INT 61 - Banyan VINES - ASYNC TERMINAL EMULATION - REFRESH EMULATION SCREEN
        AX = 0003h subfn 09h
        DS:BX -> argument block (see below)
Return: AX = status (see AX=0003h/SF=00h)
SeeAlso: AX=0003h/SF=00h,AX=0003h/SF=0Bh

Format of argument block:
Offset  Size    Description
 00h    BYTE    session ID (00h)
 01h    BYTE    09h (function "refresh emulation screen")

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