add linkedlist variant

[bf.git] / README.md

diff --git a/README.md b/README.md
index bf6671f..31f4728 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 # bf, a brainfuck interpreter
 ### Description
 This is my implementation of a [brainfuck][bf] interpreter. It uses a
-potentially infinite stack by reallocating more when necessary.
+potentially infinite stack by reallocating more when necessary. `bf` is an
+implementation with arrays, `bfll` is an implementation where the tape is a
+doubly linked list.
 
 ### Installation
 Compiling is as easy as running `make`
@@ -10,7 +12,7 @@ Cleaning up the mess can be done by running `make clean`
 
 ### Usage
 Say you have a file containing a program on disk called `hello.bf`. Then you
-can run the file by running `./bf hello.bf`.
+can run the file by running `./bf hello.bf` or `./bfll hello.bf`.
 
 ### License
 Do what ever you want with this code.