clash-lib-1.2.0: prims/vhdl/Clash_Explicit_ROM.json

[ { "BlackBox" :
    { "name" : "Clash.Explicit.ROM.rom#"
    , "kind" : "Declaration"
    , "type" :
"rom# :: ( KnownDomain dom        ARG[0]
         , KnownNat n    --       ARG[1]
         , Undefined a ) --       ARG[2]
      => Clock dom       -- clk,  ARG[3]
      -> Enable dom      -- en,   ARG[4]
      -> Vec n a         -- init, ARG[5]
      -> Signal dom Int  -- rd,   ARG[6]
      -> Signal dom a"
    , "template" :
"-- rom begin
~GENSYM[~COMPNAME_rom][1] : block
  signal ~GENSYM[ROM][2] : ~TYP[5];
  signal ~GENSYM[rd][3]  : integer range 0 to ~LIT[1]-1;
begin
  ~SYM[2] <= ~LIT[5];

  ~SYM[3] <= to_integer(~ARG[6])
  -- pragma translate_off
                mod ~LIT[1]
  -- pragma translate_on
                ;
  ~GENSYM[romSync][6] : process (~ARG[3])
  begin
    if (~IF~ACTIVEEDGE[Rising][0]~THENrising_edge~ELSEfalling_edge~FI(~ARG[3])~IF ~ISACTIVEENABLE[4] ~THEN and ~ARG[4] ~ELSE ~FI) then~IF ~VIVADO ~THEN
      ~RESULT <= ~FROMBV[~SYM[2](~SYM[3])][~TYPO];~ELSE
      ~RESULT <= ~SYM[2](~SYM[3]);~FI
    end if;
  end process;
end block;
-- rom end"
    }
  }
]