ocr: THE 8564 VIDEO INTERFACE CHIP FOLD OUT SCHEMATIC SHEET 3, PAGE 75, FOR EASY REFERENCE. The 8564 VIC chip used in the C128 is an updated version of the VIC chip used in current C64 systems. It contains all of the video capabilities of the earlier 6567 VIC chip, including high resolution bit mapped graphics and movable image blocks. It also supports new teatures used by the C128 system, including extended keyboard scanning. its register map is upward compatible with the old VIC, allowing compatibility in C64 mode. It is powered by a single 5V DC source, instead of the two sources re- quired by t ...
