diff --git a/.gitmodules b/.gitmodules
index 9465ae8aa..338869a93 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "PakLib"]
 	path = PakLib
 	url = https://github.com/RetroView/PakLib.git
+[submodule "NODLib"]
+	path = NODLib
+	url = https://github.com/RetroView/NODLib.git
diff --git a/DNA/DNA.pri b/DNA/DNA.pri
deleted file mode 100644
index efd50f423..000000000
--- a/DNA/DNA.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-include(DNACommon/DNACommon.pri)
-include(DNAMP1/DNAMP1.pri)
-include(DNAMP2/DNAMP2.pri)
-include(DNAMP3/DNAMP3.pri)
-
diff --git a/DNA/DNACommon/DNACommon.hpp b/DataSpec/DNACommon/DNACommon.hpp
similarity index 98%
rename from DNA/DNACommon/DNACommon.hpp
rename to DataSpec/DNACommon/DNACommon.hpp
index 1272cde7d..ce8ff51de 100644
--- a/DNA/DNACommon/DNACommon.hpp
+++ b/DataSpec/DNACommon/DNACommon.hpp
@@ -5,6 +5,9 @@
 #include <CFourCC.hpp>
 #include <CUniqueID.hpp>
 
+namespace Retro
+{
+
 /* This comes up a great deal */
 typedef Athena::io::DNA<Athena::BigEndian> BigDNA;
 
@@ -52,4 +55,6 @@ public:
     {_write(writer);}
 };
 
+}
+
 #endif // __DNA_COMMON_HPP__
diff --git a/DNA/DNACommon/DNACommon.pri b/DataSpec/DNACommon/DNACommon.pri
similarity index 100%
rename from DNA/DNACommon/DNACommon.pri
rename to DataSpec/DNACommon/DNACommon.pri
diff --git a/DNA/DNAMP1/DNAMP1.pri b/DataSpec/DNAMP1/DNAMP1.pri
similarity index 100%
rename from DNA/DNAMP1/DNAMP1.pri
rename to DataSpec/DNAMP1/DNAMP1.pri
diff --git a/DNA/DNAMP1/MLVL.hpp b/DataSpec/DNAMP1/MLVL.hpp
similarity index 99%
rename from DNA/DNAMP1/MLVL.hpp
rename to DataSpec/DNAMP1/MLVL.hpp
index d548e4286..5bf717ddc 100644
--- a/DNA/DNAMP1/MLVL.hpp
+++ b/DataSpec/DNAMP1/MLVL.hpp
@@ -1,5 +1,7 @@
 #include "../DNACommon/DNACommon.hpp"
 
+namespace Retro
+{
 namespace DNAMP1
 {
 
@@ -101,3 +103,4 @@ struct MLVL : public BigDNA
 };
 
