ZRC512 is a faster and hobbyist-friendly variant of ZRC. It is designed specifically for ROM-less RomWBW. Description of ZRC512 online here.
Place holder
ZRC512 Monitor, rev0.3
ROM-less RomWBW for ZRC512
CF disk image of ZRC512 monitor and RomWBW. Unzip this file and use Win32DiskImagers to copy the image to 64meg or larger CF disk
ZRC512 addition to RomWBW source. Future update of RomWBW should include these files. This zip file includes a command file “BuildZRC512.cmd” and a directory “ZRC512” that go into RomWBW\Source directory.
Driving WS2812 NeoPixel LED. The linked page describe the operation for bit-bang WS2812 LED. A demo program included.
Disk image of ZRC512 + VGARC to support standalone computer with monochrome text VGA display and PS2 keyboard.
Discussion about ZRC512 on Google forum. There were informative discussions about different flavors of WS2812D starting from Dec 19 2023.