diff --git a/Pico/Debug.h b/Pico/Debug.h
new file mode 100644
index 00000000..7d715ec0
--- /dev/null
+++ b/Pico/Debug.h
@@ -0,0 +1,8 @@
+
+char *PDebugMain(void);
+char *PDebugSpriteList(void);
+void PDebugShowSpriteStats(unsigned short *screen, int stride);
+void PDebugShowPalette(unsigned short *screen, int stride);
+void PDebugShowSprite(unsigned short *screen, int stride, int which);
+void PDebugDumpMem(void);
+
diff --git a/platform/gp2x/version.h b/platform/gp2x/version.h
index d4bd4475..076e6d8c 100644
--- a/platform/gp2x/version.h
+++ b/platform/gp2x/version.h
@@ -1,2 +1,2 @@
-#define VERSION "1.50"
+#define VERSION "1.50a"
 
diff --git a/platform/psp/version.h b/platform/psp/version.h
index d4bd4475..076e6d8c 100644
--- a/platform/psp/version.h
+++ b/platform/psp/version.h
@@ -1,2 +1,2 @@
-#define VERSION "1.50"
+#define VERSION "1.50a"