Int 21/AH=A4h

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Attachmate Extra! - GET HOST WINDOW BUFFER ADDRESS

AH = A4h
AL = window number (1-4=host B-E)

Return:
DS:BX -> 3270 display buffer

See Also: AH=A5h - AH=B8h

Category: IBM Workstation/Terminal Emulators - Int 21h - A

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