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index.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style>
select{
float:left;
}
textarea {
width:750px;
height:750px;
}
</style>
<script type="text/javascript" src="bfjs.js"></script>
</head>
<body>
<select id="examples" onchange="example()">
<option>Select a value</option>
<option value="===================================================================
======================== OUTPUT STRING ============================
===================================================================
>++++++++[<++++++++>-]<++++++++++++++++.[-]
>++++++++++[<++++++++++>-]<++++++++++++++.[-]
>++++++++++[<++++++++++>-]<+++++.[-]
>++++++++++[<++++++++++>-]<+++++++++.[-]
>++++++++++[<++++++++++>-]<+.[-]
>++++++++++[<++++++++++>-]<+++++++++++++++.[-]
>+++++[<+++++>-]<+++++++.[-]
>++++++++++[<++++++++++>-]<+++++++++++++++++.[-]
>++++++++++[<++++++++++>-]<++++++++++++.[-]
>+++++[<+++++>-]<+++++++.[-]
>++++++++++[<++++++++++>-]<++++++++++++++++.[-]
>++++++++++[<++++++++++>-]<+++++++++++.[-]
>+++++++[<+++++++>-]<+++++++++.[-]
>+++++[<+++++>-]<+++++++.[-]
===================================================================
======================== INPUT NUMBER ============================
===================================================================
+ cont=1
[
- cont=0
>,
======SUB10======
----------
[ not 10
<+> cont=1
=====SUB38======
----------
----------
----------
--------
>
=====MUL10=======
[>+>+<<-]>>[<<+>>-]< dup
>>>+++++++++
[
<<<
[>+>+<<-]>>[<<+>>-]< dup
[<<+>>-]
>>-
]
<<<[-]<
======RMOVE1======
<
[>+<-]
]
<
]
>>[<<+>>-]<<
===================================================================
======================= PROCESS NUMBER ===========================
===================================================================
==== ==== ==== ====
numd numu teid teiu
==== ==== ==== ====
>+<-
[
>+
======DUP======
[>+>+<<-]>>[<<+>>-]<
>+<--
>>>>>>>>+<<<<<<<< isprime=1
[
>+
<-
=====DUP3=====
<[>>>+>+<<<<-]>>>>[<<<<+>>>>-]<<<
=====DUP2=====
>[>>+>+<<<-]>>>[<<<+>>>-]<<< <
>>>
====DIVIDES=======
[>+>+<<-]>>[<<+>>-]< DUP i=div
<<
[
>>>>>+ bool=1
<<<
[>+>+<<-]>>[<<+>>-]< DUP
[>>[-]<<-] IF i THEN bool=0
>>
[ IF i=0
<<<<
[>+>+<<-]>>[<<+>>-]< i=div
>>>
- bool=0
]
<<<
- DEC i
<<
-
]
+>>[<<[-]>>-]<<
>[-]< CLR div
=====END DIVIDES====
[>>>>>>[-]<<<<<<-] if divides then isprime=0
<<
>>[-]>[-]<<<
]
>>>>>>>>
[
-
<<<<<<<[-]<<
[>>+>+<<<-]>>>[<<<+>>>-]<<<
>>
===================================================================
======================== OUTPUT NUMBER ===========================
===================================================================
[>+<-]>
[
======DUP======
[>+>+<<-]>>[<<+>>-]<
======MOD10====
>+++++++++<
[
>>>+<< bool= 1
[>+>[-]<<-] bool= ten==0
>[<+>-] ten = tmp
>[<<++++++++++>>-] if ten=0 ten=10
<<- dec ten
<- dec num
]
+++++++++ num=9
>[<->-]< dec num by ten
=======RROT======
[>+<-]
< [>+<-]
< [>+<-]
>>>[<<<+>>>-]
<
=======DIV10========
>+++++++++<
[
>>>+<< bool= 1
[>+>[-]<<-] bool= ten==0
>[<+>-] ten = tmp
>[<<++++++++++>>>+<-] if ten=0 ten=10 inc div
<<- dec ten
<- dec num
]
>>>>[<<<<+>>>>-]<<<< copy div to num
>[-]< clear ten
=======INC1=========
<+>
]
<
[
=======MOVER=========
[>+<-]
=======ADD48========
+++++++[<+++++++>-]<->
=======PUTC=======
<.[-]>
======MOVEL2========
>[<<+>>-]<
<-
]
>++++[<++++++++>-]<.[-]
===================================================================
=========================== END FOR ===============================
===================================================================
>>>>>>>
]
<<<<<<<<
>[-]<
[-]
<<-
]
======LF========
++++++++++.[-]">Prime</option>
