Int 14/AH=83h

AH = 83h DX = port number AL = subfunction 00h flush input buffer 01h flush output buffer 02h flush both buffers

Return:
AH bit 7 set on error AH bit 7 clear if successful

See Also: AH=81h"COMM-DRV" - AH=84h"COMM-DRV"

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