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Diffstat (limited to 'src/devices/bus/z29_kbd/md_kbd.h')
-rw-r--r--src/devices/bus/z29_kbd/md_kbd.h61
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diff --git a/src/devices/bus/z29_kbd/md_kbd.h b/src/devices/bus/z29_kbd/md_kbd.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_BUS_Z29_KBD_MD_KBD_H
+#define MAME_BUS_Z29_KBD_MD_KBD_H
+
+#pragma once
+
+#include "keyboard.h"
+#include "cpu/mcs48/mcs48.h"
+#include "sound/beep.h"
+
+class md_keyboard_device : public device_t, public device_z29_keyboard_interface
+{
+public:
+ // device type constructor
+ md_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_resolve_objects() override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+ // device_z29_keyboard_interface overrides
+ virtual void receive_data(bool state) override;
+
+private:
+ // MCU handlers
+ u8 mcu_p1_r();
+ void mcu_p1_w(u8 data);
+ int mcu_t1_r();
+ void mcu_movx_w(u8 data);
+
+ // misc. helpers
+ TIMER_CALLBACK_MEMBER(receive_data_synced);
+ void ls175_w(u8 data);
+
+ // address maps
+ void prog_map(address_map &map);
+ void ext_map(address_map &map);
+
+ // object finders
+ required_device<mcs48_cpu_device> m_mcu;
+ required_device<beep_device> m_buzzer;
+ required_ioport_array<16> m_matrix;
+ output_finder<2> m_leds;
+
+ // internal state
+ u8 m_14515b_select;
+ bool m_ls175_clock;
+ bool m_recv_data;
+};
+
+// device type declaration
+DECLARE_DEVICE_TYPE(MD_KEYBOARD, md_keyboard_device)
+
+#endif // MAME_BUS_Z29_KBD_MD_KBD_H