Analyzer 1

This interoffice memorandum describes 'Analyzer 1', a debugging tool for PDP computers developed by Adams Associates, Inc. The tool produces a listing of program instructions, including their memory locations, operation codes, and octal contents, along with a cross-reference of all instructions that refer to a given memory location. The document provides instructions on how to use the analyzer, including setup procedures, handling of sense switches for input/output control, and troubleshooting tips for common tape reader errors. It also includes a list of system halts and their meanings. The analyzer can accommodate approximately 1750 references and is designed for programs of up to 3000 instructions.