Category: serial I/O
INT 14 - SERIAL - EXTENDED INITIALIZE (CONVERTIBLE,PS) AH = 04h AL = break status 00h if break 01h if no break BH = parity (see #00307) BL = number of stop bits 00h one stop bit 01h two stop bits (1.5 if 5 bit word length) CH = word length (see #00308) CL = bps rate (see #00309) DX = port number Return: AX = port status code (see #00304,#00305) SeeAlso: AH=00h,AH=1Eh,AX=8000h"ARTICOM"