0111010000 0100110000 0000000100 0000000110 0000000000 0100000000 0100000000 0000010000 0111000000 0100001001 0000000000 0100010000 0101100000 0100000000 0000000000 0101000000 0100000000 0000010000 00000x0000 0100001000 0000000000 0001010000 0000000011 0100000000 0010000000 1000000000 0000000000 0000010000 对上述序列设计一段verilog及其testbench代码,要求分别将以上序列中的可相容项去掉,以及向量中全0行及全1行向量。向量间相容关系为两条向量间一一异或,若结果不是全0向量,则说明这两条向量不可相容,则保留这两条向量,若结果为全0向量,则证明这两条向量互为可相容项,保留其中一条向量即可,若两条向量异或结果为第三条向量,那么第三条向量为可相容项,去掉第三条向量。要求输出结果中不含有可相容项及全0行和全1行向量,并计数删掉的向量的数目。
时间: 2024-02-09 11:09:24 浏览: 149
以下是 verilog 代码,其中 `input_file` 为输入文件,`output_file` 为输出文件,`num_deleted` 为删掉的向量数目:
```verilog
module vector_compatibility_checker (
input clk,
input rst,
input [31:0] input_file,
output [31:0] output_file,
output [31:0] num_deleted
);
reg [31:0] input_vector [31:0];
reg [31:0] output_vector [31:0];
reg [31:0] deleted_vector [31:0];
reg [31:0] temp_vector;
reg [31:0] num_deleted_reg;
integer i, j, k;
initial begin
num_deleted_reg = 0;
for (i = 0; i < 32; i = i + 1) begin
input_vector[i] = input_file[(i + 1) * 10 - 1 -: 10];
end
end
always @(posedge clk) begin
if (rst) begin
num_deleted_reg <= 0;
for (i = 0; i < 32; i = i + 1) begin
input_vector[i] <= 0;
output_vector[i] <= 0;
deleted_vector[i] <= 0;
end
end else begin
// Remove compatible vectors
for (i = 0; i < 32; i = i + 1) begin
for (j = i + 1; j < 32; j = j + 1) begin
temp_vector = input_vector[i] ^ input_vector[j];
if (temp_vector != 0) begin
// Check if temp_vector is already in the input_vector array
for (k = 0; k < 32; k = k + 1) begin
if (temp_vector == input_vector[k]) begin
// temp_vector is a compatible vector, remove it
deleted_vector[num_deleted_reg] = temp_vector;
num_deleted_reg = num_deleted_reg + 1;
goto compatible_vector;
end
end
end else begin
// Both vectors are compatible, remove one of them
deleted_vector[num_deleted_reg] = input_vector[j];
num_deleted_reg = num_deleted_reg + 1;
goto compatible_vector;
end
end
compatible_vector:
end
// Remove all-zero and all-one vectors
for (i = 0; i < 32; i = i + 1) begin
if (input_vector[i] == 0 || input_vector[i] == 0xFFFFFFFF) begin
deleted_vector[num_deleted_reg] = input_vector[i];
num_deleted_reg = num_deleted_reg + 1;
end
end
// Copy non-deleted vectors to output_vector
j = 0;
for (i = 0; i < 32; i = i + 1) begin
for (k = 0; k < num_deleted_reg; k = k + 1) begin
if (input_vector[i] == deleted_vector[k]) begin
goto deleted_vector;
end
end
output_vector[j] = input_vector[i];
j = j + 1;
deleted_vector:
end
// Output results
output_file = { output_vector[31], output_vector[30], output_vector[29], output_vector[28],
output_vector[27], output_vector[26], output_vector[25], output_vector[24],
output_vector[23], output_vector[22], output_vector[21], output_vector[20],
output_vector[19], output_vector[18], output_vector[17], output_vector[16],
output_vector[15], output_vector[14], output_vector[13], output_vector[12],
output_vector[11], output_vector[10], output_vector[9], output_vector[8],
output_vector[7], output_vector[6], output_vector[5], output_vector[4],
output_vector[3], output_vector[2], output_vector[1], output_vector[0] };
num_deleted = num_deleted_reg;
// Update input_vector
for (i = 0; i < j; i = i + 1) begin
input_vector[i] = output_vector[i];
end
for (; i < 32; i = i + 1) begin
input_vector[i] = 0;
end
end
end
endmodule
module testbench;
reg clk;
reg rst;
reg [31:0] input_file;
wire [31:0] output_file;
wire [31:0] num_deleted;
vector_compatibility_checker dut (
.clk(clk),
.rst(rst),
.input_file(input_file),
.output_file(output_file),
.num_deleted(num_deleted)
);
integer i;
initial begin
clk = 0;
rst = 0;
input_file = 32'h0111010000_0100110000_0000000100_0000000110;
for (i = 0; i < 100; i = i + 1) begin
#5 clk = ~clk;
end
input_file = 32'h0000000000_0100000000_0100000000_0111000000;
for (i = 0; i < 100; i = i + 1) begin
#5 clk = ~clk;
end
input_file = 32'h0100001001_0000000000_0100010000_0101100000;
for (i = 0; i < 100; i = i + 1) begin
#5 clk = ~clk;
end
input_file = 32'h0100000000_0000010000_00000x0000_0100001000;
for (i = 0; i < 100; i = i + 1) begin
#5 clk = ~clk;
end
input_file = 32'h0000000011_0100000000_0010000000_1000000000;
for (i = 0; i < 100; i = i + 1) begin
#5 clk = ~clk;
end
$finish;
end
endmodule
```
以上代码中使用了一个 `goto` 语句,用于跳出多重循环。这种用法在 verilog 中是合法的,但是在其他编程语言中可能被认为是一种不好的编程风格。
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