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This in depth guide for the Commodore 1541 disk drive owner unravels the mysteries of using the 1541 for programs, sequential and relative files with plenty of working examples. This book includes several useful Utilities — DISK MONITOR. FILE PROTECTOR,BACKUP, MERGE and more- The Anatomy also discusses the internals of the DISK Operating System with the complele fully commented ROM listings.

Submitted by mhoney Anatomy of the 1541 Disk Drive

The computer is perhaps among the most revolutionary inventions in our history. Its presence influences our culture and each of our lives in many ways. Particular prominence belongs to the microcomputer, known as the "personal computer." You might use a personal computer such as the Commodore 64 or Commodore 128 to help manage a small business, to do schoolwork, to plan the home budget, to keep records, to write, or even to play games. Knowledge of computer software applications, however, is not necessarily accompanied by knowledge of the computer hardware and its functions. Being a machine, the computer can malfunction and break down, just like any other device or appliance you might use. If you've had your computer for a while, and it's beginning to show signs of age and wear, you might have already experienced trips to a computer service center, with their disheartening repair bills. Although you are not a computer technician, and you do not know dc and ac electronics, you do feel you are capable of having more control over the care of your computer-saving yourself time and money. This book helps you attain that goal. You need no previous experience with computer programming or repair for this book to be useful to you. All you need is a conscientious desire to take better care of your Commodore and to diagnose problems as they emerge. This book provides you with three basic approaches to Commodore care: preventive maintenance, diagnostics when something goes wrong, and general repair once you discover the source of the problem.

Submitted by mhoney Commodore Care Manual

The purpose of this book is to provide a detailed listing of the ROM contents for the Commodore 64 microcomputer. For programmers working in assembler language, or those wanting a more complete understanding of BASIC, this should prove to be very useful.

Submitted by mhoney What's Really Inside the C64

Upload: Commodore 64 Tune-Up


A computer is mostly used for data processing. These data comes very often from economics and is entered via the keyboard into the computer. A different kind of data comes from measurement. These data, which originate in an analog world must be adapted by transducers to the digital world. Therefore it is not only necessary to know all about computers, but a good knowledge of how to process analog signals is needed. The experiments described regarded only as examples, application in measurement distinct solution. in this book must be because every real must have a special, The Commodore C64 is an ideal computer for measurement. Data,can be easily accessed by the USER- or the Expansion port. The Time of Day clock can be used for real time applications. Have fun in controlling the analog world.

Submitted by mhoney Commodore 64 Tune-Up

If you own a C-64, this sourcebook is probably the most important "addon" you'll ever purchase! Packed with maintenance tips, easy troubleshooting procedures, and do-it-yourself repair techniques, it can save you untold time, money, and frustration over the lifetime of your micro. The simple chip changing instructions, alone, will enable you to cure at least 50% of the problems that cause micro breakdowns. Plus, Margolis gives you as much technical detail and advanced computer repair guidance as you're interested in acquiring! Advanced hardware enthusiasts and professional service technicians will both appreciate the in-depth examination of every C-64 circuit including timing diagrams.

Submitted by mhoney Troubleshooting and Repairing Your Commodore 64

The Commodore 64 Troubleshooting & Repair Guide will help you keep your microcomputer in lop operating condition. This book will guide you step by easy step through the complexities of making simple repairs to your Commodore 64.

• learn to fix it yourself
• Basic and advanced chapters
• Make most repairs with few or no tools
• Worth many times its cost in repair savings alone
• Quickly zero in on a malfunctioning component
• Easy to understand circuit diagrams
• Contains schematics, block diagrams, and photos
• . _ . and much more

These and many other features are explained in an easy to read, easy to understand style that makes learning an interesting and rewarding investment of precious time. The Commodore 64 Troubleshooting & Repair Guide will teach even a computer novice how to feel comfortable with the complex world of electronic troubleshooting. The fully illustrated Commodore 64 Troubleshooting & Repair Guide is highly recommended reading for anyone who uses a Commodore 64.

