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Diffstat (limited to 'src/mame/drivers/vsmile.cpp')
-rw-r--r--src/mame/drivers/vsmile.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/vsmile.cpp b/src/mame/drivers/vsmile.cpp
index 9444044fb10..0eeffda38ac 100644
--- a/src/mame/drivers/vsmile.cpp
+++ b/src/mame/drivers/vsmile.cpp
@@ -121,7 +121,7 @@ uint16_t vsmile_state::portb_r()
void vsmile_state::portb_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
LOG("%s: portb_w: %04x & %04x (bit 1: %d & %d)\n", machine().describe_context(), data, mem_mask, BIT(data, 1), BIT(mem_mask, 1));
- if (BIT(mem_mask, 1) && m_cart)
+ if (BIT(mem_mask, 1) && m_cart && m_cart->exists())
m_cart->set_cs2(BIT(~data, 1));
}