diff --git a/conv/bgra_to_rgba.py b/conv/bgra_to_rgba.py
new file mode 100644
index 0000000..9010b6b
--- /dev/null
+++ b/conv/bgra_to_rgba.py
@@ -0,0 +1,20 @@
+import sys
+
+with open(sys.argv[1], 'rb') as f:
+    buf = f.read()
+
+out = bytearray(len(buf))
+
+for i in range(len(buf) // 4):
+    b = buf[i * 4 + 0]
+    g = buf[i * 4 + 1]
+    r = buf[i * 4 + 2]
+    a = 255
+
+    out[i * 4 + 0] = r
+    out[i * 4 + 1] = g
+    out[i * 4 + 2] = b
+    out[i * 4 + 3] = a
+
+with open(sys.argv[2], 'wb') as f:
+    f.write(out)
diff --git a/regs/pvs_disassemble.py b/regs/pvs_disassemble.py
index 8cc9343..ccde6a1 100644
--- a/regs/pvs_disassemble.py
+++ b/regs/pvs_disassemble.py
@@ -4,10 +4,10 @@ import pvs_dst_bits
 from pprint import pprint
 
 code = [
-    0xf00203,
-    0xd10001,
-    0x1248001,
-    0x1248001
+    0x00f00203,
+    0x00d10001,
+    0x01248001,
+    0x01248001,
 ]
 
 # Radeon Compiler Program
diff --git a/regs/us_disassemble.py b/regs/us_disassemble.py
index 43f6a9d..e01e61f 100644
--- a/regs/us_disassemble.py
+++ b/regs/us_disassemble.py
@@ -1,6 +1,7 @@
 import parse_bits
 from pprint import pprint
 from collections import OrderedDict
+from os import path
 
 register_names = [
     "US_CMN_INST",
@@ -45,7 +46,7 @@ fc = [
 
 def parse_registers():
     for register in register_names:
-        filename = register.lower() + ".txt"
+        filename = path.join("bits", register.lower() + ".txt")
         l = list(parse_bits.parse_file_fields(filename))
         yield register, OrderedDict(
             (d.field_name, d) for d in parse_bits.aggregate(l)
@@ -54,7 +55,6 @@ def parse_registers():
 registers = dict(parse_registers())
 US_CMN_INST = registers["US_CMN_INST"]
 
-"""
 code = [
     0x00078005,
     0x08020080,
@@ -63,7 +63,6 @@ code = [
     0x1c810003,
     0x00000005,
 ]
-"""
 
 # DCL IN[0].xyz, GENERIC[0], PERSPECTIVE
 # DCL OUT[0], COLOR