diff --git a/chip/ps4_gpu_regs.pas b/chip/ps4_gpu_regs.pas
index 62cb3b00..fec439da 100644
--- a/chip/ps4_gpu_regs.pas
+++ b/chip/ps4_gpu_regs.pas
@@ -1614,7 +1614,7 @@ end;
 
 function _get_tsharp4_cformat(PT:PTSharpResource4):TVkFormat;
 begin
- Result:=Default(TVkFormat);
+ Result:=VK_FORMAT_UNDEFINED;
  if (PT=nil) then Exit;
 
  Case PT^.nfmt of
@@ -1623,6 +1623,7 @@ begin
      IMG_DATA_FORMAT_8          :Result:=VK_FORMAT_R8_UNORM;
      IMG_DATA_FORMAT_8_8        :Result:=VK_FORMAT_R8G8_UNORM;
      IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_UNORM;
+     IMG_DATA_FORMAT_16         :Result:=VK_FORMAT_R16_UNORM;
      IMG_DATA_FORMAT_16_16      :Result:=VK_FORMAT_R16G16_UNORM;
      IMG_DATA_FORMAT_16_16_16_16:Result:=VK_FORMAT_R16G16B16A16_UNORM;
      IMG_DATA_FORMAT_5_6_5      :Result:=VK_FORMAT_R5G6B5_UNORM_PACK16;
@@ -1630,8 +1631,7 @@ begin
      IMG_DATA_FORMAT_BC1        :Result:=VK_FORMAT_BC1_RGBA_UNORM_BLOCK;
      IMG_DATA_FORMAT_BC3        :Result:=VK_FORMAT_BC3_UNORM_BLOCK;
      IMG_DATA_FORMAT_BC7        :Result:=VK_FORMAT_BC7_UNORM_BLOCK;
-     else
-      Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+     else;
     end;
 
   IMG_NUM_FORMAT_SRGB  :
@@ -1641,8 +1641,7 @@ begin
      IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_SRGB;
      IMG_DATA_FORMAT_BC1        :Result:=VK_FORMAT_BC1_RGBA_SRGB_BLOCK;
      IMG_DATA_FORMAT_BC3        :Result:=VK_FORMAT_BC3_SRGB_BLOCK;
-     else
-      Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+     else;
     end;
 
   IMG_NUM_FORMAT_SNORM  :
@@ -1650,10 +1649,10 @@ begin
      IMG_DATA_FORMAT_8          :Result:=VK_FORMAT_R8_SNORM;
      IMG_DATA_FORMAT_8_8        :Result:=VK_FORMAT_R8G8_SNORM;
      IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_SNORM;
+     IMG_DATA_FORMAT_16         :Result:=VK_FORMAT_R16_SNORM;
      IMG_DATA_FORMAT_16_16      :Result:=VK_FORMAT_R16G16_SNORM;
      IMG_DATA_FORMAT_16_16_16_16:Result:=VK_FORMAT_R16G16B16A16_SNORM;
-     else
-      Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+     else;
     end;
 
   IMG_NUM_FORMAT_USCALED:
@@ -1661,10 +1660,10 @@ begin
      IMG_DATA_FORMAT_8          :Result:=VK_FORMAT_R8_USCALED;
      IMG_DATA_FORMAT_8_8        :Result:=VK_FORMAT_R8G8_USCALED;
      IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_USCALED;
+     IMG_DATA_FORMAT_16         :Result:=VK_FORMAT_R16_USCALED;
      IMG_DATA_FORMAT_16_16      :Result:=VK_FORMAT_R16G16_USCALED;
      IMG_DATA_FORMAT_16_16_16_16:Result:=VK_FORMAT_R16G16B16A16_USCALED;
-     else
-      Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+     else;
     end;
 
 
@@ -1673,10 +1672,10 @@ begin
      IMG_DATA_FORMAT_8          :Result:=VK_FORMAT_R8_SSCALED;
      IMG_DATA_FORMAT_8_8        :Result:=VK_FORMAT_R8G8_SSCALED;
      IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_SSCALED;
+     IMG_DATA_FORMAT_16         :Result:=VK_FORMAT_R16_SSCALED;
      IMG_DATA_FORMAT_16_16      :Result:=VK_FORMAT_R16G16_SSCALED;
      IMG_DATA_FORMAT_16_16_16_16:Result:=VK_FORMAT_R16G16B16A16_SSCALED;
-     else
-      Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+     else;
     end;
 
   IMG_NUM_FORMAT_UINT   :
@@ -1684,6 +1683,7 @@ begin
     IMG_DATA_FORMAT_8           :Result:=VK_FORMAT_R8_UINT;
     IMG_DATA_FORMAT_8_8         :Result:=VK_FORMAT_R8G8_UINT;
     IMG_DATA_FORMAT_8_8_8_8     :Result:=VK_FORMAT_R8G8B8A8_UINT;
+    IMG_DATA_FORMAT_16          :Result:=VK_FORMAT_R16_UINT;
     IMG_DATA_FORMAT_16_16       :Result:=VK_FORMAT_R16G16_UINT;
     IMG_DATA_FORMAT_16_16_16_16 :Result:=VK_FORMAT_R16G16B16A16_UINT;
     IMG_DATA_FORMAT_32          :Result:=VK_FORMAT_R32_UINT;
@@ -1696,8 +1696,7 @@ begin
     IMG_DATA_FORMAT_FMASK8_S2_F2:Result:=VK_FORMAT_R8_UINT;
     IMG_DATA_FORMAT_FMASK8_S4_F2:Result:=VK_FORMAT_R8_UINT;
     IMG_DATA_FORMAT_FMASK8_S4_F4:Result:=VK_FORMAT_R8_UINT;
-    else
-     Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+    else;
    end;
 
