TOPS-10 Stopcodes Specification Jan89

This document, the "TOPS-10 Stopcodes Specification" (AA-BJ93C-RB), published in January 1989, serves as a comprehensive guide to stopcodes for the TOPS-10 monitor, GALAXY, and DECnet-10 software (versions 7.04, 5.1, and 4.0 respectively).

Its primary purpose is to assist users in analyzing stopcode messages, investigating their causes, and taking corrective actions when these software components experience unexpected failures. The specification defines stopcodes as messages generated by the monitor when it detects serious internal errors, categorizing them by severity and impact (DEBUG, JOB, STOP, CPU, HALT, and INFO).

The document includes definitions, examples of stopcode messages, and extensive alphabetical lists of stopcodes for each software component (TOPS-10 Monitor, DECnet-10, and GALAXY-10). For each stopcode, it provides its name, originating module, type, a descriptive message, an explanation of the error, and any data items relevant for dump analysis.