Preface
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vii
|
1
|
Architecture of the BBC Machine
|
1
|
2
|
The 6502 Microprocessor
|
33
|
3
|
The 6502 Instructions and Addressing Modes
|
52
|
4
|
Handling the Resident Assembler
|
77
|
5
|
Multi-byte Loops
|
101
|
6
|
Sort Routines
|
113
|
7
|
Using Subroutines, Macros and Look-up Tables
|
157
|
8
|
Direct Screen Addressing and Hardware Scrolling
|
173
|
9
|
Interrupt Techniques and the User Port
|
193
|
Appendix A: Binary and Logic
|
215
|
Appendix B: Operating System Calls
|
234
|
Appendix C: 6502 Complete Instruction Set
|
235
|
Appendix D: Glossary of terms
|
249
|
Answers to Self Test Questions
|
254
|
Index
|
257
|