reg [3:0] a = 4’b0001; reg [3:0] b = 4’b0xx1; reg [3:0] c = 4’b0xx1; reg j,k,l; initial begin j = (a==b); k = (a==?c); l = (b===c); end
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reg [3:0] a = 4’b0001;
reg [3:0] b = 4’b0xx1;
reg [3:0] c = 4’b0xx1;
reg j,k,l;
initial begin
j = (a==b);
k = (a==?c);
l = (b===c);
end
== 表示 只要数值相等 即可认为ture ===表示 要类型和数值全部相等 才为ture
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以上就是关于问题reg [3:0] a = 4’b0001; reg [3:0] b = 4’b0xx1; reg [3:0] c = 4’b0xx1;
reg j,k,l;
initial begin j = (a==b);
k = (a==?c);
l = (b===c); end的答案
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