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Diffstat (limited to 'src/devices/bus/epson_sio/epson_sio.h')
-rw-r--r--src/devices/bus/epson_sio/epson_sio.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/devices/bus/epson_sio/epson_sio.h b/src/devices/bus/epson_sio/epson_sio.h
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index 00000000000..828d64a3eae
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+++ b/src/devices/bus/epson_sio/epson_sio.h
@@ -0,0 +1,96 @@
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
+/**********************************************************************
+
+ EPSON SIO port emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __EPSON_SIO_H__
+#define __EPSON_SIO_H__
+
+#include "emu.h"
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_EPSON_SIO_ADD(_tag, _def_slot) \
+ MCFG_DEVICE_ADD(_tag, EPSON_SIO, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(epson_sio_devices, _def_slot, false)
+
+#define MCFG_EPSON_SIO_RX(_rx) \
+ downcast<epson_sio_device *>(device)->set_rx_callback(DEVCB_##_rx);
+
+#define MCFG_EPSON_SIO_PIN(_pin) \
+ downcast<epson_sio_device *>(device)->set_pin_callback(DEVCB_##_pin);
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class device_epson_sio_interface;
+
+
+class epson_sio_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ epson_sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~epson_sio_device();
+
+ // callbacks
+ template<class _rx> void set_rx_callback(_rx rx) { m_write_rx.set_callback(rx); }
+ template<class _pin> void set_pin_callback(_pin pin) { m_write_pin.set_callback(pin); }
+
+ // called from owner
+ DECLARE_WRITE_LINE_MEMBER( tx_w );
+ DECLARE_WRITE_LINE_MEMBER( pout_w );
+
+ // called from subdevice
+ DECLARE_WRITE_LINE_MEMBER( rx_w ) { m_write_rx(state); }
+ DECLARE_WRITE_LINE_MEMBER( pin_w ) { m_write_pin(state); }
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ device_epson_sio_interface *m_cart;
+
+private:
+ devcb_write_line m_write_rx;
+ devcb_write_line m_write_pin;
+};
+
+
+// class representing interface-specific live sio device
+class device_epson_sio_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ device_epson_sio_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_epson_sio_interface();
+
+ virtual void tx_w(int state) { };
+ virtual void pout_w(int state) { };
+
+protected:
+ epson_sio_device *m_slot;
+};
+
+
+// device type definition
+extern const device_type EPSON_SIO;
+
+
+// supported devices
+SLOT_INTERFACE_EXTERN( epson_sio_devices );
+
+
+#endif // __EPSON_SIO_H__