blob: d576a6a6c1d7161857fe2af3fae4a0cde69abaf1 (
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
|
// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
Nascom Advanced Video Card
***************************************************************************/
#pragma once
#ifndef __NASBUS_AVC_H__
#define __NASBUS_AVC_H__
#include "emu.h"
#include "nasbus.h"
#include "video/mc6845.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> nascom_avc_device
class nascom_avc_device : public device_t, public device_nasbus_card_interface
{
public:
// construction/destruction
nascom_avc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
MC6845_UPDATE_ROW(crtc_update_row);
DECLARE_WRITE8_MEMBER(control_w);
READ8_MEMBER(vram_r);
WRITE8_MEMBER(vram_w);
protected:
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<mc6845_device> m_crtc;
required_device<palette_device> m_palette;
std::vector<uint8_t> m_r_ram;
std::vector<uint8_t> m_g_ram;
std::vector<uint8_t> m_b_ram;
uint8_t m_control;
};
// device type definition
extern const device_type NASCOM_AVC;
#endif // __NASBUS_AVC_H__
|