diff --git a/.gitignore b/.gitignore
index d68b69c..641f274 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,9 @@
 *.dSYM
 /.vs/
 /packages/
-/saves/
+/saves/*
+!/saves/SAV_TESTS/
+!/saves/testyourmine's/
 *.o
 /sm
 /build/
diff --git a/saves/SAV_TESTS/001-controller-inputs.sav b/saves/SAV_TESTS/001-controller-inputs.sav
new file mode 100644
index 0000000..b3a6bbb
Binary files /dev/null and b/saves/SAV_TESTS/001-controller-inputs.sav differ
diff --git a/saves/SAV_TESTS/002-intro.sav b/saves/SAV_TESTS/002-intro.sav
new file mode 100644
index 0000000..d302777
Binary files /dev/null and b/saves/SAV_TESTS/002-intro.sav differ
diff --git a/saves/SAV_TESTS/101-shine-spark.sav b/saves/SAV_TESTS/101-shine-spark.sav
new file mode 100644
index 0000000..1bbc645
Binary files /dev/null and b/saves/SAV_TESTS/101-shine-spark.sav differ
diff --git a/saves/SAV_TESTS/102-moon-fall.sav b/saves/SAV_TESTS/102-moon-fall.sav
new file mode 100644
index 0000000..ce060f4
Binary files /dev/null and b/saves/SAV_TESTS/102-moon-fall.sav differ
diff --git a/saves/SAV_TESTS/103-mock-ball.sav b/saves/SAV_TESTS/103-mock-ball.sav
new file mode 100644
index 0000000..30d611e
Binary files /dev/null and b/saves/SAV_TESTS/103-mock-ball.sav differ
diff --git a/saves/SAV_TESTS/104-crystal-flash.sav b/saves/SAV_TESTS/104-crystal-flash.sav
new file mode 100644
index 0000000..b56a9f3
Binary files /dev/null and b/saves/SAV_TESTS/104-crystal-flash.sav differ
diff --git a/saves/SAV_TESTS/201-alcatraz-escape.sav b/saves/SAV_TESTS/201-alcatraz-escape.sav
new file mode 100644
index 0000000..cf82b3b
Binary files /dev/null and b/saves/SAV_TESTS/201-alcatraz-escape.sav differ
diff --git a/saves/SAV_TESTS/202-green-gate-glitch.sav b/saves/SAV_TESTS/202-green-gate-glitch.sav
new file mode 100644
index 0000000..9bd095e
Binary files /dev/null and b/saves/SAV_TESTS/202-green-gate-glitch.sav differ
diff --git a/saves/SAV_TESTS/999-black-out.sav b/saves/SAV_TESTS/999-black-out.sav
new file mode 100644
index 0000000..990fc11
Binary files /dev/null and b/saves/SAV_TESTS/999-black-out.sav differ
diff --git a/saves/testyourmine's/100 Percent.sav b/saves/testyourmine's/100 Percent.sav
new file mode 100644
index 0000000..9544428
Binary files /dev/null and b/saves/testyourmine's/100 Percent.sav differ
diff --git a/saves/testyourmine's/Baby Metroid.sav b/saves/testyourmine's/Baby Metroid.sav
new file mode 100644
index 0000000..25e60a1
Binary files /dev/null and b/saves/testyourmine's/Baby Metroid.sav differ
diff --git a/saves/testyourmine's/Bluesuit.sav b/saves/testyourmine's/Bluesuit.sav
new file mode 100644
index 0000000..20a8ecf
Binary files /dev/null and b/saves/testyourmine's/Bluesuit.sav differ
diff --git a/saves/testyourmine's/Bomb Torizo.sav b/saves/testyourmine's/Bomb Torizo.sav
new file mode 100644
index 0000000..c959177
Binary files /dev/null and b/saves/testyourmine's/Bomb Torizo.sav differ
diff --git a/saves/testyourmine's/Botwoon.sav b/saves/testyourmine's/Botwoon.sav
new file mode 100644
index 0000000..0215f5f
Binary files /dev/null and b/saves/testyourmine's/Botwoon.sav differ
diff --git a/saves/testyourmine's/Brinstar Pirates Appear.sav b/saves/testyourmine's/Brinstar Pirates Appear.sav
new file mode 100644
index 0000000..0b9898b
Binary files /dev/null and b/saves/testyourmine's/Brinstar Pirates Appear.sav differ
diff --git a/saves/testyourmine's/Crocomire.sav b/saves/testyourmine's/Crocomire.sav
new file mode 100644
index 0000000..1b0458b
Binary files /dev/null and b/saves/testyourmine's/Crocomire.sav differ
diff --git a/saves/testyourmine's/Draygon.sav b/saves/testyourmine's/Draygon.sav
new file mode 100644
index 0000000..2764d54
Binary files /dev/null and b/saves/testyourmine's/Draygon.sav differ
diff --git a/saves/testyourmine's/Golden Torizo.sav b/saves/testyourmine's/Golden Torizo.sav
new file mode 100644
index 0000000..335d12c
Binary files /dev/null and b/saves/testyourmine's/Golden Torizo.sav differ
diff --git a/saves/testyourmine's/Gravity Suit.sav b/saves/testyourmine's/Gravity Suit.sav
new file mode 100644
index 0000000..3b7776e
Binary files /dev/null and b/saves/testyourmine's/Gravity Suit.sav differ
diff --git a/saves/testyourmine's/Green Brinstar.sav b/saves/testyourmine's/Green Brinstar.sav
new file mode 100644
index 0000000..d42f3c3
Binary files /dev/null and b/saves/testyourmine's/Green Brinstar.sav differ
diff --git a/saves/testyourmine's/Kraid's Lair.sav b/saves/testyourmine's/Kraid's Lair.sav
