INT 61 - Banyan VINES - ASYNC TERMINAL EMULATION - "FLOW CONTROL DATA" AX = 0003h subfn 03h DS:BX -> argument block (see #03377) Return: AX = status (see #03369) Desc: this function permits the caller to freeze/unfreeze the display and the ring buffer SeeAlso: AX=0003h/SF=02h,AX=0003h/SF=06h