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Commodore PET - Page 7

Commodore PET
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5. (Continued)
Graphies
Graphies in Calculator Mode
Programming Graphies
Summary
Animation
Time Delay
Programming Character Placement
Summary
Files
Program Files
Data Files
File Handling
Writing
a Data File
Reading a Data File
Alternate Character Set
Features of the Alternate Character Set
BASIC
Word
Abbreviations
Setting the Clock
Digital Display Clock
POKE
to
the Screen
Calculating the Screen Address
Generating Random Numbers
6. System Information
Organization of the
PET
System
Memory
Map
PET
BASIC Interpreter
BASIC Statement Storage
User Program Area Initialization
Data Formats
Array Header
Assembly Language Programming
Appendices
A.
PET
ASCII Codes
B.
PET
Error Messages
Operating System Error Messages
C.
Program Examples Solved
D.
BASIC Bibliography
E.
PET
Newsletters and References
F.
Conversion Tables
Hexadecimal-Decimal Integer Conversion
Powers of
Two
Mathematical Constants
Powers
of
Sixteen
Powers
of
T
en
G.
Variations for Original ROMs (Revision Level
2)
H.
PET
Features
Index
viii
225
225
229
231
232
232
233
237
237
239
239
240
242
255
273
277
278
281
285
288
288
291
303
303
308
310
312
315
317
322
329
347
361
366
369
387
389
393
394
400
400
401
401
403
425
427

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