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
|
// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_VECTREX_ROM_H
#define MAME_BUS_VECTREX_ROM_H
#pragma once
#include "slot.h"
// ======================> vectrex_rom_device
class vectrex_rom_device : public device_t,
public device_vectrex_cart_interface
{
public:
// construction/destruction
vectrex_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// reading and writing
virtual uint8_t read_rom(offs_t offset) override;
protected:
vectrex_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override { }
virtual void device_reset() override { }
};
// ======================> vectrex_rom64k_device
class vectrex_rom64k_device : public vectrex_rom_device
{
public:
// construction/destruction
vectrex_rom64k_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// reading and writing
virtual uint8_t read_rom(offs_t offset) override;
virtual void write_bank(uint8_t data) override;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
int m_bank;
};
// ======================> vectrex_sram_device
class vectrex_sram_device : public vectrex_rom_device
{
public:
// construction/destruction
vectrex_sram_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// reading and writing
virtual void write_ram(offs_t offset, uint8_t data) override;
};
// device type definition
DECLARE_DEVICE_TYPE(VECTREX_ROM_STD, vectrex_rom_device)
DECLARE_DEVICE_TYPE(VECTREX_ROM_64K, vectrex_rom64k_device)
DECLARE_DEVICE_TYPE(VECTREX_ROM_SRAM, vectrex_sram_device)
#endif // MAME_BUS_VECTREX_ROM_H
|