Commodore 2031 User Manual

Table of Contents
Chapter1
General Description 1
Introduction 1
The Manual - A Learning Tool 2
General Hardware Information 3
Front Panel 3
Back Panel 4
Interior Configuration 4
The Diskette 4
Specifications 5
Care of the 2031 5
Care of the Diskettes 7
Unpacking the Disk Drive 7
Chapter 2
Preparing Your Disk Drive 9
Connecting the Disk Drive To The Computer 9
Performing the Power-On Test 10
Inserting The Diskette Into The 2031 12
The 2031 Performance Test 12
Chapter 3
Learning How To Use Your Floppy Disk Drive 15
The Block Availability Map (BAM) 16
The Disk Operating System (DOS) 17
Disk Maintenance Commands 18
NEW 18
HEADER (BASIC 4.0 Direct Command) 20
Initializing The 2031 20
The Directory 20
LOAD$ 21
DIRECTORY (BASIC 4.0 Direct Command) 21
Printing The Directory 21
VALIDATE 22
COLLECT (BASIC 4.0 Direct Command) 22
COPY 23
COPY (BASIC 4.0 Direct Command) 24
CONCAT (BASIC 4.0 Direct Command) 24
RENAME 24
RENAME (BASIC 4.0 Direct Command) 25
SCRATCH 26
SCRATCH (BASIC 4.0 Direct Command) 26
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Commodore 2031 Specifications

General

Type	Floppy Disk Drive
Storage Capacity	170 KB
Power Supply	External
Manufacturer	Commodore
Model	2031
Drive Mechanism	Single-sided, single-density
Media Type	Floppy Disk
Interface	IEEE 488
Compatibility	Commodore 64

Summary

Chapter 1: General Description

General Hardware Information

Details drive components, interface, and specifications.

Specifications

Lists technical specifications of the 2031 drive, including storage and physical details.

Chapter 2: Preparing Your Disk Drive

Connecting the Disk Drive To The Computer

Guides on the types of connector cables required for computer interface.

Performing the Power-On Test

Outlines the step-by-step procedure for the initial drive checkout.

Inserting the Diskette Into The 2031

The 2031 Performance Test

Describes the procedure to test the drive's functionality after power-on.

Chapter 3: Learning How To Use Your Floppy Disk Drive

Disk Maintenance Commands

Introduces commands for file and disk management operations.

Chapter 4: BASIC Commands For Data Handling

BASIC Commands for Disk Drives

Lists essential BASIC commands for disk drive interaction and data transfer.

SAVE and DSAVE Commands

LOAD and DLOAD Commands

OPEN Command

QUICKLOAD FEATURE (BASIC 4.0)

Chapter 5: Advanced Disk Programming

COMMODORE DISK OPERATING SYSTEM (DOS)

DISK UTILITY COMMAND SET

Lists various low-level commands for direct disk operations.

Chapter 6: Advanced File Management

SPECIAL OPEN AND CLOSE STATEMENTS FOR DIRECT ACCESS

RANDOM ACCESS EXAMPLE

Demonstrates single record access in BASIC using a relative record scheme.

Creating a File

Adding a Record

Modifying a Record

RELATIVE FILES

Creating a Relative File

Accessing a Relative File

Chapter 7: Simplifying the Use of Commodore Disk-Related Commands

LOADING THE DOS SUPPORT PROGRAM

Instructions for loading the DOS SUPPORT program for easier command entry.

Using DOS Support Symbols (> and @)

Chapter 8: Error Messages, Pattern Matching, File Names - Disk Commands

REQUESTING ERROR MESSAGES: COMMODORE DISK DRIVES

How to display errors on screen and reset the device error indicator.

DESCRIPTION OF DOS ERROR MESSAGES

Detailed explanations of various DOS error codes and their causes.

PATTERN MATCHING

User's Quick Reference: Disk Commands