diff --git a/src/mame/drivers/baraduke.c b/src/mame/drivers/baraduke.c
index 4cc7d23e6ad..79347417736 100644
--- a/src/mame/drivers/baraduke.c
+++ b/src/mame/drivers/baraduke.c
@@ -375,11 +375,11 @@ static const namco_interface namco_config =
 static MACHINE_CONFIG_START( baraduke, baraduke_state )
 
 	/* basic machine hardware */
-	MCFG_CPU_ADD("maincpu", M6809,49152000/32)
+	MCFG_CPU_ADD("maincpu", M6809, XTAL_49_152MHz/32)
 	MCFG_CPU_PROGRAM_MAP(baraduke_map)
 	MCFG_CPU_VBLANK_INT_DRIVER("screen", baraduke_state,  irq0_line_assert)
 
-	MCFG_CPU_ADD("mcu", HD63701,49152000/8)
+	MCFG_CPU_ADD("mcu", HD63701, XTAL_49_152MHz/8)
 	MCFG_CPU_PROGRAM_MAP(mcu_map)
 	MCFG_CPU_IO_MAP(mcu_port_map)
 	MCFG_CPU_VBLANK_INT_DRIVER("screen", baraduke_state,  irq0_line_hold)
@@ -388,10 +388,7 @@ static MACHINE_CONFIG_START( baraduke, baraduke_state )
 
 	/* video hardware */
 	MCFG_SCREEN_ADD("screen", RASTER)
-	MCFG_SCREEN_REFRESH_RATE(60.606060)
-	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
-	MCFG_SCREEN_SIZE(64*8, 32*8)
-	MCFG_SCREEN_VISIBLE_AREA(0*8, 36*8-1, 2*8, 30*8-1)
+	MCFG_SCREEN_RAW_PARAMS(XTAL_49_152MHz/8, 384, 0, 36*8, 264, 2*8, 30*8)
 	MCFG_SCREEN_UPDATE_DRIVER(baraduke_state, screen_update_baraduke)
 	MCFG_SCREEN_VBLANK_DRIVER(baraduke_state, screen_eof_baraduke)
 
@@ -402,7 +399,7 @@ static MACHINE_CONFIG_START( baraduke, baraduke_state )
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
 
-	MCFG_SOUND_ADD("namco", NAMCO_CUS30, 49152000/2048)
+	MCFG_SOUND_ADD("namco", NAMCO_CUS30, XTAL_49_152MHz/2048)
 	MCFG_SOUND_CONFIG(namco_config)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
 MACHINE_CONFIG_END
diff --git a/src/mame/drivers/namcoic.c b/src/mame/drivers/namcoic.c
index 10e55134c05..479e1d88c7e 100644
--- a/src/mame/drivers/namcoic.c
+++ b/src/mame/drivers/namcoic.c
@@ -82,16 +82,9 @@ void namcos2_shared_state::namco_tilemap_init( int gfxbank, void *maskBaseAddr,
 		{
 			static const int adj[4] = { 4,2,1,0 };
 			int dx = 44+adj[i];
-			mTilemapInfo.tmap[i]->set_scrolldx( -dx, -(-384-dx) );
-			mTilemapInfo.tmap[i]->set_scrolldy( -24, 288 );
+			mTilemapInfo.tmap[i]->set_scrolldx( -dx, 288+dx );
+			mTilemapInfo.tmap[i]->set_scrolldy( -24, 224+24 );
 		}
-
-		mTilemapInfo.tmap[4]->set_scrolldx( 0, 96 );
-		mTilemapInfo.tmap[4]->set_scrolldy( 0, 40 );
-
-		mTilemapInfo.tmap[5]->set_scrolldx( 0, 96 );
-		mTilemapInfo.tmap[5]->set_scrolldy( 0, 40 );
-
 } /* namco_tilemap_init */
 
