ROM Listing Diagnostic

Order Number: M9312-0-5

This document provides the program listing and operational details for the M9312 ROM, designed for use in PDP-11 systems. It covers the following key areas:

  • Operational Notes: Explains how to initiate the M9312 via power-up, console boot switches, or load-address sequences, and describes the functionality of the eight internal microswitches.
  • Console Emulator: Details essential console functions provided by the ROM, such as Load Address, Examine, Deposit, and Start, and how it handles device bootstrapping.
  • Diagnostic Tests: Defines the different tests included, covering Primary CPU tests (unary and double operand instructions), Secondary CPU tests (modifying memory and stack pointer), and Memory Diagnostic tests.
  • Program Listing: Includes annotated assembly code listings for the various diagnostic routines (CPU, TTY handlers, Memory, and Cache tests) along with a symbol table for referencing memory locations.
M9312-0-5-B
August 1978
46 pages
Quality

Original
2.3MB

Site structure and layout ©2026 Majenko Technologies