new file mode 100644
index 0000000..ccb749f
Binary files /dev/null and b/saves/testyourmine's/Kraid's Lair.sav differ
diff --git a/saves/testyourmine's/Kraid.sav b/saves/testyourmine's/Kraid.sav
new file mode 100644
index 0000000..3d27030
Binary files /dev/null and b/saves/testyourmine's/Kraid.sav differ
diff --git a/saves/testyourmine's/Lower Maridia.sav b/saves/testyourmine's/Lower Maridia.sav
new file mode 100644
index 0000000..0534bc9
Binary files /dev/null and b/saves/testyourmine's/Lower Maridia.sav differ
diff --git a/saves/testyourmine's/Lower Norfair.sav b/saves/testyourmine's/Lower Norfair.sav
new file mode 100644
index 0000000..de3c15e
Binary files /dev/null and b/saves/testyourmine's/Lower Norfair.sav differ
diff --git a/saves/testyourmine's/Mother Brain Phase 1.sav b/saves/testyourmine's/Mother Brain Phase 1.sav
new file mode 100644
index 0000000..ff0b2f8
Binary files /dev/null and b/saves/testyourmine's/Mother Brain Phase 1.sav differ
diff --git a/saves/testyourmine's/Mother Brain Phase 2.sav b/saves/testyourmine's/Mother Brain Phase 2.sav
new file mode 100644
index 0000000..2bd9319
Binary files /dev/null and b/saves/testyourmine's/Mother Brain Phase 2.sav differ
diff --git a/saves/testyourmine's/Mother Brain Phase 3.sav b/saves/testyourmine's/Mother Brain Phase 3.sav
new file mode 100644
index 0000000..890ecaa
Binary files /dev/null and b/saves/testyourmine's/Mother Brain Phase 3.sav differ
diff --git a/saves/testyourmine's/Norfair Enter.sav b/saves/testyourmine's/Norfair Enter.sav
new file mode 100644
index 0000000..6a0576a
Binary files /dev/null and b/saves/testyourmine's/Norfair Enter.sav differ
diff --git a/saves/testyourmine's/Phantoon.sav b/saves/testyourmine's/Phantoon.sav
new file mode 100644
index 0000000..3096926
Binary files /dev/null and b/saves/testyourmine's/Phantoon.sav differ
diff --git a/saves/testyourmine's/Red Brinstar Enter.sav b/saves/testyourmine's/Red Brinstar Enter.sav
new file mode 100644
index 0000000..8a54897
Binary files /dev/null and b/saves/testyourmine's/Red Brinstar Enter.sav differ
diff --git a/saves/testyourmine's/Red Brinstar Escape.sav b/saves/testyourmine's/Red Brinstar Escape.sav
new file mode 100644
index 0000000..bfa5a4c
Binary files /dev/null and b/saves/testyourmine's/Red Brinstar Escape.sav differ
diff --git a/saves/testyourmine's/Ridley.sav b/saves/testyourmine's/Ridley.sav
new file mode 100644
index 0000000..3cfb087
Binary files /dev/null and b/saves/testyourmine's/Ridley.sav differ
diff --git a/saves/testyourmine's/Spore Spawn Defeat.sav b/saves/testyourmine's/Spore Spawn Defeat.sav
new file mode 100644
index 0000000..b60681b
Binary files /dev/null and b/saves/testyourmine's/Spore Spawn Defeat.sav differ
diff --git a/saves/testyourmine's/Spore Spawn.sav b/saves/testyourmine's/Spore Spawn.sav
new file mode 100644
index 0000000..2de71ef
Binary files /dev/null and b/saves/testyourmine's/Spore Spawn.sav differ
diff --git a/saves/testyourmine's/Tourian.sav b/saves/testyourmine's/Tourian.sav
new file mode 100644
index 0000000..7d3bf9a
Binary files /dev/null and b/saves/testyourmine's/Tourian.sav differ
diff --git a/saves/testyourmine's/Wrecked Ship.sav b/saves/testyourmine's/Wrecked Ship.sav
new file mode 100644
index 0000000..635e8af
Binary files /dev/null and b/saves/testyourmine's/Wrecked Ship.sav differ
diff --git a/saves/testyourmine's/Zebes Escape.sav b/saves/testyourmine's/Zebes Escape.sav
new file mode 100644
index 0000000..883f690
Binary files /dev/null and b/saves/testyourmine's/Zebes Escape.sav differ
diff --git a/saves/testyourmine's/Zebes Landing.sav b/saves/testyourmine's/Zebes Landing.sav
new file mode 100644
index 0000000..3d296d0
Binary files /dev/null and b/saves/testyourmine's/Zebes Landing.sav differ
diff --git a/saves/testyourmine's/sm.srm b/saves/testyourmine's/sm.srm
new file mode 100644
index 0000000..78eddc3
Binary files /dev/null and b/saves/testyourmine's/sm.srm differ
diff --git a/saves/testyourmine's/sm.srm.bak b/saves/testyourmine's/sm.srm.bak
new file mode 100644
index 0000000..400c63a
Binary files /dev/null and b/saves/testyourmine's/sm.srm.bak differ
diff --git a/sm.ini b/sm.ini
index 3b2fae5..de27fad 100644
--- a/sm.ini
+++ b/sm.ini
@@ -93,6 +93,8 @@ Replay= Ctrl+F1,Ctrl+F2,Ctrl+F3,Ctrl+F4,Ctrl+F5,Ctrl+F6,Ctrl+F7,Ctrl+F8,Ctrl+F9,
 LoadRef = 1,2,3,4,5,6,7,8,9,0,-,=,Backspace
 ReplayRef = Ctrl+1,Ctrl+2,Ctrl+3,Ctrl+4,Ctrl+5,Ctrl+6,Ctrl+7,Ctrl+8,Ctrl+9,Ctrl+0,Ctrl+-,Ctrl+=,Ctrl+Backspace
 
