from migen.fhdl.structure import * from migen.fhdl import verilog dx = 5 dy = 5 x = Signal(BV(bits_for(dx-1))) y = Signal(BV(bits_for(dy-1))) out = Signal() my_2d_array = Array(Array(Signal() for a in range(dx)) for b in range(dy)) comb = [ out.eq(my_2d_array[x][y]) ] we = Signal() inp = Signal() sync = [ If(we, my_2d_array[x][y].eq(inp) ) ] f = Fragment(comb, sync) print(verilog.convert(f))