diff --git a/src/mame/drivers/fidel68k.cpp b/src/mame/drivers/fidel68k.cpp
index a24c265cf5b..d1239636236 100644
--- a/src/mame/drivers/fidel68k.cpp
+++ b/src/mame/drivers/fidel68k.cpp
@@ -454,9 +454,9 @@ ROM_END
 ROM_START( feagv11 )
 	ROM_REGION( 0x20000, "maincpu", 0 )
 	ROM_LOAD32_BYTE("16", 0x00000, 0x08000, CRC(8375d61f) SHA1(e042f6f01480c59ee09a458cf34f135664479824) ) // 27c256
+	ROM_LOAD32_BYTE("17", 0x00001, 0x08000, CRC(bfd14916) SHA1(115af6dfd29ddd8ad6d2ce390f8ecc4d60de6fce) ) // "
 	ROM_LOAD32_BYTE("18", 0x00002, 0x08000, CRC(9341dcaf) SHA1(686bd4799e89ffaf11a813d4cf5a2aedd4c2d97a) ) // "
 	ROM_LOAD32_BYTE("19", 0x00003, 0x08000, CRC(a70c5468) SHA1(7f6b4f46577d5cfdaa84d387c7ce35d941e5bbc7) ) // "
-	ROM_LOAD32_BYTE("17", 0x00001, 0x08000, CRC(bfd14916) SHA1(115af6dfd29ddd8ad6d2ce390f8ecc4d60de6fce) ) // "
 ROM_END
 
 #define rom_feagv10 rom_feagv11
diff --git a/src/mame/drivers/hh_hmcs40.cpp b/src/mame/drivers/hh_hmcs40.cpp
index 6687e7f8994..a246450d98e 100644
--- a/src/mame/drivers/hh_hmcs40.cpp
+++ b/src/mame/drivers/hh_hmcs40.cpp
@@ -2073,9 +2073,9 @@ static MACHINE_CONFIG_START( cdkong, cdkong_state )
 	MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_hmcs40_state, display_decay_tick, attotime::from_msec(1))
 
 	MCFG_SCREEN_SVG_ADD("screen", "svg")
-	MCFG_SCREEN_REFRESH_RATE(10)
-	MCFG_SCREEN_SIZE(538, 1001)
-	MCFG_SCREEN_VISIBLE_AREA(0, 537, 0, 1000)
+	MCFG_SCREEN_REFRESH_RATE(50)
+	MCFG_SCREEN_SIZE(559, 998)
+	MCFG_SCREEN_VISIBLE_AREA(0, 558, 0, 997)
 	MCFG_DEFAULT_LAYOUT(layout_svg)
 
 	/* sound hardware */
@@ -3967,8 +3967,8 @@ ROM_START( cdkong )
 	ROM_LOAD( "hd38820a45", 0x0000, 0x1000, CRC(196b8070) SHA1(da85d1eb4b048b77f3168630662ab94ec9baa262) )
 	ROM_CONTINUE(           0x1e80, 0x0100 )
 
-	ROM_REGION( 714102, "svg", 0)
-	ROM_LOAD( "cdkong.svg", 0, 714102, CRC(184bbe69) SHA1(98554341054246e5d76e0779620498e6cb723958) )
+	ROM_REGION( 359199, "svg", 0)
+	ROM_LOAD( "cdkong.svg", 0, 359199, CRC(ba159fd5) SHA1(3188e2ed3234f39ac9ee93a485a7e73314bc3457) ) // version 8 april 2016. by Rik, kevtris
 ROM_END