sweet, very basic raycaster
scalability improvements for svf_reader.py, though I think something is broken...
start working on a new svf_reader, though I think I need to change the approach entirely
Got a very basic vga thing working, though with some issues -- the blue doesn't seem to be working, and I seem to be missing one of the green bits
got the vga even more working, though I definitely think one of the pins is messed up