Submitted by mhoney Commodore 64 Troubleshooting and Repair Guide

Many of us would like to use high resolution graphics in our programs, but find them to be too much work. Not only do you have to plot each little dot in your figure, and go through BASIC gymnastics to move it around on the screen as a unit, but all too often the results are disappointing. The movement is too slow or too jerky for your purposes, and you end up tossing out the whole program. Sprite graphics, a specially designed system of high resolution color graphics built into the Commodore 64 computer, solves many of these problems. It allows both experienced and beginning programmers to produce professional-looking animated graphics with a minimum of coding.

Submitted by mhoney Sprite Graphics for the Commodore 64

Author Neil Salkind has carefully put together a well-balanced 'mixture of howt o information and design ideas that will have you producing your own custom tailored graphics and other special effects in no time. You'll find comprehensive coverage of all the GEOS features, including:

• geoPaint. The graphics capabilities found in GEOS's drawing program are extraordinary. You have a choice of over a dozen tools, ranging from a paintbrush to an area-fill tool, with which you can accomplish amazingly complicated and sophisticated designs in color or monochrome. You can even add text in various fonts and styles to personalize your creations.
• geoWrite. With this easy-to-learn word processor, you'll be able to produce clean copy ranging from simple business letters to full-length manuscripts.
• The desk accessories. Built into the GEOS system are the desk accessories, which can be used simultaneously with either geoPaint or geoWrite. You'll be able to write' yourself notes, use a calculator, set an alarm clock, create a photo album of various graphics, and much more.
• Desktop publishing. Once you've mastered the basic components of GEOS, you can even go on to become your own desktop publisher. By combining the features of geoPaint and geoWrite, you'll be able to control the entire publication process, from the idea to the finished product.

Copiously illustrated, COMPUTE!'s User's Guide to GEOS is more than a collection of what someone else has accomplished. Besides being an excellent sourcebook and idea-generator for what you might want to achieve with GEOS, it's also a solid, hands-on guide to producing your own custom-designed graphics. As a tutorial, the book leads you step by step with clear and concise descriptions. You'll quickly become comfortable with GEOS and begin discovering your own uses for this remarkable software package.

Submitted by ecbm Compute's Users Guide to GEOS

Upload: GEOS Tips and Tricks


GEOS, the new Commodore user interface, has been available on the US market for several months now. Since we work with GEOS daily and are very familiar with the internal workings of the system, we naturally read all we could find about GEOS in the various magazines with great interest. We often sat at our computer and asked ourselves whether we should laugh or cry. The infonnation printed in the magazines as "absolute know-how" was often nothing more than superficial repetitions of passages from the manual, or even half-truths or less. After a while we had our fill of this sort of reporting, and we decided to write a book of our own that on one hand cleared up the half-truths, and on the other hand presented the many tips and tricks that we had picked up in our work with GEOS. When we had compiled a list of the possible tips and tricks, we ourselves were surprised how extensive and different the various hints were. They range from predefined tabs and margins in geoWrite to a complete machine language monitor which can be used like any other accessory under GEOS and can also store programs as accessories. The high point is a program which we humbly call the FONT Editor. Not only does it let you customize characters in all of the existing fonts, it also allows you to create your own type styles from 0 to 63 points in size. The FONT Editor uses the GEOS environment with pull-down menus and is a real accessory. In addition there is also general infomation that can simplify your work with GEOS but also will teach you a good deal about how it works. For machine language programmers we have included the GEOS jump table, including descriptions of the routines and what you have to pay attention to. Over 150 routines are available to you from GEOS.

Submitted by ecbm GEOS Tips and Tricks

Written by Berkeley Softworks, the creator of GEOS, The Official GEOS Programmer's Reference Guide is definitive reference material for those who program under this new environment. This book provides you with all commands, memory maps, and other pertinent reference materials needed to successfully program in this new environment, and describes in detail the input and printer drivers for some of the more popular devices. Learn everything you need to know about GEOS, including:
■ Hi-Res Bit-Map Mode—Redefining the Commodore 64 screen for GEOS.
■ Display Buffering—Managing the screen display under tight memory constraints.
■ Input Drivers—Using the mouse to control your program.
■ Variable Length Indexed Record (VLIR)—Breaking u p files into records to speed up data movement.
■ Disk Turbo—Speeding up disk access time for better memory control.
■ All this and much more.

