This is based on the Little Man Computer by Dr. Stuart Madnick as described on wikipedia. It is a simple computer that can be programmed using either assembly language or by directly editing the values in the RAM boxes.
Built in demo program, press Assemble then Run to see how the LMC works!
See your program run one instruction at a time using the Step button.
Export the R.A.M. contents as a CSV file to load into Excel.
Free!
This program now requires .NET 9.0 (32bit), you will get a prompt telling you how to get it if you do not have it installed.
Download Little Man Computer (64KB .Zip)
Version 0.5i (06/08/2025)