KD11-EA Central Processor

This maintenance manual covers the KD11-EA Central Processing Unit (M8265 and M8266), which functions as the CPU for the PDP-11/34A computer. The document includes:

• Instruction Set: Detailed specifications and execution timing for the PDP-11/34A instruction set.
• Hardware Description: In-depth analysis of the data path, including the ALU, B Leg, Scratchpad memory, and instruction decoding circuitry.
• CPU Specifications: Operating specifications such as temperature, power requirements, and pin assignments.
• Memory Management: A comprehensive section on the KT11-D memory management system, covering virtual addressing, relocation, and protection mechanisms.
• Microcode: Information on control store fields and microprogram flows.

The manual is intended for users with a background in digital circuitry and basic PDP-11 architecture.