MOS Technology 8563

The VDC was designed with office suite applications in mind. Shown here is SpeedScript 128, a word processor.

The 8563 Video Display Controller (VDC) was an integrated circuit produced by MOS Technology. It was used in the Commodore 128 (C128) computer to generate an 80-column (640 × 200 pixel) RGB video display, running alongside a VIC-II which supported Commodore 64-compatible graphics. The DCR models (as well as a few D-models) of the C128 used the later and more technically advanced 8568 [D]VDC controller.


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