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编程求助

大家好，下面是博易大师中，一个指标的代码[code]REFLINE: -6,0, 8;

RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:=3*K-2*D;
DRAWTEXT(K/D>1,0-2,'B'),COLOR0000FF;
DRAWTEXT(K/D<1,0-2,'S'),COLOR00FF00;

DIFF := EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);
DEA  := EMA(DIFF,M);
MACD := 2*(DIFF-DEA), COLORSTICK;
MACD1:= MACD-REF(MACD,1);
DRAWTEXT(MACD1<0,0-4,'S'),COLOR00FF00;
DRAWTEXT(MACD1>0,0-4,'B'),COLOR0000FF;[/code]求助，如果放在mt4.0中，这个指标该怎么编程呀？