summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/includes/studio2.h
blob: 146228996e560d0401831d80c92d938a7efcfbfb (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
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
#pragma once

#ifndef __STUDIO2__
#define __STUDIO2__


#include "emu.h"
#include "cpu/cosmac/cosmac.h"
#include "imagedev/cartslot.h"
#include "formats/studio2_st2.h"
#include "sound/beep.h"
#include "sound/cdp1864.h"
#include "sound/discrete.h"
#include "video/cdp1861.h"

#define CDP1802_TAG		"ic1"
#define CDP1861_TAG		"ic2"
#define CDP1864_TAG		"cdp1864"
#define SCREEN_TAG		"screen"

class studio2_state : public driver_device
{
public:
	studio2_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		  m_maincpu(*this, CDP1802_TAG),
		  m_speaker(*this, BEEPER_TAG),
		  m_vdc(*this, CDP1861_TAG)
	{ }

	required_device<cosmac_device> m_maincpu;
	required_device<device_t> m_speaker;
	optional_device<cdp1861_device> m_vdc;

	virtual void machine_start();
	virtual void machine_reset();

	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	DECLARE_READ8_MEMBER( dispon_r );
	DECLARE_WRITE8_MEMBER( keylatch_w );
	DECLARE_WRITE8_MEMBER( dispon_w );
	READ_LINE_MEMBER( clear_r );
	READ_LINE_MEMBER( ef3_r );
	READ_LINE_MEMBER( ef4_r );
	WRITE_LINE_MEMBER( q_w );
	DECLARE_INPUT_CHANGED_MEMBER( reset_w );

	/* keyboard state */
	UINT8 m_keylatch;
	DECLARE_DRIVER_INIT(studio2);
};

class visicom_state : public studio2_state
{
public:
	visicom_state(const machine_config &mconfig, device_type type, const char *tag)
		: studio2_state(mconfig, type, tag),
		  m_color_ram(*this, "color_ram"),
		  m_color_ram1(*this, "color_ram1")
	{ }

	required_shared_ptr<UINT8> m_color_ram;
	required_shared_ptr<UINT8> m_color_ram1;
};

class mpt02_state : public studio2_state
{
public:
	mpt02_state(const machine_config &mconfig, device_type type, const char *tag)
		: studio2_state(mconfig, type, tag),
		  m_cti(*this, CDP1864_TAG),
		  m_color_ram(*this, "color_ram")
	{ }

	required_device<cdp1864_device> m_cti;

	virtual void machine_reset();

	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	DECLARE_WRITE8_MEMBER( dma_w );
	DECLARE_READ_LINE_MEMBER( rdata_r );
	DECLARE_READ_LINE_MEMBER( bdata_r );
	DECLARE_READ_LINE_MEMBER( gdata_r );

	/* video state */
	required_shared_ptr<UINT8> m_color_ram;
	UINT8 m_color;
};

#endif