In reply to cgales:
Sorry…
It’s actually not working with `define
`define BUS_8 {i_xyz.\signal_a[0][7] ,
i_xyz.\signal_a[0][6] ,
i_xyz.\signal_a[0][5] ,
i_xyz.\signal_a[0][4] ,
i_xyz.\signal_a[0][3] ,
i_xyz.\signal_a[0][2] ,
i_xyz.\signal_a[0][1] ,
i_xyz.\signal_a[0][0] ,
}