macd主图的代码

编写要求：

这是一个主图代码：macd有参数设定，参数参考图例DIFF : EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);DEA : EMA(DIFF,M);MACD : 2*(DIFF-DEA), COLORSTICK;macd1:=ref(macd,1);空:=macd1>0.5 and macdmacd;多:=macd1<-0.5 and macd>macd1 and ref(close>open,1) and diff

解答：

DIFF : EMA(CLOSE,12) - EMA(CLOSE,26);