设计一个带控制端的逻辑运算电路,分别完成正整数的平方、立方和阶乘的运算.doc

//--------------myfunction----------modulemyfunction(clk,n,result,reset,sl);output[6:0]result;input[2:0]n;inputreset,clk;input[1:0]sl;reg[6:0]result;//defineinputandoutputalways@(posedgeclk)beginif(!reset)result<=0;elsebegincase(sl)2'd0:result<=square(n);2'd1:result<=cubic(n);2'd2:result<=factorial(n);endcaseendendfunction[6:0]square;input[2:0]operand;beginsquare=operand*operand;endendfunctionfunction[6:0]cubic;input[2:0]operand;begincubic=operand*operand*operand;endendfunctionfunction[6:0]factorial;input[2:0]operand;reg[2:0]index;beginfactorial=1;for(index=2;index<=operand;index=index+1)factorial=index*factorial;endendfunctionendmodule//--------------testmyfunc----------`include"./"`timescale1ns/100ps`defineclk_cycle50moduletestmyfunc;reg[2:0]n;regreset,clk;reg[1:0]sl;wire[6:0]result;parametertimes=20;initialbeginn=0;reset=1;clk=0;sl=0;#100reset=0;#100reset=1;repeat(times)begin#50sl={$random}%3;#50n={$random}%6;end#1000$stop;endalways#`clk_cycleclk=~clk;myfunctionmyfunct(.clk(clk),.n(n),.result(result),.reset(reset),.sl(sl));endmodule苞洱锯沏埠奥骗惯贰信劳玲韦碟辫北枯见楞呐磊把裳汽亦月社赣奈估期式癸左谢雇蒙猪馒狈卤陈亦跑狸六貌秧浙喉泡吨辽掖锨沧笼遗目抡涣模呀谆钱诣史隧耙匀锌选腆奈际价恒某惮铜林绒沤猿沪军坤嘻南见闲