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Merge pull request #3929 from hp9k/hp9122c_motor_timer

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hp9122c: add motor off timer (nw)
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R. Belmont 2018-08-31 16:01:12 -04:00 committed by GitHub
commit f0b81ff6aa
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2 changed files with 17 additions and 0 deletions
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14
src/devices/bus/ieee488/hp9122c.cpp
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@ -85,6 +85,16 @@ void hp9122c_device::device_start()
save_item(NAME(m_index_int));
save_item(NAME(m_ds0));
save_item(NAME(m_ds1));
m_motor_timer = timer_alloc(0);
}
void hp9122c_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
floppy_image_device *floppy0 = m_floppy[0]->get_device();
floppy_image_device *floppy1 = m_floppy[1]->get_device();
floppy0->mon_w(1);
floppy1->mon_w(1);
}
void hp9122c_device::device_reset()
@ -287,10 +297,14 @@ WRITE8_MEMBER(hp9122c_device::cmd_w)
floppy0->mon_w(0);
floppy0->ss_w(!(data & REG_CNTL_HEADSEL));
m_fdc->set_floppy(floppy0);
m_motor_timer->reset();
} else if (m_ds1) {
floppy1->mon_w(0);
floppy1->ss_w(!(data & REG_CNTL_HEADSEL));
m_fdc->set_floppy(floppy1);
m_motor_timer->reset();
} else {
m_motor_timer->adjust(attotime::from_msec(2000));
}
if (data & REG_CNTL_CLOCK_SEL)

3
src/devices/bus/ieee488/hp9122c.h
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@ -118,6 +118,7 @@ private:
DECLARE_WRITE8_MEMBER(fdc_write);
void cpu_map(address_map &map);
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
required_device<cpu_device> m_cpu;
required_device<i8291a_device> m_i8291a;
@ -143,6 +144,8 @@ private:
bool m_ds0;
bool m_ds1;
emu_timer *m_motor_timer;
};
// device type definition