diff --git a/src/mame/drivers/xorworld.c b/src/mame/drivers/xorworld.c
index 486b5da9b01..13d254bbcba 100644
--- a/src/mame/drivers/xorworld.c
+++ b/src/mame/drivers/xorworld.c
@@ -171,8 +171,11 @@ static MACHINE_CONFIG_START( xorworld, xorworld_state )
 	// basic machine hardware
 	MCFG_CPU_ADD("maincpu", M68000, 10000000)   // 10 MHz
 	MCFG_CPU_PROGRAM_MAP(xorworld_map)
-	MCFG_CPU_VBLANK_INT_DRIVER("screen", xorworld_state, irq6_line_assert) // irq 4 or 6
-	MCFG_CPU_PERIODIC_INT_DRIVER(xorworld_state, irq2_line_assert, 3*60) //timed irq, unknown timing
+	//MCFG_CPU_VBLANK_INT_DRIVER("screen", xorworld_state, irq6_line_assert) // irq 4 or 6
+	//MCFG_CPU_PERIODIC_INT_DRIVER(xorworld_state, irq2_line_assert, 3*60) //timed irq, unknown timing
+	// Simple fix - but this sounds good!! -Valley Bell
+	MCFG_CPU_VBLANK_INT_DRIVER("screen", xorworld_state, irq2_line_assert) // irq 4 or 6
+	MCFG_CPU_PERIODIC_INT_DRIVER(xorworld_state, irq6_line_assert, 3*60) //timed irq, unknown timing
 
 	MCFG_QUANTUM_TIME(attotime::from_hz(60))
 
diff --git a/src/mess/drivers/fmtowns.c b/src/mess/drivers/fmtowns.c
index fa6235e04d2..b901bae842e 100644
--- a/src/mess/drivers/fmtowns.c
+++ b/src/mess/drivers/fmtowns.c
@@ -2696,11 +2696,11 @@ static MACHINE_CONFIG_FRAGMENT( towns_base )
 
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
-	MCFG_SOUND_ADD("fm", YM3438, 53693100 / 7) // actual clock speed unknown
+	MCFG_SOUND_ADD("fm", YM3438, 16000000 / 2) // actual clock speed unknown
 	MCFG_YM2612_IRQ_HANDLER(WRITELINE(towns_state, towns_fm_irq))
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
 
-	MCFG_RF5C68_ADD("pcm", 53693100 / 7)  // actual clock speed unknown
+	MCFG_RF5C68_ADD("pcm", 16000000 / 2)  // actual clock speed unknown
 	MCFG_RF5C68_SAMPLE_END_CB(towns_state, towns_pcm_irq)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.50)
 	MCFG_SOUND_ADD("cdda",CDDA,0)