Programmed Data Processor-1 Handbook

This handbook details the operation and programming of the Digital Equipment Corporation's PDP-1, a high-speed, solid-state digital computer. It covers the machine's architecture, including its memory system and central processor. The document provides comprehensive documentation on the instruction set (memory reference, augmented, skip, operate, and in-out transfer groups), along with technical details for various standard and optional input-output equipment such as perforated tape readers, CRT displays, magnetic tape controls, and card punch units. It also outlines the Sequence Break Mode and maintenance instructions for troubleshooting.