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isbc2861: hooked up the SIO irq through the 8259 and removed the m1_r() workaround

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This commit is contained in:
Joakim Larsson Edstrom 2017-03-19 00:41:38 +01:00
parent f8064739e4
commit 101fb1eb18
1 changed files with 5 additions and 2 deletions
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7
src/mame/drivers/isbc.cpp
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@ -60,7 +60,7 @@ public:
DECLARE_WRITE_LINE_MEMBER(isbc86_tmr2_w); DECLARE_WRITE_LINE_MEMBER(isbc86_tmr2_w);
DECLARE_WRITE_LINE_MEMBER(isbc286_tmr2_w); DECLARE_WRITE_LINE_MEMBER(isbc286_tmr2_w);
DECLARE_WRITE_LINE_MEMBER(isbc_uart8274_irq); // DECLARE_WRITE_LINE_MEMBER(isbc_uart8274_irq);
DECLARE_READ8_MEMBER(get_slave_ack); DECLARE_READ8_MEMBER(get_slave_ack);
DECLARE_WRITE8_MEMBER(ppi_c_w); DECLARE_WRITE8_MEMBER(ppi_c_w);
protected: protected:
@ -218,11 +218,13 @@ WRITE8_MEMBER( isbc_state::ppi_c_w )
m_pic_1->ir7_w(0); m_pic_1->ir7_w(0);
} }
#if 0
WRITE_LINE_MEMBER(isbc_state::isbc_uart8274_irq) WRITE_LINE_MEMBER(isbc_state::isbc_uart8274_irq)
{ {
m_uart8274->m1_r(); // always set m_uart8274->m1_r(); // always set
m_pic_0->ir6_w(state); m_pic_0->ir6_w(state);
} }
#endif
static MACHINE_CONFIG_START( isbc86, isbc_state ) static MACHINE_CONFIG_START( isbc86, isbc_state )
/* basic machine hardware */ /* basic machine hardware */
@ -362,7 +364,8 @@ static MACHINE_CONFIG_START( isbc286, isbc_state )
MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_txd)) MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_dtr)) MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_dtr))
MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_rts)) MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_rts))
MCFG_Z80SIO_OUT_INT_CB(WRITELINE(isbc_state, isbc_uart8274_irq)) // MCFG_Z80SIO_OUT_INT_CB(WRITELINE(isbc_state, isbc_uart8274_irq))
MCFG_Z80SIO_OUT_INT_CB(DEVWRITELINE("pic_0", pic8259_device, ir6_w))
#endif #endif
MCFG_RS232_PORT_ADD("rs232a", default_rs232_devices, nullptr) MCFG_RS232_PORT_ADD("rs232a", default_rs232_devices, nullptr)