!batcomputer!caen!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!midway!msuinfo!frith.egr.msu.edu!leeda From: leeda@frith.egr.msu.edu (Dae Hee Lee) Newsgroups: comp.os.msdos.programmer Subject: iret and retf Message-ID: <1991Mar14.031024.12576@msuinfo.cl.msu.edu> Date: 14 Mar 91 03:10:24 GMT Sender: news@msuinfo.cl.msu.edu Organization: Michigan State University, College of Engineering Lines: 6 When can I use retf instead of iret? I was told that retf discards some register in a stack. Then, why and when can I discard any registers in a stack? Thank you for your help! Daehee