MPW 3.0 Assembler

(' ti. Macintosh' -----------Macintosh Programmer's Worksht>l' 3.0 Assembler Reference • ·~y_,.r· APPLE COMPUTER, INC. nm manual and the software described in it are copyrighted, with all rigbls reserved. Un:ier the copyright laws, this manual or the software may not be copied, in whole or part, wir.hout wrillen coosem of Apple, except in the nonnal use of the softw2.re ex to ma.lee a backup copy of the software. 1be same proprietary and copyright notices must be affixed to any permiaed copies as were aft"ixed to the original. This exception does not allow copies to be made for ochers, whether or nOl sold, but all of the material purchased (with all backup copies) may be sold, given. or loaned to another person. Under the law, copying includes tramlating into another language or format. You may use the software on any computer owned by you, but extra copies cannot be made for this purpose. C 1985-88 Apple Computer, Inc. 20525 Mariani Ave. Cupertino, California 95014 (408) 996-1010 Pa.sal Compiler C 1982-88 Apple Computer, Inc. c 1981 svs, Inc. Apple, the Apple logo, AppleShare, AppleTalk, AIUX, lmageWriter, I.ascrWriter, Lisa, MacApp, Macintosh, and SANE, are registered trademarks of Apple Computer, Inc. MPW, Qui:kDraw, ResEdi, APDA, and SADE ate trademarks of Apple Computer, Inc. MacDraw, MacPaint, and MacWrile are iePtered trademarks of Caris Corporation. Microsoft Word is a trademark of Microsoft Corporation. rrc Garairond and rrc Zapf Dingbats are reg~tered trademarks of International Typeface Corporation. POSTSCRIPT is a registered trademark of the Adobe Syst~ Incorporated. Adobe mustrator 88 is a trademark of Adobe Systems Incorporated ImageStudio is a trademark of Esselte Pendaflex Corporation in the United States, of LetraSet Canada Limited in Canada, and of Esselte LetraSet Lim.i!ed elsewhere. Motorola is a trademark of Motorola, Inc. MathType is a trademark of Design Science, Inc. QMS is a registered trademark of QMS, Inc. UNIX is a trademark of AT&T Bell laboratories. Simultaneously published in the United States and Canada. MPW sample programs Apple Computer, Inc. granLS users of the Macintosh Programmer's Workshop a royalty-free license to incorporate Macintosh Programmer's Worltslwp sample programs into their own programs, or to modify the sample programs for use in their own progl'2rm, provided such use is exclusively on Apple computers. For any modified MadnttJSh Programmer's Workshop sample program, you may add your own copyright nOlice alongside the Apple copyright nOlicc. ( Contents Figures and tables xiii (. Preface About ThJs Manual xv What this manual contains xvii Other reference materials xviii Notation conventions xix Aids to understanding xix Courier typeface xx Italic xx Fields xxi Delimiter symbols xxi Braces xxii Brackets xxil Ellipses xxiii Underlining xxili For more information xxiv -.' .. Part I Using the Assembler 1 1 About the Assembler 3 General characteristics 5 Overview of the assembly proce…