diff options
Diffstat (limited to 'src/devices/bus/rs232/null_modem.h')
-rw-r--r-- | src/devices/bus/rs232/null_modem.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/devices/bus/rs232/null_modem.h b/src/devices/bus/rs232/null_modem.h index 91d15abe693..c59973dc39b 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" @@ -14,17 +16,16 @@ 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 WRITE_LINE_MEMBER( input_dtr ) override { m_dtr = 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 void tra_callback() override; @@ -32,15 +33,12 @@ protected: 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; @@ -52,6 +50,7 @@ private: emu_timer *m_timer_poll; int m_rts; int m_dtr; + int m_xoff; }; DECLARE_DEVICE_TYPE(NULL_MODEM, null_modem_device) |