OpenCores
URL https://opencores.org/ocsvn/System09/System09/trunk

Subversion Repositories System09

[/] [System09/] [trunk/] [rtl/] [Spartan3/] [keymap_rom2k_b16.vhd] - Blame information for rev 138

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 99 davidgb 
--===========================================================================--
2 
--                                                                           --
3 
--               Synthesizable PS/2 Keyboard Key map ROM for Spartan3        --
4 
--                                                                           --
5 
--===========================================================================--
6 
--
7 
--  File name      : keymap_rom2k_b16.vhd
8 
--
9 
--  Entity name    : keymap_rom
10 
--
11 
--  Purpose        : Key code look up table for PS/2 Keyboard
12 
--                   Converts 7 bit key code to ASCII
13 
--                   Address bit 8      = Shift
14 
--                   Address bit 7      = CAPS Lock
15 
--                   Address bits 6 - 0 = Key code
16 
--                   Data bits 6 - 0    = ASCII code
17 
--                   Intended for Spartan 3/3E
18 
--
19 
--  Dependencies   : ieee.std_logic_1164
20 
--                   ieee.std_logic_arith
21 
--                   unisim.vcomponents
22 
--
23 
--  Uses           : RAMB16_S9
24 
--
25 
--  Author         : John E. Kent
26 
--
27 
--  Email          : dilbert57@opencores.org
28 
--
29 
--  Web            : http://opencores.org/project,system09
30 
--
31 
--  Copyright (C) 2004 - 2010 John Kent
32 
--
33 
--  This program is free software: you can redistribute it and/or modify
34 
--  it under the terms of the GNU General Public License as published by
35 
--  the Free Software Foundation, either version 3 of the License, or
36 
--  (at your option) any later version.
37 
--
38 
--  This program is distributed in the hope that it will be useful,
39 
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
40 
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
41 
--  GNU General Public License for more details.
42 
--
43 
--  You should have received a copy of the GNU General Public License
44 
--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
45 
--
46 
--===========================================================================--
47 
--                                                                           --
48 
--                              Revision  History                            --
49 
--                                                                           --
50 
--===========================================================================--
51 
--
52 
-- Version Date        Author     Changes
53 
--
54 
-- 0.1     ????-??-??  John Kent  Initial version
55 
-- 0.2     2010-06-17  John Kent  Revised Header, renamed data pins
56 
--
57 
 
58 19 dilbert57 
library IEEE;
59 
use IEEE.STD_LOGIC_1164.ALL;
60 
use IEEE.STD_LOGIC_ARITH.ALL;
61 
library unisim;
62 
        use unisim.vcomponents.all;
63 
 
64 99 davidgb 
entity keymap_rom is
65 19 dilbert57 
    Port (
66 99 davidgb 
       clk      : in  std_logic;
67 
       rst      : in  std_logic;
68 
       cs       : in  std_logic;
69 
       rw       : in  std_logic;
70 
       addr     : in  std_logic_vector (8 downto 0);
71 
       data_in  : in  std_logic_vector (7 downto 0);
72 
       data_out : out std_logic_vector (7 downto 0)
73 19 dilbert57 
    );
74 99 davidgb 
end keymap_rom;
75 19 dilbert57 
 
76 99 davidgb 
architecture rtl of keymap_rom is
77 19 dilbert57 
 
78 
 
79 
signal we : std_logic;
80 
signal dp : std_logic;
81 99 davidgb 
signal ad : std_logic_vector(10 downto 0);
82 19 dilbert57 
 
