input:p(26,20,100,8),s(12,5,40,4),m(9,2,60,6);
DIFF :EMA(CLOSE,S) - EMA(CLOSE,P);
DEA :EMA(DIFF,M);
MACD1 :2*(DIFF-DEA), COLORSTICK;
macdjc:cross(diff,dea),NODRAW;//macd金叉
macdsc:cross(dea,diff),NODRAW;
SPEAK(macdjc,'macd金叉')；
SPEAK(macdsc,'macd死叉')；