Submitted by ecbm The Official GEOS Programmers Reference

GEOS (tm) has caused quite a stir since its introduction by Berkeley Softworks and Commodore Business Machines. The advent of a sophisticated operating system coupled with ease of use may place GEOS ill the all-time best seller list of the CBM 64 and 64C. Of course, being packaged with every 64C from the factory helps. So it was that we felt the need to expand on the GEOS User's Guide, and "How to Get the Most Out of GEOS" was born - but oh how little we knew of this new operating system. Dissecting, analyzing, probing, delighting, brow beating into the wee hours; you have the opportunity to read what we have discovered. And, hopefully, you also will expand on this.

Submitted by mhoney How to get the most out of GEOS

Upload: GEOS Inside and Out


Whether you're a beginner or a seasoned computer user, if you use GEOS, then GEOS Inside and Out contains information you need. This book begins with a complete, thorough introduction to GEOS. You'll also learn how to add your own applications to GEOS. It contains the listing for FileMaster, so you can convert your programs to GEOS format and create an icon for them. Geos Inside and Out will help you:

Master GEOS by following the detailed introduction
Use your own programs in GEOS (includes icon editor)
Display memory and the registers with the single-step simulator
Add windows to your own programs
Learn about the GEOS file format
Study memory layout and important memory locations

Submitted by mhoney GEOS Inside and Out

Commodore 64 Color Graphics: A Beginner's Guide is a step-by-step guide to creating animated color graphics on your personal computer. The easy to follow yet comprehensive instructions give you everything you need in order to perform the computer "magic" that transforms your blank screen into a detailed sailing scene complete with animation. In addition, you will have developed an entire "tool kit" of graphics programs. You can use this tool kit at any time to have an automatic headstart in any graphics adventures you begin on your own. You'll learn the basics of design and programming techniques at your own pace. The instructions show you how to save programs at the end of every chapter, giving you a logical breakpoint for saving your work so you can continue at a later time. Every program that you need to enter is given to you and thoroughly explained, to help you understand exactly what the BASIC commands mean. You will also see many illustrations and photos that help to simplify programming concepts and allow you to check your progress. Even first-time computer users will have an enjoyable time discovering Commodore 64 graphics. This unique format of step-by-step programming instructions, comprehensive illustrations and photographs, and interesting programming exercises will speed you on your voyage through the world of computer graphics.

Submitted by ecbm Commodore 64 Color Graphics - A Beginners Guide

This easy-to-understand book will take you step by step through all of the Commodore 64's powerful graphics features. You'll also discover a wealth of exciting and useful programs at a fraction of what it would cost you to purchase the software. With a minimal amount of programming experience, you can learn how to:

• Control screen color
• Load and save programs on disk or tape
• Create impressive headlines and detailed pictures Animate a video picture

Make programs run faster Invent your own video games! No more stuffy, long-winded manuals! Sit down with a good book and find out how fun and easy it can be to master graphics on your Commodore 64.

Submitted by ecbm Graphics Guide to the Commodore 64

The main part of this book works on the development of a high resolution turtle graphics system for the Commodore 64. The discussion In the text Is complemented with numerous appendices explaining specific topics not readily available to the CBM64 user. The topics covered include PEEKS Be POKES, binary and other arithmetic, the use of logical operators to produce special effects, the VIC-ROMAN II and CIA chips, the arrangement and relocation of memory, the theory of plotting, simple trigonometry. Boris Allan only assumes knowledge of the Commodore 64 User Manual. All the moves, from relocating BASIC to the more advanced turtle graphics routines, are explained and documented in great detail.

Submitted by ecbm Graphic Art on the Commodore 64
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