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找到约 10,000 项符合
V 的代码
johnson.v
module johnson(clk,clr,out);
input clk,clr;
output[3:0] out;
reg[3:0] out;
always @(posedge clk or posedge clr)
begin
if (clr) out
dff.v
module DFF(Q,D,CLK);
output Q;
input D,CLK;
reg Q;
always @(posedge CLK)
begin
Q
mpc.v
module mpc(instr,out);
input[17:0] instr;
output[8:0] out;
reg[8:0] out;
reg func;
reg[7:0] op1,op2;
function[16:0] code_add;
input[17:0] instr;
reg add_func;
reg[7:0] code,opr1,opr2;
begi
rom.v
module rom(addr,data);
input[3:0] addr;
output[7:0] data;
function[7:0] romout;
input[3:0] addr;
case(addr)
0 : romout = 0;
1 : romout = 1;
2 : romout = 4;
3 : romout = 9;
4 : romout = 16;
bidir.v
module bidir(tri_inout,out,in,en,b);
inout tri_inout;
output out;
input in,en,b;
assign tri_inout = en ? in : 'bz;
assign out = tri_inout ^ b;
endmodule
parity.v
module parity(even_bit,odd_bit,input_bus);
output even_bit,odd_bit;
input[7:0] input_bus;
assign odd_bit = ^input_bus;
assign even_bit = ~odd_bit;
endmodule
compile.v
module compile(out,A,B);
output out;
input A,B;
`ifdef add
assign out=A+B;
`else
assign out=A-B;
`endif
endmodule
adder.v
module adder(cout,sum,a,b,cin);
parameter size=16;
output cout;
output[size-1:0] sum;
input cin;
input[size-1:0] a,b;
assign {cout,sum}=a+b+cin;
endmodule
test.v
`timescale 1ns/1ns
module test;
reg A,B,C;
initial
begin
A = 0; B = 1; C = 0;
#50 A = 1; B = 0;
#50 A = 0; C = 1;
#50 B = 1;
#50 B = 0; C = 0;
#50 $finish ;
mult_for.v
module mult_for(outcome,a,b);
parameter size=8;
input[size:1] a,b;
output[2*size:1] outcome;
reg[2*size:1] outcome;
integer i;
always @(a or b)
begin
outcome=0;
for(i=1; i