请老师给编辑一下MACD背离指标 (文华财经)

参考

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:=REF(HHV(H,N1),N2);//上次MACD红柱期间合约最大值
HH2:=REF(REF(HH,1),N2);//上上次MACD红柱期间合约最大值
MHD:=VALUEWHEN(CROSSDOWN(DIFF,DEA),HHV(DIFF,N1));//上次MACD红柱期间DIFF最大值
MHD2:=VALUEWHEN(CROSSDOWN(DIFF,DEA),REF(MHD,1));//上上次MACD红柱期间DIFF最大值

LL:=REF(LLV(L,N2),N1);
LL2:=REF(REF(LL,1),N1);
MLD:=VALUEWHEN(CROSS(DIFF,DEA),LLV(DIFF,N2));
MLD2:=VALUEWHEN(CROSS(DIFF,DEA),REF(MLD,1));

A:=SC&&HH>HH2&&MHD<MHD2;//顶背离
B:=JC&&LL<LL2&&MLD>MLD2;
DRAWTEXT(B,L,'66'),VALIGN0;
DRAWTEXT(A,H,'66');