VZ200/VZ300 Wolfenstein 3D

Wolfenstein 3D comes to the VZ.  Well..... kind of.
Very very rough workings of ray casting 3D environment for the VZ & Laser computers. In lores 64x32 text semi-graphics and hires 128x64 modes.

VZ200 6k : no sound and no intro screen.
VZ200+16k RAM expansion /VZ300 version:  with intro sound and intro screen.

Includes: .VZ snapshot and for emulators and .WAV file for loading into real hardware.

VZEM emulator by Guy Thomason was used for all testing. Is recommended.