From 8e45e34c9b0e236285fbb2eb7d6e57d3d26ee1ce Mon Sep 17 00:00:00 2001
From: overflowerror <mail@overflowerror.com>
Date: Mon, 15 Nov 2021 23:34:18 +0100
Subject: [PATCH] added brainfuck fibonacci

only works for single digit number a the moment
---
 brainfuck/fib.bf | 57 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 brainfuck/fib.bf

diff --git a/brainfuck/fib.bf b/brainfuck/fib.bf
new file mode 100644
index 0000000..7d55049
--- /dev/null
+++ b/brainfuck/fib.bf
@@ -0,0 +1,57 @@
+++++ number of iterations
+>
+++++++++++ dec 10 = \n
+>
+++++++++++++++++++++++++++++++++++++++++++++++++ dec 48 = 0
++.
+<.>
+.-
+<.
+>>
++ value 1
+>
++ value 2
+<<<<
+[ iterate
+        -
+        >>>
+        [ copy value 1 to result
+                -
+                >>+
+                <<
+        ]
+        >
+        [ add value 2 to result and set value 1
+                -
+                >+
+                <<
+                +
+                >
+        ]
+        >
+        [ copy result to value 2 and to ascii
+                -
+                >+
+                <<+
+                >
+        ]
+        <<<
+        [ calculate ascii value; use result for dec 30
+                -
+                >>>+
+                >+
+                <<<<
+        ]
+        >>>
+        [ restore dec 30
+                -
+                <<<+
+                >>>
+        ]
+        >.
+        [ reset ascii
+                -
+        ]
+        <<<<<.
+        <
+]