<option value=">>>>>>>>>>>>>>>>>>>>+++++>+>+>+>+++>+>+++++>+>++>++>++++++>+>++>+++>++++
+>+>++++>+>++++++>+>+++>+>+++++>+>++++>+>++>+>+>+>++>++>+++++>++>++++>+>
++>+>+>++++++++>+++>+>++++++>+>+>+++++++++>+++++>+>++++>+>++++++>+>+++++
++>+>+>+++++++++>++++++>+>+++>+>+++++>+>++++>+>++>+>+>+>+++>+>++++++>+>+
>+>++>+>+++++>++>++++>+>++++++>+>+++>+>++++>+>++>+>++++++>+>+++>+>+++++>
+>++++>+>++>++>+>+>+++>++>++++++>+>++>++>+++++>+>++++>+>+++>++>+>+>++>+>
+>+>++>+>++++++>+>++++>+>+++>+++++>+++++>+>++>++>++++>+>++++++>+>+>+>++>
+>+++++++>+>+++>+>+++++>+>++++>+>+++>++>+>+>+++++>+>++++>+>++>++>+>+>+++
>++>++++++>++>+++>+>+++++>+>++++>+>+++>+>+>+>++>+>++++++>+>+++>+>+++++>+
>++++>+>++>++>+>+>+++>+>+>+>+++>+>++++++>+>+++>+>++++++>+>+++>+>+++++>+>
+++>++>++++++>+>+++>+>+++++>+>++++>+>+++>++>+++++>+>++>++>++++++>+>++>++
+>+>+>+++>++>+++++>+>+++>++>++++++>+>+++>+>++++++>+>+++>+>+++++>+>++++>+
>+++>+>+++++>+>++>++>++++++>+>++>++>+>+>+++>+>+++++>+>+++>++>++++++>+>++
+>++>++++++>+>++++>+>++++++>+>+>++>+++>+>+++++>+>++++>+>++>+>+>+++>+++>+
>++++++>+>+>++++++>++>++>+>++>+++++>+>++>++>++++++>+>++>+>++++>+>++>+>++
++>+>++>+>+++++>+>+++>+>+++++>+>+++>++>++++++>+>+++>+>+>+>++>+>+>++>++++
+>+>++>++>++++++>+>++>++++>+++++>+>++++>+>+++>+>+++++>+>+++>++>++++++>+>
+++>++>+>+>+++>+>+++++>+>++>++>++++++>+>++>++>++>++>+>+>++>++>++++++>+>+
++>++>+++++>+>+++>++>++++++>+>+++>++>+>+>++>+>+>+>++>+>+>++>+++++>+>++>+
+>++++++>+>++>+++>+++++>+>++++>+>+++>+>+++++>+>+++>++>++++++>+>+++>+>+>+
>+++>+>+++++>+>++>++>++++++>+>++>+++>+>+>++>++>++++++>+>+++>+>+++++>+>++
+>++>++++++>+>+++>++>+>+>+++++>+>++>++>++++++>+>++>+++>++++++>+>+++>+>++
+++>+>++>++>++++++>+>++>+++>++>++++>+++++>+>++++>+>++>+>+>++++++++>+++>+
>++++++>+>+>+++++++++>++>+>+++++>+>++>++>++++++>+>+>+++>+++>++++>+>++>++
+>++>+>++>+++>++>++++>++>+++>+++++>+++++>+>++++>+>++>+++++++++++>+>+>+++
>+>+++>+>+>+>+++>+++++++++>++++++>+>+>+>+++>+>+++++>+>++++>+>++>+>+>++++
>+++>+>++++++>+>+>+++++++>++>+>+++++>+>++++>+>++>+++++++++++>+>+>+++>++>
+>+>+++>++++>+>+>+++>++>+>+>+++>+++>++++++>+>+>+>+++>+>+++++>+>++++>+>++
>+>+>+++>+++>+>++++++>+>+>+>+>+++++>++>+>+++++>+>++++>+>++>+++++++++++++
>+>+>+++>++>+>+>+++>++>+>+>+++>++>+>+>+++>++>+>+>+++>++>+>+>+++>++>+>+>+
++>+>++++++>+>+>+>+++>+>+++++>+>++++>+>++>+>+>++++++>+++>+>++++++>+>+>++
+++++>+++>+++++>+++++>+>+++>++>++++++>+[<<]<<<<<+++++++[<++++++>-]<+[<+<
<+<<+<<+<<+<<+<<+>>>>>>>>>>>>>-]>++++++[<+++>-]<+[<<<+<<+<<<<+<<+>>>>>>>
>>>>-]>+++++++[<++++>-]<+[<<<<<<<<<+<<+>>>>>>>>>>>-]<<<<<--<<++<<++<<<<+
++[>>]>+++++++++[<++++++++>-]>>>>>>>[>>]<[>>>[>>]+<<[<<]<[>>+>>>[>>]<+<[
<<]<-]>>>[>>]++>+>+<<[<<]<<[>>+>>>>[>>]<+<<[<<]<-]>>>>[>>]++>+<[<<]<]>->
->[>>]++>>++++++[<+++>-]<++[-[<<[<<]<+>>[>>]<-]<[<[<<]<<+>>>[>>]<<-]<[<<
]<[<[<+<+>>-]<[>+<-]<[[<<+>>-]+<<-]<.>+[->>]<<<<<-[>+>+<<-]>>[<<+>>-]<[>
-<[-]]>+[<+>-]<[+++++++++.[-]+++++++++[<++++++++>-]]>>+>-]<[-]>>>[>>]<+]
">Quine</option>
<option value=" +++++++++++ number of digits to output
> #1
+ initial number
>>>> #5
++++++++++++++++++++++++++++++++++++++++++++ (comma)
> #6
++++++++++++++++++++++++++++++++ (space)
<<<<<< #0
[
> #1
copy #1 to #7
[>>>>>>+>+<<<<<<<-]>>>>>>>[<<<<<<<+>>>>>>>-]
<
divide #7 by 10 (begins in #7)
[
>
++++++++++ set the divisor #8
[
subtract from the dividend and divisor
-<-
if dividend reaches zero break out
copy dividend to #9
[>>+>+<<<-]>>>[<<<+>>>-]
set #10
+
if #9 clear #10
<[>[-]<[-]]
if #10 move remaining divisor to #11
>[<<[>>>+<<<-]>>[-]]
jump back to #8 (divisor possition)
<<
]
if #11 is empty (no remainder) increment the quotient #12
>>> #11
copy to #13
[>>+>+<<<-]>>>[<<<+>>>-]
set #14
+
if #13 clear #14
<[>[-]<[-]]
