diff --git a/src/mame/audio/namco52.h b/src/mame/audio/namco52.h
index 50419704c8b..8af8dbbac50 100644
--- a/src/mame/audio/namco52.h
+++ b/src/mame/audio/namco52.h
@@ -9,7 +9,7 @@
 #define MCFG_NAMCO_52XX_ADD(_tag, _clock) \
 	MCFG_DEVICE_ADD(_tag, NAMCO_52XX, _clock)
 
-#define MCFG_NAMCO_52XX_DICRETE(_tag) \
+#define MCFG_NAMCO_52XX_DISCRETE(_tag) \
 	namco_52xx_device::set_discrete(*device, "^" _tag);
 
 #define MCFG_NAMCO_52XX_BASENODE(_node) \
diff --git a/src/mame/audio/namco54.h b/src/mame/audio/namco54.h
index c7a246aaf67..3abe55cd749 100644
--- a/src/mame/audio/namco54.h
+++ b/src/mame/audio/namco54.h
@@ -10,7 +10,7 @@
 #define MCFG_NAMCO_54XX_ADD(_tag, _clock) \
 	MCFG_DEVICE_ADD(_tag, NAMCO_54XX, _clock)
 
-#define MCFG_NAMCO_54XX_DICRETE(_tag) \
+#define MCFG_NAMCO_54XX_DISCRETE(_tag) \
 	namco_54xx_device::set_discrete(*device, "^" _tag);
 
 #define MCFG_NAMCO_54XX_BASENODE(_node) \
diff --git a/src/mame/drivers/galaga.c b/src/mame/drivers/galaga.c
index 3a6a4454a55..7f5ffe31d74 100644
--- a/src/mame/drivers/galaga.c
+++ b/src/mame/drivers/galaga.c
@@ -1633,14 +1633,14 @@ static MACHINE_CONFIG_START( bosco, bosco_state )
 	
 	
 	MCFG_NAMCO_52XX_ADD("52xx", MASTER_CLOCK/6/2)      /* 1.536 MHz */
-	MCFG_NAMCO_52XX_DICRETE("discrete")
+	MCFG_NAMCO_52XX_DISCRETE("discrete")
 	MCFG_NAMCO_52XX_BASENODE(NODE_04)
 	MCFG_NAMCO_52XX_EXT_CLOCK(ATTOSECONDS_IN_NSEC(PERIOD_OF_555_ASTABLE_NSEC(RES_K(33), RES_K(10), CAP_U(0.0047))))
 	MCFG_NAMCO_52XX_ROMREAD_CB(READ8(galaga_state,namco_52xx_rom_r))
 	MCFG_NAMCO_52XX_SI_CB(READ8(galaga_state,namco_52xx_si_r))
 
 	MCFG_NAMCO_54XX_ADD("54xx", MASTER_CLOCK/6/2)      /* 1.536 MHz */
-	MCFG_NAMCO_54XX_DICRETE("discrete")
+	MCFG_NAMCO_54XX_DISCRETE("discrete")
 	MCFG_NAMCO_54XX_BASENODE(NODE_01)
 	
 	MCFG_NAMCO_06XX_ADD("06xx_0", MASTER_CLOCK/6/64)
@@ -1714,7 +1714,7 @@ static MACHINE_CONFIG_START( galaga, galaga_state )
 	MCFG_NAMCO_51XX_OUTPUT_1_CB(WRITE8(galaga_state,out_1))
 	
 	MCFG_NAMCO_54XX_ADD("54xx", MASTER_CLOCK/6/2)      /* 1.536 MHz */
-	MCFG_NAMCO_54XX_DICRETE("discrete")
+	MCFG_NAMCO_54XX_DISCRETE("discrete")
 	MCFG_NAMCO_54XX_BASENODE(NODE_01)
 
 	MCFG_NAMCO_06XX_ADD("06xx", MASTER_CLOCK/6/64)
@@ -1800,7 +1800,7 @@ static MACHINE_CONFIG_START( xevious, xevious_state )
 	MCFG_NAMCO_51XX_OUTPUT_1_CB(WRITE8(galaga_state,out_1))
 	
 	MCFG_NAMCO_54XX_ADD("54xx", MASTER_CLOCK/6/2)      /* 1.536 MHz */
-	MCFG_NAMCO_54XX_DICRETE("discrete")
+	MCFG_NAMCO_54XX_DISCRETE("discrete")
 	MCFG_NAMCO_54XX_BASENODE(NODE_01)
 
 	MCFG_NAMCO_06XX_ADD("06xx", MASTER_CLOCK/6/64)
diff --git a/src/mame/drivers/polepos.c b/src/mame/drivers/polepos.c
index 054f76d98b6..93a38e3e301 100644
--- a/src/mame/drivers/polepos.c
+++ b/src/mame/drivers/polepos.c
@@ -859,7 +859,7 @@ static MACHINE_CONFIG_START( polepos, polepos_state )
 	MCFG_NAMCO_51XX_OUTPUT_1_CB(WRITE8(polepos_state,out_1))	
 
 	MCFG_NAMCO_52XX_ADD("52xx", MASTER_CLOCK/8/2)      /* 1.536 MHz */
-	MCFG_NAMCO_52XX_DICRETE("discrete")
+	MCFG_NAMCO_52XX_DISCRETE("discrete")
 	MCFG_NAMCO_52XX_BASENODE(NODE_04)
 	MCFG_NAMCO_52XX_ROMREAD_CB(READ8(polepos_state,namco_52xx_rom_r))
 	MCFG_NAMCO_52XX_SI_CB(READ8(polepos_state,namco_52xx_si_r))
@@ -872,7 +872,7 @@ static MACHINE_CONFIG_START( polepos, polepos_state )
 	MCFG_NAMCO_53XX_INPUT_3_CB(IOPORT("DSWA_HI"))
 	
 	MCFG_NAMCO_54XX_ADD("54xx", MASTER_CLOCK/8/2)  /* 1.536 MHz */
-	MCFG_NAMCO_54XX_DICRETE("discrete")
+	MCFG_NAMCO_54XX_DISCRETE("discrete")
 	MCFG_NAMCO_54XX_BASENODE(NODE_01)
 
 	MCFG_NAMCO_06XX_ADD("06xx", MASTER_CLOCK/8/64)