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| author | crupest <crupest@outlook.com> | 2021-12-24 19:35:39 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2021-12-24 19:35:39 +0800 |
| commit | 700da23188ef4059c15b4b71786c32c7bfbbfa73 (patch) | |
| tree | 92d5bfb8dfa58a4c1fedbb2217fda5bd9c1305ec /computer-organization-experiment/alu.vhdl | |
| parent | c17673ea6b100f7b8766c6acccfb38e356a9c286 (diff) | |
| download | life-700da23188ef4059c15b4b71786c32c7bfbbfa73.tar.gz life-700da23188ef4059c15b4b71786c32c7bfbbfa73.tar.bz2 life-700da23188ef4059c15b4b71786c32c7bfbbfa73.zip | |
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Diffstat (limited to 'computer-organization-experiment/alu.vhdl')
| -rw-r--r-- | computer-organization-experiment/alu.vhdl | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/computer-organization-experiment/alu.vhdl b/computer-organization-experiment/alu.vhdl index 75a9961..5eed3df 100644 --- a/computer-organization-experiment/alu.vhdl +++ b/computer-organization-experiment/alu.vhdl @@ -13,8 +13,8 @@ end entity; architecture Behavioral of alu is begin S <= A + B when ALUC(2 downto 0) = B"000" - else A and B when ALUC(2 downto 0) ?= B"001" - else A - B when ALUC(2 downto 0) ?= B"100" + else A - B when ALUC(2 downto 0) ?= B"001" + else A and B when ALUC(2 downto 0) ?= B"100" else A or B when ALUC(2 downto 0) ?= B"101" else A xor B when ALUC(2 downto 0) ?= B"010" else std_logic_vector(signed(A) sll 16) and H"FFFF0000" when ALUC(2 downto 0) ?= B"110" |