Programmed Data Processor-1 Manual

The Programmed Data Processor-1 (PDP-1) is a high-speed, solid-state digital computer developed by Digital Equipment Corporation. This manual details its architecture, which features a 18-bit word length, a magnetic core memory, and a versatile, stored-program design.

Key contents include: * Central Processor: An overview of the processor elements, instruction cycle times, and the binary number system used. * Programming: A description of instruction formats, indirect addressing, and various instruction groups including arithmetic, logical, augmented, and in-out transfer instructions. * Standard and Optional Equipment: Detailed information on standard peripheral equipment such as the perforated tape reader, tape punch, and typewriter, as well as optional add-ons like magnetic tape controls, cathode ray tube displays, and the line printer. * Sequence Break System: An explanation of the interrupt handling capabilities of the system. * Appendices: A complete list of instructions, character codes, and conversion tables for reference.