1 // license:BSD-3-Clause
2 // copyright-holders:Vas Crabb
3 /***************************************************************************
4 
5     Amiga 1200 Keyboard
6 
7  ***************************************************************************/
8 
9 #ifndef MAME_BUS_AMIGA_KEYBOARD_A1200_H
10 #define MAME_BUS_AMIGA_KEYBOARD_A1200_H
11 
12 #pragma once
13 
14 #include "keyboard.h"
15 
16 
17 namespace bus { namespace amiga { namespace keyboard {
18 
19 //**************************************************************************
20 //  TYPE DECLARATIONS
21 //**************************************************************************
22 
23 class a1200_kbd_device : public device_t, public device_amiga_keyboard_interface
24 {
25 public:
26 	// construction/destruction
27 	a1200_kbd_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock);
28 
29 	// from host
30 	virtual DECLARE_WRITE_LINE_MEMBER(kdat_w) override;
31 
32 	DECLARE_INPUT_CHANGED_MEMBER(layout_changed);
33 
34 protected:
35 	// MPU I/O
36 	u8 mpu_portb_r();
37 	void mpu_porta_w(offs_t offset, u8 data, u8 mem_mask = ~0);
38 	void mpu_portb_w(offs_t offset, u8 data, u8 mem_mask = ~0);
39 	void mpu_portc_w(offs_t offset, u8 data, u8 mem_mask = ~0);
40 	DECLARE_WRITE_LINE_MEMBER(mpu_tcmp);
41 
42 	virtual tiny_rom_entry const *device_rom_region() const override;
43 	virtual void device_add_mconfig(machine_config &config) override;
44 	virtual ioport_constructor device_input_ports() const override;
45 
46 	virtual void device_start() override;
47 	virtual void device_reset_after_children() override;
48 
49 private:
50 	required_ioport_array<15>   m_rows;
51 	required_device<cpu_device> m_mpu;
52 	output_finder<>             m_led_kbd_caps;
53 
54 	u16                         m_row_drive;
55 	bool                        m_host_kdat, m_mpu_kdat;
56 };
57 
58 } } } // namespace bus::amiga::keyboard
59 
60 
61 //**************************************************************************
62 //  GLOBAL VARIABLES
63 //**************************************************************************
64 
65 DECLARE_DEVICE_TYPE_NS(A1200_KBD, bus::amiga::keyboard, a1200_kbd_device)
66 
67 #endif // MAME_BUS_AMIGA_KEYBOARD_A1200_H
68