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Ref(01_Adder):Уд-ие лога о результатых симуляции

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alexkharl
2024-02-07 13:29:40 +03:00
parent 54bc0e1336
commit 33c8dda06c
2 changed files with 21 additions and 37 deletions
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30
Labs/01. Adder/tb_fulladder.sv
View File

@@ -28,31 +28,27 @@ parameter TEST_VALUES = 8;
.carry_o(tb_carry_o)
);
integer i, err_count = 0;
integer i;
reg [4:0] running_line;
reg [5*8-1:0] line_dump;
wire sum_dump;
wire carry_o_dump;
assign tb_a_i = running_line[4];
assign tb_b_i = running_line[3];
assign tb_carry_i = running_line[2];
assign sum_dump = running_line[1];
assign carry_o_dump = running_line[0];
initial begin
$display( "Start test: ");
for ( i = 0; i < TEST_VALUES; i = i + 1 )
begin
running_line = line_dump[i*5+:5];
#TIME_OPERATION;
if( (tb_carry_o !== carry_o_dump) || (tb_sum_o !== sum_dump) ) begin
$display("ERROR! carry_i = %b; (a)%b + (b)%b = ", tb_carry_i, tb_a_i, tb_b_i, "(carry_o)%b (sum_o)%b;", tb_carry_o, tb_sum_o, " carry_o_dump: %b, sum_dump: %b", carry_o_dump, sum_dump);
err_count = err_count + 1'b1;
end
end
$display("Number of errors: %d", err_count);
if( !err_count ) $display("\nfulladder SUCCESS!!!\n");
$display("START simulation of 1-bit fulladder.");
$display("You should run simmulation until the message 'FINISH simulation' appears in the log.");
for (i = 0; i < TEST_VALUES; i = i + 1) begin
running_line = line_dump[i*5+:5];
#TIME_OPERATION;
end
$display("FINISH simulation");
$display(
"Now you should open the waveform window",
"and visually prove correctness of the design"
);
$finish();
end

26
Labs/01. Adder/tb_fulladder4.sv
View File

@@ -39,32 +39,20 @@ module tb_fulladder4();
assign sum_dump = running_line[4:1];
assign carry_o_dump = running_line[0];
`ifdef __debug__
initial begin
$display( "\nStart test: \n\n==========================\nCLICK THE BUTTON 'Run All'\n==========================\n"); $stop();
for ( i = 0; i < TEST_VALUES; i = i + 1 )
begin
running_line = line_dump[i*14+:14];
#TIME_OPERATION;
if( (tb_carry_o !== carry_o_dump) || (tb_sum_o !== sum_dump) ) begin
$display("ERROR! carry_i = %b; (a)%h + (b)%h = ", tb_carry_i, tb_a_i, tb_b_i, "(carry_o)%b (sum_o)%h;", tb_carry_o, tb_sum_o, " carry_o_dump: %b, sum_dump: %h", carry_o_dump, sum_dump);
err_count = err_count + 1'b1;
end
end
$display("Number of errors: %d", err_count);
if( !err_count ) $display("\nfulladder4 SUCCESS!!!\n");
$finish();
end
`else
initial begin
$display("START simulation of 4-bit fulladder.");
$display("You should run simmulation until the message 'FINISH simulation' appears in the log.");
for ( i = TEST_VALUES-1; i >=0 ; i = i - 1 )
begin
running_line = line_dump[i*14+:14];
#TIME_OPERATION;
end
$finish();
$display("FINISH simulation");
$display(
"Now you should open the waveform window",
"and visually prove correctness of the design"
);
end
`endif
initial line_dump = {
14'h1787,