Int 14 Fn 12 - PC-mos/386 V5.01 $serial.sys V5.04 - Get Current Port Par [S] AH = 12h DX = port number Return: AH = status FFh port number invalid AL = line parameters (see AH=00h) AH = flow control configuration (see AH=05h"PC-MOS") CX:BX = bps rate DL = XOFF character or 00h for none DH = XON character or 00h for none