MaskType		  "Triggered buffer down"
	  MaskDescription	  "Rising edge of the 2nd port triggers 1st po"
"rt vector signal in. Rising edge of the 3rd port triggers 1st outport signal "
"out."
	  MaskHelp		  "The block refreshes its registers with the "
"vector input from the 1st inport at the rising edge of the 2nd inport pulse. "
"The 1st outport outputs the elements of the registers starting with the given"
" initial index. The rising edge of the 3rd inport pulse triggers the 1st outp"
"ut to output the register value with the index increasing the increment value"
". The second outport outputs a spike pulse when the internal register is refr"
"eshed."
	  MaskPromptString	  "Input signal vector size:|Initial index (in"
"teger vector):|Increment for each index (integer vector):|Trigger threshold:|"
"When index exceed register size, 1: cyclic out, 0: zero out:"
	  MaskStyleString	  "edit,edit,edit,edit,edit"
	  MaskTunableValueString  "on,on,on,on,on"
	  MaskCallbackString	  "||||"
	  MaskEnableString	  "on,on,on,on,on"
	  MaskVisibilityString	  "on,on,on,on,on"
	  MaskToolTipString	  "on,on,on,on,on"
	  MaskVarAliasString	  ",,,,"
	  MaskInitialization	  "in_size=@1;ini_idx=@2;idx_inc=@3;thrshld=@4"
";cycl_flag=@5;out_size=length(ini_idx);[v,w]=trigicon(0,25,get_param(gcb,'ori"
"entation'),2);[x,y]=trigicon(1,75,get_param(gcb,'orientation'),2);[u,z]=trigi"
"con(0,50,get_param(gcb,'orientation'),2);"
	  MaskDisplay		  "plot(0,0,100,100,x,y,v,w,u,z);disp('Buffer "
"dwn')"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "2|[1 0]|[0 0]|1|0"
	  System {
	    Name		    "hold"
	    Location		    [22, 58, 460, 228]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "in_1"
	      Position		      [15, 55, 35, 75]
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "in_2"
	      Position		      [40, 70, 60, 90]
	      Port		      "2"
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "in_3"
	      Position		      [65, 85, 85, 105]
	      Port		      "3"
	    }
	    Block {
	      BlockType		      Demux
	      Name		      "Demux"
	      Ports		      [1, 2]
	      Position		      [290, 62, 330, 98]
	      Outputs		      "[out_size 1]"
	    }
	    Block {
	      BlockType		      Mux
	      Name		      "Mux"
	      Ports		      [3, 1]
	      Position		      [110, 59, 140, 101]
	      Inputs		      "[in_size 1 1]"
	    }
	    Block {
	      BlockType		      "S-Function"
	      Name		      "S-function"
	      Ports		      [1, 1]
	      Position		      [185, 70, 235, 90]
	      FunctionName	      "regdown"
	      Parameters	      "ini_idx, idx_inc, thrshld, cycl_flag"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "out_1"
	      Position		      [390, 60, 410, 80]
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "out_2"
	      Position		      [355, 80, 375, 100]
	      Port		      "2"
	    }
	    Line {
	      SrcBlock		      "S-function"
	      SrcPort		      1
	      DstBlock		      "Demux"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Mux"
	      SrcPort		      1
	      DstBlock		      "S-function"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "in_1"
	      SrcPort		      1
	      DstBlock		      "Mux"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Demux"
	      SrcPort		      1
	      DstBlock		      "out_1"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "in_2"
