RCA COSMAC Manuals

Table of Contents

• 3

  Table of Contents

  • 8

    Operating and Programming the Microkit
    • 8

      System Overview and Initial Operation
    • 12

      Instruction Set and Memory Organization
      • 12

        COSMAC Instruction Set
      • 12

        Memory Organization
    • 14

      Introduction to Utility Package - UT2
    • 19

      Machine Language Programming
    • 24

      Programming Interface to CSDP
    • 32

      UT2 Features and Calling Sequences
      • 32

        UT2 Read and Type Routines
      • 37

        UT2 Register Storage Option
    • 38

      System Block Diagram
    • 40

      Module Descriptions
      • 40

        CPU Module
      • 41

        Clock and Control Module
      • 43

        Address Latch Module
      • 44

        5L2-Byte RAM Module
      • 45

        5L2-Byte PROM Module
      • 46

        I/O Decoder Module
      • 47

        Bus Separator Module
      • 48

        Byte I/O Module
      • 49

        Terminal Module
    • 50

      Card Nest and Signal-Naming Conventions
    • 53

      Memory Module Addressing Details
      • 55

        Custom Memory Modules
    • 57

      Input/Output Interfaces
      • 57

        Introduction
        • 57

          Two-Level I/O
      • 59

        Interfacing Signals
      • 62

        Dma
      • 62

        Interrupt
      • 63

        Interfacing Examples
        • 63

          Sample Program System
        • 66

          Bit Serial Interface - the Terminal
          • 66

            Module
      • 67

        Interfacing Techniques and Precautions
        • 67

          To Use External Clocks
        • 67

          External Flags EFI to EF4
        • 68

          Remote Start/Stop
        • 68

          Bus Deseparator
        • 68

          Microkit Dynamic Characteristics
        • 69

          Troubleshooting

• 84

  Table of Contents

  • 85

    Appendix E
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