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CHARMAP.vhd
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-- VHDL implementation of RISC-V-ISA
-- Copyright (C) 2016 Chair of Computer Architecture
-- at Technical University of Munich
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
entity CHARMAP is
Port ( addr : in STD_LOGIC_vector( 7 downto 0);
clk : in STD_LOGIC;
data : out STD_LOGIC_vector (63 downto 0)
);
end CHARMAP;
architecture Behavioral of CHARMAP is
type mem_t is array (0 to 255) of std_logic_vector(63 downto 0); -- 256 cells with 64 bit
signal cells : mem_t:= (
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"& --Empty
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--!
"00011000"&
"00011000"&
"00011000"&
"00011000"&
"00000000"&
"00011000"&
"00000000",
"00000000"&--"
"01100110"&
"01000100"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--#
"00000000"&
"00010100"&
"01111110"&
"00010100"&
"01111110"&
"00101000"&
"00000000",
"00000000"&--$
"00111110"&
"01010000"&
"00111100"&
"00010010"&
"01111100"&
"00010000"&
"00000000",
"00000000"&--%
"01110010"&
"01010100"&
"01111000"&
"00011110"&
"00101010"&
"01001110"&
"00000000",
"00000000"&--&
"01111100"&
"01000000"&
"00100100"&
"00111000"&
"01001000"&
"00110100"&
"00000000",
"00000000"&--'
"00011000"&
"00010000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--(
"00011000"&
"00110000"&
"00100000"&
"00100000"&
"00110000"&
"00011000"&
"00000000",
"00000000"&--)
"00011000"&
"00001100"&
"00000100"&
"00000100"&
"00001100"&
"00011000"&
"00000000",
"00000000"&--*
"00101010"&
"00011100"&
"00100010"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--+
"00000000"&
"00011000"&
"00011000"&
"01111110"&
"00011000"&
"00011000"&
"00000000",
"00000000"&--´
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00011000"&
"00010000"&
"00000000",
"00000000"&---
"00000000"&
"00000000"&
"00000000"&
"01111110"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--.
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00011000"&
"00011000"&
"00000000",
"00000000"&--/
"00000010"&
"00000100"&
"00001000"&
"00010000"&
"00100000"&
"01000000"&
"00000000",
"00000000"&--0
"00111100"&
"01100110"&
"01101110"&
"01110110"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--1
"00011000"&
"00111000"&
"00011000"&
"00011000"&
"00011000"&
"00111100"&
"00000000",
"00000000"&--2
"00111100"&
"01100110"&
"00000110"&
"00111100"&
"01100000"&
"01111110"&
"00000000",
"00000000"&--3
"00111100"&
"00000110"&
"00011100"&
"00000110"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--4
"00001100"&
"00011100"&
"00111100"&
"01101100"&
"01111110"&
"00001100"&
"00000000",
"00000000"&--5
"01111100"&
"01100000"&
"01111100"&
"00000110"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--6
"00111100"&
"01100000"&
"01111100"&
"01100110"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--7
"01111110"&
"01100110"&
"00000110"&
"00001100"&
"00011000"&
"00011000"&
"00000000",
"00000000"&--8
"00111100"&
"01100110"&
"00111100"&
"01100110"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--9
"00111100"&
"01100110"&
"01100110"&
"00111110"&
"00000110"&
"00111100"&
"00000000",
"00000000"&--:
"00000000"&
"00011000"&
"00011000"&
"00000000"&
"00011000"&
"00011000"&
"00000000",
"00000000"&--;
"00000000"&
"00011000"&
"00011000"&
"00000000"&
"00011000"&
"00110000"&
"00000000",
"00000000"&--<
"00000000"&
"00001100"&
"00010000"&
"00100000"&
"00010000"&
"00001100"&
"00000000",
"00000000"&--=
"00000000"&
"00000000"&
"01111110"&
"00000000"&
"01111110"&
"00000000"&
"00000000",
"00000000"&-->
"00000000"&
"01100000"&
"00010000"&
"00001000"&
"00010000"&
"01100000"&
"00000000",
"00000000"&--?
