MACD Cross Over Band for Amibroker (AFL)

_SECTION_BEGIN("Bull/Bear Band");

// BAND
FastPeriods = Param("MACD Fast Periods", 12, 2, 100);
SlowPeriods = Param("MACD Slow Periods", 26, 2, 100);
SignalPeriods = Param("MACD Signal Periods", 9, 2, 100);
  
// MACD Golden and Dead cross 
DownTrend = Cross(MACD(FastPeriods, SlowPeriods), Signal(FastPeriods, SlowPeriods, SignalPeriods));
UpTrend = Cross(Signal(FastPeriods, SlowPeriods, SignalPeriods),MACD(FastPeriods, SlowPeriods));

Plot( Flip( UpTrend, DownTrend ), "UpTrend", colorRed, styleOwnScale| styleArea| styleNoLabel,-0.5,100);
Plot( Flip( DownTrend, UpTrend), "DownTrend", colorBlue, styleOwnScale| styleArea| styleNoLabel,-0.5,100);

_SECTION_END();