if #14 increment quotient
>[<<+>>[-]]
<<<<<<< #7
]
quotient is in #12 and remainder is in #11
>>>>> #12
if #12 output value plus offset to ascii 0
[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]
subtract #11 from 10
++++++++++ #12 is now 10
< #11
[->-<]
> #12
output #12 even if it's zero
++++++++++++++++++++++++++++++++++++++++++++++++.[-]
<<<<<<<<<<< #1
check for final number
copy #0 to #3
<[>>>+>+<<<<-]>>>>[<<<<+>>>>-]
<- #3
if #3 output (comma) and (space)
[>>.>.<<<[-]]
<< #1
[>>+>+<<<-]>>>[<<<+>>>-]<<[<+>-]>[<+>-]<<<-
]
">Fib under 100</option>
<option value="This program is supposed to end up to be "FizzBuzz" written in Brainfuck
Print the numbers from 1 to 100 but for multiples of three print "Fizz"
instead of the number and for the multiples of five print "Buzz"
When numbers are both multiples of three and five print "FizzBuzz"
################################################################################
###
+++++ +++++ c0 : Set up the counter to a value of 10
[
>> +++++ +++++ c2 : Increment the cell by 10
<< - c0 : Decrement the cell by 1
]
At this point cell 2 is 100; datapointer is now at cell 0
################################################################################
###
+++++ +++++ c0 : Set cell 0 to the ASCII \n character
> c1
+++++ +++++ c1
+++++ +++++ c1
+++++ +++++ c1
++ c1 : Set cell 2 to the ASCII ' ' character
################################################################################
################################################################################
###
>> c3
+++++ +++++ c3 : Set the value to 10
[
> +++++ c4 : Increment by five
< - c3 : Decrement the counter
]
> - c4 : Decrement c4 from 50 for 49 (ascii "1")
: this will be used as the offset for
: printing
################################################################################
### Start the loop through 1 to 10 and print
<<< .. c1 : Jump to cell one to print two leading spaces
>>> . c4 : Print '1'
< +++++ +++ c3 : Set a counter to 8 to get 1 through 9 printed
[
<<< . c0 : Jump to and print cell 0 (\n)
> .. c1 : Print two leading spaces
>>> + . c4 : Increment cell 4 and print it
< - c3 : Decrement cell 3
]
> ----- ---- c4 : Bring cell four back to ascii '0'
<<<< . c0 : Print a newline after the last 9
################################################################################
### Start the loop through 100
>>>>> +++++ +++++ c5 : Set cell five to the ASCII '1'
+++++ +++++
+++++ +++++
+++++ +++++
+++++ ++++
<< c3
+++++ +++++ c3 : Pre-seed the counter with 10
[
-
<<< c0 : Jumping to cell zero just to give myself a clean slate
>>>>>> +++++ +++++ c6 : Set cell 6 to our nested loop counter
[
- c6 : Decrement counter by one
<<<<< . c1 : Print a leading space
>>>> c5
.
> c6
<< . + c4 : Print our last digit and increment it
>> c6
<<<<<< . c0 : Jump to cell zero to print a newline
>>>>>> c6
]
< + c5 : Increment second digit column in c5
> c6
<< ----- ----- c4 : Clear our last digit printer column
>>
<<<<<< c0
>>> c3
]">FizzBuzz</option>
</select>
<textarea id="code">
</textarea>
<button onclick="Evaluate()">Eval</button>
<textarea id="out"></textarea>
<script>
var code = document.getElementById('code'),
examples = document.getElementById('examples'),
out = document.getElementById('out');
var bfi = new BF.Interpreter(function(cb){cb(window.prompt("input"));}, function(x){out.value += x});
function example(e){
for (var i = 0; i < examples.children.length; i++)
if (examples.children[i].selected)
code.value = examples.children[i].value;
}
function Evaluate(){
out.value = "";
bfi.reset();
bfi.evaluate(code.value);
}
</script>
</body>
</html>