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
|
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
#ifndef MAME_BUS_COCO_COCO_WPK_H
#define MAME_BUS_COCO_COCO_WPK_H
#pragma once
#include "cococart.h"
#include "video/mc6845.h"
#include "emupal.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> coco_wpk_device
class coco_wpk_device :
public device_t,
public device_cococart_interface
{
public:
static constexpr feature_type imperfect_features() { return feature::GRAPHICS; }
// construction/destruction
coco_wpk_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// construction/destruction
coco_wpk_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
required_device<r6545_1_device> m_crtc;
required_device<palette_device> m_palette;
required_memory_region m_chargen;
u16 m_video_addr;
std::unique_ptr<u8[]> m_video_ram;
void crtc_display_w(u8 data);
MC6845_ON_UPDATE_ADDR_CHANGED(crtc_addr);
MC6845_UPDATE_ROW(crtc_update_row);
};
// ======================> coco_wpk2_device
class coco_wpk2_device : public coco_wpk_device
{
public:
// construction/destruction
coco_wpk2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
void video_select_w(u8 data);
};
// ======================> coco_wpkrs_device
class coco_wpkrs_device : public coco_wpk_device
{
public:
// construction/destruction
coco_wpkrs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
};
// device type definition
DECLARE_DEVICE_TYPE(COCO_WPK, coco_wpk_device)
DECLARE_DEVICE_TYPE(COCO_WPK2, coco_wpk2_device)
DECLARE_DEVICE_TYPE(COCO_WPKRS, coco_wpkrs_device)
#endif // MAME_BUS_COCO_COCO_WPK_H
|