Table of Contents| Preface | v |
| Introduction | vii |
| 1. Memory Organization | 1 |
| 2. Common Working Storage Area | 13 |
| 3. Bank 0 Working Storage Area | 115 |
| 4. RAM Usage | 181 |
| 5. BASIC ROM | 195 |
| 6. Machine Language Monitor ROM | 241 |
| 7. Screen Editor ROM | 267 |
| 8. I/O Chip Registers, Color RAM, and Character ROM | 331 |
| 9. Kernal ROM | 509 |
| |
| Appendices | 617 |
| A. Interrupts/Todrf Heimarck | 619 |
| B. Bugs and Quirks in 128 ROM | 625 |
| C. Character, Screen, and Keyboard Codes | 629 |
| D. Musical Note Frequencies | 645 |
| E. 64/128 Memory Map Cross Reference | 649 |
| F. BASIC Keyword Index | 657 |
| G. Index of Locations and Routines | 663 |