diff --git a/GPU3D.cpp b/GPU3D.cpp
index e713252a..7c1faae5 100644
--- a/GPU3D.cpp
+++ b/GPU3D.cpp
@@ -47,6 +47,8 @@
 // Z-buffering mode: val = ((Z * 0x800 * 0x1000) / W) + 0x7FFCFF
 // W-buffering mode: val = W - 0x1FF
 // TODO: confirm W, because it's weird
+// ... nope, that shit above isn't right
+// also, the formula for the clear depth on GBAtek appears to be wrong
 
 
 namespace GPU3D
diff --git a/GPU3D_Soft.cpp b/GPU3D_Soft.cpp
index 0f8ef69b..d7960487 100644
--- a/GPU3D_Soft.cpp
+++ b/GPU3D_Soft.cpp
@@ -498,6 +498,10 @@ void RenderPolygon(Polygon* polygon)
         s32 tr = ((perspfactorr1 * vrcur->TexCoords[1]) + (perspfactorr2 * vrnext->TexCoords[1])) / (perspfactorr1 + perspfactorr2);
 
         if (xr == xl) xr++;
+
+        // temp.
+        if (xl > 255) continue;
+
         s32 xdiv = 0x1000 / (xr - xl);
 
         //printf("y%d: %d->%d   %08X %08X\n", y, xl, xr, lfactor, rfactor);
diff --git a/main.cpp b/main.cpp
index 8f21d53f..3e713dac 100644
--- a/main.cpp
+++ b/main.cpp
@@ -265,7 +265,7 @@ int main()
             SetWindowText(melon, melontitle);
         }
     }
-
+    printf("deinit\n");
     NDS::DeInit();
 
     return 0;
diff --git a/melonDS.depend b/melonDS.depend
index 4e93ed75..cecccb8e 100644
--- a/melonDS.depend
+++ b/melonDS.depend
@@ -1,5 +1,5 @@
 # depslib dependency file v1.0
-1487356459 source:c:\documents\sources\melonds\main.cpp
+1488636452 source:c:\documents\sources\melonds\main.cpp
 	<stdio.h>
 	<windows.h>
 	"NDS.h"
@@ -10,7 +10,7 @@
 
 1481161027 c:\documents\sources\melonds\types.h
 
-1488635272 source:c:\documents\sources\melonds\nds.cpp
+1488635597 source:c:\documents\sources\melonds\nds.cpp
 	<stdio.h>
 	<string.h>
 	"NDS.h"
@@ -87,7 +87,7 @@
 	"NDS.h"
 	"SPI.h"
 
-1488594249 source:c:\documents\sources\melonds\gpu2d.cpp
+1488635396 source:c:\documents\sources\melonds\gpu2d.cpp
 	<stdio.h>
 	<string.h>
 	"NDS.h"
@@ -148,7 +148,7 @@
 
 1488497796 c:\documents\sources\melonds\gpu3d.h
 
-1488594938 source:c:\documents\sources\melonds\gpu3d.cpp
+1488637250 source:c:\documents\sources\melonds\gpu3d.cpp
 	<stdio.h>
 	<string.h>
 	"NDS.h"