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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#ifndef __WS_ROM_H
#define __WS_ROM_H
#include "slot.h"
// ======================> ws_rom_device
class ws_rom_device : public device_t,
public device_ws_cart_interface
{
public:
// construction/destruction
ws_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
ws_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// 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);
// reading and writing
virtual DECLARE_READ8_MEMBER(read_rom20);
virtual DECLARE_READ8_MEMBER(read_rom30);
virtual DECLARE_READ8_MEMBER(read_rom40);
virtual DECLARE_READ8_MEMBER(read_io);
virtual DECLARE_WRITE8_MEMBER(write_io);
protected:
UINT8 m_io_regs[0x10];
UINT32 m_base20, m_base30, m_base40;
// RTC
UINT8 m_rtc_setting; /* Timer setting byte */
UINT8 m_rtc_year; /* Year */
UINT8 m_rtc_month; /* Month */
UINT8 m_rtc_day; /* Day */
UINT8 m_rtc_day_of_week; /* Day of the week */
UINT8 m_rtc_hour; /* Hour, high bit = 0 => AM, high bit = 1 => PM */
UINT8 m_rtc_minute; /* Minute */
UINT8 m_rtc_second; /* Second */
UINT8 m_rtc_index; /* index for reading/writing of current of alarm time */
static const device_timer_id TIMER_RTC = 0;
emu_timer *rtc_timer;
};
// ======================> ws_rom_sram_device
class ws_rom_sram_device : public ws_rom_device
{
public:
// construction/destruction
ws_rom_sram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
// reading and writing
virtual DECLARE_READ8_MEMBER(read_ram);
virtual DECLARE_WRITE8_MEMBER(write_ram);
virtual DECLARE_WRITE8_MEMBER(write_io);
private:
UINT32 m_nvram_base;
};
// ======================> ws_rom_eeprom_device
class ws_rom_eeprom_device : public ws_rom_device
{
public:
// construction/destruction
ws_rom_eeprom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
// reading and writing
virtual DECLARE_READ8_MEMBER(read_io);
virtual DECLARE_WRITE8_MEMBER(write_io);
private:
UINT8 m_eeprom_mode; /* eeprom mode */
UINT16 m_eeprom_address; /* Read/write address */
UINT8 m_eeprom_command; /* Commands: 00, 01, 02, 03, 04, 08, 0C */
UINT8 m_eeprom_start; /* start bit */
UINT8 m_eeprom_write_enabled; /* write enabled yes/no */
};
// device type definition
extern const device_type WS_ROM_STD;
extern const device_type WS_ROM_SRAM;
extern const device_type WS_ROM_EEPROM;
#endif
|