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X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 15 - topview - getbuf - get virtual screen info
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INT 15 - TopView - "GETBUF" - GET VIRTUAL SCREEN INFO
AX = 1024h
BX = segment of object handle for window
(0 = use default)
Return: ES:DI -> virtual screen
CX = size of virtual screen in bytes
DL = 00h text screen
01h graphics screen
SeeAlso: INT 10/AH=FEh
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