Int 14/AH=07h

AH = 07h

Return:
CL = modem status (see #00305)
CH = character at head of input queue (if any)
DX = number of characters in input queue

Note: The port number is stored at offset BEh in the Task Control Block

See Also: AH=03h - AH=05h"MultiDOS" - AH=08h"MultiDOS" -

See Also: AH=23h"MultiDOS" - INT 15/AH=13h"MultiDOS"

Category: Serial I/O - Int 14h - M