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Diffstat (limited to 'src/devices/bus/rs232/null_modem.h')
-rw-r--r--src/devices/bus/rs232/null_modem.h17
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)