 void
diff --git a/src/mame/drivers/pacland.c b/src/mame/drivers/pacland.c
index 83ee5ad1842..a9d54776810 100644
--- a/src/mame/drivers/pacland.c
+++ b/src/mame/drivers/pacland.c
@@ -202,9 +202,7 @@ WRITE8_MEMBER(pacland_state::pacland_subreset_w)
 WRITE8_MEMBER(pacland_state::pacland_flipscreen_w)
 {
 	int bit = !BIT(offset,11);
-	/* can't use flip_screen_set() because the visible area is asymmetrical */
-	flip_screen_set_no_update(bit);
-	machine().tilemap().set_flip_all(flip_screen() ? (TILEMAP_FLIPX | TILEMAP_FLIPY) : 0);
+	flip_screen_set(bit);
 }
 
 
@@ -439,10 +437,7 @@ static MACHINE_CONFIG_START( pacland, pacland_state )
 
 	/* video hardware */
 	MCFG_SCREEN_ADD("screen", RASTER)
-	MCFG_SCREEN_REFRESH_RATE(60.606060)
-	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
-	MCFG_SCREEN_SIZE(64*8, 32*8)
-	MCFG_SCREEN_VISIBLE_AREA(3*8, 39*8-1, 2*8, 30*8-1)
+	MCFG_SCREEN_RAW_PARAMS(XTAL_49_152MHz/8, 384, 3*8, 39*8, 264, 2*8, 30*8)
 	MCFG_SCREEN_UPDATE_DRIVER(pacland_state, screen_update_pacland)
 
 	MCFG_GFXDECODE_ADD("gfxdecode", pacland)
diff --git a/src/mame/includes/pacland.h b/src/mame/includes/pacland.h
index dd2dc5a7e06..1aa49a7c847 100644
--- a/src/mame/includes/pacland.h
+++ b/src/mame/includes/pacland.h
@@ -51,6 +51,6 @@ public:
 	INTERRUPT_GEN_MEMBER(main_vblank_irq);
 	INTERRUPT_GEN_MEMBER(mcu_vblank_irq);
 	void switch_palette();
-	void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int whichmask);
+	void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int flip, int whichmask);
 	void draw_fg(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int priority );
 };
diff --git a/src/mame/video/baraduke.c b/src/mame/video/baraduke.c
index 0dc470b8a86..35fb6d36c43 100644
--- a/src/mame/video/baraduke.c
+++ b/src/mame/video/baraduke.c
@@ -123,7 +123,10 @@ void baraduke_state::video_start()
 	m_bg_tilemap[0]->set_transparent_pen(7);
 	m_bg_tilemap[1]->set_transparent_pen(7);
 
-	m_tx_tilemap->set_scrolldx(0,512-288);
+	m_bg_tilemap[0]->set_scrolldx(-26, -227+26);
+	m_bg_tilemap[1]->set_scrolldx(-24, -227+24);
+	m_bg_tilemap[0]->set_scrolldy(-9, 9);
+	m_bg_tilemap[1]->set_scrolldy(-9, 9);	
 	m_tx_tilemap->set_scrolldy(16,16);
 }
 
@@ -284,14 +287,12 @@ void baraduke_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprec
 
 void baraduke_state::set_scroll(int layer)
 {
-	static const int xdisp[2] = { 26, 24 };
-	int scrollx, scrolly;
+	int scrollx = m_xscroll[layer];
+	int scrolly = m_yscroll[layer];
 
-	scrollx = m_xscroll[layer] + xdisp[layer];
-	scrolly = m_yscroll[layer] + 9;
 	if (flip_screen())
 	{
-		scrollx = -scrollx + 3;
+		scrollx = -scrollx;
 		scrolly = -scrolly;
 	}
 
@@ -306,9 +307,7 @@ UINT32 baraduke_state::screen_update_baraduke(screen_device &screen, bitmap_ind1
 	int back;
 
