Brainfunk

Brainfunk

Brainfunk is a extension of brainfuck with same eight commands and more eight commands.

Common brainfuck uses only two tapes, a tape for code and a tape for data, brainfunk have also a tape for I/O.

That tape could point to diferent devices as need, mapped as tape cells.

Command	Description
>	Move the pointer to the right
<	Move the pointer to the left
+	Increment the memory cell at the pointer
-	Decrement the memory cell at the pointer
.	Output the character signified by the cell at the pointer
,	Input a character and store it in the cell at the pointer
[	Jump past the matching ] if the cell at the pointer is 0
]	Jump back to the matching [ if the cell at the pointer is nonzero

Command	Description
=	swap tapes
&	reset
%	halt
$	nop
~	unary negation
!	reserved, nop
?	reserved, nop
@	reserved, nop

To move the I/O tape forward or backward, use '=' to swap which tape is moved by '<' and '>'.

To copy a byte from data tape into i/o tape use '.' and to copy a byte from i/o tape into data tape use ','.

Also, when in homebrew computers, use '&' for reset, '%' for halt, '$' for nop, '~' for unary negation, reserves '?', '!', '@' for future expansion, by now all are nop.