diff options
Diffstat (limited to 'src/devices/bus/rs232/null_modem.h')
-rw-r--r-- | src/devices/bus/rs232/null_modem.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/devices/bus/rs232/null_modem.h b/src/devices/bus/rs232/null_modem.h index 7ba5cddbb78..94e2b7a85d0 100644 --- a/src/devices/bus/rs232/null_modem.h +++ b/src/devices/bus/rs232/null_modem.h @@ -3,6 +3,8 @@ #ifndef MAME_BUS_RS232_NULL_MODEM_H #define MAME_BUS_RS232_NULL_MODEM_H +#pragma once + #include "rs232.h" #include "imagedev/bitbngr.h" #include "diserial.h" @@ -14,32 +16,29 @@ class null_modem_device : public device_t, public: null_modem_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - virtual WRITE_LINE_MEMBER( input_txd ) override { device_serial_interface::rx_w(state); } - virtual WRITE_LINE_MEMBER( input_rts ) override { m_rts = state; } + virtual void input_txd(int state) override { device_serial_interface::rx_w(state); } + virtual void input_rts(int state) override { m_rts = state; } + virtual void input_dtr(int state) override { m_dtr = state; } - DECLARE_WRITE_LINE_MEMBER(update_serial); + void update_serial(int state); protected: - virtual ioport_constructor device_input_ports() const override; - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; virtual void tra_callback() override; virtual void tra_complete() override; virtual void rcv_complete() override; private: - static constexpr int TIMER_POLL = 1; - - void queue(); + TIMER_CALLBACK_MEMBER(update_queue); required_device<bitbanger_device> m_stream; required_ioport m_rs232_txbaud; required_ioport m_rs232_rxbaud; - required_ioport m_rs232_startbits; required_ioport m_rs232_databits; required_ioport m_rs232_parity; required_ioport m_rs232_stopbits; @@ -50,6 +49,8 @@ private: uint32_t m_input_index; emu_timer *m_timer_poll; int m_rts; + int m_dtr; + int m_xoff; }; DECLARE_DEVICE_TYPE(NULL_MODEM, null_modem_device) |