diff options
Diffstat (limited to 'src/mame/drivers/einstein.cpp')
-rw-r--r-- | src/mame/drivers/einstein.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mame/drivers/einstein.cpp b/src/mame/drivers/einstein.cpp index 47b1b719576..2d689fd1f63 100644 --- a/src/mame/drivers/einstein.cpp +++ b/src/mame/drivers/einstein.cpp @@ -419,8 +419,11 @@ WRITE8_MEMBER(einstein_state::evdpint_msk_w) READ8_MEMBER( einstein_state::rom_r ) { - m_rom_enabled ^= 1; - m_bank1->set_entry(m_rom_enabled); + if (!machine().side_effects_disabled()) + { + m_rom_enabled ^= 1; + m_bank1->set_entry(m_rom_enabled); + } return 0xff; } |