INT E0 - DR Multiuser DOS - "A_WRITE" - WRITE CHARACTER TO DEFAULT AUX DEVICE CL = 04h DL = BYTE to write Return: nothing may destroy SI,DI,DH??? Note: if another process owns AUX, this call blocks until the device becomes available SeeAlso: INT 21/AH=04h,INT E0/CL=03h,INT E0/CL=08h,INT E0/CL=A5h,INT E0/CL=ADh