A home video game console released by Bally in 1978, built around the Z80 chip. Zgrass was developed for it in Chicago.
The Zgrass was built on the hardware of the Bally Arcade, the same system Dave Nutting Associates used to develop several Bally/Midway games.
Copper Giloth, Jane Veeder on Loving Change
I was successful at using that joystick for drawing. And I did a piece called Skippy Peanut Butter Jars, and I wrote the software to do it, and it was painful.
Copper Giloth, 1980s Computer Art: Mark Wilson, David Em, Dan Sandin