list_ch13_01_font_rom.vhd

VHDL FFT SOURCECODE great one

   "00011000", -- 2    **
   "00000000", -- 3
   "00000000", -- 4
   "00000000", -- 5
   "00000000", -- 6
   "00000000", -- 7
   "00000000", -- 8
   "00000000", -- 9
   "00000000", -- a
   "00000000", -- b
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x61
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01111000", -- 5  ****
   "00001100", -- 6     **
   "01111100", -- 7  *****
   "11001100", -- 8 **  **
   "11001100", -- 9 **  **
   "11001100", -- a **  **
   "01110110", -- b  *** **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x62
   "00000000", -- 0
   "00000000", -- 1
   "11100000", -- 2  ***
   "01100000", -- 3   **
   "01100000", -- 4   **
   "01111000", -- 5   ****
   "01101100", -- 6   ** **
   "01100110", -- 7   **  **
   "01100110", -- 8   **  **
   "01100110", -- 9   **  **
   "01100110", -- a   **  **
   "01111100", -- b   *****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x63
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01111100", -- 5  *****
   "11000110", -- 6 **   **
   "11000000", -- 7 **
   "11000000", -- 8 **
   "11000000", -- 9 **
   "11000110", -- a **   **
   "01111100", -- b  *****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x64
   "00000000", -- 0
   "00000000", -- 1
   "00011100", -- 2    ***
   "00001100", -- 3     **
   "00001100", -- 4     **
   "00111100", -- 5   ****
   "01101100", -- 6  ** **
   "11001100", -- 7 **  **
   "11001100", -- 8 **  **
   "11001100", -- 9 **  **
   "11001100", -- a **  **
   "01110110", -- b  *** **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x65
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01111100", -- 5  *****
   "11000110", -- 6 **   **
   "11111110", -- 7 *******
   "11000000", -- 8 **
   "11000000", -- 9 **
   "11000110", -- a **   **
   "01111100", -- b  *****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x66
   "00000000", -- 0
   "00000000", -- 1
   "00111000", -- 2   ***
   "01101100", -- 3  ** **
   "01100100", -- 4  **  *
   "01100000", -- 5  **
   "11110000", -- 6 ****
   "01100000", -- 7  **
   "01100000", -- 8  **
   "01100000", -- 9  **
   "01100000", -- a  **
   "11110000", -- b ****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x67
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01110110", -- 5  *** **
   "11001100", -- 6 **  **
   "11001100", -- 7 **  **
   "11001100", -- 8 **  **
   "11001100", -- 9 **  **
   "11001100", -- a **  **
   "01111100", -- b  *****
   "00001100", -- c     **
   "11001100", -- d **  **
   "01111000", -- e  ****
   "00000000", -- f
   -- code x68
   "00000000", -- 0
   "00000000", -- 1
   "11100000", -- 2 ***
   "01100000", -- 3  **
   "01100000", -- 4  **
   "01101100", -- 5  ** **
   "01110110", -- 6  *** **
   "01100110", -- 7  **  **
   "01100110", -- 8  **  **
   "01100110", -- 9  **  **
   "01100110", -- a  **  **
   "11100110", -- b ***  **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x69
   "00000000", -- 0
   "00000000", -- 1
   "00011000", -- 2    **
   "00011000", -- 3    **
   "00000000", -- 4
   "00111000", -- 5   ***
   "00011000", -- 6    **
   "00011000", -- 7    **
   "00011000", -- 8    **
   "00011000", -- 9    **
   "00011000", -- a    **
   "00111100", -- b   ****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x6a
   "00000000", -- 0
   "00000000", -- 1
   "00000110", -- 2      **
   "00000110", -- 3      **
   "00000000", -- 4
   "00001110", -- 5     ***
   "00000110", -- 6      **
   "00000110", -- 7      **
   "00000110", -- 8      **
   "00000110", -- 9      **
   "00000110", -- a      **
   "00000110", -- b      **
   "01100110", -- c  **  **
   "01100110", -- d  **  **
   "00111100", -- e   ****
   "00000000", -- f
   -- code x6b
   "00000000", -- 0
   "00000000", -- 1
   "11100000", -- 2 ***
   "01100000", -- 3  **
   "01100000", -- 4  **
   "01100110", -- 5  **  **
   "01101100", -- 6  ** **
   "01111000", -- 7  ****
   "01111000", -- 8  ****
   "01101100", -- 9  ** **
   "01100110", -- a  **  **
   "11100110", -- b ***  **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x6c
   "00000000", -- 0
   "00000000", -- 1
   "00111000", -- 2   ***
   "00011000", -- 3    **
   "00011000", -- 4    **
   "00011000", -- 5    **
   "00011000", -- 6    **
   "00011000", -- 7    **
   "00011000", -- 8    **
   "00011000", -- 9    **
   "00011000", -- a    **
   "00111100", -- b   ****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x6d
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11100110", -- 5 ***  **
   "11111111", -- 6 ********
   "11011011", -- 7 ** ** **
   "11011011", -- 8 ** ** **
   "11011011", -- 9 ** ** **
   "11011011", -- a ** ** **
   "11011011", -- b ** ** **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x6e
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11011100", -- 5 ** ***
   "01100110", -- 6  **  **
   "01100110", -- 7  **  **
   "01100110", -- 8  **  **
   "01100110", -- 9  **  **
   "01100110", -- a  **  **
   "01100110", -- b  **  **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x6f
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01111100", -- 5  *****
   "11000110", -- 6 **   **
   "11000110", -- 7 **   **
   "11000110", -- 8 **   **
   "11000110", -- 9 **   **
   "11000110", -- a **   **
   "01111100", -- b  *****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x70
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11011100", -- 5 ** ***
