diff --git a/src/mame/drivers/1942.c b/src/mame/drivers/1942.c
index b5856656097..5f332d0aac8 100644
--- a/src/mame/drivers/1942.c
+++ b/src/mame/drivers/1942.c
@@ -582,6 +582,7 @@ static MACHINE_CONFIG_START( 1942, _1942_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(_1942_state, screen_update_1942)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
@@ -650,6 +651,7 @@ static MACHINE_CONFIG_START( 1942p, _1942_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(_1942_state, screen_update_1942p)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 
 	/* sound hardware */
diff --git a/src/mame/drivers/1943.c b/src/mame/drivers/1943.c
index fc092b0c224..925a86f1915 100644
--- a/src/mame/drivers/1943.c
+++ b/src/mame/drivers/1943.c
@@ -322,6 +322,7 @@ static MACHINE_CONFIG_START( 1943, _1943_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(_1943_state, screen_update_1943)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", 1943)
 	MCFG_PALETTE_ADD("palette", 32*4+16*16+16*16+16*16)
diff --git a/src/mame/drivers/1945kiii.c b/src/mame/drivers/1945kiii.c
index 44564dccd8a..8d7585be4a6 100644
--- a/src/mame/drivers/1945kiii.c
+++ b/src/mame/drivers/1945kiii.c
@@ -276,6 +276,7 @@ static MACHINE_CONFIG_START( k3, k3_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 28*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(k3_state, screen_update_k3)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 0x800)
 	MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR)
diff --git a/src/mame/drivers/39in1.c b/src/mame/drivers/39in1.c
index a82e646440f..177ab92dfdf 100644
--- a/src/mame/drivers/39in1.c
+++ b/src/mame/drivers/39in1.c
@@ -1584,6 +1584,7 @@ static MACHINE_CONFIG_START( 39in1, _39in1_state )
 	MCFG_SCREEN_SIZE(1024, 1024)
 	MCFG_SCREEN_VISIBLE_AREA(0, 295, 0, 479)
 	MCFG_SCREEN_UPDATE_DRIVER(_39in1_state, screen_update_39in1)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 256)
 
diff --git a/src/mame/drivers/acefruit.c b/src/mame/drivers/acefruit.c
index b06240105df..9e8cbbb59b0 100644
--- a/src/mame/drivers/acefruit.c
+++ b/src/mame/drivers/acefruit.c
@@ -620,6 +620,7 @@ static MACHINE_CONFIG_START( acefruit, acefruit_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 511, 0, 255)
 	MCFG_SCREEN_UPDATE_DRIVER(acefruit_state, screen_update_acefruit)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 16)
 	MCFG_PALETTE_INIT_OWNER(acefruit_state, acefruit)
diff --git a/src/mame/drivers/arabian.c b/src/mame/drivers/arabian.c
index ef74167bab0..10313846a00 100644
--- a/src/mame/drivers/arabian.c
+++ b/src/mame/drivers/arabian.c
@@ -354,6 +354,7 @@ static MACHINE_CONFIG_START( arabian, arabian_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255, 11, 244)
 	MCFG_SCREEN_UPDATE_DRIVER(arabian_state, screen_update_arabian)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 256*32)
 	MCFG_PALETTE_INIT_OWNER(arabian_state, arabian)
diff --git a/src/mame/drivers/attckufo.c b/src/mame/drivers/attckufo.c
index 3a099bf917f..2b083e6e41c 100644
--- a/src/mame/drivers/attckufo.c
+++ b/src/mame/drivers/attckufo.c
@@ -158,6 +158,9 @@ static MACHINE_CONFIG_START( attckufo, attckufo_state )
 	MCFG_SPEAKER_STANDARD_MONO("mono")
 	MCFG_MOS656X_ATTACK_UFO_ADD("mos6560", "screen", XTAL_14_31818MHz/14, vic_videoram_map, vic_colorram_map)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+		
+	MCFG_SCREEN_MODIFY("screen")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 MACHINE_CONFIG_END
 
 ROM_START( attckufo )
diff --git a/src/mame/drivers/beaminv.c b/src/mame/drivers/beaminv.c
index ebbad402512..8c00e545de5 100644
--- a/src/mame/drivers/beaminv.c
+++ b/src/mame/drivers/beaminv.c
@@ -347,7 +347,7 @@ static MACHINE_CONFIG_START( beaminv, beaminv_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 247, 16, 231)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(beaminv_state, screen_update_beaminv)
-
+    MCFG_SCREEN_ORIENTATION(ROT270)
 MACHINE_CONFIG_END
 
 
diff --git a/src/mame/drivers/bigevglf.c b/src/mame/drivers/bigevglf.c
index c0d18524ba2..6d9dbf94dc3 100644
--- a/src/mame/drivers/bigevglf.c
+++ b/src/mame/drivers/bigevglf.c
@@ -507,6 +507,7 @@ static MACHINE_CONFIG_START( bigevglf, bigevglf_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(bigevglf_state, screen_update_bigevglf)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", bigevglf)
 	MCFG_PALETTE_ADD("palette", 0x800)
diff --git a/src/mame/drivers/blueprnt.c b/src/mame/drivers/blueprnt.c
index 03d71b8fcd2..dff8e22403f 100644
--- a/src/mame/drivers/blueprnt.c
+++ b/src/mame/drivers/blueprnt.c
@@ -360,6 +360,7 @@ static MACHINE_CONFIG_START( blueprnt, blueprnt_state )
 	MCFG_VIDEO_START_OVERRIDE(blueprnt_state, blueprnt)
 	MCFG_SCREEN_UPDATE_DRIVER(blueprnt_state, screen_update_blueprnt)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", blueprnt)
 	MCFG_PALETTE_ADD("palette", 128*4+8)
diff --git a/src/mame/drivers/btime.c b/src/mame/drivers/btime.c
index b1524a4fce1..34c3ba868bd 100644
--- a/src/mame/drivers/btime.c
+++ b/src/mame/drivers/btime.c
@@ -1302,6 +1302,7 @@ static MACHINE_CONFIG_START( btime, btime_state )
 	MCFG_SCREEN_RAW_PARAMS(HCLK, 384, 8, 248, 272, 8, 248)
 	MCFG_SCREEN_UPDATE_DRIVER(btime_state, screen_update_btime)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_MACHINE_START_OVERRIDE(btime_state,btime)
 	MCFG_MACHINE_RESET_OVERRIDE(btime_state,btime)
diff --git a/src/mame/drivers/buggychl.c b/src/mame/drivers/buggychl.c
index 81e2232da8a..7adf7dfc8b4 100644
--- a/src/mame/drivers/buggychl.c
+++ b/src/mame/drivers/buggychl.c
@@ -382,6 +382,7 @@ static MACHINE_CONFIG_START( buggychl, buggychl_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(buggychl_state, screen_update_buggychl)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", buggychl)
 	MCFG_PALETTE_ADD("palette", 128+128)
diff --git a/src/mame/drivers/capbowl.c b/src/mame/drivers/capbowl.c
index f3d1deae057..66be92ef401 100644
--- a/src/mame/drivers/capbowl.c
+++ b/src/mame/drivers/capbowl.c
@@ -332,6 +332,7 @@ static MACHINE_CONFIG_START( capbowl, capbowl_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 359, 0, 244)
 	MCFG_SCREEN_REFRESH_RATE(57)
 	MCFG_SCREEN_UPDATE_DRIVER(capbowl_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_DEVICE_ADD("tms34061", TMS34061, 0)
 	MCFG_TMS34061_ROWSHIFT(8)  /* VRAM address is (row << rowshift) | col */
diff --git a/src/mame/drivers/caswin.c b/src/mame/drivers/caswin.c
index c91064afbe1..84220e223f0 100644
--- a/src/mame/drivers/caswin.c
+++ b/src/mame/drivers/caswin.c
@@ -334,6 +334,7 @@ static MACHINE_CONFIG_START( vvillage, caswin_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
 	MCFG_SCREEN_UPDATE_DRIVER(caswin_state, screen_update_vvillage)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_NVRAM_ADD_0FILL("nvram")
 
