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Diffstat (limited to 'src/mame/drivers/calchase.c')
-rw-r--r--src/mame/drivers/calchase.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/drivers/calchase.c b/src/mame/drivers/calchase.c
index 22d0b1c6d6a..dd8918f6dc1 100644
--- a/src/mame/drivers/calchase.c
+++ b/src/mame/drivers/calchase.c
@@ -181,6 +181,7 @@ public:
DECLARE_DRIVER_INIT(calchase);
virtual void machine_start();
virtual void machine_reset();
+ IRQ_CALLBACK_MEMBER(irq_callback);
};
@@ -803,10 +804,9 @@ static INPUT_PORTS_START( calchase )
INPUT_PORTS_END
#endif
-static IRQ_CALLBACK(irq_callback)
+IRQ_CALLBACK_MEMBER(calchase_state::irq_callback)
{
- calchase_state *state = device->machine().driver_data<calchase_state>();
- return pic8259_acknowledge( state->m_pic8259_1);
+ return pic8259_acknowledge(m_pic8259_1);
}
void calchase_state::machine_start()
@@ -814,7 +814,7 @@ void calchase_state::machine_start()
m_bios_ram = auto_alloc_array(machine(), UINT32, 0x10000/4);
m_bios_ext_ram = auto_alloc_array(machine(), UINT32, 0x10000/4);
- machine().device("maincpu")->execute().set_irq_acknowledge_callback(irq_callback);
+ machine().device("maincpu")->execute().set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(calchase_state::irq_callback),this));
m_pit8254 = machine().device( "pit8254" );
m_pic8259_1 = machine().device( "pic8259_1" );