I've been following the Japanese early gaming scene, which had a lot of parallels to the west. They had NEC PCs running DOS, and there were a lot of games for t

I've been following the Japanese early gaming scene, which had a lot of parallels to the west. They had NEC PCs running DOS, and there were a lot of games for the systems. Some of them had smooth scrolling. Did they come later? Did they copy ID Software's approach?