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Diffstat (limited to 'src/devices/bus/uts_kbd/extw.h')
-rw-r--r--src/devices/bus/uts_kbd/extw.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/devices/bus/uts_kbd/extw.h b/src/devices/bus/uts_kbd/extw.h
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+++ b/src/devices/bus/uts_kbd/extw.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_BUS_UTS_KBD_EXTW_H
+#define MAME_BUS_UTS_KBD_EXTW_H
+
+#pragma once
+
+#include "bus/uts_kbd/uts_kbd.h"
+
+class uts_extw_keyboard_device : public device_t, public device_uts_keyboard_interface
+{
+public:
+ uts_extw_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ virtual DECLARE_WRITE_LINE_MEMBER(ready_w) override;
+
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_start() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ u8 p1_r();
+ void p1_w(u8 data);
+ void p2_w(u8 data);
+ void t0_clock(u32 clk);
+ DECLARE_READ_LINE_MEMBER(t1_r);
+ DECLARE_WRITE_LINE_MEMBER(prog_w);
+
+ void prog_map(address_map &map);
+ void ext_map(address_map &map);
+
+ required_ioport_array<16> m_keys;
+ output_finder<> m_shift_led;
+
+ u8 m_p1_output;
+ u8 m_p2_output;
+ u8 m_shift_register;
+ bool m_ready_line;
+ bool m_prog_line;
+};
+
+DECLARE_DEVICE_TYPE(UTS_EXTW_KEYBOARD, uts_extw_keyboard_device)
+
+#endif // MAME_BUS_UTS_KBD_EXTW_H