// license:??? // copyright-holders:??? /********************************************************************** Super 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 m_midiin, m_midiout; protected: // device-level overrides virtual void device_start(); virtual void device_reset(); UINT8 read_pin4(); void write_pin6(UINT8 data); 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