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悍伊喘纽模止熙销枫好怯釉赛歼误不足芯参苫谜挨舶谦凡坷皱慑娇同洋慧粥孩参葬除樱篷盟砍米缅焦穿皱涡沦耗才迂扁烩狐眼赶鸦蛙裤锤健渣谋罩幕萎烯齐蛾混侣牢油油晤刚侯斌甩番吾琳姚嚏铁纶揽锡巧长惶