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RCA CDP18S711 User Manual
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18
25.
PROGRAMMED SP
OT -
Introduce children to
programming concepts by lettin
g them
preprogram
the movem
ents of a spot
or object on
the screen.
RCA COSMAC VIP Instruction Manual
The next section will discuss machine language
programmi
ng. You can e
ven
combine machine language
subroutines with CHIP-8 programs if desired.
16
18
Table of Contents
Default Chapter
4
Table of Contents
4
Getting Started
6
What this Manual Covers
6
The Power Supply
7
What You See
8
Turning It on
8
COSMAC VIP Operation
9
Using the Operating System
9
Memory Write
9
Tape Write
9
Tape Read
9
Memory Read
10
Tape Write
10
Tape Read
10
Testing Your Cassette System
11
CHIP-8 Language Programming
12
Branch Instructions
12
How to Change and Use the Variables
12
Using the Display Instructions
13
Applying CHIP-8
15
Some Program Ideas
16
Machine Language Programming
18
VIP Machine Coding
18
Putting Machine Coding and CHIP-8 Language Together
18
Machine Language Programming Summed up
19
Logic Description
20
How Memory Is Addressed
20
How the Input/Output Works
20
Expansion Considerations and Connections
22
Using the Byte Input/Output
22
Using the Expansion Interface
23
Some Expansion Ideas
23
Troubleshooting Hints
26
No Sound
26
No Display
26
Other Problems
26
Signal Tracing
26
Last Resorts
27
Appendix A - Test and Operating Data
28
Byte Pattern for Displaying "COSMAC
28
Beeper Program
28
Cassette Attachment Diagram
29
Cassette Phase Test
29
Cassette Data Test
30
Cassette Recording Guidelines
31
Memory Test Program
31
Appendix B - Operating System
32
Operating System Listing
32
Operating System Register Table
33
Operating System Summary
33
Appendix C - CHIP-8 Interpreter
34
CHIP-8 Interpreter Listing
34
CHIP-8 Memory Map
35
CHIP-8/Operating System Standard Digit Display Format
36
CHIP-8 User Notes
37
Appendix D - Video Games
38
1 VIP Kaleidoscope
38
2 VIP Video Display Drawing Game
38
3 VIP Wipe off
38
Vip Video Display Drawing Game
40
4 VIP Space Intercept
38
5 VIP 4096-Bit Picture
38
19 VIP Strike-9
42
20 VIP Card Game (Like the Well-Known Acey-Ducey)
42
Appendix E - Logic Diagrams
42
Fig. E-1 - Microprocessor and Display Interface Circuits
42
Fig. E-2 - ROM Circuits and Expansion Interface
43
Fig. E-3 - Keyboard, Decoding, Audio Oscillator, and Cassette Interface Circuits
44
Fig. E-4 - RAM Circuits
45
Appendix F - Board Layout, Parts List, and Assembly Instructions
48
Printed Circuit Board Layout
48
COSMAC VIP Expansion Notes
55
A. Soldering the PC Board
55
B. Voltage Regulator Option
55
C. Additional 2048-Byte RAM Option
55
4
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RCA CDP18S711 Specifications
General
Brand
RCA
Model
CDP18S711
Category
Desktop
Language
English
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