| 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 |