109 lines
3.7 KiB
VHDL
109 lines
3.7 KiB
VHDL
-- include libraries
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-- standard stuff
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library IEEE;
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USE ieee.std_logic_1164.all;
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use ieee.std_logic_arith.all;
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use ieee.std_logic_unsigned.all;
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PACKAGE PromPkg IS
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END PromPkg;
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PACKAGE BODY PromPkg IS
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END PromPkg;
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library IEEE;
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USE ieee.std_logic_1164.all;
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use ieee.std_logic_arith.all;
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use ieee.std_logic_unsigned.all;
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entity Prom is
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GENERIC(
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addr_width : integer := 128; -- store 128 elements (512 bytes)
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addr_bits : integer := 7; -- required bits to store 128 elements
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data_width : integer := 32 -- each element has 32-bits
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);
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PORT(
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addr : IN std_logic_vector(addr_bits-1 downto 0);
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data : OUT std_logic_vector(data_width-1 downto 0)
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);
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end Prom;
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architecture arch of Prom is
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type rom_type is array (0 to addr_width-1) of std_logic_vector(data_width-1 downto 0);
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signal Prom_ROM : rom_type := (
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-- copy/paste the ROM content here --
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"11110001000010000100001101110100", -- 1
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"00000000000000000000000100000110", -- 2
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"00010010000011010101001001000100", -- 3
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"01001111010011000010110001010011", -- 4
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"01000010011101010111001101000110", -- 5
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"01010000010001110100000100000010", -- 6
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"00000001000000010000001000010000", -- 7
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"00000000000000000000001000000000", -- 8
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"00011110000000010000001100010000", -- 9
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"00000000000000000000000100000000", -- 10
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"00000001000101100001000000000000", -- 11
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"00000000000000000111111100000001", -- 12
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"00010001000100100001000101110011", -- 13
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"01101100011000010111011001100101", -- 14
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"00101101011000100111010101110010", -- 15
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"01110011011101000010110101110011", -- 16
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"01101001011110100110010101110011", -- 17
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"00000001000100001010010011000000", -- 18
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"11001010000010000110110001100101", -- 19
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"01100100001011010111011001101001", -- 20
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"01110010011101000000100000000000", -- 21
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"10111000000000010000001011001010", -- 22
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"00001111011011010111100100101101", -- 23
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"01110011011000100111010101110011", -- 24
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"00101101011000010110010001100100", -- 25
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"01110010011001010111001101110011", -- 26
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"00001000000000011011101000000001", -- 27
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"00000011110010100000110101101101", -- 28
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"01111001001011010111001101100010", -- 29
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"01110101011100110010110101110011", -- 30
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"01110000011000010110001101100101", -- 31
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"00001000000000101011101011001010", -- 32
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"00000110011011010110000101110000", -- 33
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"00101101011010010110111000001000", -- 34
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"00000011101101110001001000000110", -- 35
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"01101101011000010111000000101101", -- 36
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"01101001011011100000001000001001", -- 37
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"11000010110010100000011101101101", -- 38
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"01100001011100000010110101101111", -- 39
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"01110101011101000000100000000100", -- 40
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"10110111000100100000011101101101", -- 41
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"01100001011100000010110101101111", -- 42
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"01110101011101000000001000001001", -- 43
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"11000010110010100000101001101101", -- 44
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"01100001011100000010110101101001", -- 45
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"01101110001011010110110001100101", -- 46
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"01100100000010000000010110110111", -- 47
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"00001000000000010001000000000000", -- 48
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"00000000000000100000000000011110", -- 49
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"00001000000000100001000000000000", -- 50
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"00000000000000000000010000001000", -- 51
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"00000011110000110000100000000000", -- 52
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"11000010110010100000101101101101", -- 53
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"01100001011100000010110101101111", -- 54
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"01110101011101000010110101101100", -- 55
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"01100101011001000000100000000110", -- 56
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"10110111000010000000000000010000", -- 57
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"00000000000000000000000000000100", -- 58
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"00001000000001001100001011001010", -- 59
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"00000110011000100110110001101001", -- 60
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"01101110011010110010000100001000", -- 61
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"00000111101101110000100000000101", -- 62
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"00001000000000000111001100001000", -- 63
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"00000110110000100001000000010010", -- 64
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"01001000100001000010000100001000", -- 65
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"00000111000000000000000000000000", -- 66
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-- ROM then filled with zero
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others => (others => '0'));
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begin
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data <= Prom_ROM(conv_integer(unsigned(addr)));
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end arch;
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