... (with all of its cryptic syntax) and uses CP/M's GSX interface. Using this interface enables graphical output to either local screen or remote devices connected through a serial port (like Tektronix 4010 text-and-graphics terminal emulator running on PC).
Limitations:
- No colors, no shades of gray. Color 0 is blank, others are mapped to solid pixels.
- No READPIX function.
- PALETTE, SETPAL and SOUNDX are dummy.