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rtc65271: Use existing interrupt flag for intrq_r. (nw)

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This commit is contained in:
Michael Zapf 2020-04-10 16:28:16 +02:00
parent c884456767
commit 03df5583d5
2 changed files with 1 additions and 7 deletions
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6
src/devices/machine/rtc65271.cpp
View File

@ -450,14 +450,12 @@ void rtc65271_device::field_interrupts()
{
if (m_regs[reg_C] & m_regs[reg_B] & (reg_C_PF | reg_C_AF | reg_C_UF))
{
m_int_pending = true;
m_regs[reg_C] |= reg_C_IRQF;
if (!m_interrupt_cb.isnull())
m_interrupt_cb(1);
}
else
{
m_int_pending = false;
m_regs[reg_C] &= ~reg_C_IRQF;
if (!m_interrupt_cb.isnull())
m_interrupt_cb(0);
@ -466,7 +464,7 @@ void rtc65271_device::field_interrupts()
READ_LINE_MEMBER(rtc65271_device::intrq_r)
{
return (m_int_pending)? ASSERT_LINE : CLEAR_LINE;
return (m_regs[reg_C] & reg_C_IRQF)? ASSERT_LINE : CLEAR_LINE;
}
/*
@ -662,7 +660,6 @@ rtc65271_device::rtc65271_device(const machine_config &mconfig, const char *tag,
: device_t(mconfig, RTC65271, tag, owner, clock)
, device_nvram_interface(mconfig, *this)
, m_interrupt_cb(*this)
, m_int_pending(false)
{
}
@ -681,5 +678,4 @@ void rtc65271_device::device_start()
save_item(NAME(m_xram));
save_item(NAME(m_cur_xram_page));
save_item(NAME(m_SQW_internal_state));
save_item(NAME(m_int_pending));
}

2
src/devices/machine/rtc65271.h
View File

@ -63,8 +63,6 @@ private:
/* callback called when interrupt pin state changes (may be nullptr) */
devcb_write_line m_interrupt_cb;
bool m_int_pending;
};
// device type definition