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-rw-r--r--src/mame/drivers/xbox.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/drivers/xbox.cpp b/src/mame/drivers/xbox.cpp
index fb49f4538cc..0dd75172d63 100644
--- a/src/mame/drivers/xbox.cpp
+++ b/src/mame/drivers/xbox.cpp
@@ -198,7 +198,10 @@ ROM_START( xbox )
ROM_REGION( 0x100000, "bios", 0)
ROM_LOAD( "4134_1024k.bin", 0x000000, 0x100000, CRC(49d8055a) SHA1(d46cef771a63dc8024fe36d7ab5b959087ac999f) )
+ ROM_COPY( "mcpx", 1, 0x3fe00, 0x1ff)
ROM_COPY( "mcpx", 1, 0x7fe00, 0x1ff)
+ ROM_COPY( "mcpx", 1, 0xbfe00, 0x1ff)
+ ROM_COPY( "mcpx", 1, 0xffe00, 0x1ff)
ROM_REGION( 0x1000000, "tbp", 0 ) // To Be Processed, of course