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-rw-r--r--src/mame/drivers/tomy_princ.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/tomy_princ.cpp b/src/mame/drivers/tomy_princ.cpp
index b49e769ab89..cf2e22b4ae2 100644
--- a/src/mame/drivers/tomy_princ.cpp
+++ b/src/mame/drivers/tomy_princ.cpp
@@ -46,6 +46,7 @@ uint32_t tomy_princ_state::screen_update_tomy_princ(screen_device &screen, bitma
void tomy_princ_state::princ_map(address_map &map)
{
+ map(0x68ff44, 0x68ff44).lr8("free0", [this]() -> u8 { return m_screen->vblank() ? 1 : 0; });
map(0xe00000, 0xe07fff).ram(); // stacks are placed here
map(0xf00000, 0xffffff).rom().region("maincpu", 0x00000);
}