Commodore Plus/4 User manual

User's

Manual

WOHD

PROCESSING

SPREAD

SHEETS

EATA

MANAGEMENT

USER'S

"This

equipment

generates

and

uses

radio

frequency

energy.

MANUAL

not

Pr°Per|y

installed

and

used

strict

accordance

with

the

manu-

STATEMENT

facturer's

instructions,

this

equipment

may

interfere

■

idio

and

television

reception.

This

machine

has

been

tested

and

found

com

ply

with

the

limits

for

Class

computing

device

accordance

with

the

specifications

Subpart

J of

Part

the

FCC

Rules,

which

are

designed

provide

reasonable

protection

against

such

interference

residential

installation.

you

suspect

interference,

you

can

test

this

equipment

turning

off

and

on.

you

determine

that

there

interference

with

radio

television

reception,

try

one

the

following

measures

correct

it;

•

reorient

the

receiving

antenna

•

move

the

computer

away

from

the

receiver

•

change

the

relative

positions

the

computer

equipment

and

the

receiver

•

plug

the

computer

into

different outlet

that

the

computer

and

the

receiver

are

different

branch

circuits

necessary,

consult

your

Commodore

dealer

experienced

radio/

television

technician

for

additional

suggestions.

You

may

also

wish

consult

the following

booklet,

which

was

prepared

the

Federal

Communications

Commission:

"How

Identify

and

Resolve

Radio-TV

Interference

Problems."

This

booklet

available

from

the

U.S.

Government

Printing

Office,

Washington,

D.C.

20402.

Stock

No.

004-000-00345-4;

You

should

use

only

the

cables,

accessories,

and

peripherals

commended

Commodore

for

your

Plus/4.

All

cables,

including

the

cables

for

the

television

hookup,

serial

port,

video

port,

Datassette™

and

joysticks,

are

specially

shielded,

accordance

with

the

regula

tions

the

Federal

Communications

Commission.

Failure

use

the

appropriate

accessories

and

cables

will

invalidate

the

FCC

grant

certification,

and

may

cause

harmful

radio

interference.

1984

Commodore

Electronics

Limited

All

rights

reserved.

This

manual

contains

copyrighted

and

proprietary

information.

pan

this

publication

may

reproduced,

stored

retrieval

system,

transmitted

any

form

any

means,

electronic,

mechanical,

photocopying,

recording

otherwise,

without

the

prior

written

permission

Commodore

Electronics

Limited

Commodore

BASIC

Copynghi

■£■

1984

Commodore

Electronics

Limited,all

rights

reserved.

1977 by

Microsoft,

all

rights

reserved.

COMMODORE

PLUS/4

USER

MANUAL

TABLE

INTRODUCTION

CONTENTS

CHAPTER

Unpacking

and

Setting

CHAPTER

Using

the

Keyboard

and

Screen

CHAPTER

Using

Software

—

CHAPTER

Getting Started

CHAPTER

Beginning

BASIC

CHAPTER

Numbers

and

Calculations

—'

CHAPTER

Using

Graphics

and

Color

CHAPTER

Making

Sound

and

Music

104

COMMODORE

PLUS/4

ENCYCLOPEDIA

BASIC

3.5

Encyclopedia

115

Commands

u—

Statements

130

Functions

15b—

Variables

and

Operators

16^

BASIC

3.5

Abbreviations

169

Conversion

Programs

U%~^

Error

Messages

17^

TEDMON

184

Screen

Display

Codes

193—

ASCII

and

CHRS

Codes

196

Screen

and

Color

Memory

Maps

199

Memory

Map

201—'

Deriving

Mathematical

Functions

203

Musical

Note

Table

204

Programs

Try 206

RS-232

Guidelines

209

Book

List

215

INDEX

216

INTRODUCTION

You've

made

wise

purchase...

the Plus/4

the

first

home

computer

ever

designed

especially

for

productivity

applications.

course,

it's

still

able

all

the

other

things

home

computer

can

used

for.

This

manual

designed

help

you

learn

those

"other

things"

your

Plus/4

can

do.

You'll

learn

how

to:

•

Set

your

Plus/4

•

Use

the

different

functions

all

the

keys

the

keyboard

•

Access

different

types

Commodore

Software

•

Use

the

mathematical,

graphics,

sound

and

programming

capabilities

your

Plus/4

The

other

manual

included

with

your

computer

(T/ie

Plus/4

Built-in

Integrated

Software

Manual)

tells

you

how

use

the

wordprocessing.

electronic

spreadsheet,

database

and

graphics

packages.

your

main

interest

these

productivity

applications,

and

you

can't

wait

get

started

using

them,

still

recommend

that

you

read through

least

chapter

one

this

manual

("Unpacking

and

Setting

Up")

before

reviewing

the

Built-in

Software

Manual.

WHAT'S

SPECIAL

ABOUT

THE

PLUS/4

64K

RAM

(60K

available

for

BASIC

programming)

Full

Typewriter

Style

Keyboard

Optional

Built-in

Software

Screen

Window

Capability

HELP

Key

Pre-programmed,

Reprogrammable

Function

Keys

Four

Separate

Cursor

Keys

Uses

Most

COMMODORE

and

VIC-20

Peripherals

121

Colors

(16

primary

colors,

luminance

levels)

Over 75

BASIC

Commands

High

Resolution

Graphics

Plotting

Split-Screen

Text

With

High-Res Graphics

Graphic

Character

Set

Keyboard

Color

Controls

320

200

Pixel

Screen

Resolution

Reverse

and

Flashing

Characters

Tone

Sound

Generators

Built-in

Machine

Language

Monitor

(17

commands)

CREATING

COMPLETE

COMPUTER

SYSTEM

Computer:

Commodore

PLUS/4

Display;

Commodore

1702

1802/1803

Color

Monitor

Storage:

Commodore

1531

Datasselte

(tape

recorder)

Commodore

Disk

Drive

Printer:

Commodore

Printer

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