KD11-D Processor Manual

This preliminary manual details the KD11-D Central Processor Unit (M7263), designed for the PDP-11/04 computer series.

Key contents include: * Instruction Set: Coverage of addressing modes, instruction timing, and programming differences between the KD11-D and the previous KD11-B processor. * Hardware Description: Detailed architectural information, including data path circuitry, ALU functions, Scratch Pad Memory, B-Register operations, and UNIBUS interfaces. * Microcode: Explanations of microprogram flows, notation, and examples. * System Specifications: Technical operating specifications and UNIBUS pin assignments. * Service and Traps: Procedures for handling interrupts, traps, and power-fail/auto-restart routines.