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author AJR <ajrhacker@users.noreply.github.com>2019-07-12 09:39:39 -0400
committer AJR <ajrhacker@users.noreply.github.com>2019-07-12 09:39:39 -0400
commit46b0fa88be0bce3d39ca0daa204f2500263802cc (patch)
treea1fe1ca740cc94a31424a4e3ada9b711e933d942 /src/devices/bus/nes_ctrl/joypad.cpp
parent12e99942ff3048f3e8f45f2a00039cb09108b385 (diff)
bus/gamegear, bus/nes_ctrl, bus/sms_ctrl: Prevent crashing during validation (nw)
Diffstat (limited to 'src/devices/bus/nes_ctrl/joypad.cpp')
-rw-r--r--src/devices/bus/nes_ctrl/joypad.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/devices/bus/nes_ctrl/joypad.cpp b/src/devices/bus/nes_ctrl/joypad.cpp
index 0605eea2d9a..1027340cf63 100644
--- a/src/devices/bus/nes_ctrl/joypad.cpp
+++ b/src/devices/bus/nes_ctrl/joypad.cpp
@@ -175,7 +175,8 @@ void nes_arcstick_device::device_add_mconfig(machine_config &config)
{
// expansion port to allow daisy chaining
NES_CONTROL_PORT(config, m_daisychain, arcstick_daisy, nullptr);
- m_daisychain->set_screen_tag(m_port->m_screen);
+ if (m_port != nullptr)
+ m_daisychain->set_screen_tag(m_port->m_screen);
}