Machine Language Monitor

This document is a manual for the "Machine Language Monitor" program, also known as TIM, for the Commodore PET computer. It explains how to load and use TIM, which allows users to interact with the PET's hardware at a machine language level. The manual details various commands for displaying and modifying memory, registers, and executing programs. It also covers interrupt and breakpoint handling, memory usage, and provides a checkout procedure with examples for testing the monitor. The document is organized into sections covering commands, examples, interrupt and breakpoint action, memory usage, monitor checkout procedure, and a PET memory map. It was copyrighted in 1978 by Commodore Business Machines, Inc.