From 700da23188ef4059c15b4b71786c32c7bfbbfa73 Mon Sep 17 00:00:00 2001 From: crupest Date: Fri, 24 Dec 2021 19:35:39 +0800 Subject: ... --- computer-organization-experiment/alu.vhdl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'computer-organization-experiment/alu.vhdl') 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" -- cgit v1.2.3