+SavTests = Shift+Ctrl+a
+
 [GamepadMap]
 # Any keys used in KeyMap can be used also in this section.
 # The shoulder button is called L1/Lb and L2, and the thumbstick button is called L3
diff --git a/src/config.c b/src/config.c
index e819119..66a70a8 100644
--- a/src/config.c
+++ b/src/config.c
@@ -61,6 +61,7 @@ static const KeyNameId kKeyNameId[] = {
   S(CheatLife), S(CheatJump), S(ToggleWhichFrame),
   S(ClearKeyLog), S(StopReplay), S(Fullscreen), S(Reset),
   S(Pause), S(PauseDimmed), S(Turbo), S(ReplayTurbo), S(WindowBigger), S(WindowSmaller), S(VolumeUp), S(VolumeDown), S(DisplayPerf), S(ToggleRenderer),
+  S(SavTests)
 };
 #undef S
 #undef M
diff --git a/src/config.h b/src/config.h
index 724965e..4cce8db 100644
--- a/src/config.h
+++ b/src/config.h
@@ -34,6 +34,7 @@ enum {
   kKeys_VolumeUp,
   kKeys_VolumeDown,
   kKeys_Total,
+	kKeys_SavTests
 };
 
 enum {
diff --git a/src/main.c b/src/main.c
index 85e5853..50c18b1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,7 @@
 #include "config.h"
 #include "util.h"
 #include "spc_player.h"
+#include "rtk2/rtk2_sav_test.h"
 
