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diff --git a/source/gles2glide64/src/Glide64/ucode04.h b/source/gles2glide64/src/Glide64/ucode04.h
new file mode 100755
index 0000000..152ed9a
--- /dev/null
+++ b/source/gles2glide64/src/Glide64/ucode04.h
@@ -0,0 +1,88 @@
+/*
+* Glide64 - Glide video plugin for Nintendo 64 emulators.
+* Copyright (c) 2002  Dave2001
+* Copyright (c) 2003-2009  Sergey 'Gonetz' Lipski
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+//****************************************************************
+//
+// Glide64 - Glide Plugin for Nintendo 64 emulators
+// Project started on December 29th, 2001
+//
+// Authors:
+// Dave2001, original author, founded the project in 2001, left it in 2002
+// Gugaman, joined the project in 2002, left it in 2002
+// Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002
+// Hiroshi 'KoolSmoky' Morii, joined the project in 2007
+//
+//****************************************************************
+//
+// To modify Glide64:
+// * Write your name and (optional)email, commented by your work, so I know who did it, and so that you can find which parts you modified when it comes time to send it to me.
+// * Do NOT send me the whole project or file that you modified.  Take out your modified code sections, and tell me where to put them.  If people sent the whole thing, I would have many different versions, but no idea how to combine them all.
+//
+//****************************************************************
+
+//****************************************************************
+// uCode 4 - RSP SW 2.0D EXT
+//****************************************************************
+
+static void uc4_vertex()
+{
+Check_FrameSkip;
+
+  int v0 = 0;     // Current vertex
+  int n = ((rdp.cmd0 >> 4) & 0xFFF) / 33 + 1; // Number of vertices to copy
+  rsp_vertex(v0, n);
+}
+
+static void uc4_tri1()
+{
+Check_FrameSkip;
+
+  int v1 = ((rdp.cmd1 >> 16) & 0xFF) / 5;
+  int v2 = ((rdp.cmd1 >> 8) & 0xFF) / 5;
+  int v3 = (rdp.cmd1 & 0xFF) / 5;
+  FRDP("uc4:tri1 #%d - %d, %d, %d\n", rdp.tri_n,
+    v1, v2, v3);
+
+  VERTEX *v[3] = {
+    &rdp.vtx[v1],
+    &rdp.vtx[v2],
+    &rdp.vtx[v3]
+  };
+
+  rsp_tri1(v);
+}
+
+static void uc4_quad3d()
+{
+Check_FrameSkip;
+
+  FRDP("uc4:quad3d #%d, #%d\n", rdp.tri_n, rdp.tri_n+1);
+
+  VERTEX *v[6] = {
+    &rdp.vtx[((rdp.cmd1 >> 24) & 0xFF) / 5],
+    &rdp.vtx[((rdp.cmd1 >> 16) & 0xFF) / 5],
+    &rdp.vtx[((rdp.cmd1 >> 8) & 0xFF) / 5],
+    &rdp.vtx[((rdp.cmd1 >> 24) & 0xFF) / 5],
+    &rdp.vtx[((rdp.cmd1 >> 8) & 0xFF) / 5],
+    &rdp.vtx[(rdp.cmd1 & 0xFF) / 5]
+  };
+
+  rsp_tri2(v);
+}