Int 10/AX=0580h

VIDEO - PCjr, Tandy 1000 - GET CRT/CPU PAGE REGISTERS

AX = 0580h

Return:
BH = CRT page register
BL = CPU page register

Notes: The CPU page determines which 16K block of the first 128K of physical memory will be mapped at B800h by the hardware. The CRT page determines the start address of the memory used by the video controller

See Also: AH=05h"SET CRT/CPU"

Category: Video - Int 10h - V

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