 #ifdef __SWITCH__
 #include "switch_impl.h"
@@ -451,6 +452,8 @@ int main(int argc, char** argv) {
   bool has_bug_in_title = false;
 
   while (running) {
+    Rtk2_Rtl_Rtk2SaveTestRunner_StateMachine_Run();
+
     SDL_Event event;
 
     while (SDL_PollEvent(&event)) {
@@ -645,6 +648,7 @@ static void HandleCommand(uint32 j, bool pressed) {
     RtlSaveLoad(kSaveLoad_Replay, 256 + j - kKeys_ReplayRef);
   } else {
     switch (j) {
+    case kKeys_SavTests: Rtk2SavTestRunner_Start(&g_sav_test_runner); break;
     case kKeys_CheatLife: RtlCheat('w'); break;
     case kKeys_CheatJump: RtlCheat('q'); break;
     case kKeys_ToggleWhichFrame:
diff --git a/src/rtk2/rtk2_globals.c b/src/rtk2/rtk2_globals.c
new file mode 100644
index 0000000..14f84b9
--- /dev/null
+++ b/src/rtk2/rtk2_globals.c
@@ -0,0 +1 @@
+#include "rtk2_globals.h"
\ No newline at end of file
diff --git a/src/rtk2/rtk2_globals.h b/src/rtk2/rtk2_globals.h
new file mode 100644
index 0000000..97187b9
--- /dev/null
+++ b/src/rtk2/rtk2_globals.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#define log(fmt, ...) printf(fmt "\n", ##__VA_ARGS__)
\ No newline at end of file
diff --git a/src/rtk2/rtk2_sav_test.c b/src/rtk2/rtk2_sav_test.c
new file mode 100644
index 0000000..ee9787b
--- /dev/null
+++ b/src/rtk2/rtk2_sav_test.c
@@ -0,0 +1,76 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include "rtk2_sav_test.h"
+#include "rtk2_globals.h"
+#include "src/sm_rtl.h"
+
+static Rtk2SaveTest SavTests[] = {
+  {001, "SAV_TESTS/001-controller-inputs"},
+  {002, "SAV_TESTS/002-intro"},
+  {101, "SAV_TESTS/101-shine-spark"},
+  {102, "SAV_TESTS/102-moon-fall"},
+  {103, "SAV_TESTS/103-mock-ball"},
+  {104, "SAV_TESTS/104-crystal-flash"},
+  {201, "SAV_TESTS/201-alcatraz-escape"},
+  {202, "SAV_TESTS/202-green-gate-glitch"},
+  {999, NULL}
+};
+
+Rtk2SaveTestRunner g_sav_test_runner = {
+  .state = kSavTestState_NONE,
+  .now_test_idx = 0,
+  .tests = SavTests
+};
+
+
+#define now_test(x) x->tests[x->now_test_idx]
+
+void Rtk2SavTestRunner_ResolveSnapshotFail(Rtk2SaveTestRunner* x, bool has_failed)
+{
+  if (x->state == kSavTestState_NONE) return;
+  if (!has_failed) return;
+  now_test(x).has_failed = has_failed;
+}
+
+void Rtk2SavTestRunner_Start(Rtk2SaveTestRunner* x)
+{
+  x->state = kSavTestState_STARTING;
+}
+
+void Rtk2SavTestRunner_StateMachine_Run(Rtk2SaveTestRunner* x, bool is_replay)
+{
+  switch (x->state)
+  {
+    case kSavTestState_STARTING:
+      x->state = kSavTestState_RUNNING;
+      x->now_test_idx = -1;
+      log("[SAV_TESTS] - tests stated");
+      break;
+    case kSavTestState_RUNNING:
+      if (is_replay) return;
+      x->now_test_idx++;
+      if (now_test(x).name != NULL)
+      {
+        Rtk2_RtlSaveLoad_ByName(kSaveLoad_Replay, now_test(x).name);
+      }
+      else
+      {
+        Rtk2_RtlSaveLoad_ByName(kSaveLoad_Replay, "SAV_TESTS/999-black-out");
+        x->state = kSavTestState_FINISHING;
+        log("[SAV_TESTS] - tests ended");
+      }
+      break;
+    case kSavTestState_FINISHING:
+      log("\n*** SAV TESTS RESULTS ******************");
+      for (struct Rtk2SavTest* test = x->tests; test && test->name != NULL; test++)
+      {
+        log("TEST #%03d | %s | %s", test->id, test->has_failed ? "FAIL" : "PASS", test->name);
+      }
+      log("****************************************");
+      x->state = kSavTestState_NONE;
+      break;
+    default:
+      break;
+  }
+}
diff --git a/src/rtk2/rtk2_sav_test.h b/src/rtk2/rtk2_sav_test.h
new file mode 100644
index 0000000..4561745
--- /dev/null
+++ b/src/rtk2/rtk2_sav_test.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <stdbool.h>
+#include "src/types.h"
+
+typedef struct Rtk2SavTest {
+	int id;
+	const char* name;
+	bool has_failed;
+} Rtk2SaveTest;
+
+typedef enum
+{
+	kSavTestState_NONE,
+	kSavTestState_STARTING,
+	kSavTestState_RUNNING,
+	kSavTestState_FINISHING
+} SavTestStates;
+
+typedef struct Rtk2SaveTestRunner {
+	SavTestStates state;
+	int8 now_test_idx;
+	struct Rtk2SavTest* tests;
+} Rtk2SaveTestRunner;
+
+extern Rtk2SaveTestRunner g_sav_test_runner;
+
+void Rtk2SavTestRunner_Start(Rtk2SaveTestRunner* x);
+void Rtk2SavTestRunner_StateMachine_Run(Rtk2SaveTestRunner* x, bool is_replay);
+void Rtk2SavTestRunner_ResolveSnapshotFail(Rtk2SaveTestRunner* x, bool has_failed);
\ No newline at end of file
diff --git a/src/sm.vcxproj b/src/sm.vcxproj
index c8840d7..715a2d1 100644
--- a/src/sm.vcxproj
+++ b/src/sm.vcxproj
@@ -152,6 +152,8 @@
     <ClCompile Include="main.c" />
     <ClCompile Include="opengl.c" />
     <ClCompile Include="platform\win32\volume_control.c" />
+    <ClCompile Include="rtk2\rtk2_globals.c" />
+    <ClCompile Include="rtk2\rtk2_sav_test.c" />
     <ClCompile Include="sm_80.c" />
     <ClCompile Include="sm_81.c" />
     <ClCompile Include="sm_82.c" />
@@ -239,6 +241,8 @@
     <ClInclude Include="glsl_shader.h" />
     <ClInclude Include="ida_types.h" />
     <ClInclude Include="resource.h" />
+    <ClInclude Include="rtk2\rtk2_globals.h" />
+    <ClInclude Include="rtk2\rtk2_sav_test.h" />
     <ClInclude Include="sm_80.h" />
     <ClInclude Include="sm_81.h" />
     <ClInclude Include="sm_82.h" />
diff --git a/src/sm_82.c b/src/sm_82.c
index 514d311..7cb86a0 100644
--- a/src/sm_82.c
+++ b/src/sm_82.c
@@ -5029,28 +5029,26 @@ void OptionsMenuFunc6_DrawControllerBindings(void) {
   }
 }
 