   "01100110", -- 6  **  **
   "01100110", -- 7  **  **
   "01100110", -- 8  **  **
   "01100110", -- 9  **  **
   "01100110", -- a  **  **
   "01111100", -- b  *****
   "01100000", -- c  **
   "01100000", -- d  **
   "11110000", -- e ****
   "00000000", -- f
   -- code x71
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01110110", -- 5  *** **
   "11001100", -- 6 **  **
   "11001100", -- 7 **  **
   "11001100", -- 8 **  **
   "11001100", -- 9 **  **
   "11001100", -- a **  **
   "01111100", -- b  *****
   "00001100", -- c     **
   "00001100", -- d     **
   "00011110", -- e    ****
   "00000000", -- f
   -- code x72
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11011100", -- 5 ** ***
   "01110110", -- 6  *** **
   "01100110", -- 7  **  **
   "01100000", -- 8  **
   "01100000", -- 9  **
   "01100000", -- a  **
   "11110000", -- b ****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x73
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "01111100", -- 5  *****
   "11000110", -- 6 **   **
   "01100000", -- 7  **
   "00111000", -- 8   ***
   "00001100", -- 9     **
   "11000110", -- a **   **
   "01111100", -- b  *****
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x74
   "00000000", -- 0
   "00000000", -- 1
   "00010000", -- 2    *
   "00110000", -- 3   **
   "00110000", -- 4   **
   "11111100", -- 5 ******
   "00110000", -- 6   **
   "00110000", -- 7   **
   "00110000", -- 8   **
   "00110000", -- 9   **
   "00110110", -- a   ** **
   "00011100", -- b    ***
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x75
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11001100", -- 5 **  **
   "11001100", -- 6 **  **
   "11001100", -- 7 **  **
   "11001100", -- 8 **  **
   "11001100", -- 9 **  **
   "11001100", -- a **  **
   "01110110", -- b  *** **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x76
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11000011", -- 5 **    **
   "11000011", -- 6 **    **
   "11000011", -- 7 **    **
   "11000011", -- 8 **    **
   "01100110", -- 9  **  **
   "00111100", -- a   ****
   "00011000", -- b    **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x77
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11000011", -- 5 **    **
   "11000011", -- 6 **    **
   "11000011", -- 7 **    **
   "11011011", -- 8 ** ** **
   "11011011", -- 9 ** ** **
   "11111111", -- a ********
   "01100110", -- b  **  **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x78
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11000011", -- 5 **    **
   "01100110", -- 6  **  **
   "00111100", -- 7   ****
   "00011000", -- 8    **
   "00111100", -- 9   ****
   "01100110", -- a  **  **
   "11000011", -- b **    **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x79
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11000110", -- 5 **   **
   "11000110", -- 6 **   **
   "11000110", -- 7 **   **
   "11000110", -- 8 **   **
   "11000110", -- 9 **   **
   "11000110", -- a **   **
   "01111110", -- b  ******
   "00000110", -- c      **
   "00001100", -- d     **
   "11111000", -- e *****
   "00000000", -- f
   -- code x7a
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00000000", -- 4
   "11111110", -- 5 *******
   "11001100", -- 6 **  **
   "00011000", -- 7    **
   "00110000", -- 8   **
   "01100000", -- 9  **
   "11000110", -- a **   **
   "11111110", -- b *******
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x7b
   "00000000", -- 0
   "00000000", -- 1
   "00001110", -- 2     ***
   "00011000", -- 3    **
   "00011000", -- 4    **
   "00011000", -- 5    **
   "01110000", -- 6  ***
   "00011000", -- 7    **
   "00011000", -- 8    **
   "00011000", -- 9    **
   "00011000", -- a    **
   "00001110", -- b     ***
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x7c
   "00000000", -- 0
   "00000000", -- 1
   "00011000", -- 2    **
   "00011000", -- 3    **
   "00011000", -- 4    **
   "00011000", -- 5    **
   "00000000", -- 6
   "00011000", -- 7    **
   "00011000", -- 8    **
   "00011000", -- 9    **
   "00011000", -- a    **
   "00011000", -- b    **
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x7d
   "00000000", -- 0
   "00000000", -- 1
   "01110000", -- 2  ***
   "00011000", -- 3    **
   "00011000", -- 4    **
   "00011000", -- 5    **
   "00001110", -- 6     ***
   "00011000", -- 7    **
   "00011000", -- 8    **
   "00011000", -- 9    **
   "00011000", -- a    **
   "01110000", -- b  ***
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x7e
   "00000000", -- 0
   "00000000", -- 1
   "01110110", -- 2  *** **
   "11011100", -- 3 ** ***
   "00000000", -- 4
   "00000000", -- 5
   "00000000", -- 6
   "00000000", -- 7
   "00000000", -- 8
   "00000000", -- 9
   "00000000", -- a
   "00000000", -- b
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000", -- f
   -- code x7f
   "00000000", -- 0
   "00000000", -- 1
   "00000000", -- 2
   "00000000", -- 3
   "00010000", -- 4    *
   "00111000", -- 5   ***
   "01101100", -- 6  ** **
   "11000110", -- 7 **   **
   "11000110", -- 8 **   **
   "11000110", -- 9 **   **
   "11111110", -- a *******
   "00000000", -- b
   "00000000", -- c
   "00000000", -- d
   "00000000", -- e
   "00000000"  -- f
   );
begin
   -- addr register to infer block RAM
   process (clk)
   begin
      if (clk'event and clk = '1') then
        addr_reg <= addr;
      end if;
   end process;
   data <= ROM(to_integer(unsigned(addr_reg)));
end arch;