macro redesign_macro [param] {
        common
        macro param
}
macro fix redesign_macro     

1 passes, 0 bytes.    

macro ....
        macro redesign_macro [param] \{
                \common
                macro param
        \}
}    

macro hb hash {
        local   ..hash,..length
        virtual at 0
            ..hash:: db `hash
            ..length = $/2
        end virtual
        while % <= ..length
                load b_1 byte from ..hash: (%-1)*2
                load b_2 byte from ..hash: (%-1)*2+1
                if b_1 > '9'
                        b_1 = b_1 - 'A' + 10
                else
                        b_1 = b_1 - '0'
                end if
                if b_2 > '9'
                        b_2 = b_2 - 'A' + 10
                else
                        b_2 = b_2 - '0'
                end if
                db b_1 shl 4 + b_2
        end while
}    

    hb 204850204663206042616E6431602048