fixes for mpu4/arcade.flt, and jp.cpp/mame.lst.

src/mame/arcade.flt

@@ -842,7 +842,6 @@ mouser.cpp
 mpu12wbk.cpp
 mpu2.cpp
 mpu3.cpp
-mpu4.cpp
 mpu4avan.cpp
 mpu4bwb.cpp
 mpu4concept.cpp
@@ -852,10 +851,11 @@ mpu4empire.cpp
 mpu4mdm.cpp
 mpu4misc.cpp
 mpu4mod2sw.cpp
+mpu4mod4oki.cpp
 mpu4mod4yam.cpp
 mpu4plasma.cpp
-mpu4sw.cpp
 mpu4union.cpp
+mpu4unsorted.cpp
 mpu4vid.cpp
 mpu5sw.cpp
 mquake.cpp

src/mame/mame.lst

@@ -17922,6 +17922,7 @@ faeton                          //
 faeton6d                        //
 halley                          //
 halleya                         //
+halleyb                         //
 lortium                         //
 olympus                         //
 petacon                         //