diff --git a/src/mame/drivers/fidel6502.cpp b/src/mame/drivers/fidel6502.cpp
index 074e7e69b6c..abb8503393d 100644
--- a/src/mame/drivers/fidel6502.cpp
+++ b/src/mame/drivers/fidel6502.cpp
@@ -419,7 +419,7 @@ public:
 	DECLARE_READ8_MEMBER(fexcelv_speech_r);
 	DECLARE_WRITE8_MEMBER(fexcel_ttl_w);
 	DECLARE_READ8_MEMBER(fexcel_ttl_r);
-	
+
 	// Chesster
 	DECLARE_WRITE8_MEMBER(chesster_control_w);
 	DECLARE_DRIVER_INIT(chesster);
diff --git a/src/mame/drivers/mac.cpp b/src/mame/drivers/mac.cpp
index d4d2a882bf8..2c10a769eef 100644
--- a/src/mame/drivers/mac.cpp
+++ b/src/mame/drivers/mac.cpp
@@ -2250,7 +2250,7 @@ ROM_START( mac128k )
 ROM_END
 
 ROM_START( mac512k )
-	ROM_REGION16_BE(0x20000, "bootrom", 0) // 
+	ROM_REGION16_BE(0x20000, "bootrom", 0) //
 	//ROM_LOAD16_WORD( "28ba4e50 - Macintosh-512k.rom",  0x00000, 0x10000, CRC(cf759e0d) SHA1(5b1ced181b74cecd3834c49c2a4aa1d7ffe944d7) )
 	ROMX_LOAD("vti__512_vh_6434__23256-1104__342-0220-b__(c)_apple_84__korea-a.rom-hi.27256.u6d",  0x00000, 0x08000, CRC(0dce9a3f) SHA1(101ca6570f5a273e400d1a8bc63e15ee0e94153e), ROM_SKIP(1) ) // "<VTi logo along side> 512 VH 6434 // 23256-1104 // 342-0220-B // (C) APPLE 84 // KOREA-A"
 	ROMX_LOAD("vti__512_vh_6709__23256-1105__342-0221-b__(c)_apple_84__korea-a.rom-lo.27256.u8d",  0x00001, 0x08000, CRC(d51f376e) SHA1(575586109e876cffa4a4d472cb38771aa21b70cb), ROM_SKIP(1) ) // "<VTi logo along side> 512 VH 6709 // 23256-1105 // 342-0221-B // (C) APPLE 84 // KOREA-A"
diff --git a/src/mame/machine/st0016.cpp b/src/mame/machine/st0016.cpp
index 7b4c8368ec4..9c108ee1d59 100644
--- a/src/mame/machine/st0016.cpp
+++ b/src/mame/machine/st0016.cpp
@@ -269,10 +269,10 @@ WRITE8_MEMBER(st0016_cpu_device::st0016_vregs_w)
 	   I/O ports:
 
 	    $74 x--- ---- global flip screen
-		    -xx- ---- individual flip screen x/y
-			i.e. Mayjinsen sets 0x80, other ST0016 games 0x60. 
-			TODO: Might also be paired with $70 & $75 (setted up by Mayjinsen).
-	   
+	        -xx- ---- individual flip screen x/y
+	        i.e. Mayjinsen sets 0x80, other ST0016 games 0x60.
+	        TODO: Might also be paired with $70 & $75 (setted up by Mayjinsen).
+
 	    $a0 \
 	    $a1 - source address >> 1
 	    $a2 /