"01111100"&
"00000110"&
"00000110"&
"00011100"&
"00000000"&
"00011000"&
"00000000",
"00000000"&--@
"01111110"&
"01000010"&
"01011110"&
"01011110"&
"01000000"&
"01111110"&
"00000000",
"00000000"& --A
"00111100"&
"01100110"&
"01100110"&
"01111110"&
"01100110"&
"01100110"&
"00000000",
"00000000"& --B
"01111100"&
"01100110"&
"01111100"&
"01100110"&
"01100110"&
"01111100"&
"00000000",
"00000000"& --C
"00111100"&
"01100110"&
"01100000"&
"01100000"&
"01100110"&
"00111100"&
"00000000",
"00000000"& --D
"01111100"&
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"01111100"&
"00000000",
"00000000"& --E
"01111110"&
"01100000"&
"01111100"&
"01000000"&
"01000000"&
"01111110"&
"00000000",
"00000000"& --F
"01111110"&
"01100000"&
"01100000"&
"01111100"&
"01100000"&
"01100000"&
"00000000",
"00000000"& --G
"00111100"&
"01100110"&
"01100000"&
"01101110"&
"01100110"&
"00111110"&
"00000000",
"00000000"& --H
"01100110"&
"01100110"&
"01111110"&
"01100110"&
"01100110"&
"01100110"&
"00000000",
"00000000"& --I
"00111100"&
"00011000"&
"00011000"&
"00011000"&
"00011000"&
"00111100"&
"00000000",
"00000000"& --J
"00001110"&
"00000110"&
"00000110"&
"00000110"&
"01100110"&
"00111100"&
"00000000",
"00000000"& --K
"01100110"&
"01101100"&
"01111000"&
"01111000"&
"01101100"&
"01100110"&
"00000000",
"00000000"& --L
"01100000"&
"01100000"&
"01100000"&
"01100000"&
"01100000"&
"01111110"&
"00000000",
"00000000"& --M
"01100010"&
"01110110"&
"01111110"&
"01101010"&
"01100010"&
"01100010"&
"00000000",
"00000000"& --N
"01100010"&
"01110010"&
"01111010"&
"01101110"&
"01100110"&
"01100010"&
"00000000",
"00000000"& --O
"00111100"&
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"00111100"&
"00000000",
"00000000"& --P
"01111100"&
"01100110"&
"01100110"&
"01111100"&
"01100000"&
"01100000"&
"00000000",
"00000000"& --Q
"00111110"&
"01100110"&
"01100110"&
"01101110"&
"01100100"&
"00111010"&
"00000000",
"00000000"& --R
"01111100"&
"01100110"&
"01100110"&
"01111100"&
"01100110"&
"01100110"&
"00000000",
"00000000"& --S
"00111110"&
"01100000"&
"00111100"&
"00000110"&
"01100110"&
"00111100"&
"00000000",
"00000000"& --T
"01111110"&
"00011000"&
"00011000"&
"00011000"&
"00011000"&
"00011000"&
"00000000",
"00000000"& --U
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"00111100"&
"00000000",
"00000000"& --V
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"00111100"&
"00011000"&
"00000000",
"00000000"&--W
"01100010"&
"01100010"&
"01101010"&
"01111110"&
"01110110"&
"01100010"&
"00000000",
"00000000"&--X
"01100110"&
"01100110"&
"00111100"&
"00111100"&
"01100110"&
"01100110"&
"00000000",
"00000000"&--Y
"01100110"&
"01100110"&
"01100110"&
"00111100"&
"00011000"&
"00011000"&
"00000000",
"00000000"&--Z
"01111110"&
"00001110"&
"00011100"&
"00111000"&
"01110000"&
"01111110"&
"00000000",
"00000000"&--[
"00111000"&
"00100000"&
"00100000"&
"00100000"&
"00100000"&
"00111000"&
"00000000",
"00000000"&--\
"01000000"&
"00100000"&
"00010000"&
"00001000"&
"00000100"&
"00000010"&
"00000000",
"00000000"&--]
"00001110"&
"00000010"&
"00000010"&
"00000010"&
"00000010"&
"00001110"&
"00000000",
"00000000"&--^
"00001000"&
"00010100"&
"00100010"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--_
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"01111110"&
"00000000",
"00000000"&--`
"00011000"&
"00001000"&
"00000000"&
"00000000"&
"00000000"&
"00000000"&
"00000000",
"00000000"&--A
"00111100"&
"01100110"&
"01100110"&
"01111110"&
"01100110"&
"01100110"&
"00000000",
"00000000"&--B
"01111100"&
"01100110"&
"01111100"&
"01100110"&
"01100110"&
"01111100"&
"00000000",
"00000000"&--C
"00111100"&
"01100110"&
"01100000"&
"01100000"&
"01100110"&
"00111100"&
"00000000",
"00000000"&--D
"01111100"&
"01100110"&
"01100110"&
"01100110"&
"01100110"&
"01111100"&
"00000000",
"00000000"&--E
"01111110"&
"01100000"&
"01111100"&
"01000000"&
"01000000"&
"01111110"&
"00000000",
"00000000"&--F
"01111110"&
"01100000"&
"01100000"&
"01111100"&
"01100000"&
"01100000"&
"00000000",
"00000000"&--G
"00111100"&
"01100110"&
"01100000"&
"01101110"&
"01100110"&
"00111110"&
"00000000",
"00000000"&--H
"01100110"&
"01100110"&
"01111110"&
"01100110"&