Sharp X1
The X1 (エックスワン, Ekkusuwan), sometimes called the Sharp X1 or CZ-800C, is a series of home computers released by Sharp Corporation from 1982 to 1987. It is based on a Zilog Z80 CPU. The RGB display monitor for the X1 had a television tuner, and a computer screen could be superimposed on TV. All the TV functions could be controlled from a computer program.