Receiver/Transmitter Buffer Base Location Pointers
357
Zero-Page Memory Locations and Usage
for RS-232 System Interface. . . . . . . . . . . . . . . . . . . . . ..
358
Nonzero-Page
Memory Locations and Usage
for RS-232 System Interface.. . . . . . . . . . . . . . . . . . . . ..
358
.
The User Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
359
Port Pin Description
359
.
The Serial Bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
362
Serial
Bus Pinouts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
363
.
The
Expansion
Port
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
366
.
Z-80Microprocessor C artridge. . . . . . . . . . . . . . . . . . . . . . . ..
368
Using Commodore
CP/M@
.
.
. . . . . . . . . . . . . . . . . . . . . . . ..
369
Running
Commodore
CP/M@
. . . . . . . . . . . . . . . . . . . . . . . ..
369
APPENDICES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
373
A. Abbreviations for BASICKeywords. . . . . . . . . . . . . . . . . . ..
374
B. Screen Display Codes
376
C. ASCIIand CHR$ Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . ..
379
D. Screen and Color MemoryMaps. . . . . . . . . . . . . . . . . . . . ..
382
E. Music Note Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
384
F. Bibliography
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
388
G. VIC Chip Register Map
391
H. Deriving Mathematical
Functions
394
I.
Pinouts for Input/Output Devices. . . . . . . . . . . . . . . . . . . . ..
395
J.
Converting Standard
BASIC Programs to
Commodore 64 BASIC
398
K. Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
400
L.
6510 Microprocessol Chip Specifications
402
M. 6526 Complex Interface Adapter (CIA)
Chip Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
419
N. 6566/6567 (VIC-II)Chip Specifications. . . . . . . . . . . . . . . ..
436
O. 6581 Sound Interface Device (SID) Chip Specifications.
.. 457
P.
Glossary
482
INDEX
483
COMMODORE 64 QUICK REFERENCE CARD
487
SCHEMATIC DIAGRAM OF THE COMMODORE 64 . . . .. 491
vii
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