diff --git a/src/mame/irem/blackjack92.cpp b/src/mame/irem/m78.cpp
similarity index 97%
rename from src/mame/irem/blackjack92.cpp
rename to src/mame/irem/m78.cpp
index 8c40f50000c..1ef4cf470b1 100644
--- a/src/mame/irem/blackjack92.cpp
+++ b/src/mame/irem/m78.cpp
@@ -2,6 +2,8 @@
 // copyright-holders:
 
 /*
+Irem M78
+
 Black Jack (1992)
 Flyers show this game has a main screen and 5 user screens.
 Is this the main unit or the satellite one?
@@ -277,6 +279,10 @@ ROM_START( bj92 )
 
 	ROM_REGION( 0x40000, "m72_audio", ROMREGION_ERASE00 )
 	// there are 2 empty sockets near the scratched off sound chip. ROMs removed or never populated?
+
+	ROM_REGION( 0x200, "proms", 0 )
+	ROM_LOAD( "82s129.ic67", 0x000, 0x100, CRC(3e2128b6) SHA1(71e74999c18a2a4e59a7c8388b6deb0918afd669) )
+	ROM_LOAD( "82s129.ic69", 0x000, 0x100, CRC(6fdff4a5) SHA1(71fda10c4bf830787218e9be1223259face1cd8e) )
 ROM_END
 
 } // anonymous namespace
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index c24b1f741e4..c909efb58ab 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -21170,9 +21170,6 @@ vc4000                          // Interton vc4000
 vc6000                          //
 vmdtbase                        //
 
-@source:irem/blackjack92.cpp
-bj92
-
 @source:irem/m10.cpp
 andromed                        // (c) 1979
 greenber                        // Irem
@@ -21290,6 +21287,9 @@ rtypeu                          // (c) 1987 + Nintendo USA license (US)
 xmultipl                        // (c) 1989 (Japan)
 xmultiplm72                     // (c) 1989 (Japan)
 
+@source:irem/m78.cpp
+bj92
+
 @source:irem/m90.cpp
 atompunk                        // (c) 1991 Irem America (licensed from Hudson Soft)
 bbmanw                          // (c) 1992 Irem (World)