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> I would use vector for the adress and data bus but not for the
> control signals although all three are needed in the bus. If
> designing with microcontrollers it is very common with a serial bus
> instead of a parallell bus, for example synchronous ser ial
> communication (SPI).

We can define our syntax as a comma-separated list of verilog vectors :-)

  netname=SDW,SDR,SC,CS

  netname=nCS,nWR,nRD,D[15:0],A[19:0]

etc