FP11-A floating-point processor

This document provides a comprehensive technical overview of the FP11-A, a hardware option for the PDP-11/34A central processor. The manual details:

• Floating-point basics: Explains floating-point number representation and arithmetic.
• Data Formats: Describes how integers and floating-point numbers (single- and double-precision) are formatted.
• Instruction Set: Lists and describes the programming instructions available for the processor.
• Processor Organization: Details the internal structure, including the AM2901 microprocessor, registers, and branch logic.
• Maintenance and Installation: Provides guidance on diagnosing issues, using the console, and installing the hardware components.