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Diffstat (limited to 'src/mame/drivers/menghong.cpp')
-rw-r--r--src/mame/drivers/menghong.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/menghong.cpp b/src/mame/drivers/menghong.cpp
index ab9b0892416..3d478895151 100644
--- a/src/mame/drivers/menghong.cpp
+++ b/src/mame/drivers/menghong.cpp
@@ -294,7 +294,7 @@ uint32_t menghong_state::key_r()
int mux = (m_pio >> 8) & 0x1f;
uint8_t data = 0x3f;
- for (int i = 0; i < 5; ++i)
+ for (int i = 0; i < m_keys.size(); ++i)
if (!BIT(mux,i))
data = m_keys[i]->read();