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midwayic: Remove runtime tag lookups. (nw)

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This commit is contained in:
Ted Green 2018-06-29 11:49:27 -06:00
parent a9f194398a
commit f16d1298a4
2 changed files with 13 additions and 4 deletions
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12
src/mame/machine/midwayic.cpp
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@ -644,6 +644,10 @@ DEFINE_DEVICE_TYPE(MIDWAY_IOASIC, midway_ioasic_device, "midway_ioasic", "Midway
midway_ioasic_device::midway_ioasic_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
midway_serial_pic2_device(mconfig, MIDWAY_IOASIC, tag, owner, clock),
m_io_dips(*this, ":DIPS"),
m_io_system(*this, ":SYSTEM"),
m_io_in1(*this, ":IN1"),
m_io_in2(*this, ":IN2"),
m_serial_tx_cb(*this),
m_aux_output_cb(*this),
m_has_dcs(0),
@ -962,20 +966,20 @@ READ32_MEMBER( midway_ioasic_device::read )
result = 0x2001;
}
else {
result = machine().root_device().ioport("DIPS")->read();
result = m_io_dips->read();
}
break;
case IOASIC_PORT1:
result = machine().root_device().ioport("SYSTEM")->read();
result = m_io_system->read();
break;
case IOASIC_PORT2:
result = machine().root_device().ioport("IN1")->read();
result = m_io_in1->read();
break;
case IOASIC_PORT3:
result = machine().root_device().ioport("IN2")->read();
result = m_io_in2->read();
break;
case IOASIC_UARTIN:

5
src/mame/machine/midwayic.h
View File

@ -192,6 +192,11 @@ private:
void ioasic_register_state();
void update_ioasic_irq();
required_ioport m_io_dips;
required_ioport m_io_system;
required_ioport m_io_in1;
required_ioport m_io_in2;
devcb_write8 m_serial_tx_cb;
devcb_write32 m_aux_output_cb;