Functions for semigraphics similar to ABC80 (setdot, clrdot, dot), TRS-80, TeleText, Text-TV, & Viewdata using 3x2 blocks, and ZX81 (plot, unplot) using 2x2 blocks.

A recreated program for the ABC80 from 1981, and the context of its being

Collection of information and documentation about the home computers of the 80s