diff --git a/src/mame/drivers/cchasm.c b/src/mame/drivers/cchasm.c
index 4f75476305f..3d42dc9e0b3 100644
--- a/src/mame/drivers/cchasm.c
+++ b/src/mame/drivers/cchasm.c
@@ -164,6 +164,7 @@ static MACHINE_CONFIG_START( cchasm, cchasm_state )
 	MCFG_SCREEN_SIZE(400, 300)
 	MCFG_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 768-1)
 	MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/chanbara.c b/src/mame/drivers/chanbara.c
index 238936a82a0..a99b730f445 100644
--- a/src/mame/drivers/chanbara.c
+++ b/src/mame/drivers/chanbara.c
@@ -403,6 +403,7 @@ static MACHINE_CONFIG_START( chanbara, chanbara_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(chanbara_state, screen_update_chanbara)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", chanbara)
 
diff --git a/src/mame/drivers/cheekyms.c b/src/mame/drivers/cheekyms.c
index 8935f8d20d3..3d356ec584b 100644
--- a/src/mame/drivers/cheekyms.c
+++ b/src/mame/drivers/cheekyms.c
@@ -136,6 +136,7 @@ static MACHINE_CONFIG_START( cheekyms, cheekyms_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 4*8, 28*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(cheekyms_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", cheekyms)
 	MCFG_PALETTE_ADD("palette", 0xc0)
diff --git a/src/mame/drivers/chexx.c b/src/mame/drivers/chexx.c
index 1c2f93d8d26..0271acd6c1f 100644
--- a/src/mame/drivers/chexx.c
+++ b/src/mame/drivers/chexx.c
@@ -416,5 +416,5 @@ ROM_START( faceoffh )
 	ROM_FILL(         0xe000, 0x2000, 0xff ) // unpopulated
 ROM_END
 
-GAME( 1983, chexx83,  0,       chexx83,  chexx83, driver_device, 0, ROT270, "ICE",                                                 "Chexx (EM Bubble Hockey, 1983 1.1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
-GAME( 1983, faceoffh, chexx83, faceoffh, chexx83, driver_device, 0, ROT270, "SoftLogic (Entertainment Enterprises, Ltd. license)", "Face-Off (EM Bubble Hockey)",        MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_IMPERFECT_SOUND )
+GAME( 1983, chexx83,  0,       chexx83,  chexx83, driver_device, 0, ROT0, "ICE",                                                 "Chexx (EM Bubble Hockey, 1983 1.1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
+GAME( 1983, faceoffh, chexx83, faceoffh, chexx83, driver_device, 0, ROT0, "SoftLogic (Entertainment Enterprises, Ltd. license)", "Face-Off (EM Bubble Hockey)",        MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_IMPERFECT_SOUND )
diff --git a/src/mame/drivers/cinemat.c b/src/mame/drivers/cinemat.c
index 5729cfefa4d..90cee2c3341 100644
--- a/src/mame/drivers/cinemat.c
+++ b/src/mame/drivers/cinemat.c
@@ -977,6 +977,7 @@ static MACHINE_CONFIG_START( cinemat_nojmi_4k, cinemat_state )
 	MCFG_SCREEN_SIZE(1024, 768)
 	MCFG_SCREEN_VISIBLE_AREA(0, 1023, 0, 767)
 	MCFG_SCREEN_UPDATE_DRIVER(cinemat_state, screen_update_cinemat)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 MACHINE_CONFIG_END
 
 
diff --git a/src/mame/drivers/cmmb.c b/src/mame/drivers/cmmb.c
index 089cd521148..7cb10c7fd06 100644
--- a/src/mame/drivers/cmmb.c
+++ b/src/mame/drivers/cmmb.c
@@ -328,6 +328,7 @@ static MACHINE_CONFIG_START( cmmb, cmmb_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(cmmb_state, screen_update_cmmb)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", cmmb)
 
diff --git a/src/mame/drivers/commando.c b/src/mame/drivers/commando.c
index 8d3d40d06bc..d8e304f4519 100644
--- a/src/mame/drivers/commando.c
+++ b/src/mame/drivers/commando.c
@@ -266,6 +266,7 @@ static MACHINE_CONFIG_START( commando, commando_state )
 	MCFG_SCREEN_UPDATE_DRIVER(commando_state, screen_update_commando)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram8_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", commando)
 	MCFG_PALETTE_ADD_RRRRGGGGBBBB_PROMS("palette", 256)
diff --git a/src/mame/drivers/cosmic.c b/src/mame/drivers/cosmic.c
index 5468258b1a6..b57d04e4ab7 100644
--- a/src/mame/drivers/cosmic.c
+++ b/src/mame/drivers/cosmic.c
@@ -989,6 +989,7 @@ static MACHINE_CONFIG_START( cosmic, cosmic_state )
 	MCFG_SCREEN_SIZE(32*8, 32*8)
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 4*8, 28*8-1)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 MACHINE_CONFIG_END
 
 TIMER_DEVICE_CALLBACK_MEMBER(cosmic_state::panic_scanline)
diff --git a/src/mame/drivers/crshrace.c b/src/mame/drivers/crshrace.c
index 7cc33cf93a2..99e1cf946bf 100644
--- a/src/mame/drivers/crshrace.c
+++ b/src/mame/drivers/crshrace.c
@@ -446,6 +446,7 @@ static MACHINE_CONFIG_START( crshrace, crshrace_state )
 	MCFG_SCREEN_UPDATE_DRIVER(crshrace_state, screen_update_crshrace)
 	MCFG_SCREEN_VBLANK_DRIVER(crshrace_state, screen_eof_crshrace)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", crshrace)
 	MCFG_PALETTE_ADD("palette", 2048)
diff --git a/src/mame/drivers/cshooter.c b/src/mame/drivers/cshooter.c
index a720416ea75..da06d8eed82 100644
--- a/src/mame/drivers/cshooter.c
+++ b/src/mame/drivers/cshooter.c
@@ -462,6 +462,7 @@ static MACHINE_CONFIG_START( airraid, cshooter_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-1-16)
 	MCFG_SCREEN_UPDATE_DRIVER(cshooter_state, screen_update_airraid)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", cshooter)
 	MCFG_PALETTE_ADD("palette", 0x100)
diff --git a/src/mame/drivers/dai3wksi.c b/src/mame/drivers/dai3wksi.c
index 9ef942150e4..87b942db0f3 100644
--- a/src/mame/drivers/dai3wksi.c
+++ b/src/mame/drivers/dai3wksi.c
@@ -410,6 +410,7 @@ static MACHINE_CONFIG_START( dai3wksi, dai3wksi_state )
 	MCFG_SCREEN_VISIBLE_AREA(4, 251, 8, 247)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(dai3wksi_state, screen_update_dai3wksi)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_BRG("palette")
 
diff --git a/src/mame/drivers/darkmist.c b/src/mame/drivers/darkmist.c
index 50e75ff14b0..4e05c5c8995 100644
--- a/src/mame/drivers/darkmist.c
+++ b/src/mame/drivers/darkmist.c
@@ -250,6 +250,7 @@ static MACHINE_CONFIG_START( darkmist, darkmist_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
 	MCFG_SCREEN_UPDATE_DRIVER(darkmist_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", darkmist)
 	MCFG_PALETTE_ADD("palette", 0x100*4)
diff --git a/src/mame/drivers/discoboy.c b/src/mame/drivers/discoboy.c
index 67fa7edcc41..a530fbe371a 100644
--- a/src/mame/drivers/discoboy.c
+++ b/src/mame/drivers/discoboy.c
@@ -507,6 +507,7 @@ static MACHINE_CONFIG_START( discoboy, discoboy_state )
 	MCFG_SCREEN_VISIBLE_AREA(8*8, 512-1-8*8, 0+8, 256-1-8)
 	MCFG_SCREEN_UPDATE_DRIVER(discoboy_state, screen_update_discoboy)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", discoboy)
 	MCFG_PALETTE_ADD("palette", 0x1000)
diff --git a/src/mame/drivers/dorachan.c b/src/mame/drivers/dorachan.c
index c6a0430f295..8e93ffd0da6 100644
--- a/src/mame/drivers/dorachan.c
+++ b/src/mame/drivers/dorachan.c
@@ -231,6 +231,7 @@ static MACHINE_CONFIG_START( dorachan, dorachan_state )
 	MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(dorachan_state, screen_update_dorachan)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_BGR("palette")
 MACHINE_CONFIG_END
diff --git a/src/mame/drivers/drmicro.c b/src/mame/drivers/drmicro.c
index 7181682c3ec..ffc3064567d 100644
--- a/src/mame/drivers/drmicro.c
+++ b/src/mame/drivers/drmicro.c
@@ -254,6 +254,7 @@ static MACHINE_CONFIG_START( drmicro, drmicro_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(drmicro_state, screen_update_drmicro)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", drmicro)
 	MCFG_PALETTE_ADD("palette", 512)
diff --git a/src/mame/drivers/enigma2.c b/src/mame/drivers/enigma2.c
index 06db62038d8..a3c387b73cd 100644
--- a/src/mame/drivers/enigma2.c
+++ b/src/mame/drivers/enigma2.c
@@ -602,6 +602,7 @@ static MACHINE_CONFIG_START( enigma2, enigma2_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(enigma2_state, screen_update_enigma2)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_BGR("palette")
 
