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Radio Shack TRS-80

Radio Shack TRS-80
169 pages
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Computer
Graphics
Operation
Manual
-----------TRS-BO
®
----------
Contents
To
Our
eus
tamers.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
4
1/
Computer
Graphics
Overview
•..•.••••..••••.••••.•.•••.•
7
Starting-Up
.
Comm.ands
••••••••••••••••••••••••
•'
•••••••••••
2/
Graphics
BASICG
BASIC (BASICG)
••...••••....••••••.•••••••••.
12
13
14
3/
Graphics
utilities
59
4/
Graphics
Subroutine
Library
(FORTRAN)
•••••••••••••..•
91
5/
Programming
the
Graphics
Board
••.••••...•..•.••••.••
114
Appendix
A/
BASICG/Utilities
Reference
Summary
•••••••••
117
Appendix
B/
BASICG
Error
Messages
••..••••.•••••.•.••.••
12~
Appendix
C/
Subroutine
Language
Reference
Summary
•.•••.
125
Appendix
0/
Sample
Programs
BAS
leG.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . .
..
127
Printing
Graphics
Displays
••.•..•...•••••••..•.•••
133
FORTRAN
Sample
Programs
•..•••••...••••••••..••••.•
135
Appendix
E/
Base
Conversion
Chart
••.••••.•.•.••.•••..••
152
Appendix
F/
Pixel
Grid
Reference
•.••••••.•.•••.•.•••.••
156
Appendix
G/
Line
Style
Reference
..•.•••.•••••...•••..•.
162
Index.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
163
----------lIadlolhaetl----------
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