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+/**********************************************************************
+
+ Luxor ABC-99 keyboard and mouse emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+*********************************************************************/
+
+#pragma once
+
+#ifndef __ABC99__
+#define __ABC99__
+
+#include "emu.h"
+#include "cpu/mcs48/mcs48.h"
+#include "sound/speaker.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define ABC99_TAG "abc99"
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_ABC99_ADD(_config) \
+ MCFG_DEVICE_ADD(ABC99_TAG, ABC99, 0) \
+ MCFG_DEVICE_CONFIG(_config)
+
+
+#define ABC99_INTERFACE(_name) \
+ const abc99_interface (_name) =
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> abc99_interface
+
+struct abc99_interface
+{
+ devcb_write_line m_out_clock_cb;
+ devcb_write_line m_out_keydown_cb;
+};
+
+// ======================> abc99_device
+
+class abc99_device : public device_t,
+ public abc99_interface
+{
+public:
+ // construction/destruction
+ abc99_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_INPUT_CHANGED_MEMBER( keyboard_reset );
+
+ DECLARE_WRITE8_MEMBER( z2_led_w );
+ DECLARE_WRITE8_MEMBER( z2_p1_w );
+ DECLARE_READ8_MEMBER( z2_p2_r );
+ DECLARE_READ8_MEMBER( z2_t0_r );
+ DECLARE_READ8_MEMBER( z2_t1_r );
+ DECLARE_READ8_MEMBER( z5_p1_r );
+ DECLARE_WRITE8_MEMBER( z5_p2_w );
+ DECLARE_WRITE8_MEMBER( z5_t0_w );
+ DECLARE_READ8_MEMBER( z5_t1_r );
+
+ DECLARE_WRITE_LINE_MEMBER( rxd_w );
+ DECLARE_READ_LINE_MEMBER( txd_r );
+ DECLARE_WRITE_LINE_MEMBER( reset_w );
+
+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);
+ virtual void device_config_complete();
+
+private:
+ static const device_timer_id TIMER_SERIAL = 0;
+ static const device_timer_id TIMER_MOUSE = 1;
+
+ inline void serial_input();
+ inline void serial_output();
+ inline void serial_clock();
+ inline void key_down(int state);
+ inline void scan_mouse();
+
+ devcb_resolved_write_line m_out_clock_func;
+ devcb_resolved_write_line m_out_keydown_func;
+
+ emu_timer *m_serial_timer;
+ emu_timer *m_mouse_timer;
+
+ required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_mousecpu;
+ required_device<device_t> m_speaker;
+
+ int m_si;
+ int m_si_en;
+ int m_so;
+ int m_so_z2;
+ int m_so_z5;
+ int m_keydown;
+ int m_t1_z2;
+ int m_t1_z5;
+ int m_led_en;
+ int m_reset;
+};
+
+
+// device type definition
+extern const device_type ABC99;
+
+
+
+#endif