diff --git a/src/mame/audio/8080bw.c b/src/mame/audio/8080bw.c
index 7d88b36416c..34223faf9a9 100644
--- a/src/mame/audio/8080bw.c
+++ b/src/mame/audio/8080bw.c
@@ -876,7 +876,7 @@ WRITE8_HANDLER( schaser_sh_port_2_w )
 
 	const device_config *discrete = devtag_get_device(space->machine, "discrete");
 
-    printf( "schaser_sh_port_2_w: %02x\n", data );
+    //printf( "schaser_sh_port_2_w: %02x\n", data );
 
 	discrete_sound_w(discrete, SCHASER_MUSIC_BIT, data & 0x01);
 
diff --git a/src/mame/drivers/hshavoc.c b/src/mame/drivers/hshavoc.c
index dfa48ad421a..eb0401ac6fd 100644
--- a/src/mame/drivers/hshavoc.c
+++ b/src/mame/drivers/hshavoc.c
@@ -300,6 +300,7 @@ static DRIVER_INIT(hshavoc)
 
 	}
 
+/* Uncommented until actively worked on
 	{
 		FILE*FP;
 
@@ -308,7 +309,7 @@ static DRIVER_INIT(hshavoc)
 		fwrite(src, rom_size/2, 2, FP);
 		fclose(FP);
 	}
-
+*/
 
 
 	DRIVER_INIT_CALL(genesis);
diff --git a/src/mame/drivers/ilpag.c b/src/mame/drivers/ilpag.c
index 9d66f29ad13..8d5af3746ec 100644
--- a/src/mame/drivers/ilpag.c
+++ b/src/mame/drivers/ilpag.c
@@ -174,9 +174,9 @@ static WRITE16_HANDLER( blit_copy_w )
 	int x,y,x_size,y_size;
 	UINT32 src;
 
-	printf("blit copy %04x %04x %04x %04x %04x\n", blit_romaddr[0], blit_attr1_ram[0], blit_dst_ram_loword[0], blit_attr2_ram[0], blit_dst_ram_hiword[0] );
-	printf("blit vregs %04x %04x %04x %04x\n",blit_vregs[0/2],blit_vregs[2/2],blit_vregs[4/2],blit_vregs[6/2]);
-	printf("blit transpen %04x %04x %04x %04x %04x %04x %04x %04x\n",blit_transpen[0/2],blit_transpen[2/2],blit_transpen[4/2],blit_transpen[6/2],
+	logerror("blit copy %04x %04x %04x %04x %04x\n", blit_romaddr[0], blit_attr1_ram[0], blit_dst_ram_loword[0], blit_attr2_ram[0], blit_dst_ram_hiword[0] );
+	logerror("blit vregs %04x %04x %04x %04x\n",blit_vregs[0/2],blit_vregs[2/2],blit_vregs[4/2],blit_vregs[6/2]);
+	logerror("blit transpen %04x %04x %04x %04x %04x %04x %04x %04x\n",blit_transpen[0/2],blit_transpen[2/2],blit_transpen[4/2],blit_transpen[6/2],
 	                                                               blit_transpen[8/2],blit_transpen[10/2],blit_transpen[12/2],blit_transpen[14/2]);
 
 	blit_dst_xpos = (blit_dst_ram_loword[0] & 0x00ff)*2;
diff --git a/src/mame/drivers/raiden2.c b/src/mame/drivers/raiden2.c
index 2d1d20dfd3b..7d65cffb3e1 100644
--- a/src/mame/drivers/raiden2.c
+++ b/src/mame/drivers/raiden2.c
@@ -2002,6 +2002,7 @@ static WRITE16_HANDLER( mcu_prog_w2 )
 {
 	mcu_prog[mcu_prog_offs*2+1] = data;
 
