主题：老师帮忙编写一下

VARIABLE:x=0,y=0;
DIFF :=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA  :=EMA(DIFF,9);
MACD :=2*(DIFF-DEA);
MM:=TRMA(C,5);
MMA:=C>MM and REF(MM,12)>REF(MM,5) and REF(MM,10)>REF(MM,8);
MMB:=C<MM and REF(MM,12)<REF(MM,5) and REF(MM,10)<REF(MM,8);

开多平空条件:=CROSS(DIFF,DEA) and MMA;//开多平空条件
开空平多条件:=CROSS(DEA,DIFF) and MMB;//开空平多条件

 if l<=ref(hhv(h,enterbars+1),1)*0.99 and holding>0 and enterbars>0 then begin
 sell(1,0,market);
 y:=0;
 end
 if h>=ref(llv(l,enterbars+1),1)*1.01 and holding<0 and enterbars>0 then begin
  sellshort(1,0,market);
  x:=0;
  end