INT 2C PU - Cloaking - UNTRAP I/O PORTIBM PC Portable (uses same BIOS as XT) AX = 002Fh DX = port number for which to cancel trapping Return: CF clear if successful CF set on error (port out of range or reserved) Note: this function was first introduced with RM386 (RAM-MAN/386) v6.00 SeeAlso: AX=002Eh,AX=0030h