把机会来临公式中的买入点设成通信达选股公式

编写要求：

请老师帮我把下面的公式改成通信达选股公式，谢谢啦！N:=20;M:=32;P1:=80;P2:=100;VAR1:=(C+H+O+L)/4;卖出:=XMA(VAR1,N)*(1+P1/1000),COLORFFFFFF,LINETHICK3;买入:=XMA(VAR1,M)*(1-P2/1000),COLOR0000FF,LINETHICK3;DRAWBAND(卖出,RGB(200,50,55),卖出*1.03,RGB(0,100,50));DRAWBAND(买入,RGB(0,55,0),买入*0.97,RGB(55,55,0));幅度:100*(卖出-买入)/买入,NODRAW;MA1:=MA(VAR1,3);STICKLINE(卖出>LOW AND 卖出MIN(C,O) AND 卖出LOW AND 卖出LOW AND 买入MIN(C,O) AND 买入LOW AND 买入0.04 AND (MA(C,10)-MA(C,5))/MA(C,5)>0.04,30,0),1),COLORF00FF0,LINETHICK2;RSV2:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;K2:=REF(MA(RSV2,3),1)+(RSV2-REF(MA(RSV2,3),1))/3;D2:=REF(MA(K2,3),1)+(K2-REF(MA(K2,3),1))/3;J2:=3*K2-2*D2;BB1:=EMA(J2,5);BB2:=REF(BB1,1);金叉:=CROSS(BB1,BB2);DRAWTEXT(CROSS(C,买入) AND BB1>BB2 AND C>REF(O,2),买入*0.95,'买入'),COLOR0000FF;DRAWICON(CROSS(C,买入) AND 金叉 AND 机会来临 ,LOW*0.96,26);DRAWTEXT(CROSS(C,买入) AND 金叉 AND 机会来临,LOW*0.92,'【绝杀点】'),COLOR00FF00;

解答：

 VAR1:=(C+H+O+L)/4;