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Diffstat (limited to 'src/mame/video/cninja.c')
-rw-r--r--src/mame/video/cninja.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mame/video/cninja.c b/src/mame/video/cninja.c
index aa43a914423..7864ade634d 100644
--- a/src/mame/video/cninja.c
+++ b/src/mame/video/cninja.c
@@ -150,6 +150,10 @@ SCREEN_UPDATE( cninjabl )
cninja_state *state = screen->machine().driver_data<cninja_state>();
UINT16 flip = deco16ic_pf_control_r(state->m_deco_tilegen1, 0, 0xffff);
+ /* force layers to be enabled */
+ deco16ic_set_enable(state->m_deco_tilegen2, 0, 1 );
+ deco16ic_set_enable(state->m_deco_tilegen2, 1, 1 );
+
flip_screen_set(screen->machine(), BIT(flip, 7));
deco16ic_pf_update(state->m_deco_tilegen1, state->m_pf1_rowscroll, state->m_pf2_rowscroll);
deco16ic_pf_update(state->m_deco_tilegen2, state->m_pf3_rowscroll, state->m_pf4_rowscroll);