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dms86: NMI is manually triggered (nw)

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This commit is contained in:
AJR 2018-05-14 09:05:45 -04:00
parent 188b60629c
commit fde607a759
1 changed files with 10 additions and 0 deletions
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10
src/mame/drivers/dms86.cpp
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@ -46,6 +46,8 @@ public:
, m_maincpu(*this, "maincpu")
{ }
DECLARE_WRITE_LINE_MEMBER(nmi_w);
DECLARE_READ16_MEMBER( port9a_r );
DECLARE_READ16_MEMBER( port9c_r );
void kbd_put(u8 data);
@ -60,6 +62,12 @@ private:
};
WRITE_LINE_MEMBER(dms86_state::nmi_w)
{
m_maincpu->set_input_line(INPUT_LINE_NMI, state);
}
READ16_MEMBER( dms86_state::port9a_r )
{
return m_term_data ? 0x40 : 0;
@ -94,6 +102,8 @@ void dms86_state::io_map(address_map &map)
/* Input ports */
static INPUT_PORTS_START( dms86 )
PORT_START("FRONT")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Interrupt") PORT_CODE(KEYCODE_F2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, dms86_state, nmi_w)
INPUT_PORTS_END