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AH = 19h BL = flag 00h disable special character interrupt FFh enable interrupt DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
Return:
AH = status 00h successful FFh failed
See Also: AH=1Ah"Digiboard"
Category: Serial I/O - Int 14h - D
Interrups | Categories | Contents |