 }
+}
diff --git a/DNA/DNAMP2/DNAMP2.pri b/DataSpec/DNAMP2/DNAMP2.pri
similarity index 100%
rename from DNA/DNAMP2/DNAMP2.pri
rename to DataSpec/DNAMP2/DNAMP2.pri
diff --git a/DNA/DNAMP3/DNAMP3.pri b/DataSpec/DNAMP3/DNAMP3.pri
similarity index 100%
rename from DNA/DNAMP3/DNAMP3.pri
rename to DataSpec/DNAMP3/DNAMP3.pri
diff --git a/DataSpec/DataSpec.pro b/DataSpec/DataSpec.pro
new file mode 100644
index 000000000..527377f2b
--- /dev/null
+++ b/DataSpec/DataSpec.pro
@@ -0,0 +1,26 @@
+TEMPLATE = lib
+CONFIG += staticlib c++11
+TARGET = RetroDataSpec
+CONFIG -= Qt
+QT      =
+
+# Get hecl's headers (when built as submodule in hecl's extern)
+INCLUDEPATH += ../../../include \
+    ../../Athena/include \
+    ../NODLib/include
+
+include(../PakLib/PakLib.pri)
+
+include(DNACommon/DNACommon.pri)
+include(DNAMP1/DNAMP1.pri)
+include(DNAMP2/DNAMP2.pri)
+include(DNAMP3/DNAMP3.pri)
+
+HEADERS += \
+    SpecBase.hpp
+
+SOURCES += \
+    SpecMP1.cpp \
+    SpecMP2.cpp \
+    SpecMP3.cpp \
+    SpecBase.cpp
diff --git a/DataSpec/SpecBase.cpp b/DataSpec/SpecBase.cpp
new file mode 100644
index 000000000..fbcad675a
--- /dev/null
+++ b/DataSpec/SpecBase.cpp
@@ -0,0 +1,39 @@
+#include "SpecBase.hpp"
+
+namespace Retro
+{
+
+bool SpecBase::canExtract(const HECL::Database::Project& project, const ExtractPassInfo& info,
+                          HECL::SystemString& reasonNo)
+{
+
+}
+
+void SpecBase::doExtract(const HECL::Database::Project& project, const ExtractPassInfo& info)
+{
+}
+
+bool SpecBase::canCook(const HECL::Database::Project& project, const CookTaskInfo& info,
+                       HECL::SystemString& reasonNo)
+{
+}
+
+void SpecBase::doCook(const HECL::Database::Project& project, const CookTaskInfo& info)
+{
+}
+
+bool SpecBase::canPackage(const HECL::Database::Project& project, const PackagePassInfo& info,
+                          HECL::SystemString& reasonNo)
+{
+}
+
+void SpecBase::gatherDependencies(const HECL::Database::Project& project, const PackagePassInfo& info,
+                                  std::unordered_set<HECL::ProjectPath>& implicitsOut)
+{
+}
+
+void SpecBase::doPackage(const HECL::Database::Project& project, const PackagePassInfo& info)
+{
+}
+
+}
diff --git a/DataSpec/SpecBase.hpp b/DataSpec/SpecBase.hpp
new file mode 100644
index 000000000..2e24505ef
--- /dev/null
+++ b/DataSpec/SpecBase.hpp
@@ -0,0 +1,53 @@
+#ifndef SPECBASE_HPP
+#define SPECBASE_HPP
+
+#include <functional>
+
+#include <NODLib.hpp>
+#include <HECLDatabase.hpp>
+
+namespace Retro
+{
+
+struct SpecBase : public HECL::Database::IDataSpec
+{
+    bool canExtract(const HECL::Database::Project& project, const ExtractPassInfo& info,
+                    HECL::SystemString& reasonNo);
+    void doExtract(const HECL::Database::Project& project, const ExtractPassInfo& info);
+
+    bool canCook(const HECL::Database::Project& project, const CookTaskInfo& info,
+                 HECL::SystemString& reasonNo);
+    void doCook(const HECL::Database::Project& project, const CookTaskInfo& info);
+
+    bool canPackage(const HECL::Database::Project& project, const PackagePassInfo& info,
+                    HECL::SystemString& reasonNo);
+    void gatherDependencies(const HECL::Database::Project& project, const PackagePassInfo& info,
+                            std::unordered_set<HECL::ProjectPath>& implicitsOut);
+    void doPackage(const HECL::Database::Project& project, const PackagePassInfo& info);
+
+    virtual bool checkFromGCNDisc(const NOD::DiscGCN& disc)=0;
+    virtual bool readFromGCNDisc(const NOD::DiscGCN& disc)=0;
+
+    virtual bool checkFromWiiDisc(const NOD::DiscWii& disc)=0;
+    virtual bool readFromWiiDisc(const NOD::DiscWii& disc)=0;
+
+    virtual bool checkFromProject(const HECL::Database::Project& proj)=0;
