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ncd68k: fix eeprom ready signal (nw)

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This commit is contained in:
Patrick Mackinlay 2019-07-18 13:22:14 +07:00
parent 533320c840
commit d5ec89016d
1 changed files with 3 additions and 11 deletions
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14
src/mame/drivers/ncd68k.cpp
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@ -126,7 +126,7 @@ protected:
//private:
u8 m_portc, m_to_68k, m_from_68k;
u8 m_porta_in, m_porta_out;
u8 m_portb_in, m_portb_out;
u8 m_portb_out;
};
class ncd16_state : public ncd68k_state
@ -200,7 +200,7 @@ private:
void ncd68k_state::machine_reset()
{
m_porta_in = m_porta_out = m_portb_in = m_portb_out = m_portc = 0;
m_porta_in = m_porta_out = m_portb_out = m_portc = 0;
m_to_68k = m_from_68k = 0;
m_porta_in |= 0x20;
@ -300,7 +300,7 @@ u8 ncd68k_state::mcu_portb_r()
return m_from_68k;
}
else
return m_portb_in;
return m_eeprom->do_read() ? 0x04 : 0x00;
}
void ncd68k_state::mcu_porta_w(u8 data)
@ -657,14 +657,6 @@ void ncd68k_state::common(machine_config &config)
// eeprom
EEPROM_93C46_16BIT(config, m_eeprom);
m_eeprom->do_callback().set(
[this](int state)
{
if (state)
m_portb_in |= 0x04;
else
m_portb_in &= ~0x04;
});
}
static INPUT_PORTS_START(ncd68k)