diff --git a/src/mame/drivers/yunsung8.c b/src/mame/drivers/yunsung8.c
index 4142607d84b..317178a8e30 100644
--- a/src/mame/drivers/yunsung8.c
+++ b/src/mame/drivers/yunsung8.c
@@ -56,10 +56,10 @@ VIDEO_UPDATE( yunsung8 );
 static MACHINE_RESET( yunsung8 )
 {
 	const address_space *space = cpu_get_address_space(machine->cpu[0], ADDRESS_SPACE_PROGRAM);
-	UINT8 *RAM = memory_region(machine, "main") + 0x24000;
-
-	yunsung8_videoram_0 = RAM + 0x0000;	// Ram is banked
-	yunsung8_videoram_1 = RAM + 0x2000;
+	UINT8* yunsung8_videoram = auto_malloc(0x4000);
+	
+	yunsung8_videoram_0 = yunsung8_videoram + 0x0000;	// Ram is banked
+	yunsung8_videoram_1 = yunsung8_videoram + 0x2000;
 	yunsung8_videobank_w(space,0,0);
 }
 
@@ -345,6 +345,12 @@ static INPUT_PORTS_START( cannball )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
 INPUT_PORTS_END
 
+static INPUT_PORTS_START( cannbalv )
+	PORT_INCLUDE(cannball)
+	PORT_MODIFY("SYSTEM")
+	PORT_BIT(  0x40, IP_ACTIVE_HIGH, IPT_SPECIAL  ) // always activated, otherwise the game resets. a simple check for horizontal / vertical version of the game?
+INPUT_PORTS_END
+
 /***************************************************************************
                                     Rock Tris
 ***************************************************************************/
@@ -561,11 +567,9 @@ OSC : 16.000
 
 ROM_START( magix )
 
-	ROM_REGION( 0x24000+0x4000, "main", 0 )		/* Main Z80 Code */
+	ROM_REGION( 0x24000, "main", 0 )		/* Main Z80 Code */
 	ROM_LOAD( "yunsung8.07", 0x00000, 0x0c000, CRC(d4d0b68b) SHA1(d7e1fb57a14f8b822791b98cecc6d5a053a89e0f) )
 	ROM_CONTINUE(         0x10000, 0x14000             )
-	/* $2000 bytes for bank 0 of video ram (text) */
-	/* $2000 bytes for bank 1 of video ram (background) */
 
 	ROM_REGION( 0x24000, "audio", 0 )		/* Sound Z80 Code */
 	ROM_LOAD( "yunsung8.08", 0x00000, 0x0c000, CRC(6fd60be9) SHA1(87622dc2967842629e90a02b415bec86cc26cbc7) )
@@ -601,11 +605,9 @@ Cy7c384A
 
 ROM_START( cannball )
 
-	ROM_REGION( 0x24000+0x4000, "main", 0 )		/* Main Z80 Code */
+	ROM_REGION( 0x24000, "main", 0 )		/* Main Z80 Code */
 	ROM_LOAD( "cannball.07", 0x00000, 0x0c000, CRC(17db56b4) SHA1(032e3dbde0b0e315dcb5f2b31f57e75e78818f2d) )
 	ROM_CONTINUE(            0x10000, 0x14000             )
-	/* $2000 bytes for bank 0 of video ram (text) */
-	/* $2000 bytes for bank 1 of video ram (background) */
 
 	ROM_REGION( 0x24000, "audio", 0 )		/* Sound Z80 Code */
 	ROM_LOAD( "cannball.08", 0x00000, 0x0c000, CRC(11403875) SHA1(9f583bc4f08e7aef3fd0f3fe3f31cce1d226641a) )
@@ -623,6 +625,30 @@ ROM_START( cannball )
 