	      SrcPort		      1
	      DstBlock		      "Mux"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Demux"
	      SrcPort		      2
	      DstBlock		      "out_2"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "in_3"
	      SrcPort		      1
	      DstBlock		      "Mux"
	      DstPort		      3
	    }
	  }
	}
	Block {
	  BlockType		  Outport
	  Name			  "binary"
	  Position		  [480, 60, 500, 80]
	}
	Block {
	  BlockType		  Outport
	  Name			  "Symbol"
	  Position		  [480, 140, 500, 160]
	  Port			  "2"
	}
	Line {
	  SrcBlock		  "Bits"
	  SrcPort		  1
	  Points		  [15, 0]
	  Branch {
	    DstBlock		    "delay"
	    DstPort		    1
	  }
	  Branch {
	    DstBlock		    "Shift register"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Shift register"
	  SrcPort		  2
	  Points		  [20, 0]
	  Branch {
	    Points		    [0, -5]
	    DstBlock		    "hold"
	    DstPort		    2
	  }
	  Branch {
	    Points		    [0, 10]
	    DstBlock		    "hold"
	    DstPort		    3
	  }
	}
	Line {
	  SrcBlock		  "clock"
	  SrcPort		  1
	  DstBlock		  "Shift register"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "hold"
	  SrcPort		  1
	  DstBlock		  "D/A "
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Shift register"
	  SrcPort		  1
	  DstBlock		  "hold"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "delay"
	  SrcPort		  1
	  DstBlock		  "binary"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "D/A "
	  SrcPort		  1
	  DstBlock		  "Symbol"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "hold"
	  SrcPort		  2
	  Points		  [10, 0; 0, 35]
	  DstBlock		  "Terminator"
	  DstPort		  1
	}
	Annotation {
	  Name			  "two bits are combined to a 4-ary symbol.\nM"
"SB first"
	  Position		  [267, 7]
	  VerticalAlignment	  "top"
	}
      }
    }
    Block {
      BlockType		      Reference
      Name		      "Channel"
      Ports		      [1, 1]
      Position		      [475, 114, 555, 156]
      SourceBlock	      "librnew/Channel"
      SourceType	      "AWGN channel, fixed parameter"
      m			      "0"
      variance		      "0.001"
      s			      "12345"
    }
    Block {
      BlockType		      Clock
      Name		      "Clock"
      Position		      [275, 225, 295, 245]
      Decimation	      "10"
    }
    Block {
      BlockType		      Clock
      Name		      "Clock1"
      Position		      [495, 20, 515, 40]
      Decimation	      "10"
    }
    Block {
      BlockType		      SubSystem
      Name		      "Error rate"
      Ports		      [2]
      Position		      [910, 225, 990, 265]
      Orientation	      "down"
      CopyFcn		      "sbiterr([],[],[],'CopyBlock')"
      DeleteFcn		      "sbiterr([],[],[],'DeleteBlock')"
      LoadFcn		      "sbiterr([],[],[],'LoadBlock')"
      StartFcn		      "sbiterr([],[],[],'Start')"
      StopFcn		      "sbiterr([],[],[],'Stop')"
      NameChangeFcn	      "sbiterr([],[],[],'NameChange')"
      ShowPortLabels	      off
      TreatAsAtomicUnit	      off
      MaskType		      "Symbol/bit error counter"
      MaskDescription	      "Use the input data from the 1st port as the ref"
"erence signal to detect the number of errors and error rate of the 2nd signal"
"."
      MaskHelp		      "The signal from the first port must be a scalar"
". The second input port can be a vector with a delay to the first port signal"
". The comparison happens only at the sampling point."
