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-rw-r--r--src/mess/machine/advision.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mess/machine/advision.c b/src/mess/machine/advision.c
index 72e515ad68a..045d5620c2a 100644
--- a/src/mess/machine/advision.c
+++ b/src/mess/machine/advision.c
@@ -76,7 +76,8 @@ WRITE8_MEMBER( advision_state::bankswitch_w )
m_rambank = (data & 0x03) << 8;
m_maincpu->set_input_line(MCS48_INPUT_EA, m_ea_bank ? ASSERT_LINE : CLEAR_LINE);
- m_bank1->set_entry(m_ea_bank);
+ if (m_cart_rom)
+ m_bank1->set_entry(m_ea_bank);
}
/* External RAM */