
C64 Machine Language for the Absolute Beginner
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Content
- Cover
- Contents
- Front Matter
- Title Page
- Publisher Info
- C64 Machine Language for the Absolute Beginner
- Foreward
- Chapter 1- Introduction to Machine Language
- Using a machine language program
- Memory addressing
- Summary
- Chapter 2- Basics of Machine Language Programming
- The registers
- Addressing modes
- Assembly language
- Screen memory
- Summary
- Chapter 3- Introdcution to Hexadecimal
- Binary
- Why hexadecimal?
- Absolute addressing
- Converting hexadecimal to decimal
- Summary
- Chapter 4- Introduction to ALPA
- Summary
- Chapter 5- Microprocessor Equipment
- Storing numbers
- Adding numbers
- Two byte addition
- Subtracting numbers
- Summary
- Chapter 6- Program Control
- Sprites
- Looping using JMP
- Infinite loops
- Comparing numbers
- Relative addressing
- Summary
- Chapter7- Counting, Looping and Pointing
- Counting to control a loop
- The X and Y Registers
- Using the x registers as a counter
- Using the Y registers as an index
- Summary
- Chapter 8- Using Information Stored in Tables
- Displaying characters as graphics
- Graphics memory
- Register transfer instructions
- Summary
- Chapter 9- Processor Status Codes
- BCD Representation
- Summary
- Chapter 10- Logical Operators and Bit Manipulators
- Changing bits within memory
- Rotating bits within a byte
- Clever multiplication
- Summary
- Chapter 11- Details of Program Control
- Program counter
- Stack control structure
- Subroutines and the stack
- Summary
- Chapter 12- Dealing with the Operating System
- The Kernal
- CLI
- RTI
- Summary
- Appendices
- Appendix 1- 6510 Instruction codes
- Appendix 2- 6510 Microprocessor registers
- Appendix 3- Hexadecimal to decimal conversion table
- Appendix 4- Relative branch and two's complement numbering tables
- Appendix 5- Commodore 64 memory map
- Appendix 6- The screen chip
- Appendix 7- The sound chip
- Appendix 8- CIA interface chip
- Appendix 9- Memory usage directory
- Appendix 10- Operating system routines
- Appendix 11- Table of screen codes
- Appendix 12- Current key pressed
- Appendix 13- ALPA
- Appendix 14 Screen codes
- Glossary
- Back Matter
- Also availables
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