diff --git a/src/mame/drivers/route16.cpp b/src/mame/drivers/route16.cpp
index f74e040c0c3..79efc86463e 100644
--- a/src/mame/drivers/route16.cpp
+++ b/src/mame/drivers/route16.cpp
@@ -980,10 +980,10 @@ ROM_START( route16 )
 	ROM_REGION( 0x800, "mcu", 0 ) // on a small daughterboard inserted at a6
 	ROM_LOAD( "mb8841",       0x000, 0x800, NO_DUMP )
 
-	ROM_REGION( 0x0200, "proms", 0 ) /* Intersil IM5623CPE proms compatible with 82s129 */
-	/* The upper 128 bytes are 0's, used by the hardware to blank the display */
-	ROM_LOAD( "im5623.f10",   0x0000, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) /* top bitmap */
-	ROM_LOAD( "im5623.f12",   0x0100, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) /* bottom bitmap */
+	ROM_REGION( 0x0200, "proms", 0 )
+	// The upper 128 bytes are 0's, used by the hardware to blank the display
+	ROM_LOAD( "mb7052.59",    0x0000, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) // top bitmap
+	ROM_LOAD( "mb7052.61",    0x0100, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) // bottom bitmap
 ROM_END
 
 ROM_START( route16a )
@@ -1001,6 +1001,9 @@ ROM_START( route16a )
 	ROM_LOAD( "tvg62.b2",     0x1000, 0x0800, CRC(529cad13) SHA1(b533d20df1f2580e237c3d60bfe3483486ad9a48) )
 	ROM_LOAD( "tvg63.b3",     0x1800, 0x0800, CRC(3bd8b899) SHA1(bc0c7909dbf5ea85eba5a1bb815fdd98c3aa794e) )
 
+	ROM_REGION( 0x800, "mcu", 0 ) // on a small daughterboard inserted at a6
+	ROM_LOAD( "mb8841",       0x000, 0x800, NO_DUMP )
+
 	ROM_REGION( 0x0200, "proms", 0 )
 	/* The upper 128 bytes are 0's, used by the hardware to blank the display */
 	ROM_LOAD( "mb7052.59",    0x0000, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) /* top bitmap */
@@ -1022,6 +1025,9 @@ ROM_START( route16c )
 	ROM_LOAD( "route16.b2",   0x1000, 0x0800, CRC(529cad13) SHA1(b533d20df1f2580e237c3d60bfe3483486ad9a48) )
 	ROM_LOAD( "route16.b3",   0x1800, 0x0800, CRC(3bd8b899) SHA1(bc0c7909dbf5ea85eba5a1bb815fdd98c3aa794e) )
 
+	ROM_REGION( 0x800, "mcu", 0 ) // on a small daughterboard inserted at a6
+	ROM_LOAD( "mb8841",       0x000, 0x800, NO_DUMP )
+
 	ROM_REGION( 0x0200, "proms", 0 ) /* Intersil IM5623CPE proms compatible with 82s129 */
 	/* The upper 128 bytes are 0's, used by the hardware to blank the display */
 	ROM_LOAD( "im5623.f10",   0x0000, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) /* top bitmap */
@@ -1043,6 +1049,9 @@ ROM_START( route16b )
 	ROM_LOAD( "route16.b2",   0x1000, 0x0800, CRC(529cad13) SHA1(b533d20df1f2580e237c3d60bfe3483486ad9a48) )
 	ROM_LOAD( "route16.b3",   0x1800, 0x0800, CRC(3bd8b899) SHA1(bc0c7909dbf5ea85eba5a1bb815fdd98c3aa794e) )
 
+	ROM_REGION( 0x800, "mcu", 0 ) // on a small daughterboard inserted at a6
+	ROM_LOAD( "mb8841",       0x000, 0x800, NO_DUMP )
+
 	ROM_REGION( 0x0200, "proms", 0 ) /* Intersil IM5623CPE proms compatible with 82s129 */
 	/* The upper 128 bytes are 0's, used by the hardware to blank the display */
 	ROM_LOAD( "im5623.f10",   0x0000, 0x0100, CRC(08793ef7) SHA1(bfc27aaf25d642cd57c0fbe73ab575853bd5f3ca) ) /* top bitmap */