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MSM6242: Fix hang on savestate load -nw-

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This commit is contained in:
Phil Bennett 2013-01-03 14:21:18 +00:00
parent e72c597d45
commit c014d27cd6
1 changed files with 6 additions and 5 deletions
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11
src/emu/machine/msm6242.c
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@ -104,6 +104,7 @@ void msm6242_device::device_start()
save_item(NAME(m_irq_flag));
save_item(NAME(m_irq_type));
save_item(NAME(m_tick));
save_item(NAME(m_last_update_time));
}
@ -247,32 +248,32 @@ void msm6242_device::update_rtc_registers()
m_last_update_time = curtime;
// no delta? just return
if (delta <= 0)
if (delta == 0)
return;
// ticks
if ((m_tick % 200) != ((delta + m_tick) % 0x200))
irq(IRQ_64THSECOND);
delta = bump(RTC_TICKS, delta, 0, 0x8000);
if (delta <= 0)
if (delta == 0)
return;
// seconds
irq(IRQ_SECOND);
delta = bump(RTC_SECOND, delta, 0, 60);
if (delta <= 0)
if (delta == 0)
return;
// minutes
irq(IRQ_MINUTE);
delta = bump(RTC_MINUTE, delta, 0, 60);
if (delta <= 0)
if (delta == 0)
return;
// hours
irq(IRQ_HOUR);
delta = bump(RTC_HOUR, delta, 0, 24);
if (delta <= 0)
if (delta == 0)
return;
// days