A comprehensive memory guide
for beginning and advanced programmers of the Commodore 64 and 64C personal computers, ~ including a complete memory map of GEOS.
Mapping the Commodore 64 and 64C is a detailed and
comprehensive explanation of the Commodore 64 and 64C
computers' memory, This is the definitive work-complete
and clear discussions of all the important user-alterable
memory locations in the computer, as well as details of the
BASIC and Operating System routines in permanent memory
(ROM), and of GEOS from Berkeley Softworks, Whether
you're programming in BASIC or in machine language,
you'll find this sourcebook invaluable.
Author(s): Sheldon Leemon
Publisher: COMPUTE! Publications, Inc.
Year: 1987
Language: English
Pages: 340
Foreword v
Acknowledgments v
Introduction vii
Chapter 1. Page 0 1
Chapter 2. Page 1 45
Chapter 3. Pages 2 and 3
BASIC and Kernal Working Storage 49
Chapter 4. IK to 40K
Screen Memory, Sprite Pointers, and
BASIC Program Text 79
Chapter 5. 8K BASIC ROM and 4K Free RAM 85
Chapter 6. VIC-II, SID, I/O Devices, Color RAM,
and Character ROM 119
Chapter 7. 8K Operating System Kernal ROM 203
Chapter 8. GEOS 247
Appendices
Appendix A. A Beginner's Guide to Typing In Programs 303
Appendix B. How to Type In Programs 305
Appendix C. Screen Location Table 307
Appendix D. Screen Color Memory Table 308
Appendix E. Screen Color Codes 309
Appendix F. 311
ASCII Codes
Appendix G. Screen Codes 315
Appendix H. Commodore 64 Keycodes 317
Index (By Memory Location) 318
GEOS Index (By Memory Location) . . 322
