Diskless Controller Diagnostic

This document contains the diagnostic program for the RL8A diskless controller, designated by product code AC-C656D-MA. It details the testing procedures, system requirements (including a PDP-8/E/F/M or A with 8K memory), and operating instructions. The document includes a comprehensive listing of subtests used to verify controller register integrity, error handling, interrupt generation, and data transfer operations, along with a symbol table and cross-reference listing for the diagnostic software.