phPISA is an online PISA simulator to help curious minds learn the concepts of reversible computing. The motivation behind this project is to encourage people to play with PISA and gain a better understanding of how a reversible computer works.
To jump right to the fun and play with phPISA, go here
My Report, "An Introduction to Reversible Computing Using PhPISA v1.0", is available here:
The source code (PHP and HTML) for phPISA is available here.
Here are some sample PISA Assembly Files