PDP-11 Processor Handbook

This 1981 handbook by Digital Equipment Corporation serves as an introductory guide to the PDP-11 family of minicomputers, commemorating its 10th anniversary and outlining its significant developments, including the PDP-11/44 and PDP-11/24 processors. It emphasizes the family's compatibility and the innovative UNIBUS architecture, which facilitates direct, high-speed communication between the processor, memory, and peripherals. The document details specific PDP-11 models (04, 24, 34A, 44, 70), covering their architecture, instruction sets, various addressing modes, programming techniques (such as position-independent code, stacks, subroutines, interrupts, and memory management), floating-point operations, and commercial instruction sets. It provides a comprehensive overview for users, noting that some PDP-11/24 timings were incomplete at the time of publication.