 	/* flip screen is embedded in the sprite control registers */
-	/* can't use flip_screen_set() because the visible area is asymmetrical */
-	flip_screen_set_no_update(spriteram[0x07f6] & 0x01);
-	machine().tilemap().set_flip_all(flip_screen() ? (TILEMAP_FLIPX | TILEMAP_FLIPY) : 0);
+	flip_screen_set(spriteram[0x07f6] & 0x01);
 	set_scroll(0);
 	set_scroll(1);
 
diff --git a/src/mame/video/pacland.c b/src/mame/video/pacland.c
index 3169cb082aa..7848f33b71d 100644
--- a/src/mame/video/pacland.c
+++ b/src/mame/video/pacland.c
@@ -198,6 +198,8 @@ void pacland_state::video_start()
 	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(pacland_state::get_bg_tile_info),this),TILEMAP_SCAN_ROWS,8,8,64,32);
 	m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(pacland_state::get_fg_tile_info),this),TILEMAP_SCAN_ROWS,8,8,64,32);
 
+	m_bg_tilemap->set_scrolldx(3, 340);
+	m_fg_tilemap->set_scrolldx(0, 336); /* scrolling portion needs an additional offset when flipped */
 	m_fg_tilemap->set_scroll_rows(32);
 
 	/* create one group per color code; for each group, set the transparency mask
@@ -271,7 +273,7 @@ WRITE8_MEMBER(pacland_state::pacland_bankswitch_w)
 ***************************************************************************/
 
 /* the sprite generator IC is the same as Mappy */
-void pacland_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int whichmask)
+void pacland_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int flip, int whichmask)
 {
 	UINT8 *spriteram = m_spriteram + 0x780;
 	UINT8 *spriteram_2 = spriteram + 0x800;
@@ -298,7 +300,7 @@ void pacland_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, co
 		sprite &= ~sizex;
 		sprite &= ~(sizey << 1);
 
-		if (flip_screen())
+		if (flip)
 		{
 			flipx ^= 1;
 			flipy ^= 1;
@@ -365,16 +367,17 @@ void pacland_state::draw_fg(screen_device &screen, bitmap_ind16 &bitmap, const r
 UINT32 pacland_state::screen_update_pacland(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
 {
 	int row;
+	int flip = flip_screen();
 
 	for (row = 5; row < 29; row++)
-		m_fg_tilemap->set_scrollx(row, flip_screen() ? m_scroll0-7 : m_scroll0);
-	m_bg_tilemap->set_scrollx(0, flip_screen() ? m_scroll1-4 : m_scroll1-3);
+		m_fg_tilemap->set_scrollx(row, m_scroll0 - (flip ? 7 : 0));
+	m_bg_tilemap->set_scrollx(0, m_scroll1);
 
 	/* draw high priority sprite pixels, setting priority bitmap to non-zero
 	   wherever there is a high-priority pixel; note that we draw to the bitmap
 	   which is safe because the bg_tilemap draw will overwrite everything */
 	screen.priority().fill(0x00, cliprect);
-	draw_sprites(screen, bitmap, cliprect, 0);
+	draw_sprites(screen, bitmap, cliprect, flip, 0);
 
 	/* draw background */
 	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
@@ -383,12 +386,12 @@ UINT32 pacland_state::screen_update_pacland(screen_device &screen, bitmap_ind16
 	draw_fg(screen, bitmap, cliprect, 0);
 
 	/* draw sprites with regular transparency */
-	draw_sprites(screen, bitmap, cliprect, 1);
+	draw_sprites(screen, bitmap, cliprect, flip, 1);
 
 	/* draw high priority fg tiles */
 	draw_fg(screen, bitmap, cliprect, 1);
 
 	/* draw sprite pixels with colortable values >= 0xf0, which have priority over everything */
-	draw_sprites(screen, bitmap, cliprect, 2);
+	draw_sprites(screen, bitmap, cliprect, flip, 2);
 	return 0;
 }