Minor corrections

.gitignore

@@ -1,2 +1,2 @@
 *.pyc
-*.hack
+*.bin

assembler/fibo.py

@@ -0,0 +1,21 @@
+#!/usr/bin/python
+
+a, b, c = 0, 1, 0
+
+print "a b c (fibo ->)"
+print a, b, c
+
+for i in range(12):
+    c = a + b
+    a = b 
+    b = c 
+    print a, b, c
+
+print "a b c (<- ribo)"
+
+for i in range(12):
+    c = b - a
+    b = a 
+    a = c 
+    print a, b, c
+

assembler/ribo.asm

@@ -0,0 +1,16 @@
+# Fibonacci sequence de-generator 
+
+loop: # infinite... 
+	LOAD b
+	SUB a
+	STORE c
+	LOAD a
+	STORE b
+	LOAD c
+	STORE a
+	JUMP loop
+
+# variables 
+.a 144
+.b 233
+.c 0

assembler/tables.py

@@ -1,13 +1,13 @@
-from collections import OrderedDict
-
 inst_table = {
     "ADD"   : "0101",
+    "SUB"   : "0110",
     "LOAD"  : "0100",
     "STORE" : "0011",
     "JUMP"   : "1"
 }
 
-space_table = OrderedDict()
-space_table["code"]   = 128
-space_table["unused"] = 112
-space_table["data"]   =  16
+space_table = {
+    "code"   : 128,
+    "unused" : 112,
+    "data"   :  16
+}