diff --git a/src/mame/igs/igs_m027.cpp b/src/mame/igs/igs_m027.cpp
index 551deca48e1..22354a88fdd 100644
--- a/src/mame/igs/igs_m027.cpp
+++ b/src/mame/igs/igs_m027.cpp
@@ -496,7 +496,7 @@ ROM_START( slqz3 )
 	ROM_LOAD( "u29", 0x000000, 0x200000, CRC(215fed1e) SHA1(c85d8695e0be1044ac206118c3fc0ddc7063aaf6) ) // 11xxxxxxxxxxxxxxxxxxx = 0xFF
 
 	ROM_REGION( 0x080000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "u9",  0x000000, 0x080000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
+	ROM_LOAD( "u9",  0x000000, 0x080000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "u18", 0x000000, 0x400000, CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) ) // FIXED BITS (xxxxxxxx0xxxxxxx)
@@ -815,7 +815,7 @@ ROM_START( lhzb3 )
 	ROM_LOAD( "lhzb3_104.u9", 0x000000, 0x80000, CRC(70d61846) SHA1(662b59702ef6f26129de6b16346786df92f99097) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "lhzb3_text.u17", 0x000000, 0x80000,CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
+	ROM_LOAD( "lhzb3_text.u17", 0x000000, 0x80000,CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "m2401.u18", 0x000000, 0x400000,  CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) )
@@ -878,7 +878,7 @@ ROM_START( lhdmg ) // appears to be a different edition of lhzb3 and lthy (GFX a
 	ROM_LOAD( "lhdmg_prg.u9", 0x000000, 0x80000, CRC(3b3a77ac) SHA1(c1c40e02d04dc701aa65b7e255b9a928cbecdb8d) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "m2403.u17", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
+	ROM_LOAD( "m2403.u17", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "m2401.u18", 0x000000, 0x400000, CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) ) // FIXED BITS (xxxxxxxx0xxxxxxx)
@@ -896,7 +896,7 @@ ROM_START( lhdmgp ) // appears to be a different edition of lhzb3 and lthy (GFX
 	ROM_LOAD( "lhdmg_plus_prg.u9", 0x000000, 0x80000, CRC(77dd7855) SHA1(f04995ee34ef9245dcf3d66fcf111fa377394f92) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "m2403.u17", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
+	ROM_LOAD( "m2403.u17", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "m2401.u18", 0x000000, 0x400000, CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) ) // FIXED BITS (xxxxxxxx0xxxxxxx)
@@ -960,7 +960,7 @@ ROM_START( zhongguo )
 	ROM_LOAD( "p2600.u10", 0x000000, 0x80000, CRC(9ad34135) SHA1(54717753d1296efe49946369fd4a27181f19dbc0) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "t2604.u9", 0x000000, 0x80000, CRC(5401a52d) SHA1(05b47a4b39939c1d5904e3fbd5cc56d6ee9b7953) )
+	ROM_LOAD( "t2604.u9", 0x000000, 0x80000, CRC(5401a52d) SHA1(05b47a4b39939c1d5904e3fbd5cc56d6ee9b7953) )
 
 	ROM_REGION( 0x480000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "m2601.u17", 0x000000, 0x400000, CRC(89736e3f) SHA1(6a22e2eb10d2c740cf21640c43a8caf4c72d3be7) )
@@ -981,7 +981,7 @@ ROM_START( mgzz )
 	ROM_LOAD( "mgfx_101.u10", 0x000000, 0x80000, CRC(897c88a1) SHA1(0f7a7808b9503ff28ad32c0b8e071cb24cff59b1) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "mgfx_text.u9", 0x000000, 0x80000, CRC(e41e7768) SHA1(3d0add7c75c23533309e799fd8853c815e6f811c) )
+	ROM_LOAD( "mgfx_text.u9", 0x000000, 0x80000, CRC(e41e7768) SHA1(3d0add7c75c23533309e799fd8853c815e6f811c) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "mgfx_ani.u17", 0x000000, 0x400000, CRC(9fc75f4d) SHA1(acb600739dcf252a5210e28ec96d749573061b27) )
@@ -1000,7 +1000,7 @@ ROM_START( mgzza ) // IGS PCB 0295-00 (IGS027A, M6295, IGS031, 8255, Battery)
 	ROM_LOAD( "v-100cn.u10", 0x000000, 0x80000, CRC(278964f7) SHA1(75e48e3124d038f16f93fe3c1f63dd1568f0c018) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "text.u9", 0x000000, 0x80000, CRC(10792638) SHA1(ae5d93659140252da332a3dd03cb188ddf79ad5a) )
+	ROM_LOAD( "text.u9", 0x000000, 0x80000, CRC(10792638) SHA1(ae5d93659140252da332a3dd03cb188ddf79ad5a) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "cg.u17", 0x000000, 0x400000, CRC(1643fa78) SHA1(4c08b62d3dd7171a9ad3182634f66befa82cb581) ) // FIXED BITS (xxxxxxxx0xxxxxxx)
@@ -1054,7 +1054,7 @@ ROM_START( lthy ) // appears to be a different edition of lhzb3 (GFX and sound R
 	ROM_LOAD( "27c4096.u10", 0x000000, 0x80000, CRC(bd04f2e9) SHA1(3d5a2101c7214a37f159e0d17f3e66a9b6ab94ff) )
 
 	ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 )
-	ROM_LOAD16_WORD_SWAP( "27c4096.u9", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
+	ROM_LOAD( "27c4096.u9", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) )
 
 	ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 )
 	ROM_LOAD( "m2401.u17", 0x000000, 0x400000, CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) ) // FIXED BITS (xxxxxxxx0xxxxxxx)
@@ -1514,7 +1514,7 @@ GAME( 1999, lthy,      0,        igs_mahjong, base,     igs_m027_state, init_lth
 GAME( 2000, zhongguo,  0,        igs_mahjong, base,     igs_m027_state, init_zhongguo, ROT0, "IGS", "Zhong Guo Chu Da D", MACHINE_IS_SKELETON )
 GAME( 200?, jking02,   0,        igs_mahjong, jking02,  igs_m027_state, init_jking02,  ROT0, "IGS", "Jungle King 2002 (V209US)", MACHINE_IS_SKELETON )
 GAME( 2003, mgzz,      0,        igs_mahjong, base,     igs_m027_state, init_mgzz,     ROT0, "IGS", "Man Guan Zhi Zun (V101CN)", MACHINE_IS_SKELETON )
-GAME( 2000, mgzza,     0,        igs_mahjong, base,     igs_m027_state, init_mgzz,     ROT0, "IGS", "Man Guan Zhi Zun (V100CN)", MACHINE_IS_SKELETON )
+GAME( 2000, mgzza,     mgzz,     igs_mahjong, base,     igs_m027_state, init_mgzz,     ROT0, "IGS", "Man Guan Zhi Zun (V100CN)", MACHINE_IS_SKELETON )
 GAME( 2007, mgcs3,     0,        igs_mahjong, base,     igs_m027_state, init_mgcs3,    ROT0, "IGS", "Man Guan Caishen 3 (V101CN)", MACHINE_IS_SKELETON )
 
 // Incomplete dumps