@@ -631,6 +632,7 @@ static MACHINE_CONFIG_START( enigma2a, enigma2_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(enigma2_state, screen_update_enigma2a)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/epos.c b/src/mame/drivers/epos.c
index 65038cf3d72..5f09087b328 100644
--- a/src/mame/drivers/epos.c
+++ b/src/mame/drivers/epos.c
@@ -396,6 +396,7 @@ static MACHINE_CONFIG_START( epos, epos_state )
 	MCFG_SCREEN_SIZE(272, 241)
 	MCFG_SCREEN_VISIBLE_AREA(0, 271, 0, 235)
 	MCFG_SCREEN_UPDATE_DRIVER(epos_state, screen_update_epos)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
@@ -425,6 +426,7 @@ static MACHINE_CONFIG_START( dealer, epos_state )
 	MCFG_SCREEN_SIZE(272, 241)
 	MCFG_SCREEN_VISIBLE_AREA(0, 271, 0, 235)
 	MCFG_SCREEN_UPDATE_DRIVER(epos_state, screen_update_epos)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/ettrivia.c b/src/mame/drivers/ettrivia.c
index 0d4337afd49..4f1bfba280c 100644
--- a/src/mame/drivers/ettrivia.c
+++ b/src/mame/drivers/ettrivia.c
@@ -299,6 +299,7 @@ static MACHINE_CONFIG_START( ettrivia, ettrivia_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(ettrivia_state, screen_update_ettrivia)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", ettrivia)
 	MCFG_PALETTE_ADD("palette", 256)
diff --git a/src/mame/drivers/exedexes.c b/src/mame/drivers/exedexes.c
index 2f0a5ce1e63..5d6530159b1 100644
--- a/src/mame/drivers/exedexes.c
+++ b/src/mame/drivers/exedexes.c
@@ -236,6 +236,7 @@ static MACHINE_CONFIG_START( exedexes, exedexes_state )
 	MCFG_SCREEN_UPDATE_DRIVER(exedexes_state, screen_update_exedexes)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram8_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", exedexes)
 
diff --git a/src/mame/drivers/firetrk.c b/src/mame/drivers/firetrk.c
index 2eabe912933..de2c5bc7d26 100644
--- a/src/mame/drivers/firetrk.c
+++ b/src/mame/drivers/firetrk.c
@@ -870,6 +870,7 @@ static MACHINE_CONFIG_START( firetrk, firetrk_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
 	MCFG_SCREEN_UPDATE_DRIVER(firetrk_state, screen_update_firetrk)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 28)
 	MCFG_PALETTE_INIT_OWNER(firetrk_state, firetrk)
diff --git a/src/mame/drivers/galgame.c b/src/mame/drivers/galgame.c
index 86d0b7d0429..b3f931601b7 100644
--- a/src/mame/drivers/galgame.c
+++ b/src/mame/drivers/galgame.c
@@ -333,6 +333,7 @@ static MACHINE_CONFIG_START( galaxygame, galaxygame_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 511, 0, 511)
 	MCFG_SCREEN_UPDATE_DRIVER(galaxygame_state, screen_update_galaxygame)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
 
diff --git a/src/mame/drivers/galivan.c b/src/mame/drivers/galivan.c
index 3c2a8bce49d..ba73e643373 100644
--- a/src/mame/drivers/galivan.c
+++ b/src/mame/drivers/galivan.c
@@ -487,6 +487,7 @@ static MACHINE_CONFIG_START( ninjemak, galivan_state )
 	MCFG_SCREEN_UPDATE_DRIVER(galivan_state, screen_update_ninjemak)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram8_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", galivan)
 	MCFG_PALETTE_ADD("palette", 8*16+16*16+256*16)
diff --git a/src/mame/drivers/gcpinbal.c b/src/mame/drivers/gcpinbal.c
index c7a3a40650c..caf769ccbc7 100644
--- a/src/mame/drivers/gcpinbal.c
+++ b/src/mame/drivers/gcpinbal.c
@@ -474,6 +474,7 @@ static MACHINE_CONFIG_START( gcpinbal, gcpinbal_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(gcpinbal_state, screen_update_gcpinbal)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", gcpinbal)
diff --git a/src/mame/drivers/gotya.c b/src/mame/drivers/gotya.c
index cdae400d0bb..f935aa159e1 100644
--- a/src/mame/drivers/gotya.c
+++ b/src/mame/drivers/gotya.c
@@ -197,6 +197,7 @@ static MACHINE_CONFIG_START( gotya, gotya_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 36*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(gotya_state, screen_update_gotya)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", gotya)
 	MCFG_PALETTE_ADD("palette", 16*4)
diff --git a/src/mame/drivers/gp32.c b/src/mame/drivers/gp32.c
index 26dc298a2ff..1b3aabc09a6 100644
--- a/src/mame/drivers/gp32.c
+++ b/src/mame/drivers/gp32.c
@@ -1688,6 +1688,7 @@ static MACHINE_CONFIG_START( gp32, gp32_state )
 	MCFG_SCREEN_SIZE(240, 320)
 	MCFG_SCREEN_VISIBLE_AREA(0, 239, 0, 319)
 	MCFG_SCREEN_UPDATE_DRIVER(gp32_state, screen_update_gp32)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* 320x240 is 4:3 but ROT270 causes an aspect ratio of 3:4 by default */
 	MCFG_DEFAULT_LAYOUT(layout_lcd_rot)
diff --git a/src/mame/drivers/grchamp.c b/src/mame/drivers/grchamp.c
index ebb65186a9a..6ceb2c8f43c 100644
--- a/src/mame/drivers/grchamp.c
+++ b/src/mame/drivers/grchamp.c
@@ -674,6 +674,7 @@ static MACHINE_CONFIG_START( grchamp, grchamp_state )
 	MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(grchamp_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 
 	/* sound hardware */
diff --git a/src/mame/drivers/gstream.c b/src/mame/drivers/gstream.c
index 089e69d9cfe..bbd8630cd3b 100644
--- a/src/mame/drivers/gstream.c
+++ b/src/mame/drivers/gstream.c
@@ -917,6 +917,7 @@ static MACHINE_CONFIG_START( x2222, gstream_state )
 	MCFG_SCREEN_SIZE(320, 240)
 	MCFG_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
 	MCFG_SCREEN_UPDATE_DRIVER(gstream_state, screen_update_gstream)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 0x1000 + 0x400 + 0x400 + 0x400) // doesn't use a palette, but keep fake gfxdecode happy
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", x2222)
diff --git a/src/mame/drivers/gunsmoke.c b/src/mame/drivers/gunsmoke.c
index 0e184a18f2d..d2ff0ad7826 100644
--- a/src/mame/drivers/gunsmoke.c
+++ b/src/mame/drivers/gunsmoke.c
@@ -313,6 +313,7 @@ static MACHINE_CONFIG_START( gunsmoke, gunsmoke_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(gunsmoke_state, screen_update_gunsmoke)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", gunsmoke)
 
