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INT 2F - Multiplex - DOS 3+ internal - SET EXTENDED ERROR INFO
        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
SeeAlso: AX=122Dh,INT 21/AH=59h