KD11-E Central Processor

This maintenance manual provides a comprehensive technical overview of the KD11-E Central Processing Unit (M7265 and M7266), which is the CPU for the PDP-11/34 computer system. It includes detailed information on the instruction set, CPU operating specifications, hardware descriptions, data paths, memory management, and microcode. The document is intended for users with knowledge of digital circuitry and basic PDP-11 computer operations.

Key sections covered include: - Instruction Set: Details on addressing modes, instruction formats, and execution timing. - CPU Operating Specifications: Environmental and power requirements. - Hardware Description: In-depth analysis of the data path, ALU, scratchpad memory, and instruction decoding. - Memory Management: Explanation of relocation, protection, and status registers for memory management. - Microcode: Overview of microprogram flows and control store fields.