diff --git a/src/mame/drivers/invqix.c b/src/mame/drivers/invqix.c
index 55d180c0b99..4e65b248566 100644
--- a/src/mame/drivers/invqix.c
+++ b/src/mame/drivers/invqix.c
@@ -338,6 +338,7 @@ static MACHINE_CONFIG_START( invqix, invqix_state )
 	MCFG_SCREEN_UPDATE_DRIVER(invqix_state, screen_update)
 	MCFG_SCREEN_SIZE(640, 480)
 	MCFG_SCREEN_VISIBLE_AREA(0, 256, 0, 240)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 65536)
 
diff --git a/src/mame/drivers/jantotsu.c b/src/mame/drivers/jantotsu.c
index 572acd3c0db..d98084d605f 100644
--- a/src/mame/drivers/jantotsu.c
+++ b/src/mame/drivers/jantotsu.c
@@ -507,6 +507,7 @@ static MACHINE_CONFIG_START( jantotsu, jantotsu_state )
 	MCFG_SCREEN_SIZE(256, 256)
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 240-1)
 	MCFG_SCREEN_UPDATE_DRIVER(jantotsu_state, screen_update_jantotsu)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 0x20)
 	MCFG_PALETTE_INIT_OWNER(jantotsu_state, jantotsu)
diff --git a/src/mame/drivers/koikoi.c b/src/mame/drivers/koikoi.c
index 4da01a94adf..ef56df06bbb 100644
--- a/src/mame/drivers/koikoi.c
+++ b/src/mame/drivers/koikoi.c
@@ -362,6 +362,7 @@ static MACHINE_CONFIG_START( koikoi, koikoi_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(koikoi_state, screen_update_koikoi)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", koikoi)
 	MCFG_PALETTE_ADD("palette", 8*32)
diff --git a/src/mame/drivers/kopunch.c b/src/mame/drivers/kopunch.c
index 168d9eb4f81..957ce6260f6 100644
--- a/src/mame/drivers/kopunch.c
+++ b/src/mame/drivers/kopunch.c
@@ -268,6 +268,7 @@ static MACHINE_CONFIG_START( kopunch, kopunch_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 28*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(kopunch_state, screen_update_kopunch)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", kopunch)
 	MCFG_PALETTE_ADD("palette", 8)
diff --git a/src/mame/drivers/laserbas.c b/src/mame/drivers/laserbas.c
index d0b58ddd3b4..8e5e7b845e7 100644
--- a/src/mame/drivers/laserbas.c
+++ b/src/mame/drivers/laserbas.c
@@ -314,6 +314,7 @@ static MACHINE_CONFIG_START( laserbas, laserbas_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(laserbas_state, screen_update_laserbas)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_MC6845_ADD("crtc", H46505, "screen", 3000000/4) /* unknown clock, hand tuned to get ~60 fps */
 	MCFG_MC6845_SHOW_BORDER_AREA(false)
diff --git a/src/mame/drivers/lastduel.c b/src/mame/drivers/lastduel.c
index 60744b78b14..4af13b84607 100644
--- a/src/mame/drivers/lastduel.c
+++ b/src/mame/drivers/lastduel.c
@@ -508,6 +508,7 @@ static MACHINE_CONFIG_START( lastduel, lastduel_state )
 	MCFG_SCREEN_UPDATE_DRIVER(lastduel_state, screen_update_lastduel)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram16_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_BUFFERED_SPRITERAM16_ADD("spriteram")
 
@@ -551,6 +552,7 @@ static MACHINE_CONFIG_START( madgear, lastduel_state )
 	MCFG_SCREEN_UPDATE_DRIVER(lastduel_state, screen_update_madgear)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram16_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_BUFFERED_SPRITERAM16_ADD("spriteram")
 
diff --git a/src/mame/drivers/liberate.c b/src/mame/drivers/liberate.c
index 9e0b2b7d644..ac80238a7fb 100644
--- a/src/mame/drivers/liberate.c
+++ b/src/mame/drivers/liberate.c
@@ -748,6 +748,7 @@ static MACHINE_CONFIG_START( liberate_base, liberate_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(liberate_state, screen_update_liberate)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", liberate)
 	MCFG_PALETTE_ADD("palette", 33)
@@ -802,6 +803,7 @@ static MACHINE_CONFIG_DERIVED( prosoccr, liberate_base )
 	MCFG_SCREEN_MODIFY("screen")
 	MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(liberate_state, screen_update_prosoccr)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_MODIFY("gfxdecode", prosoccr)
 
@@ -833,6 +835,7 @@ static MACHINE_CONFIG_START( prosport, liberate_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(liberate_state, screen_update_prosport)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", prosport)
 	MCFG_PALETTE_ADD("palette", 256)
diff --git a/src/mame/drivers/lsasquad.c b/src/mame/drivers/lsasquad.c
index 75c3ae5af63..55192157fa6 100644
--- a/src/mame/drivers/lsasquad.c
+++ b/src/mame/drivers/lsasquad.c
@@ -622,6 +622,7 @@ static MACHINE_CONFIG_START( lsasquad, lsasquad_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(lsasquad_state, screen_update_lsasquad)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", lsasquad)
 	MCFG_PALETTE_ADD_RRRRGGGGBBBB_PROMS("palette", 512)
@@ -679,6 +680,7 @@ static MACHINE_CONFIG_START( daikaiju, lsasquad_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(lsasquad_state, screen_update_daikaiju)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", lsasquad)
 	MCFG_PALETTE_ADD_RRRRGGGGBBBB_PROMS("palette", 512)
diff --git a/src/mame/drivers/m10.c b/src/mame/drivers/m10.c
index bbb08433573..ffd29b6ace6 100644
--- a/src/mame/drivers/m10.c
+++ b/src/mame/drivers/m10.c
@@ -821,6 +821,7 @@ static MACHINE_CONFIG_START( m10, m10_state )
 	MCFG_SCREEN_RAW_PARAMS(IREMM10_PIXEL_CLOCK, IREMM10_HTOTAL, IREMM10_HBEND, IREMM10_HBSTART, IREMM10_VTOTAL, IREMM10_VBEND, IREMM10_VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(m10_state, screen_update_m10)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", m10)
 	MCFG_PALETTE_ADD("palette", 2*8)
@@ -884,6 +885,7 @@ static MACHINE_CONFIG_START( m15, m10_state )
 	MCFG_SCREEN_RAW_PARAMS(IREMM15_PIXEL_CLOCK, IREMM15_HTOTAL, IREMM15_HBEND, IREMM15_HBSTART, IREMM15_VTOTAL, IREMM15_VBEND, IREMM15_VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(m10_state, screen_update_m15)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", empty)
 	MCFG_PALETTE_ADD("palette", 2*8)
diff --git a/src/mame/drivers/madalien.c b/src/mame/drivers/madalien.c
index d06e31a74d5..2f6b1cdf1ef 100644
--- a/src/mame/drivers/madalien.c
+++ b/src/mame/drivers/madalien.c
@@ -171,6 +171,7 @@ static MACHINE_CONFIG_START( madalien, madalien_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(madalien_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/marinedt.c b/src/mame/drivers/marinedt.c
index 77a8cd475f0..be2809f50a7 100644
--- a/src/mame/drivers/marinedt.c
+++ b/src/mame/drivers/marinedt.c
@@ -688,6 +688,7 @@ static MACHINE_CONFIG_START( marinedt, marinedt_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 4*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(marinedt_state, screen_update_marinedt)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", marinedt)
 	MCFG_PALETTE_ADD("palette", 64)
diff --git a/src/mame/drivers/matmania.c b/src/mame/drivers/matmania.c
index d227a15805d..9984f70e0c8 100644
--- a/src/mame/drivers/matmania.c
+++ b/src/mame/drivers/matmania.c
@@ -443,6 +443,7 @@ static MACHINE_CONFIG_START( matmania, matmania_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(matmania_state, screen_update_matmania)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", matmania)
 	MCFG_PALETTE_ADD("palette", 64+16)
diff --git a/src/mame/drivers/mgolf.c b/src/mame/drivers/mgolf.c
index c3ec409cc17..3708d127e6c 100644
--- a/src/mame/drivers/mgolf.c
+++ b/src/mame/drivers/mgolf.c
@@ -375,6 +375,7 @@ static MACHINE_CONFIG_START( mgolf, mgolf_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 223)
 	MCFG_SCREEN_UPDATE_DRIVER(mgolf_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", mgolf)
 	MCFG_PALETTE_ADD("palette", 4)
diff --git a/src/mame/drivers/mikie.c b/src/mame/drivers/mikie.c
index a5cf578d288..6840a6185e2 100644
--- a/src/mame/drivers/mikie.c
+++ b/src/mame/drivers/mikie.c
@@ -267,6 +267,7 @@ static MACHINE_CONFIG_START( mikie, mikie_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(mikie_state, screen_update_mikie)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", mikie)
 	MCFG_PALETTE_ADD("palette", 16*8*16+16*8*16)
diff --git a/src/mame/drivers/mmagic.c b/src/mame/drivers/mmagic.c
index fe94c2d4e02..6780a2d240c 100644
--- a/src/mame/drivers/mmagic.c
+++ b/src/mame/drivers/mmagic.c
@@ -278,6 +278,7 @@ static MACHINE_CONFIG_START( mmagic, mmagic_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(XTAL_6_144MHz, 384, 0, 256, 264, 0, 192)
 	MCFG_SCREEN_UPDATE_DRIVER(mmagic_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_RGB("palette")
 
