Contents

 

I.

Getting Started

5

 

What This Manual Covers

5

 

The Power Supply

6

 

What You See

7

 

Turning It On

7

II.

COSMAC VIP Operation

9

 

Using the Operating System

9

 

Memory Write

9

 

Memory Read

10

 

Tape Write

10

 

Tape Read

10

 

Testing Your Cassette System

11

III.

CHIP-8 Language Programming

13

 

Branch Instructions

13

 

How to Change and Use the Variables

13

 

Using the Display Instructions

14

 

Applying CHIP-8

16

 

Some Program Ideas

17

IV.

Machine Language Programming

19

 

VIP Machine Coding

19

 

Putting Machine Coding and CHIP-8 Language Together

19

 

Machine Language Programming Summed Up

20

V.

Logic Description

21

 

How Memory is Addressed

21

 

How the Input/Output Works

21

VI.

Expansion Considerations and Connections

23

 

Using the Byte Input/Output

23

 

Using the Expansion Interface

24

 

Some Expansion Ideas

24

VII.

Troubleshooting Hints

27

 

No Sound

27

 

No Display

27

 

Other Problems

27

 

Signal Tracing

27

 

Last Resorts

28

Appendix A - Test and Operating Data

29

 

Byte Pattern for Displaying "COSMAC"

29

 

Beeper Program

29

 

Cassette Attachment Diagram

30

 

Cassette Phase Test

30

 

Cassette Data Test

31

 

Cassette Recording Guidelines

32

 

Memory Test Program

32

Page 4
Image 4
RCA CDP18S711 manual Contents