CREF12 Cross Reference Program

This document is a technical handbook for the CREF12 cross-reference program, designed for use with the DIAL-MS assembler on the PDP-12 computer. It provides an introduction to the utility, explains the operating environment, and outlines step-by-step procedures for assembling and generating a cross-reference listing. The manual also includes detailed internal descriptions, documentation of error conditions, and a full program assembly listing for reference.