Исходник интерпретатора упрошенного brainfuck-a. 
 Code
 
 // © SimTiko 
 uses crt; 
 var p:array[0..1000] of char; 
 var i,n,s,k:integer; 
 var code:string; 
 var kuk:boolean; 
 begin 
 writeln('Введите код'); 
 readln(code); 
 writeln('Старт...'); 
 repeat 
 if code[n]='>' then i:=i+1; 
 if code[n]='<' then i:=i-1; 
 if code[n]='+' then begin k:=integer(p[i])+1; p[i]:=char(k); end; 
 if code[n]='-' then begin k:=integer(p[i])-1; p[i]:=char(k); end; 
 if code[n]='.' then begin write(p[i]); end; 
 if code[n]=',' then read(p[i]); 
 n:=n+1; 
 until n=length(code)+1; 
 end.