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Commodore Manuals
Floppy Disk Drive
1541-II
User manual
Commodore 1541-II User Manual
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User manual
(55 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
The Advantages of a Disk Drive
Features of the 1541
How to Use this Book
Basic Operating Steps
Specifications of the 1541 Disk Drive
Chapter 1: Disk Drive
Front Panel
Part One: Guide to Operation
Unpacking
Back Panel
Connecting the Cables
Empty the Drive
Turning on the Power
Floppy Disk Hookup
Troubleshooting Guide
Simple Maintenance Tips
Chapter 2 Diskettes
What Is a Diskette
Position for Diskette Insertion
Safety Rules for Diskette Care
Inserting a Diskette
Safety Rules for Removing Diskettes
Loading a Packaged Program
How to Prepare a New Diskette
Reusing an Old Diskette
Organizing a Diskette Library
Backups
Chapter 3: Directories
What Is a Directory
Viewing a Directory
What a Directory Shows
Watch out for Splat Files
Printing a Directory
Reading a Directory as a File
Another Way to be Selective
Pattern Matching and Wild Cards
Chapter 4: Commands
Command Channel
Reading the Error Channel
Housekeeping Hints
Saving Programs
Save with Replace a
Verifying Programs
Erasing Programs
Scratch for Advanced Users
Renaming Programs
Renaming and Scratching Troublesome Programs
Copying Programs
Validating the Diskette
Initializing
Chapter 5 Sequential Data Files
The Concept of Files
Opening a Sequential File
Adding to a Sequential File
Writing File Data: Print
Closing a File
Reading File Data Using INPUT
More about INPUT (Advanced)
Numeric Data Storage on Diskette
Reading File Data: Using GET
Demonstration of Sequential Files
Chapter 6 Relative Data Files
The Value of Relative Access
Files, Records, and Fields
File Limits
Creating a Relative File
Using Relative Files: Record
Completing Relative File Creation
Expanding a Relative File
Writing Relative File Data
Designing a Relative Record
Writing the Record
Reading a Relative Record
The Value of Index Files
Chapter 7: Direct Access Commands
A Tool for Advanced Users
Diskette Organization
Opening a Data Channel
Block-Read
Block-Write
The Original Commands
The Buffer Pointer
Allocating Blocks
Freeing Blocks
Using Random Files (Advanced)
Chapter 8: Internal Disk Commands
1541 Memory Map
Memory Read
Memory Write
Memory Execute
Block Execute
User Commands
Chapter 9: Machine Language Programs
Disk-Related Kernafl Subroutines
Changing the Device Number
Error Messages
Diskette Formats
Disk Command Quick Reference Chart
Test/Demo Diskette
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COMMODORE
0
DISK
DRIVE
useris guide
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