PDP-11/45 Processor Handbook

This document is the official Processor Handbook for the PDP-11/45. It covers the system architecture, including the UNIBUS communication system, central processor design, memory organization (core and solid-state), and memory management. The handbook provides a comprehensive guide to the instruction set, detailing both standard and floating-point instructions, along with advanced programming techniques like stacks, interrupts, and subroutines. It also describes the system operator's console and includes appendices on instruction timing, memory mapping, and trap handling.