diff --git a/src/mame/drivers/monzagp.c b/src/mame/drivers/monzagp.c
index f95264f2423..6c94d5d9c23 100644
--- a/src/mame/drivers/monzagp.c
+++ b/src/mame/drivers/monzagp.c
@@ -423,6 +423,7 @@ static MACHINE_CONFIG_START( monzagp, monzagp_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(monzagp_state, screen_update_monzagp)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 0x200)
 	MCFG_PALETTE_INIT_OWNER(monzagp_state, monzagp)
diff --git a/src/mame/drivers/mrdo.c b/src/mame/drivers/mrdo.c
index 4ba5195aeda..7d7a01d186d 100644
--- a/src/mame/drivers/mrdo.c
+++ b/src/mame/drivers/mrdo.c
@@ -178,6 +178,7 @@ static MACHINE_CONFIG_START( mrdo, mrdo_state )
 	MCFG_SCREEN_RAW_PARAMS(VIDEO_CLOCK/4, 312, 8, 248, 262, 32, 224)
 	MCFG_SCREEN_UPDATE_DRIVER(mrdo_state, screen_update_mrdo)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", mrdo)
 	MCFG_PALETTE_ADD("palette", 64*4+16*4)
diff --git a/src/mame/drivers/mrflea.c b/src/mame/drivers/mrflea.c
index ac14b0ae87c..328f4617d63 100644
--- a/src/mame/drivers/mrflea.c
+++ b/src/mame/drivers/mrflea.c
@@ -347,6 +347,7 @@ static MACHINE_CONFIG_START( mrflea, mrflea_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(mrflea_state, screen_update_mrflea)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", mrflea)
 	MCFG_PALETTE_ADD("palette", 32)
diff --git a/src/mame/drivers/msisaac.c b/src/mame/drivers/msisaac.c
index ef44297be33..cfe5e8507da 100644
--- a/src/mame/drivers/msisaac.c
+++ b/src/mame/drivers/msisaac.c
@@ -485,6 +485,7 @@ static MACHINE_CONFIG_START( msisaac, msisaac_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(msisaac_state, screen_update_msisaac)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", msisaac)
 	MCFG_PALETTE_ADD("palette", 1024)
diff --git a/src/mame/drivers/munchmo.c b/src/mame/drivers/munchmo.c
index 86d5c2e0669..18c7ca5e485 100644
--- a/src/mame/drivers/munchmo.c
+++ b/src/mame/drivers/munchmo.c
@@ -337,6 +337,7 @@ static MACHINE_CONFIG_START( mnchmobl, munchmo_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255+32+32,0, 255-16)
 	MCFG_SCREEN_UPDATE_DRIVER(munchmo_state, screen_update_mnchmobl)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", mnchmobl)
 	MCFG_PALETTE_ADD("palette", 256)
diff --git a/src/mame/drivers/mystston.c b/src/mame/drivers/mystston.c
index abe70753f9c..793f3af12fb 100644
--- a/src/mame/drivers/mystston.c
+++ b/src/mame/drivers/mystston.c
@@ -197,6 +197,7 @@ static MACHINE_CONFIG_START( mystston, mystston_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(mystston_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/n8080.c b/src/mame/drivers/n8080.c
index 3bcefb814fb..835472d6bf6 100644
--- a/src/mame/drivers/n8080.c
+++ b/src/mame/drivers/n8080.c
@@ -518,6 +518,7 @@ static MACHINE_CONFIG_START( spacefev, n8080_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255, 16, 239)
 	MCFG_SCREEN_UPDATE_DRIVER(n8080_state, screen_update_spacefev)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 8)
 	MCFG_PALETTE_INIT_OWNER(n8080_state,n8080)
@@ -549,6 +550,7 @@ static MACHINE_CONFIG_START( sheriff, n8080_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255, 16, 239)
 	MCFG_SCREEN_UPDATE_DRIVER(n8080_state, screen_update_sheriff)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 8)
 	MCFG_PALETTE_INIT_OWNER(n8080_state,n8080)
@@ -593,6 +595,7 @@ static MACHINE_CONFIG_START( helifire, n8080_state )
 	MCFG_SCREEN_UPDATE_DRIVER(n8080_state, screen_update_helifire)
 	MCFG_SCREEN_VBLANK_DRIVER(n8080_state, screen_eof_helifire)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 8 + 0x400)
 	MCFG_PALETTE_INIT_OWNER(n8080_state,helifire)
diff --git a/src/mame/drivers/nyny.c b/src/mame/drivers/nyny.c
index b400cb64137..146ab3708ee 100644
--- a/src/mame/drivers/nyny.c
+++ b/src/mame/drivers/nyny.c
@@ -596,6 +596,7 @@ static MACHINE_CONFIG_START( nyny, nyny_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, 256, 0, 256, 256, 0, 256)   /* temporary, CRTC will configure screen */
 	MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_RGB("palette")
 
