2016-07-23 13:29:20 +08:00
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< li > < a href = "../index.html" > Language modes< / a >
< li > < a class = active href = "#" > Verilog/SystemVerilog< / a >
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< h2 > SystemVerilog mode< / h2 >
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// Literals
1'b0
1'bx
1'bz
16'hDC78
'hdeadbeef
'b0011xxzz
1234
32'd5678
3.4e6
-128.7
// Macro definition
`define BUS_WIDTH = 8;
// Module definition
module block(
input clk,
input rst_n,
input [`BUS_WIDTH-1:0] data_in,
output [`BUS_WIDTH-1:0] data_out
);
always @(posedge clk or negedge rst_n) begin
if (~rst_n) begin
data_out < = 8'b0;
end else begin
data_out < = data_in;
end
if (~rst_n)
data_out < = 8'b0;
else
data_out < = data_in;
if (~rst_n)
begin
data_out < = 8'b0;
end
else
begin
data_out < = data_in;
end
end
endmodule
// Class definition
class test;
/**
* Sum two integers
*/
function int sum(int a, int b);
int result = a + b;
string msg = $sformatf("%d + %d = %d", a, b, result);
$display(msg);
return result;
endfunction
task delay(int num_cycles);
repeat(num_cycles) #1;
endtask
endclass
< / textarea > < / div >
< script >
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
matchBrackets: true,
mode: {
name: "verilog",
noIndentKeywords: ["package"]
}
});
< / script >
< p >
Syntax highlighting and indentation for the Verilog and SystemVerilog languages (IEEE 1800).
< h2 > Configuration options:< / h2 >
< ul >
< li > < strong > noIndentKeywords< / strong > - List of keywords which should not cause indentation to increase. E.g. ["package", "module"]. Default: None< / li >
< / ul >
< / p >
< p > < strong > MIME types defined:< / strong > < code > text/x-verilog< / code > and < code > text/x-systemverilog< / code > .< / p >
< / article >