      MaskPromptString	      "Bit per symbol:|Number of digits on display:|De"
"lay between 1st port and 2nd port:|Sample time (sec):"
      MaskStyleString	      "edit,edit,edit,edit"
      MaskTunableValueString  "on,on,on,on"
      MaskCallbackString      "|||"
      MaskEnableString	      "on,on,on,on"
      MaskVisibilityString    "on,on,on,on"
      MaskToolTipString	      "on,on,on,on"
      MaskVarAliasString      ",,,"
      MaskInitialization      "K=@1;num_lin=@2;TDelay=@3;Sample=@4;"
      MaskDisplay	      "disp('Error\\nmeter')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "2|10|12|1"
      System {
	Name			"Error rate"
	Location		[255, 368, 509, 510]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "in_1"
	  Position		  [15, 45, 35, 65]
	}
	Block {
	  BlockType		  Inport
	  Name			  "in_2"
	  Position		  [15, 60, 35, 80]
	  Port			  "2"
	}
	Block {
	  BlockType		  Mux
	  Name			  "Mux"
	  Ports			  [2, 1]
	  Position		  [65, 46, 100, 79]
	  Inputs		  "2"
	}
	Block {
	  BlockType		  "S-Function"
	  Name			  "S-function"
	  Ports			  [1]
	  Position		  [130, 52, 195, 78]
	  FunctionName		  "sbiterr"
	  Parameters		  "num_lin, K, TDelay, Sample"
	}
	Line {
	  SrcBlock		  "in_2"
	  SrcPort		  1
	  DstBlock		  "Mux"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "in_1"
	  SrcPort		  1
	  DstBlock		  "Mux"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Mux"
	  SrcPort		  1
	  DstBlock		  "S-function"
	  DstPort		  1
	}
      }
    }
    Block {
      BlockType		      Fcn
      Name		      "Fcn"
      Position		      [315, 222, 385, 248]
      ShowName		      off
      Expr		      "cos(4*pi*u)"
    }
    Block {
      BlockType		      Fcn
      Name		      "Fcn1"
      Position		      [535, 17, 630, 43]
      ShowName		      off
      Expr		      "2*cos(4*pi*u)"
    }
    Block {
      BlockType		      Gain
      Name		      "Gain"
      Position		      [795, 117, 820, 143]
      Gain		      "1/4"
    }
    Block {
      BlockType		      Gain
      Name		      "Gain1"
      Position		      [310, 112, 335, 138]
      ShowName		      off
      Gain		      "4"
    }
    Block {
      BlockType		      Product
      Name		      "Product"
      Ports		      [2, 1]
      Position		      [405, 117, 430, 148]
      ShowName		      off
    }
    Block {
      BlockType		      Product
      Name		      "Product1"
      Ports		      [2, 1]
      Position		      [660, 112, 685, 143]
      ShowName		      off
    }
    Block {
      BlockType		      SubSystem
      Name		      "Rolloff"
      Ports		      []
      Position		      [205, 76, 312, 96]
      BackgroundColor	      "lightBlue"
      ShowName		      off
      OpenFcn		      "setrobin"
      FontSize		      12
      FontAngle		      "italic"
      ShowPortLabels	      off
      TreatAsAtomicUnit	      off
      MaskType		      "rolloff"
      MaskDisplay	      "disp('Rolloff-Factor')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      System {
	Name			"Rolloff"
	Location		[136, 230, 381, 439]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"cyan"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"A4"
	PaperUnits		"centimeters"
	ZoomFactor		"100"
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "Root-RC\nreceive filter"
      Ports		      [1, 1]
      Position		      [700, 108, 780, 152]
      ShowPortLabels	      off
      TreatAsAtomicUnit	      off
      MaskType		      "R-C filter"
      MaskDescription	      "Design a raised cosine filter and use it to fil"
"ter the input signal."
      MaskHelp		      "This block designs a raised cosine filter using"
" the specified parameter. The filter is used to filter the input signal. You "
"can optionally use the sinc filter in the filtering computation."
      MaskPromptString	      "Symbol interval (sec):|Computation sampling tim"
"e (sec):|Filter rolloff factor:|Delay step (integer to multiply symbol interv"
"al):|Filter type (FIR or IIR) / (Normal or Sqrt):|With or without sinc filter"
" (1 or 0, suggest 1):"
      MaskStyleString	      "edit,edit,edit,edit,edit,edit"
      MaskTunableValueString  "on,on,on,on,on,on"
      MaskCallbackString      "|||||"
      MaskEnableString	      "on,on,on,on,on,on"
      MaskVisibilityString    "on,on,on,on,on,on"
      MaskToolTipString	      "on,on,on,on,on,on"
      MaskVarAliasString      ",,,,,"
      MaskInitialization      "td=@1;if length(td)>1,off=td(2);td=td(1);else,o"
"ff=0;end;ts=@2;R=@3;delay=@4;fil=@5;[num,den]=rcosine(1/td(1),1/ts(1),fil,R,d"
"elay);x=@6/2;"
      MaskDisplay	      "disp('R-C\\nfilter')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "1|.05|.5|6|'FIR/Sqrt'|0"
      System {
	Name			"Root-RC\nreceive filter"
	Location		[131, 545, 589, 761]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"