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-rw-r--r--src/mame/drivers/markham.cpp6
1 files changed, 1 insertions, 5 deletions
diff --git a/src/mame/drivers/markham.cpp b/src/mame/drivers/markham.cpp
index 77c7867f292..86f1aef1889 100644
--- a/src/mame/drivers/markham.cpp
+++ b/src/mame/drivers/markham.cpp
@@ -82,11 +82,7 @@ WRITE8_MEMBER(markham_state::strnskil_master_output_w)
{
m_scroll_ctrl = data >> 5;
- if (flip_screen() != (BIT(data, 3)))
- {
- flip_screen_set(BIT(data, 3));
- machine().tilemap().mark_all_dirty();
- }
+ flipscreen_w(space, 0, (data >> 3) & 1);
// bit 0: master CPU bus request?
}