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Fix multiplier behavioural

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This commit is contained in:
Anton Blanchard
2022-02-01 20:22:31 +11:00
parent 537a0aac1d
commit 5ac715d932
1 changed files with 2 additions and 3 deletions
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5
asic/behavioural/multiply_add_64x64.v
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@@ -12,14 +12,13 @@ module multiply_add_64x64
input [BITS*2-1:0] c,
output [BITS*2-1:0] o
);
reg [BITS*2-1:0] o_tmp[3:0];
reg [BITS*2-1:0] o_tmp[2:0];
always @(posedge clk) begin
o_tmp[3] = o_tmp[2];
o_tmp[2] = o_tmp[1];
o_tmp[1] = o_tmp[0];
o_tmp[0] = (a * b) + c;
end
assign o = o_tmp[3];
assign o = o_tmp[2];
endmodule