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verilog code for 32 bit booth multipler
Post: #1

hi ,

i am trying to do a 32 bit booth multiplier which is used in processor so i need the code for the same . where the multiplication of 2 16-bit numbers can be done. please help me out.
Post: #2
need help in Vedic multiplier in verilog
Post: #3
In which language you need code assembly ?
Post: #4

Multiplying two 32-bit operand in verilog

module multiplier_always(operand1,operand2,product);
input [31:0] operand1 ,operand2;
output reg [63:0] product;

reg [63:0] op1;
reg [31:0] op2,addres,subres;
reg [64:0] subres2,result,addres2,opp1;
reg [2:0] i=0;



always@(*)
begin
op1 = {32'b0,operand1};
opp1 = {op1,1'b0};

for(i=0;i<32;i=i+1)
begin
case(opp1[1:0])
2'b00:begin
opp1 = {opp1[64],opp1[64:1]};
end

2'b01:begin
addres = opp1[64:6]+ operand2;
addres2 = {addres,opp1[32:0]};
opp1 = {addres2[64],addres2[64:1]};
end

2'b10:begin
subres = opp1[64:6]+ (~operand2+1);
subres2 = {subres,opp1[32:0]};
opp1 = {subres2[64],subres2[64:1]};
end

2'b11:begin
opp1 = {opp1[64],opp1[64:1]};//shift
end

endcase
end
product = opp1[64:1];

end
endmodule



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