83 
begin
84 
 
85 
  ROM : RAMB16_S9
86 
    generic map (
87 
    INIT_00 => x"00327761737a0000003171000000000000600900000000000000000000000000",
88 
    INIT_01 => x"003837756a6d00000036796768626e0000357274667620000033346564786300",
89 
    INIT_02 => x"00005c005d0d000000003d5b00270000002d703b6c2f2e000039306f696b2c00",
90 
    INIT_03 => x"0000000000000000001b000000007f0000000000000000000008000000000000",
91 
    INIT_04 => x"00121701131a0000001111000000000000000900000000000000000000000000",
92 
    INIT_05 => x"001817150a0d00000016190708020e0000151214061600000013140504180300",
93 
    INIT_06 => x"00001c001d0d000000001d1b00070000000d101b0c0f0e000019100f090b0c00",
94 
    INIT_07 => x"0000000000000000001b000000001f0000000000000000000008000000000000",
95 
    INIT_08 => x"00405741535a00000021510000000000007e0900000000000000000000000000",
96 
    INIT_09 => x"002a26554a4d0000005e594748424e0000255254465620000023244544584300",
97 
    INIT_0A => x"00007c007d0d000000002b7b00220000005f503a4c3f3e000028294f494b3c00",
98 
    INIT_0B => x"0000000000000000001b000000007f0000000000000000000008000000000000",
99 
    INIT_0C => x"00001701131a00000001110000000000001e0900000000000000000000000000",
100 
    INIT_0D => x"000a06150a0d0000001e190708020e0000051214061600000003040504180300",
101 
    INIT_0E => x"00001c001d0d000000001d1b00020000001f101a0c1f1e000008090f090b1c00",
102 
    INIT_0F => x"0000000000000000001b000000001f0000000000000000000008000000000000",
103 
    INIT_10 => x"0000000000000000000000000000000000000000000000000000000000000000",
104 
    INIT_11 => x"0000000000000000000000000000000000000000000000000000000000000000",
105 
    INIT_12 => x"0000000000000000000000000000000000000000000000000000000000000000",
106 
    INIT_13 => x"0000000000000000000000000000000000000000000000000000000000000000",
107 
    INIT_14 => x"0000000000000000000000000000000000000000000000000000000000000000",
108 
    INIT_15 => x"0000000000000000000000000000000000000000000000000000000000000000",
109 
    INIT_16 => x"0000000000000000000000000000000000000000000000000000000000000000",
110 
    INIT_17 => x"0000000000000000000000000000000000000000000000000000000000000000",
111 
    INIT_18 => x"0000000000000000000000000000000000000000000000000000000000000000",
112 
    INIT_19 => x"0000000000000000000000000000000000000000000000000000000000000000",
113 
    INIT_1A => x"0000000000000000000000000000000000000000000000000000000000000000",
114 
    INIT_1B => x"0000000000000000000000000000000000000000000000000000000000000000",
115 
    INIT_1C => x"0000000000000000000000000000000000000000000000000000000000000000",
116 
    INIT_1D => x"0000000000000000000000000000000000000000000000000000000000000000",
117 
    INIT_1E => x"0000000000000000000000000000000000000000000000000000000000000000",
118 
    INIT_1F => x"0000000000000000000000000000000000000000000000000000000000000000",
119 
    INIT_20 => x"0000000000000000000000000000000000000000000000000000000000000000",
120 
    INIT_21 => x"0000000000000000000000000000000000000000000000000000000000000000",
121 
    INIT_22 => x"0000000000000000000000000000000000000000000000000000000000000000",
122 
    INIT_23 => x"0000000000000000000000000000000000000000000000000000000000000000",
123 
    INIT_24 => x"0000000000000000000000000000000000000000000000000000000000000000",
124 
    INIT_25 => x"0000000000000000000000000000000000000000000000000000000000000000",
125 
    INIT_26 => x"0000000000000000000000000000000000000000000000000000000000000000",
126 
    INIT_27 => x"0000000000000000000000000000000000000000000000000000000000000000",
127 
    INIT_28 => x"0000000000000000000000000000000000000000000000000000000000000000",
128 
    INIT_29 => x"0000000000000000000000000000000000000000000000000000000000000000",
129 
    INIT_2A => x"0000000000000000000000000000000000000000000000000000000000000000",
130 
    INIT_2B => x"0000000000000000000000000000000000000000000000000000000000000000",
131 
    INIT_2C => x"0000000000000000000000000000000000000000000000000000000000000000",
132 
    INIT_2D => x"0000000000000000000000000000000000000000000000000000000000000000",
133 
    INIT_2E => x"0000000000000000000000000000000000000000000000000000000000000000",
134 
    INIT_2F => x"0000000000000000000000000000000000000000000000000000000000000000",
135 
    INIT_30 => x"0000000000000000000000000000000000000000000000000000000000000000",
136 
    INIT_31 => x"0000000000000000000000000000000000000000000000000000000000000000",
137 
    INIT_32 => x"0000000000000000000000000000000000000000000000000000000000000000",
138 
    INIT_33 => x"0000000000000000000000000000000000000000000000000000000000000000",
139 
    INIT_34 => x"0000000000000000000000000000000000000000000000000000000000000000",
140 
    INIT_35 => x"0000000000000000000000000000000000000000000000000000000000000000",
141 
    INIT_36 => x"0000000000000000000000000000000000000000000000000000000000000000",
142 
    INIT_37 => x"0000000000000000000000000000000000000000000000000000000000000000",
143 
    INIT_38 => x"0000000000000000000000000000000000000000000000000000000000000000",
144 
    INIT_39 => x"0000000000000000000000000000000000000000000000000000000000000000",
145 
    INIT_3A => x"0000000000000000000000000000000000000000000000000000000000000000",
146 
    INIT_3B => x"0000000000000000000000000000000000000000000000000000000000000000",
147 
    INIT_3C => x"0000000000000000000000000000000000000000000000000000000000000000",
148 
    INIT_3D => x"0000000000000000000000000000000000000000000000000000000000000000",
149 
    INIT_3E => x"0000000000000000000000000000000000000000000000000000000000000000",
150 
    INIT_3F => x"0000000000000000000000000000000000000000000000000000000000000000"
151 
    )
152 
 
153 
    port map (
154 99 davidgb 
          do     => data_out,
155 19 dilbert57 
          dop(0) => dp,
156 99 davidgb 
          addr   => ad,
157 19 dilbert57 
          clk    => clk,
158 99 davidgb 
          di     => data_in,
159 19 dilbert57 
          dip(0) => dp,
160 
          en     => cs,
161 
          ssr    => rst,
162 
          we     => we
163 
        );
164 
 
165 99 davidgb 
my_keymap_rom_b16 : process ( rw, addr )
166 19 dilbert57 
begin
167 99 davidgb 
         we    <= not rw;
168 
    ad(8 downto 0) = addr;
169 
    ad(10 downto 9) = "00";
170 19 dilbert57 
end process;
171 
 
172 
end architecture rtl;
173 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.