 ROM_END
 
+
+ROM_START( cannbalv )
+
+	ROM_REGION( 0x24000, "main", 0 )		/* Main Z80 Code */
+	ROM_LOAD( "yunsung1", 0x00000, 0x0c000, CRC(f7398b0d) SHA1(f2cdb9c4662cd325376d25ae9611f689605042db) )
+	ROM_CONTINUE(            0x10000, 0x14000             )
+
+	ROM_REGION( 0x24000, "audio", 0 )		/* Sound Z80 Code */
+	ROM_LOAD( "yunsung8", 0x00000, 0x0c000, CRC(11403875) SHA1(9f583bc4f08e7aef3fd0f3fe3f31cce1d226641a) )
+	ROM_CONTINUE(            0x10000, 0x14000             )
+
+	ROM_REGION( 0x200000, "gfx1", ROMREGION_DISPOSE )	/* Background */
+	ROM_LOAD( "yunsung7",  0x000000, 0x80000, CRC(a5f1a648) SHA1(7a5bf5bc0ad257ccb12104512e98dfb3525babfc) )
+	ROM_LOAD( "yunsung6",  0x080000, 0x80000, CRC(8baa686e) SHA1(831c3e2864d262bf5429dca6653c83dc976e610e) )
+	ROM_LOAD( "yunsung5",  0x100000, 0x80000, CRC(a7f2ce51) SHA1(81632aca067f2c8c45488266c4489d9af24fb552) )
+	ROM_LOAD( "yunsung4",  0x180000, 0x80000, CRC(74bef793) SHA1(6208580ce747cec3d410ce3c71e07aa570b9121d) )
+
+	ROM_REGION( 0x40000, "gfx2", ROMREGION_DISPOSE )	/* Text */
+	ROM_LOAD( "yunsung3", 0x00000, 0x20000, CRC(8217abbe) SHA1(1a459a816a1aa5b68858e39c4a21bd78ee78dcab) )
+	ROM_LOAD( "yunsung2", 0x20000, 0x20000, CRC(76de1045) SHA1(a3845ee1874e6ec0ce26e6e73e4643243779e70d) )
+
+ROM_END
+
+
 /***************************************************************************
 
 Rock Tris by Yunsung
@@ -645,11 +671,9 @@ they jumpered the first position)
 
 ROM_START( rocktris )
 
-	ROM_REGION( 0x24000+0x4000, "main", 0 )		/* Main Z80 Code */
+	ROM_REGION( 0x24000, "main", 0 )		/* Main Z80 Code */
 	ROM_LOAD( "cpu.bin",     0x00000, 0x0c000, CRC(46e3b79c) SHA1(81a587b9f986c4e39b1888ec6ed6b86d1469b9a0) )
 	ROM_CONTINUE(         0x10000, 0x14000             )
-	/* $2000 bytes for bank 0 of video ram (text) */
-	/* $2000 bytes for bank 1 of video ram (background) */
 
 	ROM_REGION( 0x24000, "audio", 0 )		/* Sound Z80 Code */
 	ROM_LOAD( "cpu2.bin",    0x00000, 0x0c000, CRC(3a78a4cf) SHA1(f643c7a217cbb71f3a03f1f4a16545c546332819) )
@@ -679,6 +703,7 @@ ROM_END
 
 ***************************************************************************/
 
-GAME( 1995,  cannball, 0, yunsung8, cannball, 0, ROT0, "Yun Sung / Soft Vision", "Cannon Ball (Yun Sung)",  GAME_IMPERFECT_SOUND )
-GAME( 1995,  magix,    0, yunsung8, magix,    0, ROT0, "Yun Sung",               "Magix / Rock", GAME_IMPERFECT_SOUND ) // Title: DSW
-GAME( 1994?, rocktris, 0, yunsung8, rocktris, 0, ROT0, "Yun Sung",               "Rock Tris",    GAME_IMPERFECT_SOUND )
+GAME( 1995,  cannball, 0,        yunsung8, cannball, 0, ROT0,   "Yun Sung / Soft Vision", "Cannon Ball (Yun Sung) (horizontal)",  GAME_IMPERFECT_SOUND )
+GAME( 1995,  cannbalv, cannball, yunsung8, cannbalv, 0, ROT270, "Yun Sung / T&K",         "Cannon Ball (Yun Sung) (vertical)",  GAME_IMPERFECT_SOUND )
+GAME( 1995,  magix,    0,        yunsung8, magix,    0, ROT0,   "Yun Sung",               "Magix / Rock", GAME_IMPERFECT_SOUND ) // Title: DSW
+GAME( 1994?, rocktris, 0,        yunsung8, rocktris, 0, ROT0,   "Yun Sung",               "Rock Tris",    GAME_IMPERFECT_SOUND )
diff --git a/src/mame/mamedriv.c b/src/mame/mamedriv.c
index 0338fe65482..b386aca804c 100644
--- a/src/mame/mamedriv.c
+++ b/src/mame/mamedriv.c
@@ -7269,6 +7269,7 @@ Other Sun games
 	DRIVER( madball )	/* (c) 1998 Yun Sung */
 	DRIVER( madballn )	/* (c) 1998 Yun Sung */
 	DRIVER( cannball )	/* (c) 1995 Yun Sung / Soft Visio */
+	DRIVER( cannbalv )	/* (c) 1995 Yun Sung / T&K */
 	DRIVER( magix )		/* (c) 1995 Yun Sung */
 	DRIVER( rocktris )	/* (c) 1994? Yun Sung */
 	DRIVER( magicbub )	/* (c) Yun Sung */