diff options
Diffstat (limited to 'src/mame/drivers/mccpm.cpp')
-rw-r--r-- | src/mame/drivers/mccpm.cpp | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/mame/drivers/mccpm.cpp b/src/mame/drivers/mccpm.cpp index a56ba8a2002..da8686353b5 100644 --- a/src/mame/drivers/mccpm.cpp +++ b/src/mame/drivers/mccpm.cpp @@ -41,16 +41,12 @@ public: : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_p_ram(*this, "ram") - , m_sio(*this, "sio") { } - DECLARE_WRITE_LINE_MEMBER(clock_tick); - private: virtual void machine_reset() override; required_device<cpu_device> m_maincpu; required_shared_ptr<uint8_t> m_p_ram; - required_device<z80sio_device> m_sio; }; @@ -77,12 +73,6 @@ void mccpm_state::machine_reset() memcpy(m_p_ram, bios, 0x1000); } -WRITE_LINE_MEMBER( mccpm_state::clock_tick ) -{ - m_sio->txca_w(state); - m_sio->rxca_w(state); -} - static MACHINE_CONFIG_START( mccpm ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) @@ -91,7 +81,8 @@ static MACHINE_CONFIG_START( mccpm ) /* Devices */ MCFG_DEVICE_ADD("uart_clock", CLOCK, 153600) - MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(mccpm_state, clock_tick)) + MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("sio", z80sio_device, txca_w)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio", z80sio_device, rxca_w)) MCFG_Z80SIO_ADD("sio", XTAL_4MHz, 0, 0, 0, 0) MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) |