Int 2F/AX=1400h

European MS-DOS 4.0 POPUP - CheckPu - INSTALLATION CHECK

AX = 1400h

Return:
AX = FFFFh if installed BX = maximum memory required to save screen and keyboard info CF clear if successful CF set on error AX = error code 0002h invalid function 0004h unknown error

Note: The POPUP interface is used by background programs (see INT 21/AH=80h) to communicate with the user

See Also: AX=1401h"POPUP" - AX=1402h"POPUP" - AX=1403h"POPUP"

Category: DOS Kernel - Int 2Fh - E

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