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Don't accidentally deprive MC68681 of interrupts (nw)

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This commit is contained in:
AJR 2017-11-22 01:42:30 -05:00
parent 73b75f5c70
commit fe1fe28b94
2 changed files with 5 additions and 1 deletions
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2
src/devices/machine/mc68681.cpp
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@ -280,6 +280,8 @@ void duart_base_device::update_interrupts()
void mc68681_device::update_interrupts() void mc68681_device::update_interrupts()
{ {
duart_base_device::update_interrupts();
if (!irq_pending()) if (!irq_pending())
m_read_vector = false; // clear IACK too m_read_vector = false; // clear IACK too
} }

4
src/devices/machine/mc68681.h
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@ -165,6 +165,9 @@ protected:
devcb_write8 write_outport; devcb_write8 write_outport;
int32_t ip3clk, ip4clk, ip5clk, ip6clk; int32_t ip3clk, ip4clk, ip5clk, ip6clk;
protected:
virtual void update_interrupts();
private: private:
TIMER_CALLBACK_MEMBER( duart_timer_callback ); TIMER_CALLBACK_MEMBER( duart_timer_callback );
@ -190,7 +193,6 @@ private:
int calc_baud(int ch, uint8_t data); int calc_baud(int ch, uint8_t data);
void clear_ISR_bits(int mask); void clear_ISR_bits(int mask);
void set_ISR_bits(int mask); void set_ISR_bits(int mask);
virtual void update_interrupts();
int get_ch(duart_channel *ch) int get_ch(duart_channel *ch)
{ {