?? adder4.v
字號(hào):
module adder4(
a,
b,
carry_in,
sum,
carry_out
);
input [3:0] a,b;
input carry_in;
output [3:0] sum;
output carry_out;
wire [3:0] a,b;
wire carry_in;
wire [3:0] sum;
wire carry_out;
wire carry_out0;
wire carry_out1;
wire carry_out2;
myadder adder0(a[0],b[0],carry_in,
sum[0],carry_out0);
mydecr decr0 (a[1],b[1],carryout0,
sum[1],caryout1);
endmodule
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