diff options
Diffstat (limited to 'src/mame/drivers/mits680b.cpp')
-rw-r--r-- | src/mame/drivers/mits680b.cpp | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/src/mame/drivers/mits680b.cpp b/src/mame/drivers/mits680b.cpp index 9511b933d46..a05ed4fdd42 100644 --- a/src/mame/drivers/mits680b.cpp +++ b/src/mame/drivers/mits680b.cpp @@ -33,17 +33,12 @@ public: mits680b_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") - , m_acia(*this, "acia") - { - } + { } DECLARE_READ8_MEMBER(status_check_r); - DECLARE_WRITE_LINE_MEMBER(clock_tick); private: - virtual void machine_reset() override; required_device<cpu_device> m_maincpu; - required_device<acia6850_device> m_acia; }; READ8_MEMBER( mits680b_state::status_check_r ) @@ -51,12 +46,6 @@ READ8_MEMBER( mits680b_state::status_check_r ) return 0; // crashes at start if bit 7 high } -WRITE_LINE_MEMBER( mits680b_state::clock_tick ) -{ - m_acia->write_txc(state); - m_acia->write_rxc(state); -} - static ADDRESS_MAP_START(mits680b_mem, AS_PROGRAM, 8, mits680b_state) ADDRESS_MAP_UNMAP_HIGH @@ -72,15 +61,15 @@ static INPUT_PORTS_START( mits680b ) INPUT_PORTS_END -void mits680b_state::machine_reset() -{ -} - static MACHINE_CONFIG_START( mits680b ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6800, XTAL_1MHz / 2) MCFG_CPU_PROGRAM_MAP(mits680b_mem) + MCFG_DEVICE_ADD("uart_clock", CLOCK, 153600) + MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("acia", acia6850_device, write_txc)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("acia", acia6850_device, write_rxc)) + MCFG_DEVICE_ADD("acia", ACIA6850, 0) MCFG_ACIA6850_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd)) MCFG_ACIA6850_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts)) @@ -88,9 +77,6 @@ static MACHINE_CONFIG_START( mits680b ) MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") MCFG_RS232_RXD_HANDLER(DEVWRITELINE("acia", acia6850_device, write_rxd)) MCFG_RS232_CTS_HANDLER(DEVWRITELINE("acia", acia6850_device, write_cts)) - - MCFG_DEVICE_ADD("uart_clock", CLOCK, 153600) - MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(mits680b_state, clock_tick)) MACHINE_CONFIG_END /* ROM definition */ |