Authors
Paul Donnelly
Publication
Pub Details
Syntax/Syntax ZX80 v4 n1
Volume:
4
Issue:
1
Date
January 1983
Pages
8
See all articles from Syntax/Syntax ZX80 v4 n1
Two Intel 8212 8-bit I/O port chips are the heart of the BB-1. Byte-Back’s module is compatible with both ZX and Timex units and neatly uses memory locations 32764 and 32766 to store input and output information.