Question

Verilog编写四人抢答器

完成四人竞赛的抢答器，某抢答开关按下时，对应指示灯亮；具有主持人启动，复位电路功能
请高手编出来，高分赏赐！谢谢！急用！网上我都找了没有，别复制网上的了，谢谢！

Answer 1

module dj(a,b,c,d,clk,res,led1,led2,led3,led4);
input a,b,c,d;
input clk,res;
output led1,led2,led3,led4;
reg led1,led2,led3,led4;
reg k;

always @(clk)
begin
if(res==0)
begin
led1<=0;
led2<=0;
led3<=0;
led4<=0;
k<=0;
end
else
begin
if(k==0)
begin
if(a)
begin
led1<=1;
k<=1;
end
else
if(b)
begin
led2<=1;
k<=1;
end
else
if(c)
begin
led3<=1;
k<=1;
end
if(d)
begin
led4<=1;
k<=1;
end

end
end
end
endmodule