Programmed Data Processor-1

This document, titled 'Programmed Data Processor-1', is a technical manual for the PDP-1 computer released by Digital Equipment Corporation in 1960. It covers the following key areas:

• Introduction: Provides an overview of the PDP-1, describing it as a high-speed, solid-state digital computer using magnetic core memory and fully parallel processing.
• Programming: Details the number system (fixed-point binary), instruction formats, indirect addressing, operating speeds, and manual console controls.
• Instruction List: Offers a comprehensive list of memory reference, logical, general, augmented, and skip/operate instructions with their operation codes and execution times.
• Input-Output Equipment: Describes standard equipment (paper tape reader, typewriter, paper tape punch) and optional peripherals (magnetic tape, cathode ray tube, light pen, line printer, analog equipment, and the Sequence Break System for interrupts).
• Utility Programs: Outlines available programming tools including symbolic address assembly, memory print-out, binary punch/read-in, and maintenance programs.
• Appendix: Contains abbreviated instruction lists, numerical instruction lists, and alphanumeric code tables.
• Addenda: Provides updates for new instructions like 'Deposit Zero in Memory' and 'Execute', along with information on additional memory and console enhancements.