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
94
95
96
97
98
99
100
101
|
// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_MACHINE_ELAN_EU3A14VID_H
#define MAME_MACHINE_ELAN_EU3A14VID_H
#include "elan_eu3a05commonvid.h"
#include "cpu/m6502/m6502.h"
#include "screen.h"
class elan_eu3a14vid_device : public elan_eu3a05commonvid_device, public device_memory_interface
{
public:
elan_eu3a14vid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <typename T> void set_cpu(T &&tag) { m_cpu.set_tag(std::forward<T>(tag)); }
void map(address_map &map) ATTR_COLD;
void set_default_spriteramaddr(uint8_t spriteramaddr) { m_default_spriteramaddr = spriteramaddr; }
void set_tilerambase(int tilerambase) { m_tilerambase = tilerambase; }
void create_bitmaps(screen_device *screen);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual space_config_vector memory_space_config() const override;
private:
required_device<m6502_device> m_cpu;
const address_space_config m_space_config;
inline uint8_t read_gfxdata(int offset, int x);
inline uint8_t read_vram(int offset);
inline uint8_t readpix(int baseaddr, int count, int drawfromram);
uint8_t tilecfg_r(offs_t offset) { return m_tilecfg[offset]; }
void tilecfg_w(offs_t offset, uint8_t data) { m_tilecfg[offset] = data; }
uint8_t ramtilecfg_r(offs_t offset) { return m_ramtilecfg[offset]; }
void ramtilecfg_w(offs_t offset, uint8_t data) { m_ramtilecfg[offset] = data; }
uint8_t rowscrollcfg_r(offs_t offset) { return m_rowscrollcfg[offset]; }
void rowscrollcfg_w(offs_t offset, uint8_t data) { m_rowscrollcfg[offset] = data; }
uint8_t scrollregs_r(offs_t offset) { return m_scrollregs[offset]; }
void scrollregs_w(offs_t offset, uint8_t data) { m_scrollregs[offset] = data; }
uint8_t rowscrollregs_r(offs_t offset) { return m_rowscrollregs[offset]; }
void rowscrollregs_w(offs_t offset, uint8_t data) { m_rowscrollregs[offset] = data; }
uint8_t spritebase_r(offs_t offset) { return m_spritebase[offset]; }
void spritebase_w(offs_t offset, uint8_t data) { m_spritebase[offset] = data; }
uint8_t rowscrollsplit_r(offs_t offset) { return m_rowscrollsplit[offset]; }
void rowscrollsplit_w(offs_t offset, uint8_t data) { m_rowscrollsplit[offset] = data; }
uint8_t spriteaddr_r() { return m_spriteaddr; }
void spriteaddr_w(uint8_t data) { m_spriteaddr = data; }
uint8_t reg5107_r() { return m_5107; }
void reg5107_w(uint8_t data) { m_5107 = data; }
uint8_t reg5108_r() { return m_5108; }
void reg5108_w(uint8_t data) { m_5108 = data; }
uint8_t reg5109_r() { return m_5109; }
void reg5109_w(uint8_t data) { m_5109 = data; }
uint8_t read_unmapped(offs_t offset);
void write_unmapped(offs_t offset, uint8_t data);
void draw_background_ramlayer(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
int get_xscroll_for_screenypos(int line);
void draw_background_tile(bitmap_rgb32 &bitmap, const rectangle &cliprect, int bpp, int tileno, int palette, int priority, int flipx, int flipy, int xpos, int ypos, int transpen, int size, int base, int drawfromram);
void draw_background_page(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect, int ramstart, int ramend, int xbase, int ybase, int size, int bpp, int base, int pagewidth,int pageheight, int bytespertile, int palettepri, int drawfromram);
void draw_background(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void draw_sprite_pix(const rectangle &cliprect, uint32_t *dst, uint8_t *pridst, int realx, int priority, uint8_t pix, uint8_t mask, uint8_t shift, int palette);
void draw_sprite_line(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect, int offset, int line, int pal, int flipx, int pri, int xpos, int ypos, int bpp);
void draw_sprites(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
uint8_t m_scrollregs[4];
uint8_t m_tilecfg[6];
uint8_t m_rowscrollregs[8];
uint8_t m_rowscrollsplit[5];
uint8_t m_rowscrollcfg[2];
uint8_t m_ramtilecfg[6];
uint8_t m_spriteaddr = 0;
uint8_t m_spritebase[2];
uint8_t m_5107 = 0;
uint8_t m_5108 = 0;
uint8_t m_5109 = 0;
int m_tilerambase = 0;
int m_spriterambase = 0;
bitmap_ind8 m_prioritybitmap;
uint8_t m_default_spriteramaddr;
};
DECLARE_DEVICE_TYPE(ELAN_EU3A14_VID, elan_eu3a14vid_device)
#endif // MAME_MACHINE_ELAN_EU3A14VID_H
|