blob: 3a5760be2a8063891a5c4c1075e68959e96ba2b9 (
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
|
// license:BSD-3-Clause
// copyright-holders:Sven Schnelle
#ifndef MAME_VIDEO_NEREID_H
#define MAME_VIDEO_NEREID_H
#pragma once
class nereid_device : public device_t
{
public:
nereid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_READ16_MEMBER(ctrl_r);
DECLARE_WRITE16_MEMBER(ctrl_w);
rgb_t map_color(uint8_t input);
protected:
nereid_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override;
virtual void device_reset() override;
private:
static constexpr int NEREID_BUSY=1;
static constexpr int NEREID_RED_DATA=0x59;
static constexpr int NEREID_GREEN_DATA=0x5a;
static constexpr int NEREID_BLUE_DATA=0x5b;
static constexpr int NEREID_INDEX=0x5c;
static constexpr int NEREID_PLANE_MASK=0x5d;
static constexpr int NEREID_WRITE_STROBE=0x78;
static constexpr int NEREID_READ_STROBE=0x7c;
rgb_t m_palette[256];
/* registers */
uint8_t m_red;
uint8_t m_green;
uint8_t m_blue;
uint8_t m_index;
uint8_t m_plane_mask;
};
DECLARE_DEVICE_TYPE(NEREID, nereid_device)
#endif // MAME_VIDEO_NEREID_H
|