把下面的十战七胜选股（副图）指标做成预警公式

把下面的十战七胜选股（副图）指标做成预警公式
源码如下：
MAA5:MA(C,5),COLORFF00FF,LINETHICK2;
MAA10:=MA(C,10);
MAA30:MA(C,30),COLORRED;
KS:IF(MAA10>MAA30,MAA10,MAA30),COLORBLUE;
A3:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
A4:=SMA(A3,3,1);
A5:=SMA(A4,3,1);
A6:=3*A4-2*A5;
A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6);
买:=LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2));
DRAWTEXT(FILTER(买=1,5),LOW-0.05,'↖买进'),COLORYELLOW;
STICKLINE(买,OPEN,CLOSE,2,0),COLORYELLOW;

十战七胜选股公式（副图） （选股条件：买进=1)
A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6);
买进:(LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2))),COLORRED;
DRAWTEXT(买进,0.5,'↖买进'),COLORYELLOW;

老K股票学习网解答：

A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6);
买:=LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2));
买进:FILTER(买=1,5);