diff --git a/src/mame/drivers/olibochu.c b/src/mame/drivers/olibochu.c
index a06d9b71154..7c2ec90fb25 100644
--- a/src/mame/drivers/olibochu.c
+++ b/src/mame/drivers/olibochu.c
@@ -471,6 +471,7 @@ static MACHINE_CONFIG_START( olibochu, olibochu_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(olibochu_state, screen_update_olibochu)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", olibochu)
 	MCFG_PALETTE_ADD("palette", 512)
diff --git a/src/mame/drivers/pachifev.c b/src/mame/drivers/pachifev.c
index a1c60b15de9..529a18beaed 100644
--- a/src/mame/drivers/pachifev.c
+++ b/src/mame/drivers/pachifev.c
@@ -355,6 +355,7 @@ static MACHINE_CONFIG_START( pachifev, pachifev_state )
 	MCFG_TMS9928A_VRAM_SIZE(0x4000)
 	MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" )
 	MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/panicr.c b/src/mame/drivers/panicr.c
index 0914c162be7..acc23bfde9f 100644
--- a/src/mame/drivers/panicr.c
+++ b/src/mame/drivers/panicr.c
@@ -621,6 +621,7 @@ static MACHINE_CONFIG_START( panicr, panicr_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(panicr_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", panicr)
 	MCFG_PALETTE_ADD("palette", 256*4)
diff --git a/src/mame/drivers/portrait.c b/src/mame/drivers/portrait.c
index 0317c520079..3724b3183e4 100644
--- a/src/mame/drivers/portrait.c
+++ b/src/mame/drivers/portrait.c
@@ -260,6 +260,7 @@ static MACHINE_CONFIG_START( portrait, portrait_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 54*8-1, 0*8, 40*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(portrait_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", portrait)
 	MCFG_PALETTE_ADD("palette", 0x800)
diff --git a/src/mame/drivers/progolf.c b/src/mame/drivers/progolf.c
index 8bb8b7a707c..38f1166ebbd 100644
--- a/src/mame/drivers/progolf.c
+++ b/src/mame/drivers/progolf.c
@@ -439,6 +439,7 @@ static MACHINE_CONFIG_START( progolf, progolf_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(progolf_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", progolf)
 	MCFG_PALETTE_ADD("palette", 32*3)
diff --git a/src/mame/drivers/psychic5.c b/src/mame/drivers/psychic5.c
index 63353a90ef9..9962ce58204 100644
--- a/src/mame/drivers/psychic5.c
+++ b/src/mame/drivers/psychic5.c
@@ -720,6 +720,7 @@ static MACHINE_CONFIG_START( psychic5, psychic5_state )
 	MCFG_SCREEN_SIZE(32*8, 32*8)
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(psychic5_state, screen_update_psychic5)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", psychic5)
 	MCFG_PALETTE_ADD("palette", 768)
@@ -775,6 +776,7 @@ static MACHINE_CONFIG_START( bombsa, psychic5_state )
 	MCFG_SCREEN_SIZE(64*8, 32*8)
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(psychic5_state, screen_update_bombsa)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", bombsa)
 	MCFG_PALETTE_ADD("palette", 768)
diff --git a/src/mame/drivers/quantum.c b/src/mame/drivers/quantum.c
index 59c9bde6e6f..5aee7e2fcf7 100644
--- a/src/mame/drivers/quantum.c
+++ b/src/mame/drivers/quantum.c
@@ -277,6 +277,7 @@ static MACHINE_CONFIG_START( quantum, quantum_state )
 	MCFG_SCREEN_SIZE(400, 300)
 	MCFG_SCREEN_VISIBLE_AREA(0, 900, 0, 600)
 	MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_DEVICE_ADD("avg", AVG_QUANTUM, 0)
 	MCFG_AVGDVG_VECTOR("vector")
diff --git a/src/mame/drivers/quizpun2.c b/src/mame/drivers/quizpun2.c
index ec8e446456a..0a638355d9e 100644
--- a/src/mame/drivers/quizpun2.c
+++ b/src/mame/drivers/quizpun2.c
@@ -515,6 +515,7 @@ static MACHINE_CONFIG_START( quizpun2, quizpun2_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
 	MCFG_SCREEN_UPDATE_DRIVER(quizpun2_state, screen_update_quizpun2)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", quizpun2)
 	MCFG_PALETTE_ADD("palette", 0x200)
diff --git a/src/mame/drivers/r2dtank.c b/src/mame/drivers/r2dtank.c
index 527660d0424..5bd0bc994cc 100644
--- a/src/mame/drivers/r2dtank.c
+++ b/src/mame/drivers/r2dtank.c
@@ -447,6 +447,7 @@ static MACHINE_CONFIG_START( r2dtank, r2dtank_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, 256, 0, 256, 256, 0, 256)   /* temporary, CRTC will configure screen */
 	MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_BGR("palette")
 
diff --git a/src/mame/drivers/raiden.c b/src/mame/drivers/raiden.c
index 97b74c6c947..3ddcf74078f 100644
--- a/src/mame/drivers/raiden.c
+++ b/src/mame/drivers/raiden.c
@@ -292,6 +292,7 @@ static MACHINE_CONFIG_START( raiden, raiden_state )
 	MCFG_SCREEN_UPDATE_DRIVER(raiden_state, screen_update_raiden)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram16_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", raiden)
 	MCFG_PALETTE_ADD("palette", 2048)
diff --git a/src/mame/drivers/redalert.c b/src/mame/drivers/redalert.c
index 469e3253fc0..810a86041db 100644
--- a/src/mame/drivers/redalert.c
+++ b/src/mame/drivers/redalert.c
@@ -396,6 +396,7 @@ static MACHINE_CONFIG_START( redalert, redalert_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(redalert_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_FRAGMENT_ADD(redalert_audio)
@@ -410,6 +411,7 @@ static MACHINE_CONFIG_START( ww3, redalert_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(ww3_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_FRAGMENT_ADD(ww3_audio)
@@ -424,6 +426,7 @@ static MACHINE_CONFIG_START( panther, redalert_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(panther_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_FRAGMENT_ADD(ww3_audio)
@@ -438,6 +441,7 @@ static MACHINE_CONFIG_START( demoneye, redalert_state )
 
 	/* video hardware */
 	MCFG_FRAGMENT_ADD(demoneye_video)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_FRAGMENT_ADD(demoneye_audio)
diff --git a/src/mame/drivers/redclash.c b/src/mame/drivers/redclash.c
index f2d64bccf56..8678ad48e15 100644
--- a/src/mame/drivers/redclash.c
+++ b/src/mame/drivers/redclash.c
@@ -365,6 +365,7 @@ static MACHINE_CONFIG_START( zerohour, ladybug_state )
 	MCFG_SCREEN_UPDATE_DRIVER(ladybug_state, screen_update_redclash)
 	MCFG_SCREEN_VBLANK_DRIVER(ladybug_state, screen_eof_redclash)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", redclash)
 	MCFG_PALETTE_ADD("palette", 4*8+4*16+32)
@@ -394,6 +395,7 @@ static MACHINE_CONFIG_START( redclash, ladybug_state )
 	MCFG_SCREEN_UPDATE_DRIVER(ladybug_state, screen_update_redclash)
 	MCFG_SCREEN_VBLANK_DRIVER(ladybug_state, screen_eof_redclash)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", redclash)
 	MCFG_PALETTE_ADD("palette", 4*8+4*16+32)
diff --git a/src/mame/drivers/rocnrope.c b/src/mame/drivers/rocnrope.c
index 4823bc6d7fb..65815b453a7 100644
--- a/src/mame/drivers/rocnrope.c
+++ b/src/mame/drivers/rocnrope.c
@@ -211,6 +211,7 @@ static MACHINE_CONFIG_START( rocnrope, rocnrope_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(rocnrope_state, screen_update_rocnrope)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", rocnrope)
 	MCFG_PALETTE_ADD("palette", 16*16+16*16)
diff --git a/src/mame/drivers/rotaryf.c b/src/mame/drivers/rotaryf.c
index ff74598e930..95183717f2e 100644
--- a/src/mame/drivers/rotaryf.c
+++ b/src/mame/drivers/rotaryf.c
@@ -254,6 +254,7 @@ static MACHINE_CONFIG_START( rotaryf, rotaryf_state )
 	MCFG_SCREEN_VISIBLE_AREA(1*8, 30*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(rotaryf_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_SPEAKER_STANDARD_MONO("mono")
 
diff --git a/src/mame/drivers/sbrkout.c b/src/mame/drivers/sbrkout.c
index 33b8e1d5a10..4d474058e46 100644
--- a/src/mame/drivers/sbrkout.c
+++ b/src/mame/drivers/sbrkout.c
@@ -593,6 +593,7 @@ static MACHINE_CONFIG_START( sbrkout, sbrkout_state )
 	MCFG_SCREEN_RAW_PARAMS(MAIN_CLOCK/2, 384, 0, 256, 262, 0, 224)
 	MCFG_SCREEN_UPDATE_DRIVER(sbrkout_state, screen_update_sbrkout)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
 
