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BINREG_c

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//BINREG_c Scicos Binary shift register function block
//Classical interface function ver1.0 - scilab-4.1
//20 mars 2007 - INRIA - Author : A.Layec
function [x,y,typ]=BINREG_c(job,arg1,arg2)
x=[];y=[];typ=[]
select job
case 'plot' then
  standard_draw(arg1)
case 'getinputs' then
  [x,y,typ]=standard_inputs(arg1)
case 'getoutputs' then
  [x,y,typ]=standard_outputs(arg1)
case 'getorigin' then
  [x,y]=standard_origin(arg1)
case 'set' then
   x=arg1;
   graphics=arg1.graphics;model=arg1.model;
   exprs=graphics.exprs;

   while %t do
      [ok,nbit,nw,ci,cc2_in,cc2_out,exprs]=getvalue('Scicos Binary shift register block',...
       ['Number of bit';'Number of word';'Output initial condition';
        '2''s complement in input (0:No/1:Yes)';...
        '2''s complement in output (0:No/1:Yes)'],...
        list('vec',-1,'vec',-1,'vec',-1,'vec',-1,'vec',-1),exprs);

      if ~ok then break,end;

      if(size(nbit)==size(nw)&...
         size(nbit)==size(ci)&...
         size(nbit)==size(cc2_in)&...
         size(nbit)==size(cc2_out)) then
           if ok then
             Nu=size(nbit,'*');
             graphics.exprs=exprs
             ipar=[cc2_in(:);cc2_out(:);nbit(:);nw(:)]
             model.ipar=ipar(:)
             model.dstate=ci(:)
             model.in=Nu;
             model.out=Nu
             [model,graphics,ok]=check_io(model,graphics,Nu,Nu,[1;1],[]);
             x.graphics=graphics; x.model=model;
             break;
           end
      else
        message('Inconsistent parameters dimensions');
      end
   end

case 'define' then
   Nu=1
   cc2_in=1
   cc2_out=1
   ci=0
   nbit=3
   nw=4

   model=scicos_model()
   model.sim=list('binreg',4)
   model.in=Nu
   model.out=Nu
   model.evtin=[1;1]
   model.evtout=[]
   model.dstate=ci
   model.rpar=[]
   model.ipar=[cc2_in;cc2_out;nbit;nw]
   model.blocktype='d'
   model.firing=[]
   model.dep_ut=[%f %f]

   gr_i=['txt=[''  Binary'';''Shift Reg.''];';
     'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');']

   exprs=[string(nbit),string(nw),string(ci),string(cc2_in),string(cc2_out)]

   x=standard_define([2 2],model,exprs,gr_i)
end
endfunction