clash-lib-1.10.0: prims/vhdl/Clash_Explicit_ROM_Blob.primitives.yaml

- BlackBox:
    name: Clash.Explicit.ROM.Blob.romBlob#
    kind: Declaration
    outputUsage: NonBlocking
    type: |-
      romBlob#
        :: KnownDomain dom  --       ARG[0]
        => Clock dom        -- clk,  ARG[1]
        -> Enable dom       -- en,   ARG[2]
        -> MemBlob n m      -- init, ARG[3]
        -> Signal dom Int   -- rd,   ARG[4]
        -> Signal dom (BitVector m)
    template: |-
      -- romBlob begin
      ~GENSYM[~COMPNAME_rom][1] : block
        signal ~GENSYM[ROM][2] : ~TYP[3];
        signal ~GENSYM[rd][3]  : integer range 0 to ~LENGTH[~TYP[3]]-1;
      begin
        ~SYM[2] <= ~CONST[3];

        ~SYM[3] <= to_integer(~VAR[rdI][4](31 downto 0))
        -- pragma translate_off
                      mod ~LENGTH[~TYP[3]]
        -- pragma translate_on
                      ;
        ~GENSYM[romSync][6] : process (~ARG[1])
        begin
          if (~IF~ACTIVEEDGE[Rising][0]~THENrising_edge~ELSEfalling_edge~FI(~ARG[1])~IF~ISACTIVEENABLE[2]~THEN and ~ARG[2]~ELSE~FI) then
            ~RESULT <= ~SYM[2](~SYM[3]);
          end if;
        end process;
      end block;
      -- romBlob end