High Quality Content by WIKIPEDIA articles! The ABC 80 (Advanced BASIC Computer 80) was a home computer engineered by the Swedish corporation Dataindustrier AB (DIAB) and manufactured by Luxor in Motala, Sweden in the late 1970s (first model August 1978) and early 1980s. It was based on the Zilog Z80 running at 3 MHz and had 16 kB RAM, expandable to 32 kB, and 16 kB ROM containing a fast semi-compiling BASIC interpreter.