INT 14 - TelAPI - WRITE???
        AH = 07h
        CX = number of characters to write???
        DX = port number
        ES:DI -> buffer containing data???
Return: AX = number of characters actually sent??? (negative on error)
        CX = ???
Note:   under Novell TELAPI.EXE v4.01, this function and AH=06h are implemented
          with identical code
SeeAlso: AH=06h"TelAPI",AH=E0h"TelAPI"

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