Int 2F Fn 1222  U - DOS 3+ Internal - Set Extended Error Info              [D]

   AX = 1222h
   SS = DOS data segment
   SS:SI -> 4-byte records
       BYTE    error code, FFh = last record
       BYTE    error class, FFh = don't change
       BYTE    suggested action, FFh = don't change
       BYTE    error locus, FFh = don't change
   SDA error code set

Return: SI destroyed
   SDA error class, error locus, and suggested action fields set

Note:  can be called only from within DOS

See Also: AX=122Dh,INT 21/AH=59h,INT 21/AX=5D0Ah