blob: f63b07daf476ada84a962f6044396675e314ccfd (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_MACHINE_CIT220_KBD_H
#define MAME_MACHINE_CIT220_KBD_H
#pragma once
#include "cpu/mcs48/mcs48.h"
#include "sound/beep.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> cit220p_keyboard_device
class cit220p_keyboard_device : public device_t
{
public:
// device type constructor
cit220p_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
// callback configuration
auto txd_callback() { return m_txd_callback.bind(); }
// serial line input
DECLARE_WRITE_LINE_MEMBER(write_rxd);
protected:
// device-level overrides
virtual void device_resolve_objects() override;
virtual void device_start() 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;
private:
// MCU handlers
u8 mcu_bus_r();
u8 mcu_p2_r();
void mcu_p2_w(u8 data);
void mcu_movx_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_beeper;
required_ioport_array<13> m_rows;
required_ioport m_modifiers;
// output callback
devcb_write_line m_txd_callback;
};
// device type declaration
DECLARE_DEVICE_TYPE(CIT220P_KEYBOARD, cit220p_keyboard_device)
#endif // MAME_MACHINE_CIT220_KBD_H
|