diff --git a/src/mame/drivers/saturn.c b/src/mame/drivers/saturn.c
index 7a203e8c2b5..fc5212d3432 100644
--- a/src/mame/drivers/saturn.c
+++ b/src/mame/drivers/saturn.c
@@ -600,9 +600,9 @@ static WRITE32_HANDLER( saturn_scu_w )
 			dsp_ram_addr_w(data);
 			if(LOG_SCU) logerror("SCU DSP: Data RAM Data Port Access %08x\n",data);
 			break;
-		case 0x90/4: if(LOG_SCU) logerror("timer 0 compare data = %03x\n",state->m_scu_regs[36]);break;
-		case 0x94/4: if(LOG_SCU) logerror("timer 1 set data = %08x\n",state->m_scu_regs[37]); break;
-		case 0x98/4: if(LOG_SCU) logerror("timer 1 mode data = %08x\n",state->m_scu_regs[38]); break;
+		case 0x90/4: /*if(LOG_SCU) logerror("timer 0 compare data = %03x\n",state->m_scu_regs[36]);*/ break;
+		case 0x94/4: /*if(LOG_SCU) logerror("timer 1 set data = %08x\n",state->m_scu_regs[37]);*/ break;
+		case 0x98/4: /*if(LOG_SCU) logerror("timer 1 mode data = %08x\n",state->m_scu_regs[38]);*/ break;
 		case 0xa0/4: /* IRQ mask */
 			state->m_scu.ism = state->m_scu_regs[0xa0/4];
 			scu_test_pending_irq(space->machine());
diff --git a/src/mame/machine/stvcd.c b/src/mame/machine/stvcd.c
index c35f4dec7d9..dbea4e95d67 100644
--- a/src/mame/machine/stvcd.c
+++ b/src/mame/machine/stvcd.c
@@ -589,10 +589,6 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
 	case 0x0018:
 	case 0x001a:
 //              CDROM_LOG(("WW CR1: %04x\n", data))
-		/* these are ERRORS from our core and mustn't happen! */
-		if(data == 0x2100 || data == 0x2300)
-			debugger_break(machine);
-
 		cr1 = data;
 		cd_stat &= ~CD_STAT_PERI;
 		break;
@@ -931,6 +927,12 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
 			hirqreg |= CMOK|DRDY;
 			break;
 
+		case 0x2100:
+		case 0x2300:
+			popmessage("%08x %08x",cd_curfad,fadstoplay);
+			hirqreg |= (CMOK);
+			break;
+
 		case 0x3000:	// Set CD Device connection
 			{
 				UINT8 parm;
@@ -2062,9 +2064,6 @@ static void cd_playdata(void)
 				if(cdrom_get_track_type(cdrom, cdrom_get_track(cdrom, cd_curfad)) != CD_TRACK_AUDIO)
 					cd_read_filtered_sector(cd_curfad);
 
-				if(cdrom_get_track_type(cdrom, cdrom_get_track(cdrom, cd_curfad)) != CD_TRACK_AUDIO && 0)
-					popmessage("%08x %08x",cd_curfad,fadstoplay);
-
 				cd_curfad++;
 				fadstoplay--;
 
diff --git a/src/mame/video/stvvdp1.c b/src/mame/video/stvvdp1.c
index c05716c77ba..19b1d00e5ba 100644
--- a/src/mame/video/stvvdp1.c
+++ b/src/mame/video/stvvdp1.c
@@ -176,9 +176,23 @@ READ16_HANDLER( saturn_vdp1_regs_r )
 			break;
 		case 0x12/2: return state->m_vdp1.lopr;
 		case 0x14/2: return state->m_vdp1.copr;
+		/* MODR register, read register for the other VDP1 regs
+		   (Shienryu SS version abuses of this during intro, otherwise you get vertical oriented VDP1 sprites on horizontal display) */
 		case 0x16/2:
-			printf ("cpu %s (PC=%08X) VDP1: Read from Registers, Offset %04x\n", space->device().tag(), cpu_get_pc(&space->device()), offset*2);
+			UINT16 modr;
 
+			modr = 0x1000; //vdp1 VER
+			modr |= (STV_VDP1_PTM >> 1) << 8; // PTM1
+			modr |= STV_VDP1_EOS << 7; // EOS
+			modr |= STV_VDP1_DIE << 6; // DIE
+			modr |= STV_VDP1_DIL << 5; // DIL
+			modr |= STV_VDP1_FCM << 4; //FCM
+			modr |= STV_VDP1_VBE << 3; //VBE
+			modr |= STV_VDP1_TVM & 7; //TVM
+
+			return modr;
+		default:
+			printf ("cpu %s (PC=%08X) VDP1: Read from Registers, Offset %04x\n", space->device().tag(), cpu_get_pc(&space->device()), offset*2);
 			break;
 	}
 
diff --git a/src/mame/video/stvvdp2.c b/src/mame/video/stvvdp2.c
index d7cde54231f..4d27ac5cdb1 100644
--- a/src/mame/video/stvvdp2.c
+++ b/src/mame/video/stvvdp2.c
@@ -4173,8 +4173,8 @@ static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_t *bitmap, c
 	if (stv2_current_tilemap.bitmap_enable) // this layer is a bitmap
 	{
 		/*elandore doesn't like current cliprect code,will be worked on...*/
-		if ( window_applied && stv2_current_tilemap.colour_depth != 0)
-			stv2_current_tilemap.window_control = 0;
+		//if ( window_applied && stv2_current_tilemap.colour_depth != 4)
+		//	stv2_current_tilemap.window_control = 0;
 
 		stv_vdp2_draw_basic_bitmap(machine, bitmap, &mycliprect);
 	}