+
 void OptionsMenuControllerFunc_SetBinding(void) {  // 0x82F6B9
-  uint16 v0 = 12;
-  while ((kControllerInputMasks[v0 >> 1] & joypad1_newkeys) == 0) {
-    v0 -= 2;
-    if ((v0 & 0x8000) != 0)
-      return;
-  }
-  uint16 r18 = v0 >> 1;
-  uint16 v1 = 2 * menu_option_index + 2;
-  if (!sign16(2 * menu_option_index - 12))
-    v1 = 0;
-  uint16 v2 = v1;
-  for (int i = 5; i >= 0; --i) {
-    if (eproj_F[(v2 >> 1) + 13] == r18)
-      break;
-    v2 += 2;
-    if ((int16)(v2 - 14) >= 0)
-      v2 = 0;
-  }
-  int v4 = menu_option_index;
-  uint16 r20 = eproj_F[v4 + 13];
-  eproj_F[v4 + 13] = r18;
-  eproj_F[(v2 >> 1) + 13] = r20;
-  OptionsMenuFunc6_DrawControllerBindings();
-}
+    // Get the new button pressed, excluding the left and right dpad
+
+    const int16 MAX_INPUT_MASK_INDEX = 6;
+    int16 mask_index = MAX_INPUT_MASK_INDEX;
+    while ((kControllerInputMasks[mask_index] & joypad1_newkeys) == 0) {
+        --mask_index;
+        if (mask_index < 0) return;
+    }
+
+    uint16 new_binding = mask_index;
+    uint16 next_option_down = (menu_option_index + 1) % 7;
+
+    for (int i = 5; i >= 0; --i) {
+        if (optionsmenu_input_bindings[next_option_down] == new_binding) break;
+        next_option_down = (next_option_down + 1) % 7;
+    }
+
+    optionsmenu_input_bindings[next_option_down] = optionsmenu_input_bindings[menu_option_index];
+    optionsmenu_input_bindings[menu_option_index] = new_binding;
+    OptionsMenuFunc6_DrawControllerBindings();
+}
\ No newline at end of file
diff --git a/src/sm_cpu_infra.c b/src/sm_cpu_infra.c
index ec1e34a..8acd0b3 100644
--- a/src/sm_cpu_infra.c
+++ b/src/sm_cpu_infra.c
@@ -11,6 +11,8 @@
 #include "enemy_types.h"
 #include <time.h>
 
