diff --git a/src/mame/drivers/saturn.c b/src/mame/drivers/saturn.c
index c6ba0a4e23d..6e644515a4f 100644
--- a/src/mame/drivers/saturn.c
+++ b/src/mame/drivers/saturn.c
@@ -621,15 +621,17 @@ READ16_MEMBER(saturn_state::saturn_soundram_r)
 WRITE32_MEMBER(saturn_state::minit_w)
 {
 	//logerror("cpu %s (PC=%08X) MINIT write = %08x\n", space.device().tag(), space.device().safe_pc(),data);
-	machine().scheduler().boost_interleave(m_minit_boost_timeslice, attotime::from_usec(m_minit_boost));
-	machine().scheduler().trigger(1000);
+//	machine().scheduler().boost_interleave(m_minit_boost_timeslice, attotime::from_usec(m_minit_boost));
+//	machine().scheduler().trigger(1000);
+	machine().scheduler().synchronize(); // force resync
 	sh2_set_frt_input(m_slave, PULSE_LINE);
 }
 
 WRITE32_MEMBER(saturn_state::sinit_w)
 {
 	//logerror("cpu %s (PC=%08X) SINIT write = %08x\n", space.device().tag(), space.device().safe_pc(),data);
-	machine().scheduler().boost_interleave(m_sinit_boost_timeslice, attotime::from_usec(m_sinit_boost));
+//	machine().scheduler().boost_interleave(m_sinit_boost_timeslice, attotime::from_usec(m_sinit_boost));
+	machine().scheduler().synchronize(); // force resync
 	sh2_set_frt_input(m_maincpu, PULSE_LINE);
 }
 
diff --git a/src/mame/video/stvvdp1.c b/src/mame/video/stvvdp1.c
index f471f029c0f..ad6c3d6c644 100644
--- a/src/mame/video/stvvdp1.c
+++ b/src/mame/video/stvvdp1.c
@@ -1966,7 +1966,7 @@ static void stv_vdp1_process_list(running_machine &machine)
 					break;
 
 				case 0x0002:
-				case 0x0003:
+				case 0x0003: // used by Hardcore 4x4
 					if (VDP1_LOG) logerror ("Sprite List Distorted Sprite\n");
 					if (VDP1_LOG) logerror ("(A: %d %d)\n",stv2_current_sprite.CMDXA,stv2_current_sprite.CMDYA);
 					if (VDP1_LOG) logerror ("(B: %d %d)\n",stv2_current_sprite.CMDXB,stv2_current_sprite.CMDYB);
diff --git a/src/mame/video/stvvdp2.c b/src/mame/video/stvvdp2.c
index 7a8c32b8a37..8a44468f254 100644
--- a/src/mame/video/stvvdp2.c
+++ b/src/mame/video/stvvdp2.c
@@ -4208,7 +4208,8 @@ static void stv_vdp2_check_tilemap(running_machine &machine, bitmap_rgb32 &bitma
 
 		/* Albert Odyssey Gaiden 0x0001 */
 		/* Asuka 120% (doesn't make sense?) 0x0101 */
-		if(STV_VDP2_ZMCTL & 0x0202)
+		/* Slam n Jam 96 0x0003 */
+		if(STV_VDP2_ZMCTL & 0x0200)
 			popmessage("Reduction enable %04x, contact MAMEdev",STV_VDP2_ZMCTL);
 
 		/* Burning Rangers and friends FMV, J.League Pro Soccer Club Wo Tsukurou!! backgrounds */