麻烦老师帮助编写文华macd背离预警公式

DIFF:EMA(CLOSE,12) – EMA(CLOSE,26);
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA),COLORSTICK;
JC:=CROSS(DIFF,DEA);
SC:=CROSSDOWN(DIFF,DEA);
N1:=BARSLAST(JC)+1;
N2:=BARSLAST(SC)+1;
HH:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(H,N1));//上次MACD红柱期间合约最大值
HH2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(HH,1));//上上次MACD红柱期间合约最大值
MHD:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(MACD,N1));//上次MACD红柱期间MACD最大值
MHD2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(MHD,1));//上上次MACD红柱期间MACD最大值
LL:=VALUEWHEN(CROSS(DIFF,DEA),LLV(L,N2));//上次MACD绿柱期间合约最小值
LL2:=VALUEWHEN(CROSS(DIFF,DEA),REF(LL,1));//上上次MACD绿柱期间合约最小值
MHDD:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(DIFF,N1));//上次MACD红柱期间DIFF最大值
MHDD2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(MHDD,1));//上上次MACD红柱期间DIFF最大值
MLDD:=VALUEWHEN(CROSS(DIFF,DEA),LLV(DIFF,N2));//上次MACD绿柱期间DIFF最小值
MLDD2:=VALUEWHEN(CROSS(DIFF,DEA),REF(MLDD,1));//上上次MACD绿柱期间DIFF最小值
AA:=CROSSDOWN(DIFF,DEA)&&HH>HH2&&MHDDMLDD2;//底背离
AA,NOTICE(‘顶背离’);
BB,NOTICE(‘底背离’);