Initial revision
diff --git a/Demo/sgi/video/vpregs.py b/Demo/sgi/video/vpregs.py
new file mode 100755
index 0000000..d33f1fe
--- /dev/null
+++ b/Demo/sgi/video/vpregs.py
@@ -0,0 +1,28 @@
+VID_VP = 0x1000000
+
+# Set vp1 register tokens
+VP_GBXORG = (VID_VP +0x01)
+VP_GBYORG = (VID_VP +0x02)
+VP_FBXORG = (VID_VP +0x03)
+VP_FBYORG = (VID_VP +0x04)
+VP_WIDTH = (VID_VP +0x05)
+VP_HEIGHT = (VID_VP +0x06)
+VP_PIXCNT = (VID_VP +0x07)
+VP_HBLANK = (VID_VP +0x08)
+VP_VBLANK = (VID_VP +0x09)
+VP_BRITE = (VID_VP +0x0A)
+VP_CONT = (VID_VP +0x0B)
+VP_HUE = (VID_VP +0x0C)
+VP_SAT = (VID_VP +0x0D)
+VP_ALPHA = (VID_VP +0X0E)
+VP_FGMODE = (VID_VP +0x0F)
+VP_MAPSRC = (VID_VP +0x10)
+VP_MAPADD = (VID_VP +0x11)
+VP_MAPRED = (VID_VP +0x12)
+VP_MAPGREEN = (VID_VP +0x13)
+VP_MAPBLUE = (VID_VP +0x14)
+VP_MAPSTROBE = (VID_VP +0x15)
+VP_DIGVAL = (VID_VP +0x16)
+VP_STATUS0 = (VID_VP +0x17)
+VP_STATUS1 = (VID_VP +0x18)
+VP_CMD = (VID_VP +0x19)