SIM - A Very Simple Computer

SIM Documentation

• sim1.txt - text file describing the SIM1 computer
• card.txt - SIM reference card, text version
• card.docx - SIM reference card, Microsoft Word version
• simwriteup.docx - SIM1 to SIM5 writeup, Microsoft Word version
• Program Writeup - Sim1 to Sim5 C documentation, Microsoft Word version
• Program Writeup - Sim1 to Sim5 C documentation, text version

SIM C Programs

• sim1.c - In-line data movement and arithmetic

The file extensions .sim1, .sim2, .sim3, and .sim4 are used to identify SIM machine
language programs designed to run on the corresponding SIM computer. The programs are:

SIM1 Programs

• addv1.sim1 - Computes 20+30
• addv2.sim1 - Computer 20+30 with assembly language and high level language comments
• addv3.sim1 - Initializes variables a and b and computes c = a + b
• addv4.sim1 - Same as addv3.sim1 with program relocated to different addresses.