; ---------------------------------------------------------------------------
; utility macro - ds that counts total bytes
totalbytes := 0
dss macro length
    ds.ATTRIBUTE length
    if ATTRIBUTE=="b"
    totalbytes := totalbytes+1
    elseif ATTRIBUTE=="w"
    totalbytes := totalbytes+2
    elseif ATTRIBUTE=="l"
    totalbytes := totalbytes+4
    endif
    endm