URL
https://opencores.org/ocsvn/reed_solomon_coder/reed_solomon_coder/trunk
Subversion Repositories reed_solomon_coder
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/reed_solomon_coder
- from Rev 4 to Rev 5
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Rev 4 → Rev 5
/trunk/division.v
0,0 → 1,31
`timescale 1ns / 1ps |
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module division(A,B,Res); |
input [31:0] A; |
input [31:0] B; |
output [31:0] Res; |
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reg [31:0] Res = 0; |
reg [31:0] a1,b1; |
reg [32:0] p1; |
integer i; |
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always@ (A or B) |
begin |
a1 = A; |
b1 = B; |
p1= 0; |
for(i=0;i < 32;i=i+1) begin |
p1 = {p1[30:0],a1[31]}; |
a1[31:1] = a1[30:0]; |
p1 = p1-b1; |
if(p1[31] == 1) begin |
a1[0] = 0; |
p1 = p1 + b1; end |
else |
a1[0] = 1; |
end |
Res = a1; |
end |
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endmodule |