INT 10 - 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 SeeAlso: AH=05h"SET CRT/CPU"