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-rw-r--r--src/devices/bus/sunmouse/sunmouse.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/devices/bus/sunmouse/sunmouse.h b/src/devices/bus/sunmouse/sunmouse.h
new file mode 100644
index 00000000000..ff7dd9ca86a
--- /dev/null
+++ b/src/devices/bus/sunmouse/sunmouse.h
@@ -0,0 +1,84 @@
+// license:BSD-3-Clause
+// copyright-holders:Vas Crabb
+#ifndef MAME_BUS_SUNMOUSE_SUNMOUSE_H
+#define MAME_BUS_SUNMOUSE_SUNMOUSE_H
+
+#pragma once
+
+#include "diserial.h"
+
+
+class device_sun_mouse_port_interface;
+
+
+class sun_mouse_port_device : public device_t, public device_slot_interface
+{
+ friend class device_sun_mouse_port_interface;
+
+public:
+ template <typename T>
+ sun_mouse_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
+ : sun_mouse_port_device(mconfig, tag, owner, 0)
+ {
+ option_reset();
+ opts(*this);
+ set_default_option(dflt);
+ set_fixed(false);
+ }
+ sun_mouse_port_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0);
+ virtual ~sun_mouse_port_device();
+
+ // configuration helpers
+ auto rxd_handler() { return m_rxd_handler.bind(); }
+
+ DECLARE_WRITE_LINE_MEMBER( write_txd );
+
+ DECLARE_READ_LINE_MEMBER( rxd_r ) { return m_rxd; }
+
+protected:
+ sun_mouse_port_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_config_complete() override;
+ virtual void device_validity_check(validity_checker &valid) const override;
+ virtual void device_resolve_objects() override;
+ virtual void device_start() override;
+
+ int m_rxd;
+
+ devcb_write_line m_rxd_handler;
+
+private:
+ device_sun_mouse_port_interface *m_dev;
+};
+
+
+class device_sun_mouse_port_interface : public device_slot_card_interface
+{
+ friend class sun_mouse_port_device;
+
+public:
+ virtual ~device_sun_mouse_port_interface() override;
+
+protected:
+ device_sun_mouse_port_interface(machine_config const &mconfig, device_t &device);
+
+ virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) { }
+
+ DECLARE_WRITE_LINE_MEMBER( output_rxd ) { m_port->m_rxd_handler(m_port->m_rxd = state ? 0 : 1); }
+
+ sun_mouse_port_device *m_port;
+
+ static constexpr int START_BIT_COUNT = 1;
+ static constexpr int DATA_BIT_COUNT = 8;
+ static constexpr device_serial_interface::parity_t PARITY = device_serial_interface::PARITY_NONE;
+ static constexpr device_serial_interface::stop_bits_t STOP_BITS = device_serial_interface::STOP_BITS_1;
+ static constexpr int BAUD = 1'200;
+};
+
+
+DECLARE_DEVICE_TYPE(SUNMOUSE_PORT, sun_mouse_port_device)
+
+
+void default_sun_mouse_devices(device_slot_interface &device);
+
+#endif // MAME_BUS_SUNMOUSE_SUNMOUSE_H