Int 2F/AX=1401h

European MS-DOS 4.0 POPUP - PostPu - OPEN/CLOSE POPUP SCREEN

AX = 1401h
DL = function (00h open, 01h close)
DH = wait flag
00h block until screen opens
01h return error if screen is not available
02h urgent--always open screen immediately

Return:
CF clear if successful
BX = amount of memory needed to save screen and keyboard info,
0000h if default save location can be used (only if DH was 02h)
CF set on error

Note: The application using the screen is frozen until the popup screen is closed

See Also: AX=1400h"POPUP" - AX=1402h"POPUP" - AX=1403h"POPUP"

Category: DOS Kernel - Int 2Fh - E

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