INT 14 - SERIAL I/O - EXTENDED INITIALIZE (CONVERTIBLE,PS)
AH = 04h
AL = break status
00h if break
01h if no break
BH = parity
00h no parity
01h odd parity
02h even parity
03h stick parity odd
04h stick parity even
BL = number of stop bits
00h one stop bit
01h two stop bits (1.5 if 5 bit word length)
CH = word length
00h 5 bits
01h 6 bits
02h 7 bits
03h 8 bits
CL = bps rate
00h 110
01h 150
02h 300
03h 600
04h 1200
05h 2400
06h 4800
07h 9600
08h 19200
DX = port number
Return: AX = port status code (see AH=00h)
SeeAlso: AH=1Eh

See also: 1400

1404 - SERIAL I/O - EXTENDED INITIALIZE (CONVERTIBLE,PS)