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function [x,y,typ]=REGISTER_f(job,arg1,arg2)
// Copyright INRIA
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(2);label=graphics(4)
model=arg1(3);
while %t do
[ok,z0,label]=getvalue('Set delay parameters',..
'Register initial condition',list('vec',-1),label)
if ~ok then break,end
if prod(size(z0))<2 then
message('Register length must be at least 2')
ok=%f
end
if ok then
graphics(4)=label;
model(7)=z0
x(2)=graphics;x(3)=model
break
end
end
x(3)(11)=[] //compatibility
case 'define' then
z0=zeros(10,1)
model=list('delay',1,1,1,[],[],z0,[],[],'d',-1,[%f %f],' ',list())
label=strcat(string(z0),';')
gr_i=['dly=model(8);';
'txt=[''Shift'';''Register'';string(dly)];';
'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'')']
x=standard_define([2.5 2.5],model,label,gr_i)
end
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