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z80scc: don't spam interrupt state (nw)

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This commit is contained in:
Patrick Mackinlay 2019-01-10 17:34:09 +07:00
parent 22923b0653
commit 14a623f407
2 changed files with 9 additions and 2 deletions
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10
src/devices/machine/z80scc.cpp
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@ -436,6 +436,7 @@ z80scc_device::z80scc_device(const machine_config &mconfig, device_type type, co
m_out_rxdrq_cb{ { *this }, { *this } },
m_out_txdrq_cb{ { *this }, { *this } },
m_out_int_cb(*this),
m_out_int_state(CLEAR_LINE),
m_variant(variant),
m_wr0_ptrbits(0),
m_cputag(nullptr)
@ -517,6 +518,7 @@ void z80scc_device::device_start()
LOG("%s", FUNCNAME);
// state saving
save_item(NAME(m_out_int_state));
save_item(NAME(m_int_state));
save_item(NAME(m_int_source));
save_item(NAME(m_wr9));
@ -681,8 +683,12 @@ void z80scc_device::z80daisy_irq_reti()
void z80scc_device::check_interrupts()
{
int state = (z80daisy_irq_state() & Z80_DAISY_INT) ? ASSERT_LINE : CLEAR_LINE;
LOGINT("%s %s \n",tag(), FUNCNAME);
m_out_int_cb(state);
if (m_out_int_state != state)
{
m_out_int_state = state;
LOGINT("%s\n", FUNCNAME);
m_out_int_cb(state);
}
}

1
src/devices/machine/z80scc.h
View File

@ -467,6 +467,7 @@ protected:
devcb_write_line m_out_int_cb;
int m_out_int_state;
int m_int_state[6]; // interrupt state
int m_int_source[6]; // interrupt source