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Diffstat (limited to 'src/emu/bus/sms_ctrl/graphic.h')
-rw-r--r--src/emu/bus/sms_ctrl/graphic.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/emu/bus/sms_ctrl/graphic.h b/src/emu/bus/sms_ctrl/graphic.h
new file mode 100644
index 00000000000..fab7234c6b3
--- /dev/null
+++ b/src/emu/bus/sms_ctrl/graphic.h
@@ -0,0 +1,60 @@
+/**********************************************************************
+
+ Sega Master System "Graphic Board" emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __SMS_GRAPHIC__
+#define __SMS_GRAPHIC__
+
+
+#include "emu.h"
+#include "smsctrl.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> sms_graphic_device
+
+class sms_graphic_device : public device_t,
+ public device_sms_control_port_interface
+{
+public:
+ // construction/destruction
+ sms_graphic_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_sms_control_port_interface overrides
+ virtual UINT8 peripheral_r();
+ virtual void peripheral_w(UINT8 data);
+
+private:
+ required_ioport m_buttons;
+ required_ioport m_x;
+ required_ioport m_y;
+
+ int m_index;
+ UINT8 m_previous_write;
+ UINT8 m_pressure;
+};
+
+
+// device type definition
+extern const device_type SMS_GRAPHIC;
+
+
+#endif