From 01xz - Digital Logic and Computers
What's with the name?
The name 01xz.net is named after the four-state logic used by nets (and variables) in Verilog: 0, 1, x (unknown/don't-care), and z (high impedance). SystemVerilog added two-state (0 and 1) variables to the language, but nets are still always four-state.
Here are links to slightly more detailed About pages for each project:
I'm Henry Wong, a former lab teaching assistant for ECE253, 243, and 241 at the University of Toronto during my Ph.D. studies. These tools were created during my last few years as TA while pondering how to improve learning when the number of TA hours is finite.
What does this site run?
The back-end (compile, judge, progress tracking) is generally PHP calling shell scripts that run various CAD tools, with the results stored into a MariaDB database.