   IMG_NUM_FORMAT_SINT   :
@@ -1705,14 +1704,14 @@ begin
     IMG_DATA_FORMAT_8          :Result:=VK_FORMAT_R8_SINT;
     IMG_DATA_FORMAT_8_8        :Result:=VK_FORMAT_R8G8_SINT;
     IMG_DATA_FORMAT_8_8_8_8    :Result:=VK_FORMAT_R8G8B8A8_SINT;
+    IMG_DATA_FORMAT_16         :Result:=VK_FORMAT_R16_SINT;
     IMG_DATA_FORMAT_16_16      :Result:=VK_FORMAT_R16G16_SINT;
     IMG_DATA_FORMAT_16_16_16_16:Result:=VK_FORMAT_R16G16B16A16_SINT;
     IMG_DATA_FORMAT_32         :Result:=VK_FORMAT_R32_SINT;
     IMG_DATA_FORMAT_32_32      :Result:=VK_FORMAT_R32G32_SINT;
     IMG_DATA_FORMAT_32_32_32   :Result:=VK_FORMAT_R32G32B32_SINT;
     IMG_DATA_FORMAT_32_32_32_32:Result:=VK_FORMAT_R32G32B32A32_SINT;
-    else
-     Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+    else;
    end;
 
   IMG_NUM_FORMAT_FLOAT  :
@@ -1724,14 +1723,13 @@ begin
     IMG_DATA_FORMAT_32_32      :Result:=VK_FORMAT_R32G32_SFLOAT;
     IMG_DATA_FORMAT_32_32_32   :Result:=VK_FORMAT_R32G32B32_SFLOAT;
     IMG_DATA_FORMAT_32_32_32_32:Result:=VK_FORMAT_R32G32B32A32_SFLOAT;
-    else
-     Assert(false,_get_tex_dfmt_str(PT^.dfmt));
+    else;
    end;
 
-  else
-   Assert(false,_get_tex_nfmt_str(PT^.nfmt));
+  else;
  end;
 
+ Assert(Result<>VK_FORMAT_UNDEFINED,'[_get_tsharp4_cformat] dfmt:'+_get_tex_dfmt_str(PT^.dfmt)+' nfmt:'+_get_tex_nfmt_str(PT^.dfmt));
 end;
 
 function _get_tsharp4_image_info(PT:PTSharpResource4):TvImageKey;
diff --git a/chip/ps4_shader.pas b/chip/ps4_shader.pas
index dcbfaa88..a4dded05 100644
--- a/chip/ps4_shader.pas
+++ b/chip/ps4_shader.pas
@@ -389,6 +389,7 @@ Function  getResourceMemoryType_vsharp(PV:PVSharpResource4):Byte;
 Function  getResourceMemoryType_tsharp4(PT:PTSharpResource4):Byte;
 Function  getResourceMemoryType_tsharp8(PT:PTSharpResource8):Byte;
 Function  getMemoryType_str(b:Byte):RawByteString;
+function  get_tiling_idx_str(b:Byte):RawByteString;
 
 procedure print_vsharp(PV:PVSharpResource4);
 procedure print_tsharp4(PT:PTSharpResource4);
diff --git a/spirv/emit_mimg.pas b/spirv/emit_mimg.pas
index 9e3d316d..6fb1a595 100644
--- a/spirv/emit_mimg.pas
+++ b/spirv/emit_mimg.pas
@@ -606,8 +606,6 @@ begin
 end;
 
 Function TEmit_MIMG.Gather_value(var offset:DWORD;rtype:TsrDataType):PsrRegNode;
-var
- src:PsrRegNode;
 begin
  Result:=fetch_vsrc8(FSPI.MIMG.VADDR+offset,rtype);
  Inc(offset);
diff --git a/spirv/emit_sopp.pas b/spirv/emit_sopp.pas
index ecf90f31..3ccbcaee 100644
--- a/spirv/emit_sopp.pas
+++ b/spirv/emit_sopp.pas
@@ -362,6 +362,8 @@ begin
   S_NOP,
   S_WAITCNT:;
 
+  S_TTRACEDATA:; //write_thread_trace_data(M0[31:0])
+
   S_ENDPGM:
    begin
     if not is_term_op(line) then
diff --git a/spirv/srInput.pas b/spirv/srInput.pas
index fffcad9a..8fd564d3 100644
--- a/spirv/srInput.pas
+++ b/spirv/srInput.pas
@@ -180,8 +180,6 @@ end;
 
 procedure TsrInputList.Test;
 var
- pDecorateList:PsrDecorateList;
- pCapabilityList:PsrCapabilityList;
  node:PsrInput;
  pVar:PsrVariable;
 
@@ -198,9 +196,6 @@ var
  end;
 
 begin
- pDecorateList  :=FEmit.GetDecorateList;
- pCapabilityList:=FEmit.GetCapabilityList;
-
  node:=First;
  While (node<>nil) do
  begin
diff --git a/vulkan/vImageTiling.pas b/vulkan/vImageTiling.pas
index 2cff80e1..1f23836c 100644
--- a/vulkan/vImageTiling.pas
+++ b/vulkan/vImageTiling.pas
@@ -8,6 +8,7 @@ uses
  SysUtils,
  RWLock,
  g23tree,
+ ps4_shader,
  ps4_tiling,
  Vulkan,
  vDevice,
@@ -494,7 +495,7 @@ begin
    _Load_Thin_1dThin(cmd,TvImage2(image));
 
   else
-   Assert(false,'TODO');
+   Assert(false,'TODO tiling_idx:'+get_tiling_idx_str(TvImage2(image).key.params.tiling_idx));
  end;
 
 end;