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-rw-r--r--src/mess/machine/kb_msnat.h57
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diff --git a/src/mess/machine/kb_msnat.h b/src/mess/machine/kb_msnat.h
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+++ b/src/mess/machine/kb_msnat.h
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+/***************************************************************************
+
+ Microsoft Natural Keyboard
+
+***************************************************************************/
+
+#ifndef __KB_MSNAT_H__
+#define __KB_MSNAT_H__
+
+#include "devcb.h"
+#include "machine/pc_kbdc.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class pc_kbd_microsoft_natural_device : public device_t,
+ public device_pc_kbd_interface
+{
+public:
+ // construction/destruction
+ pc_kbd_microsoft_natural_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ required_device<cpu_device> m_cpu;
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+ virtual const rom_entry *device_rom_region() const;
+
+ virtual DECLARE_WRITE_LINE_MEMBER(clock_write);
+ virtual DECLARE_WRITE_LINE_MEMBER(data_write);
+
+ DECLARE_READ8_MEMBER(p0_read);
+ DECLARE_WRITE8_MEMBER(p0_write);
+ DECLARE_WRITE8_MEMBER(p1_write);
+ DECLARE_WRITE8_MEMBER(p2_write);
+ DECLARE_READ8_MEMBER(p3_read);
+ DECLARE_WRITE8_MEMBER(p3_write);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ UINT8 m_p0;
+ UINT8 m_p1;
+ UINT8 m_p2;
+ UINT8 m_p3;
+};
+
+
+// device type definition
+extern const device_type PC_KBD_MICROSOFT_NATURAL;
+
+#endif /* __KB_MSNAT_H__ */
+