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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ Alesis HR-16 and SR-16 drum machines
+
+****************************************************************************/
+
+#pragma once
+
+#ifndef _ALESIS_H_
+#define _ALESIS_H_
+
+#include "cpu/mcs51/mcs51.h"
+#include "machine/nvram.h"
+#include "sound/dac.h"
+#include "video/hd44780.h"
+#include "imagedev/cassette.h"
+#include "rendlay.h"
+
+#define MCFG_ALESIS_DM3AG_ADD(_tag,_clock) \
+ MCFG_DEVICE_ADD( _tag, ALESIS_DM3AG, _clock )
+
+
+// ======================> alesis_dm3ag_device
+
+class alesis_dm3ag_device : public device_t
+{
+public:
+ // construction/destruction
+ alesis_dm3ag_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // device interface
+ DECLARE_WRITE8_MEMBER(write);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+private:
+ static const device_timer_id TIMER_DAC_UPDATE = 1;
+ required_device<dac_device> m_dac;
+ required_region_ptr<INT8> m_samples;
+
+ emu_timer * m_dac_update_timer;
+ bool m_output_active;
+ int m_count;
+ int m_shift;
+ UINT32 m_cur_sample;
+ UINT8 m_cmd[5];
+};
+
+
+// ======================> alesis_state
+
+class alesis_state : public driver_device
+{
+public:
+ alesis_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_lcdc(*this, "hd44780"),
+ m_cassette(*this, "cassette"),
+ m_maincpu(*this, "maincpu"),
+ m_col1(*this, "COL1"),
+ m_col2(*this, "COL2"),
+ m_col3(*this, "COL3"),
+ m_col4(*this, "COL4"),
+ m_col5(*this, "COL5"),
+ m_col6(*this, "COL6"),
+ m_select(*this, "SELECT")
+ { }
+
+ required_device<hd44780_device> m_lcdc;
+ optional_device<cassette_image_device> m_cassette;
+
+ DECLARE_PALETTE_INIT(alesis);
+ virtual void machine_reset();
+
+ void update_lcd_symbols(bitmap_ind16 &bitmap, UINT8 pos, UINT8 y, UINT8 x, int state);
+ DECLARE_DRIVER_INIT(hr16);
+ DECLARE_WRITE8_MEMBER( led_w );
+ DECLARE_WRITE8_MEMBER( mmt8_led_w );
+ DECLARE_READ8_MEMBER( mmt8_led_r );
+ DECLARE_WRITE8_MEMBER( track_led_w );
+ DECLARE_WRITE8_MEMBER( kb_matrix_w );
+ DECLARE_READ8_MEMBER( kb_r );
+ DECLARE_READ8_MEMBER( p3_r );
+ DECLARE_WRITE8_MEMBER( p3_w );
+ DECLARE_READ8_MEMBER( mmt8_p3_r );
+ DECLARE_WRITE8_MEMBER( mmt8_p3_w );
+ DECLARE_WRITE8_MEMBER( sr16_lcd_w );
+
+private:
+ UINT8 m_kb_matrix;
+ UINT8 m_leds;
+ UINT8 m_lcd_digits[5];
+ required_device<cpu_device> m_maincpu;
+ required_ioport m_col1;
+ required_ioport m_col2;
+ required_ioport m_col3;
+ required_ioport m_col4;
+ required_ioport m_col5;
+ required_ioport m_col6;
+ optional_ioport m_select;
+};
+
+// device type definition
+extern const device_type ALESIS_DM3AG;
+
+#endif // _ALESIS_H_