diff --git a/src/mame/drivers/sbugger.c b/src/mame/drivers/sbugger.c
index 21c5f6747b0..95feba43db9 100644
--- a/src/mame/drivers/sbugger.c
+++ b/src/mame/drivers/sbugger.c
@@ -230,6 +230,7 @@ static MACHINE_CONFIG_START( sbugger, sbugger_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(sbugger_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 512)
 	MCFG_PALETTE_INIT_OWNER(sbugger_state, sbugger)
diff --git a/src/mame/drivers/scregg.c b/src/mame/drivers/scregg.c
index 652ebcbfacc..2a955f67dde 100644
--- a/src/mame/drivers/scregg.c
+++ b/src/mame/drivers/scregg.c
@@ -269,6 +269,7 @@ static MACHINE_CONFIG_START( dommy, scregg_state )
 	MCFG_SCREEN_RAW_PARAMS(XTAL_12MHz/2, 384, 8, 248, 272, 8, 248)
 	MCFG_SCREEN_UPDATE_DRIVER(scregg_state, screen_update_eggs)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", scregg)
 	MCFG_PALETTE_ADD("palette", 8)
@@ -301,6 +302,7 @@ static MACHINE_CONFIG_START( scregg, scregg_state )
 	MCFG_SCREEN_RAW_PARAMS(XTAL_12MHz/2, 384, 8, 248, 272, 8, 248)
 	MCFG_SCREEN_UPDATE_DRIVER(scregg_state, screen_update_eggs)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", scregg)
 	MCFG_PALETTE_ADD("palette", 8)
diff --git a/src/mame/drivers/segag80r.c b/src/mame/drivers/segag80r.c
index 4b3d4c86657..2b8df16c0bb 100644
--- a/src/mame/drivers/segag80r.c
+++ b/src/mame/drivers/segag80r.c
@@ -824,6 +824,7 @@ static MACHINE_CONFIG_START( g80r_base, segag80r_state )
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(segag80r_state, screen_update_segag80r)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/segag80v.c b/src/mame/drivers/segag80v.c
index 6bbbf9cb348..0d9e606c5cf 100644
--- a/src/mame/drivers/segag80v.c
+++ b/src/mame/drivers/segag80v.c
@@ -884,6 +884,7 @@ static MACHINE_CONFIG_START( g80v_base, segag80v_state )
 	MCFG_SCREEN_SIZE(400, 300)
 	MCFG_SCREEN_VISIBLE_AREA(512, 1536, 640-32, 1408+32)
 	MCFG_SCREEN_UPDATE_DRIVER(segag80v_state, screen_update_segag80v)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_VECTOR_ADD("vector")
 
diff --git a/src/mame/drivers/spacefb.c b/src/mame/drivers/spacefb.c
index 34af4522f99..57594fd8f3c 100644
--- a/src/mame/drivers/spacefb.c
+++ b/src/mame/drivers/spacefb.c
@@ -352,6 +352,7 @@ static MACHINE_CONFIG_START( spacefb, spacefb_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(SPACEFB_PIXEL_CLOCK, SPACEFB_HTOTAL, SPACEFB_HBEND, SPACEFB_HBSTART, SPACEFB_VTOTAL, SPACEFB_VBEND, SPACEFB_VBSTART)
 	MCFG_SCREEN_UPDATE_DRIVER(spacefb_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* audio hardware */
 	MCFG_FRAGMENT_ADD(spacefb_audio)
diff --git a/src/mame/drivers/spaceg.c b/src/mame/drivers/spaceg.c
index e7b81a0ac7b..ac0048b8e03 100644
--- a/src/mame/drivers/spaceg.c
+++ b/src/mame/drivers/spaceg.c
@@ -427,6 +427,7 @@ static MACHINE_CONFIG_START( spaceg, spaceg_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 255, 32, 255)
 	MCFG_SCREEN_UPDATE_DRIVER(spaceg_state, screen_update_spaceg)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 16+128-16)
 	MCFG_PALETTE_INIT_OWNER(spaceg_state, spaceg)
diff --git a/src/mame/drivers/speedbal.c b/src/mame/drivers/speedbal.c
index 2768cd1b7fe..1d8aa694f83 100644
--- a/src/mame/drivers/speedbal.c
+++ b/src/mame/drivers/speedbal.c
@@ -275,6 +275,7 @@ static MACHINE_CONFIG_START( speedbal, speedbal_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(speedbal_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", speedbal)
 	MCFG_PALETTE_ADD("palette", 768)
diff --git a/src/mame/drivers/spiders.c b/src/mame/drivers/spiders.c
index 28b2c2e331c..8fa51e0230f 100644
--- a/src/mame/drivers/spiders.c
+++ b/src/mame/drivers/spiders.c
@@ -567,6 +567,7 @@ static MACHINE_CONFIG_START( spiders, spiders_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, 256, 0, 256, 256, 0, 256)   /* temporary, CRTC will configure screen */
 	MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_RGB("palette")
 
diff --git a/src/mame/drivers/srumbler.c b/src/mame/drivers/srumbler.c
index 22811adddaa..98ac80286ab 100644
--- a/src/mame/drivers/srumbler.c
+++ b/src/mame/drivers/srumbler.c
@@ -262,6 +262,7 @@ static MACHINE_CONFIG_START( srumbler, srumbler_state )
 	MCFG_SCREEN_UPDATE_DRIVER(srumbler_state, screen_update)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram8_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", srumbler)
 
diff --git a/src/mame/drivers/ssozumo.c b/src/mame/drivers/ssozumo.c
index 470d92d6cf2..11c742230c0 100644
--- a/src/mame/drivers/ssozumo.c
+++ b/src/mame/drivers/ssozumo.c
@@ -212,6 +212,7 @@ static MACHINE_CONFIG_START( ssozumo, ssozumo_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8 - 1, 1*8, 31*8 - 1)
 	MCFG_SCREEN_UPDATE_DRIVER(ssozumo_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", ssozumo)
 	MCFG_PALETTE_ADD("palette", 64 + 16)
diff --git a/src/mame/drivers/sspeedr.c b/src/mame/drivers/sspeedr.c
index a85b2103fc0..1e52e45a02e 100644
--- a/src/mame/drivers/sspeedr.c
+++ b/src/mame/drivers/sspeedr.c
@@ -203,6 +203,7 @@ static MACHINE_CONFIG_START( sspeedr, sspeedr_state )
 	MCFG_SCREEN_UPDATE_DRIVER(sspeedr_state, screen_update_sspeedr)
 	MCFG_SCREEN_VBLANK_DRIVER(sspeedr_state, screen_eof_sspeedr)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", sspeedr)
 	MCFG_PALETTE_ADD("palette", 16)
diff --git a/src/mame/drivers/sstrangr.c b/src/mame/drivers/sstrangr.c
index e1db1d7b53e..6836b635d89 100644
--- a/src/mame/drivers/sstrangr.c
+++ b/src/mame/drivers/sstrangr.c
@@ -197,6 +197,7 @@ static MACHINE_CONFIG_START( sstrangr, sstrangr_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 4*8, 32*8-1)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(sstrangr_state, screen_update_sstrangr)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 
diff --git a/src/mame/drivers/sub.c b/src/mame/drivers/sub.c
index 3282059da41..1e207e58b7f 100644
--- a/src/mame/drivers/sub.c
+++ b/src/mame/drivers/sub.c
@@ -459,6 +459,7 @@ static MACHINE_CONFIG_START( sub, sub_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
 	MCFG_SCREEN_UPDATE_DRIVER(sub_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", sub)
 	MCFG_PALETTE_ADD("palette", 0x400)
diff --git a/src/mame/drivers/summit.c b/src/mame/drivers/summit.c
index 2f7191175a9..0b95bc28d05 100644
--- a/src/mame/drivers/summit.c
+++ b/src/mame/drivers/summit.c
@@ -317,6 +317,7 @@ static MACHINE_CONFIG_START( summit, summit_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
 	MCFG_SCREEN_UPDATE_DRIVER(summit_state, screen_update_summit)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", summit)
 
diff --git a/src/mame/drivers/sumt8035.c b/src/mame/drivers/sumt8035.c
index 9de2d25a847..160a0afecfa 100644
--- a/src/mame/drivers/sumt8035.c
+++ b/src/mame/drivers/sumt8035.c
@@ -256,5 +256,5 @@ ROM_START( sm_ultng )
 ROM_END
 
