diff --git a/src/mame/drivers/r2dx_v33.c b/src/mame/drivers/r2dx_v33.c
index c1f862e0e28..e82c41a7b6d 100644
--- a/src/mame/drivers/r2dx_v33.c
+++ b/src/mame/drivers/r2dx_v33.c
@@ -392,6 +392,8 @@ static ADDRESS_MAP_START( nzeroteam_base_map, AS_PROGRAM, 16, r2dx_v33_state )
 	// 0x404 is bank on r2dx, this doesn't need it
 	// AM_RANGE(0x00406, 0x00407) AM_WRITE(tile_bank_w) // not the same?
 
+	AM_RANGE(0x00406, 0x00407) AM_NOP // always 6022, supposed to be the tile bank but ignroes the actual value???
+
 	AM_RANGE(0x00420, 0x00421) AM_WRITE(r2dx_dx_w)
 	AM_RANGE(0x00422, 0x00423) AM_WRITE(r2dx_dy_w)
 	AM_RANGE(0x00424, 0x00425) AM_WRITE(r2dx_sdistl_w)
diff --git a/src/mame/drivers/raiden2.c b/src/mame/drivers/raiden2.c
index 1789cf77e5f..053a2554b0d 100644
--- a/src/mame/drivers/raiden2.c
+++ b/src/mame/drivers/raiden2.c
@@ -3409,7 +3409,14 @@ DRIVER_INIT_MEMBER(raiden2_state,xsedae)
 }
 
 const UINT16 raiden2_state::zeroteam_blended_colors[] = {
-	0x37e, 0x5de
+	// Player selection
+	0x37e,
+	// Scaffolding shadow
+	0x52e,
+	// Road brightening
+	0x5de,
+
+	0xffff
 };