Radio Shack - TRS 80 Model I Computer - Two Original Manuals (Ocean View, CA)

Radio Shack - TRS 80 Model I Computer - Two Original Manuals

Local pick-up preferred (please call first (540) 788-4344 but will ship at the buyers expense. Kingston - TRS 80 Manuals 100.00 or Best Offer for the pair Manual 1 - TRS-80 Microcomputer Technical Reference Handbook Table of Contents 1. Introduction 2. System Block Diagram Description 3. The Memory Map 4. Theory of Operation CPU Address Lines CPU Data Bus CPU Control Group System RAM Video Divider Chain Video RAMs Video Processing Keyboard Input and Output Port System Power Supply Level II ROMs 5. Adjustments and Troubleshooting 6. The Outside World Memory Mapped External Device Port Based External Device Explanation of Expansion Signals Pin Connections for Expansion Port Edge Card 7. Parts List 8. Schematic BASIC I ROMs BASIC II ROMs TRS-80 Master Schematic Paperback 108 pages Manual 2 Level II BASIC Reference Manual - 2nd Edition Contents Setting up the System 1. General Information 2. Commands 3. Input-Output Statements 4. Program Statements 5. Strings 6. Arrays 7. Arithmetic Functions 8. Special Features 9. Editing 10. Expansion Interface 11. Saving Time and Space Appendices A. Level II Summary B. Error Codes C. TRS-80 Character Codes D. Memory Map and Addresses E. Internal Codes for BASIC Keywords F. Derived Functions G. Base Conversions H. User Programs I. Converting Level I Programs J. Hints and Tips of Cassette Programs Index