UM8321 - CRT Video Attributtes Controller
The UM8321 Video Attributes Controller (VAC) is an n-channel MaS/LSI device containing graphics logic, attributes logic, data and attributes latches, cursor control and a high speed video shift register.
A character generator ROM and a CRT Video attributes controller UM8321 provide all of the major
UM8321 Features
* On chip attributes logic Reverse video Character blank Character blink Underline Full/half intensity
* Four modes of operation Wide graphics Thin graphics Character mode without underline Character mode with underline
* On Chip logic for double height double width character