+#include "rtk2/rtk2_sav_test.h"
+
 void RtlRunFrameCompare(uint16 input, int run_what);
 
 enum RunMode { RM_BOTH, RM_MINE, RM_THEIRS };
@@ -991,6 +993,8 @@ void RunOneFrameOfGame_Both(void) {
   // Compare both snapshots
   VerifySnapshotsEq(&g_snapshot_mine, &g_snapshot_theirs, &g_snapshot_before);
 
+  Rtk2SavTestRunner_ResolveSnapshotFail(&g_sav_test_runner, g_fail);
+
   if (g_fail) {
     g_fail = false;
 
diff --git a/src/sm_rtl.c b/src/sm_rtl.c
index 6cabc43..31c4a75 100644
--- a/src/sm_rtl.c
+++ b/src/sm_rtl.c
@@ -6,6 +6,7 @@
 #include "funcs.h"
 #include "spc_player.h"
 #include "util.h"
+#include "rtk2/rtk2_sav_test.h"
 
 struct StateRecorder;
 
@@ -490,6 +491,52 @@ void RtlSaveLoad(int cmd, int slot) {
   }
 }
 
+void Rtk2_Rtl_Rtk2SaveTestRunner_StateMachine_Run()
+{
+    // added bcuz state_recorder is private
+    Rtk2SavTestRunner_StateMachine_Run(&g_sav_test_runner, state_recorder.replay_mode);
+}
+
+void Rtk2_RtlSaveLoad_ByName(int cmd, const char* filename) {
+    //carbon copy of RtlSaveLoad... I'm just to scared to refactor them at this point :D
+    char name[128];
+    sprintf(name, "saves/%s.sav", filename);
+
+    printf("*** %s filename %s\n", cmd == kSaveLoad_Save ? "Saving" : cmd == kSaveLoad_Load ? "Loading" : "Replaying", filename);
+    if (cmd != kSaveLoad_Save) {
+
+        FILE* f = fopen(name, "rb");
+        if (f == NULL) {
+            printf("Failed fopen: %s\n", name);
+            return;
+        }
+        RtlApuLock();
+        StateRecorder_Load(&state_recorder, f, cmd == kSaveLoad_Replay);
+        ppu_copy(g_snes->my_ppu, g_snes->ppu);
+        RtlApuUnlock();
+        RtlSynchronizeWholeState();
+        fclose(f);
+
+        if (coroutine_state_0 | coroutine_state_1 | coroutine_state_2 | coroutine_state_3 | coroutine_state_4) {
+            printf("Coroutine state: %d, %d, %d, %d, %d\n",
+                coroutine_state_0, coroutine_state_1, coroutine_state_2, coroutine_state_3, coroutine_state_4);
+        }
+
+        // Earlier versions used coroutine_state_0 differently
+        if (coroutine_state_0 == 4)
+            coroutine_state_0 = 10 + game_state;
+
+        // bug_fix_counter_BAD didn't actually belong to free ram...
+        if (bug_fix_counter == 0)
+            bug_fix_counter = bug_fix_counter_BAD;
+
+    }
+    else {
+        RtlSaveSnapshot(name, false);
+    }
+}
+
+
 /**
 * @brief Copies size bytes from the source to the destination
 * @param *dst Pointer to destination
diff --git a/src/sm_rtl.h b/src/sm_rtl.h
index 624ba99..3a833f8 100644
--- a/src/sm_rtl.h
+++ b/src/sm_rtl.h
@@ -108,6 +108,9 @@ enum {
 };
 
 void RtlSaveLoad(int cmd, int slot);
+
+void Rtk2_Rtl_Rtk2SaveTestRunner_StateMachine_Run();
+void Rtk2_RtlSaveLoad_ByName(int cmd, const char* filename);
 void RtlCheat(char c);
 void RtlApuLock();
 void RtlApuUnlock();