Add some useful developer commands to Utils.py

These can be used in the interactive python shell by importing Utils.py

Utils.py

@@ -72,3 +72,37 @@ def close_console():
             ctypes.windll.kernel32.FreeConsole()
         except Exception:
             pass
+
+def new_logic_array():
+    import random
+    l = list(range(256))
+    random.SystemRandom().shuffle(l)
+    chunks = [l[i:i + 16] for i in range(0, len(l), 16)]
+    lines = [", ".join([str(j) for j in i]) for i in chunks]
+    print("logic_hash = ["+",\n              ".join(lines)+"]")
+
+def make_new_base2current(old_rom='Zelda no Densetsu - Kamigami no Triforce (Japan).sfc', new_rom='working.sfc'):
+    from collections import OrderedDict
+    import json
+    import hashlib
+    with open(old_rom, 'rb') as stream:
+        old_rom_data = bytearray(stream.read())
+    with open(new_rom, 'rb') as stream:
+        new_rom_data = bytearray(stream.read())
+    # extend to 2 mb
+    old_rom_data.extend(bytearray([0x00] * (2097152 - len(old_rom_data))))
+
+    out_data = OrderedDict()
+    for idx, old in enumerate(old_rom_data):
+        new = new_rom_data[idx]
+        if old != new:
+            out_data[idx] = [int(new)]
+    for offset in reversed(list(out_data.keys())):
+        if offset - 1 in out_data:
+            out_data[offset-1].extend(out_data.pop(offset))
+    with open('data/base2current.json', 'wt') as outfile:
+        json.dump([{key:value} for key, value in out_data.items()], outfile, separators=(",", ":"))
+
+    basemd5 = hashlib.md5()
+    basemd5.update(new_rom_data)
+    return "New Rom Hash: " + basemd5.hexdigest()