+/* Uncommented until actively worked on
 	{
 		FILE *fp;
 		fp=fopen("rdx_v33.dmp", "w+b");
@@ -2011,6 +2012,7 @@ static WRITE16_HANDLER( mcu_prog_w2 )
 			fclose(fp);
 		}
 	}
+*/
 }
 
 static WRITE16_HANDLER( mcu_prog_offs_w )
diff --git a/src/mame/drivers/trvmadns.c b/src/mame/drivers/trvmadns.c
index 29ae2e1a977..3b32c0dc0cb 100644
--- a/src/mame/drivers/trvmadns.c
+++ b/src/mame/drivers/trvmadns.c
@@ -104,7 +104,7 @@ static WRITE8_HANDLER( trvmadns_banking_w )
 			if(data != old_data)
 			{
 				old_data = data;
-				printf("port80 = %02X\n",data);
+				logerror("port80 = %02X\n",data);
 				//logerror("port80 = %02X\n",data);
 			}
 
@@ -134,7 +134,7 @@ static WRITE8_HANDLER( trvmadns_banking_w )
 
 		//address |= (data & 0x08) ? 0x8000 : 0;
 
-//      printf("add = %X\n",address);
+//      logerror("add = %X\n",address);
 
 		memory_set_bankptr(space->machine, 1, &rom[address]);
 	}
@@ -166,7 +166,7 @@ static WRITE8_HANDLER( w2 )
 {
 /*  static int old = -1;
     if(data!=old)
-        printf("w2 = %02X\n",old=data);
+        logerror("w2 = %02X\n",old=data);
 */
 }
 
@@ -174,7 +174,7 @@ static WRITE8_HANDLER( w3 )
 {
 /*  static int old = -1;
     if(data!=old)
-        printf("w3 = %02X\n",old=data);
+        logerror("w3 = %02X\n",old=data);
 */
 }
 
@@ -187,7 +187,7 @@ static WRITE8_HANDLER( trvmadns_tileram_w )
 			cputag_set_input_line(space->machine, "maincpu", 0, HOLD_LINE);
 		}
 //      else
-//          printf("%x \n", cpu_get_previouspc(space->cpu));
+//          logerror("%x \n", cpu_get_previouspc(space->cpu));
 
 	}
 
diff --git a/src/mame/machine/archimds.c b/src/mame/machine/archimds.c
index 1c82f410c71..bf79377d593 100644
--- a/src/mame/machine/archimds.c
+++ b/src/mame/machine/archimds.c
@@ -202,7 +202,7 @@ READ32_HANDLER(memc_logical_r)
 		}
 		else
 		{
-			printf("ARCHIMEDES_MEMC: Reading unmapped page, what do we do?\n");
+			logerror("ARCHIMEDES_MEMC: Reading unmapped page, what do we do?\n");
 		}
 	}
 
@@ -232,7 +232,7 @@ WRITE32_HANDLER(memc_logical_w)
 		}
 		else
 		{
-			printf("ARCHIMEDES_MEMC: Writing unmapped page, what do we do?\n");
+			logerror("ARCHIMEDES_MEMC: Writing unmapped page, what do we do?\n");
 		}
 	}
 }
diff --git a/src/mame/machine/seicop.c b/src/mame/machine/seicop.c
index c45da1519fe..f77c6762936 100644
--- a/src/mame/machine/seicop.c
+++ b/src/mame/machine/seicop.c
@@ -86,6 +86,7 @@ static void copd2_set_tableoffset(running_machine *machine, UINT16 data)
 	copd2_table_3[copd2_offs/8] = cop_43a;
 	copd2_table_4[copd2_offs/8] = cop_43c;
 
+/* Uncommented until actively worked on
 	{
 		FILE *fp;
 		char filename[256];
@@ -119,6 +120,7 @@ static void copd2_set_tableoffset(running_machine *machine, UINT16 data)
 			fclose(fp);
 		}
 	}
+*/
 
 }
 
@@ -127,6 +129,7 @@ static void copd2_set_tabledata(running_machine *machine, UINT16 data)
 	copd2_table[copd2_offs] = data;
 	logerror("mcu_data %04x\n", data);
 
+/* Uncommented until actively worked on
 	{
 		FILE *fp;
 		char filename[256];
@@ -138,6 +141,7 @@ static void copd2_set_tabledata(running_machine *machine, UINT16 data)
 			fclose(fp);
 		}
 	}
+*/
 }