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-rw-r--r--src/mame/machine/taitoio.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/machine/taitoio.cpp b/src/mame/machine/taitoio.cpp
index e8be240319d..823231d2ffc 100644
--- a/src/mame/machine/taitoio.cpp
+++ b/src/mame/machine/taitoio.cpp
@@ -56,8 +56,10 @@ Newer version of the I/O chip ?
DEFINE_DEVICE_TYPE(TC0220IOC, tc0220ioc_device, "tc0220ioc", "Taito TC0220IOC")
-tc0220ioc_device::tc0220ioc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, TC0220IOC, tag, owner, clock),
+tc0220ioc_device::tc0220ioc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, TC0220IOC, tag, owner, clock),
+ m_port(0),
+ m_regs{ 0, 0, 0, 0, 0, 0, 0, 0 },
m_watchdog(*this, "watchdog"),
m_read_0_cb(*this),
m_read_1_cb(*this),