Short: Two dimensional turing machine simulator Author: Gary Teachout Architecture: m68k-amigaos Source: Fish collection A two dimensional turing machine simulator. Imagine a small bug crawling around on your computer display moving one pixel at a time. At each step it uses its internal state number and the color of the pixel it's on as indexes into a set of tables to decide what color to change the pixel to, what direction to move, and what its new internal state should be.