Atari 130XE Machine Language for the Absolute Beginner

First published in 1985, this user-friendly guide to coding machine language on the Atari 130XE helped many owners of the much-loved home computer achieve programming feats well beyond the limits of BASIC. Based on the MOS Technology 6502 CPU running at 1.79 MHz, the 130XE was one of Atari's fa...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Bergin, Kevin
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Luton, Bedfordshire : Andrews UK Ltd., 2020.
Colección:Retro Reproductions Ser.
Temas:
Machine learning.
String quartets.
Apprentissage automatique.
Quatuors à cordes.
Machine learning
String quartets
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Contents
  • Front Matter
  • Title page
  • Publisher info
  • Foreword
  • Atari 130XE Machine Language for the Absolute Beginner
  • Chapter 1- Introduction to Machine Language
  • Using a Machine Language Program
  • Memory Addressing
  • Using Memory Directly from BASIC
  • Machine Language as a Subroutine
  • Summary
  • Chapter 2- Basics of Machine Language Programming
  • Using Memory from Machine Language
  • The Registers
  • The Accumulator
  • Addressing Modes
  • Simple Program Input
  • Assembly Language
  • Screen Memory
  • Printing a Message
  • Summary
  • Chapter 3- Introduction to Hexadecimal
  • Uses of Hexadecimal
  • Binary
  • Why Hexadecimal
  • Hex and Binary Mathematically
  • Absolute Addressing
  • Converting Hexadecimal to Decimal
  • Summary
  • Chapter 4- Introduction to ALPA + Disassembler
  • To Get ALPA Running
  • Using ALPA
  • ALPA Commands
  • Memory Usage in ALPA
  • Summary
  • Chapter 5- Microprocesor Equipment
  • Storing Numbers
  • The Carry Flag
  • Adding Numbers
  • Two Byte Addition
  • Subtracting Numbers
  • An Exercise
  • Summary
  • Chapter 6- Program Control
  • Player-Missile Graphics
  • Moving Player-Missile Graphics
  • Looping Using JMP
  • ALPA Label Name Addressing
  • Infinite Loops
  • Comparing Numbers
  • Branch Instructions
  • Zero Flag
  • Program Summary
  • Relative Addressing
  • Summary
  • Chapter 7- Counting, Looping and Pointing
  • Counting to Control a Loop
  • Counting Using the Accumulator
  • Counting Using Memory
  • The X and Y Registers
  • Using the X Register as a Counter
  • Moving Blocks of Memory
  • Implied Addressing
  • Relative Addressing
  • Absolute Addressing
  • Indexed Addressing
  • Using the X Register as an Index
  • Non-Symmetry of Commands
  • Searching Through Memory
  • Using More than One Index
  • Zero Page Indexed Addressing
  • Summary
  • Chapter 8- Using Information Stored in Tables
  • Displaying Characters as Graphics
  • Graphics Memory
  • Copying the Character Sets from ROM
  • Indirect Indexed Addressing
  • Register Transfer Instructions
  • Indirect Addressing
  • Summary
  • Chapter 9- Processor Status Codes
  • BCD Representation
  • Summary
  • Chapter 10- Logical Operators and Bit Manipulators
  • Changing Bits Within Memory
  • The Logical AND
  • The Logical OR
  • The Logical Exclusive OR
  • The Bit Instruction
  • Rotating Bits Within a Byte
  • Rotation With Carry
  • Rotating to the Right
  • Clever Multiplication
  • Summary
  • Chapter 11- Details of Program Counter
  • The Program Counter
  • Storing into the Program Counter
  • The Program Counter and Subroutines
  • The Stack Control Structure
  • Subroutines and the Stack
  • The Stack and Interrupts
  • Summary
  • Chapter 12- Dealing with the Operating System
  • The Kernal
  • CLI (Clear Interrupt Flag)
  • RTI (Return from Interrupt)
  • Summary
  • Back Matter
  • Appendices
  • Appendix 1- 6502 Instruction Codes
  • Appendix 2- Hexadecimal to Decimal Conversion Table

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