+    virtual bool readFromProject(const HECL::Database::Project& proj)=0;
+
+    virtual bool visitGameObjects(std::function<bool(const HECL::Database::ObjectBase&)>)=0;
+    struct ILevelSpec
+    {
+        virtual bool visitLevelObjects(std::function<bool(const HECL::Database::ObjectBase&)>)=0;
+        struct IAreaSpec
+        {
+            virtual bool visitAreaObjects(std::function<bool(const HECL::Database::ObjectBase&)>)=0;
+        };
+        virtual bool visitAreas(std::function<bool(const IAreaSpec&)>)=0;
+    };
+    virtual bool visitLevels(std::function<bool(const ILevelSpec&)>)=0;
+};
+
+}
+
+#endif // SPECBASE_HPP
+
diff --git a/DataSpec/SpecMP1.cpp b/DataSpec/SpecMP1.cpp
new file mode 100644
index 000000000..7e70996c3
--- /dev/null
+++ b/DataSpec/SpecMP1.cpp
@@ -0,0 +1,61 @@
+#include "SpecBase.hpp"
+
+namespace Retro
+{
+
+struct SpecMP1 : public SpecBase
+{
+    bool checkFromGCNDisc(const NOD::DiscGCN& disc)
+    {
+    }
+    bool readFromGCNDisc(const NOD::DiscGCN& disc)
+    {
+    }
+
+    bool checkFromWiiDisc(const NOD::DiscWii& disc)
+    {
+    }
+    bool readFromWiiDisc(const NOD::DiscWii& disc)
+    {
+    }
+
+    bool checkFromProject(const HECL::Database::Project& proj)
+    {
+    }
+    bool readFromProject(const HECL::Database::Project& proj)
+    {
+    }
+
+    bool visitGameObjects(std::function<bool(const HECL::Database::ObjectBase&)>)
+    {
+    }
+    struct LevelSpec : public ILevelSpec
+    {
+        bool visitLevelObjects(std::function<bool(const HECL::Database::ObjectBase&)>)
+        {
+        }
+        struct AreaSpec : public IAreaSpec
+        {
+            bool visitAreaObjects(std::function<bool(const HECL::Database::ObjectBase&)>)
+            {
+            }
+        };
+        bool visitAreas(std::function<bool(const IAreaSpec&)>)
+        {
+        }
+    };
+    bool visitLevels(std::function<bool(const ILevelSpec&)>)
+    {
+    }
+};
+
+static HECL::Database::DataSpecEntry SpecMP1
+(
+    _S("MP1"),
+    _S("Data specification for original Metroid Prime engine"),
+    [](HECL::Database::DataSpecTool) -> HECL::Database::IDataSpec* {return new struct SpecMP1;}
+);
+
+}
+
+
diff --git a/DataSpec/SpecMP2.cpp b/DataSpec/SpecMP2.cpp
new file mode 100644
index 000000000..f17c1db50
--- /dev/null
+++ b/DataSpec/SpecMP2.cpp
@@ -0,0 +1,8 @@
+#include "SpecBase.hpp"
+
+static HECL::Database::DataSpecEntry SpecMP2
+(
+    _S("MP2"),
+    _S("Data specification for original Metroid Prime 2 engine"),
+    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {}
+);
diff --git a/DataSpec/SpecMP3.cpp b/DataSpec/SpecMP3.cpp
new file mode 100644
index 000000000..754385817
--- /dev/null
+++ b/DataSpec/SpecMP3.cpp
@@ -0,0 +1,9 @@
+#include "SpecBase.hpp"
+
+static HECL::Database::DataSpecEntry SpecMP3
+(
+    _S("MP3"),
+    _S("Data specification for original Metroid Prime 3 engine"),
+    [](HECL::Database::DataSpecTool tool) -> HECL::Database::IDataSpec* {}
+);
+
diff --git a/NODLib b/NODLib
new file mode 160000
index 000000000..a1b2a262b
--- /dev/null
+++ b/NODLib
@@ -0,0 +1 @@
+Subproject commit a1b2a262bf4a4847eda00790da77a1a5289ddba1
diff --git a/RetroCommon.pri b/RetroCommon.pri
deleted file mode 100644
index bd76566a6..000000000
--- a/RetroCommon.pri
+++ /dev/null
@@ -1,13 +0,0 @@
-INCLUDEPATH += $$PWD/DNA $$PWD/include
-
-include(../libSquish/libSquish.pri)
-include(PakLib/PakLib.pri)
-
-HEADERS += \
-    $$PWD/include/RetroCommon.hpp
-
-SOURCES += \
-    $$PWD/src/RetroCommon.cpp \
-    $$PWD/src/MREADecompress.cpp
-
-include(DNA/DNA.pri)
diff --git a/RetroCommon.pro b/RetroCommon.pro
new file mode 100644
index 000000000..3ddb9761a
--- /dev/null
+++ b/RetroCommon.pro
@@ -0,0 +1,6 @@
+TEMPLATE = subdirs
+CONFIG -= Qt
+QT      =
+
+SUBDIRS += DataSpec NODLib/lib
+