blob: 5d0c75fa60e6f7fcbf91f14847e68a1b85e8aa5b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
module repwhile_test001(input [5:0] a, output [7:0] y, output [31:0] x);
function [7:0] mylog2;
input [31:0] value;
begin
mylog2 = 0;
while (value > 0) begin
value = value >> 1;
mylog2 = mylog2 + 1;
end
end
endfunction
function [31:0] myexp2;
input [7:0] value;
begin
myexp2 = 1;
repeat (value)
myexp2 = myexp2 << 1;
end
endfunction
reg [7:0] y_table [63:0];
reg [31:0] x_table [63:0];
integer i;
initial begin
for (i = 0; i < 64; i = i+1) begin
y_table[i] <= mylog2(i);
x_table[i] <= myexp2(i);
end
end
assign y = y_table[a];
assign x = x_table[a];
endmodule
|
