Sem AO-AC

//+------------------------------------------------------------------+
//|                                  Áîëüøàÿ Êîëëåêöèÿ Ñåìàôîðîâ.mq4 |
//+------------------------------------------------------------------+
#property copyright "Ñåðãååâ Àëåêñåé (ñ) 2007"

#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 1
#property indicator_buffers 4
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 1
#property indicator_width4 1
#property indicator_color1 Crimson
#property indicator_color2 LimeGreen
#property indicator_color3 Crimson
#property indicator_color4 LimeGreen
#property indicator_style1 STYLE_SOLID
#property indicator_style2 STYLE_SOLID
#property indicator_style3 STYLE_SOLID
#property indicator_style4 STYLE_SOLID
//---- input parameters
extern int       Minutes=0;

//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];

int init()
{
//---- indicators
	SetIndexStyle(0,DRAW_HISTOGRAM);	SetIndexBuffer(0,ExtMapBuffer1);
	SetIndexStyle(1,DRAW_HISTOGRAM);	SetIndexBuffer(1,ExtMapBuffer2);
	SetIndexStyle(2,DRAW_HISTOGRAM);	SetIndexBuffer(2,ExtMapBuffer3);
	SetIndexStyle(3,DRAW_HISTOGRAM);	SetIndexBuffer(3,ExtMapBuffer4);

   string Name = "AO/AC";
   IndicatorShortName(Name);  

	return(0);
}
int deinit()  { return(0); }

int start()
{
	double ac, ao;
//----

	for (int i = 0; i < Bars; i++)
	{
		ExtMapBuffer1[i]=0; ExtMapBuffer2[i]=0; ExtMapBuffer3[i]=0; ExtMapBuffer4[i]=0;

		ao=iAO(NULL,Minutes, i);
		ac=iAC(NULL,Minutes, i);

		if (ao<0 && ac<0) ExtMapBuffer1[i] = 1; //ïðîäàåì
		if (ao>0 && ac>0) ExtMapBuffer2[i] = 1; //ïîêóïàåì
		if (ao<0 && ac>0) ExtMapBuffer3[i] = 1; //ïðîäàåì
		if (ao>0 && ac<0) ExtMapBuffer4[i] = 1; //ïîêóïàåì
      
	}
	return(0);
}
//+------------------------------------------------------------------+