Commodore VIC-20 Programmer's Reference Manual page 6

I
Memory Maps 170
Useful Memory Locations 178
The KERNAL 182
KERNAL Power Up Activities 211
VIC Chips 212
6560 (Video Interface Chip) 212
6522 (Versatile Interface Adapter) 218
INPUT/OUTPUT GUIDE 227
User Port 229
The Senaf Bus 234
Using the VIC Graphic Printer 236
VIC Expansion Port 241
Game Controllers 246
Joystick 246
Paddfes 248
Light Pen 250
• RS-232 Interlace Description 251
APPENDICES 261
A, Abbreviations for BASIC Keywords 263
B. Screen & Border Color Combinations 265
C> Table of Musical Notes 266
D. Screen Display Codes 267
E. Screen Memory Maps 270
F. ASCII and CHRS Codes 272
G. Deriving Mathematical Functions 275
H. Error Messages 276
I. Converting Programs to VIC 20 BASIC 278
J. Pinouts for Input/Output Devices 280
K. VIC Peripherals & Accessories 284
INDEX 285
SCHEMATIC 291