Mechanical refactor to rearrange the source files into a more pleasing order.

arch/c64/c64.h

@@ -0,0 +1,21 @@
+#ifndef C64_H
+#define C64_H
+
+#define C64_SECTOR_RECORD    0xffd49
+#define C64_DATA_RECORD      0xffd57
+#define C64_SECTOR_LENGTH    256
+
+class Sector;
+class Fluxmap;
+
+class Commodore64Decoder : public AbstractDecoder
+{
+public:
+    virtual ~Commodore64Decoder() {}
+
+    RecordType advanceToNextRecord();
+    void decodeSectorRecord();
+    void decodeDataRecord();
+};
+
+#endif