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// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// See the file ../license.txt
//
function [x,y,typ]=LOGIC(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;exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,mat,herit,exprs]=scicos_getvalue('Set Logic parameters',..
['Truth table';'Inherit(0=no 1=yes)'],..
list('mat',[-1,-2],'vec',1),exprs)
if ~ok then break,end
nout=size(mat,2)
nin=(log(size(mat,1))/log(2))
u1=floor(nin)
if (herit<>0) then herit=1;end;
if (u1<>nin) then message ("The number of rows of the truth table must be a power of two");ok=%f;end
if (find(mat(:)<>0&mat(:)<>1)<>[]) then message ("number in truth table must be 0 or 1");ok=%f;end
if ok then
in=[ones(nin,1) ones(nin,1)]
out=[ones(nout,1) ones(nout,1)]
it=5*ones(1,nin)
ot=5*ones(1,nout)
[model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),ones(1-herit,1),[])
end
if ok then
graphics.exprs=exprs;
mat=int8(mat);
model.opar=list(mat);
x.graphics=graphics;x.model=model;
break
end
end
case 'define' then
mat=[0;0;0;1]
model=scicos_model()
model.sim=list('logic',4)
model.in=[1;1]
model.in2=[1;1]
model.out=1
model.out2=1
model.evtin=1
model.intyp=[5 5]
model.outtyp=5
model.opar=list(int8(mat));
model.blocktype='c'
model.firing=%f
model.dep_ut=[%t %f]
exprs=[sci2exp(mat);sci2exp(0)]
gr_i=['xstringb(orig(1),orig(2),[''Logic''],sz(1),sz(2),''fill'');']
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction
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