diff --git a/src/devices/machine/spg2xx.cpp b/src/devices/machine/spg2xx.cpp
index 46bb3d83286..b7167110f0e 100644
--- a/src/devices/machine/spg2xx.cpp
+++ b/src/devices/machine/spg2xx.cpp
@@ -220,6 +220,7 @@ void spg2xx_device::device_reset()
 	m_video_regs[0x36] = 0xffff;
 	m_video_regs[0x37] = 0xffff;
 	m_video_regs[0x3c] = 0x0020;
+	m_video_regs[0x42] = 0x0001;
 
 	m_hide_page0 = false;
 	m_hide_page1 = false;
@@ -832,9 +833,12 @@ WRITE16_MEMBER(spg2xx_device::video_w)
 		break;
 
 	case 0x72: // Sprite DMA Length
+	{
 		LOGMASKED(LOG_DMA, "video_w: Sprite DMA Length = %04x\n", data & 0x03ff);
-		do_sprite_dma(data & 0x3ff);
+		uint16_t length = data & 0x3ff;
+		do_sprite_dma(length ? length : 0x400);
 		break;
+	}
 
 	default:
 		LOGMASKED(LOG_UNKNOWN_PPU, "video_w: Unknown register %04x = %04x\n", 0x2800 + offset, data);
diff --git a/src/mame/drivers/vii.cpp b/src/mame/drivers/vii.cpp
index 7cafee905ad..f903d880d88 100644
--- a/src/mame/drivers/vii.cpp
+++ b/src/mame/drivers/vii.cpp
@@ -1229,7 +1229,7 @@ CONS( 2004, jak_batm, 0, 0, jakks, batman, spg2xx_game_state, empty_init, "JAKKS
 CONS( 2008, jak_wall, 0, 0, walle, walle,  spg2xx_game_state, empty_init, "JAKKS Pacific Inc / HotGen Ltd", "Wall-E (JAKKS Pacific TV Game)",              MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
 
 // 'Game-Key-Ready' JAKKS games (these can also take per-game specific expansion cartridges, although not all games had them released)
-CONS( 2005, jak_wwe,  0, 0, jakks_gkr,    jak_gkr,jakks_gkr_state, empty_init, "JAKKS Pacific Inc / HotGen Ltd",      "WWE (JAKKS Pacific TV Game)",            MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // WW (no game-keys released)
+CONS( 2005, jak_wwe,  0, 0, jakks_gkr,    jak_gkr,jakks_gkr_state, empty_init, "JAKKS Pacific Inc / HotGen Ltd",      "WWE (JAKKS Pacific TV Game)",            MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // WW (no game-keys released)
 CONS( 2005, jak_fan4, 0, 0, jakks_gkr,    jak_gkr,jakks_gkr_state, empty_init, "JAKKS Pacific Inc / Digital Eclipse", "Fantastic Four (JAKKS Pacific TV Game)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // F4 (no game-keys released)
 CONS( 2005, jak_just, 0, 0, jakks_gkr,    jak_gkr,jakks_gkr_state, empty_init, "JAKKS Pacific Inc / Taniko",          "Justice League (JAKKS Pacific TV Game)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // DC (no game-keys released)
 CONS( 2005, jak_dora, 0, 0, jakks_gkr_nk, jak_gkr,jakks_gkr_state, empty_init, "JAKKS Pacific Inc / Handheld Games",  "Dora the Explorer (JAKKS Pacific TV Game)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // uses NK keys (same as Nicktoons & Spongebob) (3+ released)