INT 14 - Digiboard DigiCHANNEL PC/X* - WRITE STRING AH = 0Eh CX = number of characters to write ES:BX -> string DX = port number (00h-03h) (04h-43h for XAPCM232.SYS) Return: AX = number of characters actually written ZF clear if successful ZF set on error SeeAlso: AH=0Fh"Digiboard"