The TI-99/4 and TI-99/4A are home computers released by Texas Instruments in 1979 and 1981, respectively.[2] Based on the Texas Instruments TMS9900 microprocessor originally used in minicomputers, the TI-99/4 was the first 16-bit home computer,[3] and the associated video display controller provided color graphics and sprite support that was among the best of its era.