Track

Track is a two-dimensional esoteric programming language made by User:Wh1teWolf. It has a two-dimensional instruction area of 30x? instruction cells, and a one-dimensional memory array,
== Commands ==
Character	What it does
> 	Set the “walking” direction to right.
< 	Set the “walking” direction to left.
^ 	Set the “walking” direction to up.
V 	Set the “walking” direction to down.
@ 	Set the “walking” direction depending on the number under the pointer: 1 = right, 2 = left, 3 = down, 4 = up, otherwise = right.
+ 	Increment the cell under the pointer by one.
- 	Decrement the cell under the pointer by one.
. 	Output the ASCII character associated with the value in the cell under the pointer.
: 	Output the numeric stored in the cell under the pointer.
, 	Input an ASCII character and store it in the cell under the pointer.
; 	Input a number and store it in the cell under the pointer.
0–9 	Move the memory pointer to the cell n.
==Examples==
===Infinite loop===
 V<
 >^
This program shows how the “walking” direction stuff works. The first instruction is V, making the program move down to the next line where there is a > instruction, this changes the “walking” direction to right. We go right one step where there is a ^ and are pointed up to the < instruction, this makes us go left to the starting point and so on...
===Cat program===
 ,.
===Counting from 1 to 10 (looping counter)===
 V V < 
 >1++++++++++++++>1-0+:1@^ 
This example could also be written like this (which is the best way of doing it):
 ++++++++++++++>0-1+:0@V 
 ^ < 
===99 bottles of beer===
 3++++++++++++++++++++++++++++ 
 +++++++++++++++++++++++++++++ 
 +++++++++++++++++++++++++++++ 
 +++++++++++++++++0 
 +++++++++++++++++++++++++++++ 
 +++++++++++++++++++++++++++++ 
 +++++++++++++++++++++++++++++ 
 ++++++++++++ 
 
 2++++++++++++++++++++++++++++ 
 ++++0 
 
 V 0<
 >:2.1++++++++++++++++++++++++ 
 +++++++++++++++++++++++++++++ 
 +++++++++++++.+++++++++++++.+ 
 ++++..--------.-------.++++++ 
 ++++++++.2.1----.---------.2. 
 1----.+++..+++++++++++++.2.1- 
 --.-.2.1++++++.------------.- 
 --.2.1++++++++++++++++++.---- 
 ------------------.++++++++++ 
 +..2++++++++++++.------------ 
 .0:2.1----------.++++++++++++ 
 +.+++++..--------.-------.+++ 
 +++++++++++.2.1----.--------- 
 .2.1----.+++..+++++++++++++.2 
 ++++++++++++++.-------------- 
 4++++++++++.1++.------------- 
 ------.++++++++++.------.2.1+ 
 +++++++++.-.---------.2.1-.++ 
 +++++++++.++++++++.---------. 
 2.1++.---------------.+++++++ 
 +++++++++++..2.1----------.++ 
 +++++++++.2.1---------------- 
 ---.+++++++++++++++++.---.+++ 
 +++.-------.----------.2+++++ 
 +++++++.------------.0-:2.1-- 
 .+++++++++++++.+++++..------- 
 -.-------.++++++++++++++.2.1- 
 ---.---------.2.1----.+++..++ 
 +++++++++++.2.1---.-.2.1+++++ 
 +.------------.---.2.1+++++++ 
 +++++++++++.----------------- 
 -----.+++++++++++..2+++++++++ 
 +++++.--------------4..------ 
 ----1------------------------ 
 ----------------------------- 
 ----------------------- 
 V>V< 
 >3-@ ^
==Interpreter==
* Common Lisp implementation of the Track programming language.
Category:Languages
Category:Implemented
Category:Low-level
Category:Brainfuck derivatives
Category:Cell-based
Category:Turing complete
Category:Turing tarpits
Category:2009
Category:Two-dimensional languages