PDP-10 Reference Card

This document serves as a pocket reference guide for the Digital Equipment Corporation (DEC) PDP-10 system. It provides a comprehensive list of instruction codes, categorized by function, including user-defined UOOs, monitor calls, arithmetic operations, and input/output instructions. Additionally, it details important word formats for basic instructions, including device status word structures, UUO parameter blocks, and various pointers used by the processor and input/output devices. The information is tailored for quick lookup by programmers and system maintainers.