AssemPro_Manual.pdf

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Abacus

A Data Becker Product

AssemPro

Amiga

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By Peter Schuiz

Abacus!

A Data Becker Product

AssemPro Amiga is copyrighted by Data Becker and Abacus Software, Inc. You should carefully read all the terms and conditions of this

agreement prior to using this software. By opening this sealed disk package, you are agreeing to accept the terms of this

agreement, which Includes the software license and software disclaimer of warranty. If you do not agree to the terms of this

agreement, do not open the disk package. Promptly return the unopened disk package and other Items that are part of this product

to the place where you obtained them for a full refund.

1. COPYRIGHT: Youmaynot sublicense, assign ortransferthelicense ortheprogramexcept asexpresslyprovided inthis Agreement Any attempt

otherwise to sublicense, assignortransferany oftherights, duties or obligationshere underisvoid.

2. LICENSE: You have the non-exclusive righttouse this software. Youmaynot distribute copies ofthe software or documentation toothers. This

softwarecanonlybeusedonasinglecomputer. Youmaynotmodify oftranslatethe software orusermanual withoutthepriorwrittenconsentofAbacus

Software, me You may not use, copy, modify, or transfer the software or any copy, modification or merged portion in whole or in part, except as

expresslyprovided for inthislicense.

3. BACK-UP AND TRANSFER: Youmaymakebackup copies ofAssemPro Amiga, butnotofthe documentation. Eachbackup copymust include

the copyrightnotices. InstallationofAssemPro Amiga onyourhard diskispermittedsubject tothese conditions. You maynotsell,loan orgive away

copies ofAssemProAmiga.

4.TERM:Thislicense iseffectiveuntil terminated.Youmayterminate itatanytimebydestroyingthesoftwaretogetherwithall copies,modificationsand

mergedportionsinanyform. Itwill alsoterminateuponconditionsset forthelsewhereinthisAgreementorifyou failtocomplywithanytermorcondition

ofthisAgreement Youagreeuponsuchterminationtodestroythesoftwaretogether withall copies,modificationandmergedportions inany farm.

5. LIMITED WARRANTY: This software isprovided "as is" without warranty ofany kind,eitherexpressed or implied, including, butnotlimitedto

the impliedwarranties ofmerchantability andfitness foraparticularpurpose.Theentire riskastothe quality andperformanceofthesoftware is withyou.

Shouldthesoftwareprovedetective,you(andnotAbacus Software, Inc.or anauthorizedpersonal computerdealer) assume theentirecostofallnecessary

servicing, repairor correction. Somestatesdonotallow theexclusionofimplied warranties, sothe aboveexclusionmaynotapplytoyou.Thiswarranty

givesyouspecificlegal rightsandyoumayalsohave otherrights whichvaryfromstatetostate.

AbacusSoftware,Inc.doesnotwarrantthatthe functionscontained inthesoftware will meetyourrequirementsorthattheoperationofthesoftwarewillbe

uninterruptedorerror free.However, AbacusSoftware, Inc. warrantsthesupplieddiskettestobe free fromdefects inmaterials and workmanshipunder

normal use for aperiod ofninety (90) days fromthe date ofdelivery to you asevidencedby a copy ofyourreceipt LIMITATIONS OFREMEDIES:

AbacusSoftware, Inc.entireliability andyourexclusiveremedyshallbe: a.thereplacementofanydiskettesnotmeetingAbacusSoftware,Inc. "Limited

Warranty" andwhichare returnedtoAbacusSoftware, Inc.oranauthorizedComputerDealerwithacopyofyourreceipt, or,b.ifAbacusSoftware, Inc.

orthe dealer is unable to delivera replacementdiskette^) which is free ofdefects inmaterials or workmanship, youmay terminate this Agreementby

returningtheprogram.

IN NO EVENT WELL ABACUS SOFTWARE, INC. BE LIABLE TO YOU FOR ANY DAMAGES, INCLUDINGANY LOST PROFrTS, LOST

SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE SUCH

SOFTWAREEVEN IFABACUS SOFTWARE, INC. OR ANY AUTHORIZED DEALERHAS BEEN ADVISEDOFTHE POSSIBILITYOF SUCH

DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. Some states do not allow the limitation or exclusion ofliability for incidental or

consequentialdamagessothe above limitation orexclusion maynotapply toyou.

ThisAgreementwillbegovernedbythelawsofthe StateofMichigan. Shouldyouhave anyquestionsconcerningthisAgreement,youmaycontactAbacus

Software, Inc., CustomerService, 5370 52nd Street SE, GrandRapids, MI 49512.

YOUACKNOWLEDGETHATYOUHAVEREADTHISAGREEMENT,UNDERSTAND IT,AND AGREETO BE BOUND BYITSTERMS AND

WHICHSUPERSEDES ANYPROPOSALORPRIORAGREEMENT. ORALORWRITTEN,ANDANYOTHERCOMMUNICATIONS BETWEEN

USRELATINGTOTHESUBJECTMATTEROFTHISAGREEMENT.

AmigaandAmigaDOS are registeredtrademarksofCommodore-AmigaInc.

SecondPrinting, 1990

Printed inU.SA.

Abacus,Inc

DataBeckerGmbH

537052ndStreetSE

Merowingstr. 30

GrandRapids, MI49512

4000Duesseldorf,

WestGermany

ISBN 1-557SS.026-X

1 1

Preface

Atatimewhen C is alltherage,you havepurchasedan assembler. But

don'tbebotheredbytheself-assuredtalkofdyed-in-the-woolC fans. C

is certainly a machine-oriented high-level language, but C is still a

high-level language. Even though manufacturersofCcompilerswould

like to tell you that C is as fast as assembly language, the factcannot

be denied that assembly language is absolutely the fastest way to

program a computer.

True, when you a have to do a lot offloating-point calculations in a

program, writing it in C doesn't look so bad, assuming its floating

pointroutines were written in assembler. Butnormally aC program is

always noticeably slower than an assembly language program. The

reason is that the C compiler uses only a small set of the machine

languagecommands available. As an assemblerprogrammer you have

the ability to obtain full useofyourprocessor.

You often hearthatyou couldn't write any largeprograms in assembly

language, but this doesn't seem true anymore once you know that

AssemPro Amigawas written completely inassembly language. Andit

certainly isn't small, is it?

The processors in the 68xxx family are very well suited to

programming in assembler. They offer a relatively compact, yet

powerful instruction set, so you don't have to remember too many

commands, and a large number ofaddressing modes, which together

with thefifteen CPUregisters simplifyprogrammingconsiderably.

To further simplify working in assembly language, there are libraries

on your assembler disk which allow you to call almost any operating

system function with a single command.

After so many positive things, there are still a few things to be

mentioned:

AssemPro Amiga is an assembler. In order to use it, you must know

how to program in assembly language. If this is not the case, you

should get an introductory book and learn this language. If you don't

have any programming experience at all, then maybe you shouldn't

startwithassembly language. TryPascal orModulainstead.

iii

Just as AssemPro Amiga isn't designed to teach assembly language

programming, itisnotintended asa tutorial aboutthe Amiga operating

system either. If you don't already have books about the operating

system, thereare manyavailable.

In conclusion I would like to thank Hannes Riigheimerand Uwe Braun

who did some ofthe various work forme and also supported me in my

efforts, aswell asJochen Schneider, Barbara Schutte andGudrunDebus

forextensiveeditingofthis manual.

PeterSchulz

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