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Diffstat (limited to 'src/emu/bus/snes_ctrl/miracle.h')
-rw-r--r--src/emu/bus/snes_ctrl/miracle.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/emu/bus/snes_ctrl/miracle.h b/src/emu/bus/snes_ctrl/miracle.h
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+++ b/src/emu/bus/snes_ctrl/miracle.h
@@ -0,0 +1,72 @@
+/**********************************************************************
+
+ Nintendo Entertainment System - Miracle Piano Keyboard
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __SNES_MIRACLE__
+#define __SNES_MIRACLE__
+
+
+#include "emu.h"
+#include "ctrl.h"
+#include "bus/midi/midi.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> snes_miracle_device
+
+class snes_miracle_device : public device_t,
+ public device_serial_interface,
+ public device_snes_control_port_interface
+{
+public:
+ static const int XMIT_RING_SIZE = 64;
+ static const int RECV_RING_SIZE = 64;
+
+ // construction/destruction
+ snes_miracle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // serial overrides
+ virtual void rcv_complete(); // Rx completed receiving byte
+ virtual void tra_complete(); // Tx completed sending byte
+ virtual void tra_callback(); // Tx send bit
+
+ void xmit_char(UINT8 data);
+
+ required_device<midi_port_device> m_midiin, m_midiout;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ virtual UINT8 read_pin4();
+ virtual void write_strobe(UINT8 data);
+
+ static const device_timer_id TIMER_STROBE_ON = 0;
+ emu_timer *strobe_timer;
+
+ int m_strobe_on, m_midi_mode, m_sent_bits;
+ UINT32 m_strobe_clock;
+ UINT8 m_data_sent;
+ UINT8 m_xmitring[XMIT_RING_SIZE], m_recvring[RECV_RING_SIZE];
+ int m_xmit_read, m_xmit_write;
+ int m_recv_read, m_recv_write;
+ bool m_tx_busy, m_read_status, m_status_bit;
+};
+
+// device type definition
+extern const device_type SNES_MIRACLE;
+
+#endif