377c0242 |
1 | -- J.STELZNER\r |
2 | -- INFORMATIK-3 LABOR\r |
3 | -- 23.08.2006\r |
4 | -- File: REG.VHD\r |
5 | \r |
6 | library ieee ;\r |
7 | use ieee.std_logic_1164.all ;\r |
8 | \r |
9 | entity REG is\r |
10 | port\r |
11 | (\r |
12 | CLOCK :in std_logic; \r |
13 | RESET :in std_logic; \r |
14 | WRITE :in std_logic; \r |
15 | REG_IN :in std_logic_vector(7 downto 0);\r |
16 | REG_OUT :out std_logic_vector(7 downto 0) \r |
17 | );\r |
18 | end entity REG ;\r |
19 | \r |
20 | architecture REG_DESIGN of REG is\r |
21 | \r |
22 | signal SIG_REG :std_logic_vector (7 downto 0);\r |
23 | \r |
24 | begin\r |
25 | \r |
26 | process (CLOCK) \r |
27 | begin\r |
28 | if (CLOCK'event and CLOCK = '1') then\r |
29 | if RESET = '1' then SIG_REG <= X"00";\r |
30 | elsif WRITE = '1' then SIG_REG <= REG_IN;\r |
31 | else SIG_REG <= SIG_REG;\r |
32 | end if;\r |
33 | end if;\r |
34 | end process;\r |
35 | \r |
36 | REG_OUT <= SIG_REG;\r |
37 | \r |
38 | end architecture REG_DESIGN;\r |