Instruction Test Programs

This document contains a collection of diagnostic routines used for verifying the correct operation of PDP-1 memory reference and augmented instructions. The routines are intended for technicians and follow the standard PDP-1 maintenance program format as defined in memo M-1127. The document includes the introduction and operating instructions, followed by specific test routines for various instruction sets including:

• Clear memory tests
• Skip and jump instruction tests
• lac, dac, idx, and add instructions
• add, sub, lio, dio, sas, sza, lac, jmp, isp, dac, hlt, idx, dap, and spi tests
• ior and xor logical tests
• jmp, jsp, and jda tests
• cal tests
• AC and IO shift rotate tests
• Shift and rotate command tests