X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 10 - video (topview)

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INT 10 - VIDEO (TopView) - GET VIDEO BUFFER
        AH = FEh
        ES:DI = segment:offset of assumed video buffer
Return: ES:DI = segment:offset of actual video buffer
Notes:  if no multitasker is installed, ES:DI is returned unchanged
        TopView requires a call to AH=FFh to notify if that the screen has
          changed; DESQview will check for changes itself until the first call
          to AH=FFh
SeeAlso: INT 15/AX=1024h, INT 21/AH=2Bh"DESQview"

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