The TI-99/4 and TI-99/4A are home computers released by Texas Instruments in 1979 and 1981, respectively. Based on Texas Instruments's own TMS9900 microprocessor
systems (BBS) for the TI-99/4A home computer. Technology writer Ron Albright wrote of several BBS applications written for the TI-99/4A in the March 1985
TI Invaders is a fixed shooter video game published by Texas Instruments in 1981 for the TI-99/4A home computer. The game is a Space Invaders clone where
1982, TI was dominating the U.S. home computer market, shipping 5,000 computers a day from their factory in Lubbock. It discontinued the TI-99/4A (1981)