 
-GAME( 1981, sm_ngacc,  0,    summit, summit, driver_device,  0, ROT270, "Summit Coin", "Nudge Accumulator (Summit Coin)", MACHINE_IS_SKELETON_MECHANICAL )
-GAME( 1981, sm_ultng,  0,    summit, summit, driver_device,  0, ROT270, "Summit Coin", "Ultimate Nudge (Summit Coin)", MACHINE_IS_SKELETON_MECHANICAL )
+GAME( 1981, sm_ngacc,  0,    summit, summit, driver_device,  0, ROT0, "Summit Coin", "Nudge Accumulator (Summit Coin)", MACHINE_IS_SKELETON_MECHANICAL )
+GAME( 1981, sm_ultng,  0,    summit, summit, driver_device,  0, ROT0, "Summit Coin", "Ultimate Nudge (Summit Coin)", MACHINE_IS_SKELETON_MECHANICAL )
diff --git a/src/mame/drivers/tagteam.c b/src/mame/drivers/tagteam.c
index 520aaf9c623..273cfd136e8 100644
--- a/src/mame/drivers/tagteam.c
+++ b/src/mame/drivers/tagteam.c
@@ -228,6 +228,7 @@ static MACHINE_CONFIG_START( tagteam, tagteam_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(tagteam_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", tagteam)
 	MCFG_PALETTE_ADD("palette", 32)
diff --git a/src/mame/drivers/tattack.c b/src/mame/drivers/tattack.c
index 186ade3a0dc..23bdaa6f38a 100644
--- a/src/mame/drivers/tattack.c
+++ b/src/mame/drivers/tattack.c
@@ -216,6 +216,7 @@ static MACHINE_CONFIG_START( tattack, tattack_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(tattack_state, screen_update_tattack)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", tattack)
 	MCFG_PALETTE_ADD("palette", 16)
diff --git a/src/mame/drivers/tempest.c b/src/mame/drivers/tempest.c
index 507d01a6e0b..f111f47e0aa 100644
--- a/src/mame/drivers/tempest.c
+++ b/src/mame/drivers/tempest.c
@@ -602,6 +602,7 @@ static MACHINE_CONFIG_START( tempest, tempest_state )
 	MCFG_SCREEN_SIZE(400, 300)
 	MCFG_SCREEN_VISIBLE_AREA(0, 580, 0, 570)
 	MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_DEVICE_ADD("avg", AVG_TEMPEST, 0)
 	MCFG_AVGDVG_VECTOR("vector")
diff --git a/src/mame/drivers/terracre.c b/src/mame/drivers/terracre.c
index dab4575a2b8..dece3558c41 100644
--- a/src/mame/drivers/terracre.c
+++ b/src/mame/drivers/terracre.c
@@ -533,6 +533,7 @@ static MACHINE_CONFIG_START( ym3526, terracre_state )
 	MCFG_SCREEN_UPDATE_DRIVER(terracre_state, screen_update_amazon)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram16_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", terracre)
 	MCFG_PALETTE_ADD("palette", 1*16+16*16+16*256)
diff --git a/src/mame/drivers/thedeep.c b/src/mame/drivers/thedeep.c
index e999027842b..4b78e8aeb5e 100644
--- a/src/mame/drivers/thedeep.c
+++ b/src/mame/drivers/thedeep.c
@@ -433,6 +433,7 @@ static MACHINE_CONFIG_START( thedeep, thedeep_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 0x100-1, 0, 0xf8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(thedeep_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", thedeep)
 	MCFG_PALETTE_ADD("palette", 512)
diff --git a/src/mame/drivers/toobin.c b/src/mame/drivers/toobin.c
index 90d36d79ccd..c871ecc4f68 100644
--- a/src/mame/drivers/toobin.c
+++ b/src/mame/drivers/toobin.c
@@ -215,6 +215,7 @@ static MACHINE_CONFIG_START( toobin, toobin_state )
 	MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
 	MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK/2, 640, 0, 512, 416, 0, 384)
 	MCFG_SCREEN_UPDATE_DRIVER(toobin_state, screen_update)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", toobin)
 	MCFG_PALETTE_ADD("palette", 1024)
diff --git a/src/mame/drivers/travrusa.c b/src/mame/drivers/travrusa.c
index 57886c62d35..71d215571b2 100644
--- a/src/mame/drivers/travrusa.c
+++ b/src/mame/drivers/travrusa.c
@@ -318,6 +318,7 @@ static MACHINE_CONFIG_START( travrusa, travrusa_state )
 	MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 0*8, 32*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(travrusa_state, screen_update_travrusa)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", travrusa)
 
diff --git a/src/mame/drivers/twincobr.c b/src/mame/drivers/twincobr.c
index 98991e2b173..29006fe587b 100644
--- a/src/mame/drivers/twincobr.c
+++ b/src/mame/drivers/twincobr.c
@@ -683,6 +683,7 @@ static MACHINE_CONFIG_START( twincobr, twincobr_state )
 	MCFG_SCREEN_UPDATE_DRIVER(twincobr_state, screen_update_toaplan0)
 	MCFG_SCREEN_VBLANK_DEVICE("spriteram16", buffered_spriteram16_device, vblank_copy_rising)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", twincobr)
 	MCFG_PALETTE_ADD("palette", 1792)
diff --git a/src/mame/drivers/unkhorse.c b/src/mame/drivers/unkhorse.c
index 920f5d3052d..40f0406484c 100644
--- a/src/mame/drivers/unkhorse.c
+++ b/src/mame/drivers/unkhorse.c
@@ -214,6 +214,7 @@ static MACHINE_CONFIG_START( horse, horse_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(horse_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD_3BIT_BGR("palette")
 
diff --git a/src/mame/drivers/vaportra.c b/src/mame/drivers/vaportra.c
index 4f30b993a32..c06212ea01e 100644
--- a/src/mame/drivers/vaportra.c
+++ b/src/mame/drivers/vaportra.c
@@ -235,6 +235,7 @@ static MACHINE_CONFIG_START( vaportra, vaportra_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(vaportra_state, screen_update_vaportra)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", vaportra)
 	MCFG_PALETTE_ADD("palette", 1280)
diff --git a/src/mame/drivers/vectrex.c b/src/mame/drivers/vectrex.c
index e8c5ff105d7..9ec67645d68 100644
--- a/src/mame/drivers/vectrex.c
+++ b/src/mame/drivers/vectrex.c
@@ -103,6 +103,7 @@ static MACHINE_CONFIG_START( vectrex, vectrex_state )
 	MCFG_SCREEN_SIZE(400, 300)
 	MCFG_SCREEN_VISIBLE_AREA(0, 399, 0, 299)
 	MCFG_SCREEN_UPDATE_DRIVER(vectrex_state, screen_update_vectrex)
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
diff --git a/src/mame/drivers/vega.c b/src/mame/drivers/vega.c
index 717a077053e..bf3897d1ef7 100644
--- a/src/mame/drivers/vega.c
+++ b/src/mame/drivers/vega.c
@@ -828,6 +828,7 @@ static MACHINE_CONFIG_START( vega, vega_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 280, 0*8, 239)
 	MCFG_SCREEN_UPDATE_DRIVER(vega_state, screen_update_vega)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_PALETTE_ADD("palette", 0x100)
 	MCFG_PALETTE_INIT_OWNER(vega_state, vega)
diff --git a/src/mame/drivers/videopin.c b/src/mame/drivers/videopin.c
index 36f089ed347..baf03bf042b 100644
--- a/src/mame/drivers/videopin.c
+++ b/src/mame/drivers/videopin.c
@@ -368,6 +368,7 @@ static MACHINE_CONFIG_START( videopin, videopin_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 303, 0, 255)
 	MCFG_SCREEN_UPDATE_DRIVER(videopin_state, screen_update)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", videopin)
 
diff --git a/src/mame/drivers/volfied.c b/src/mame/drivers/volfied.c
index fa5e6c2a55c..db3a56828e7 100644
--- a/src/mame/drivers/volfied.c
+++ b/src/mame/drivers/volfied.c
@@ -247,6 +247,7 @@ static MACHINE_CONFIG_START( volfied, volfied_state )
 	MCFG_SCREEN_VISIBLE_AREA(0, 319, 8, 247)
 	MCFG_SCREEN_UPDATE_DRIVER(volfied_state, screen_update_volfied)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", volfied)
 	MCFG_PALETTE_ADD("palette", 8192)
diff --git a/src/mame/drivers/wyvernf0.c b/src/mame/drivers/wyvernf0.c
index 1a8aabe32da..a0fb579bf3c 100644
--- a/src/mame/drivers/wyvernf0.c
+++ b/src/mame/drivers/wyvernf0.c
@@ -652,6 +652,7 @@ static MACHINE_CONFIG_START( wyvernf0, wyvernf0_state )
 	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
 	MCFG_SCREEN_UPDATE_DRIVER(wyvernf0_state, screen_update_wyvernf0)
 	MCFG_SCREEN_PALETTE("palette")
+	MCFG_SCREEN_ORIENTATION(ROT270)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", "palette", wyvernf0)
 	MCFG_PALETTE_ADD("palette", 512)