Editing Bally Astrocade (section)

== ZGRASS ==
The ZGRASS unit sat under the Astrocade and turned it into a "real" computer, including a full keyboard, a math [[co-processor]] ([[floating point unit|FPU]]), 32k of RAM, and a new 32k ROM containing the [[GRASS (programming language)|GRASS programming language]] (sometimes referred to as '''GRAFIX''' on this machine).<ref name="Stern">{{cite magazine |last=Stern |first=Marc |date=April 1982 |title=Bally Arcade |url=https://archive.org/details/radio_electronics_1982-04/page/n50 |magazine=Radio-Electronics |publisher=[[Gernsback Publications]] |location=New York, NY |volume=53 |issue=4 |page=53 |issn=0033-7862 |via=[[Internet Archive]]}}</ref>  The unit also added I/O ports for a cassette and [[floppy disk]], allowing it to be used with [[CP/M]].