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
|
#include "emu.h"
#include "includes/kopunch.h"
void kopunch_state::palette_init()
{
const UINT8 *color_prom = memregion("proms")->base();
int i;
color_prom += 24; /* first 24 colors are black */
for (i = 0; i < machine().total_colors(); i++)
{
int bit0, bit1, bit2, r, g, b;
/* red component */
bit0 = (*color_prom >> 0) & 0x01;
bit1 = (*color_prom >> 1) & 0x01;
bit2 = (*color_prom >> 2) & 0x01;
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* green component */
bit0 = (*color_prom >> 3) & 0x01;
bit1 = (*color_prom >> 4) & 0x01;
bit2 = (*color_prom >> 5) & 0x01;
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* blue component */
bit0 = 0;
bit1 = (*color_prom >> 6) & 0x01;
bit2 = (*color_prom >> 7) & 0x01;
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
palette_set_color(machine(), i, rgb_t(r, g, b));
color_prom++;
}
}
WRITE8_MEMBER(kopunch_state::kopunch_videoram_w)
{
m_videoram[offset] = data;
m_fg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(kopunch_state::kopunch_videoram2_w)
{
m_videoram2[offset] = data;
m_bg_tilemap->mark_tile_dirty(offset);
}
WRITE8_MEMBER(kopunch_state::kopunch_scroll_x_w)
{
m_bg_tilemap->set_scrollx(0, data);
}
WRITE8_MEMBER(kopunch_state::kopunch_scroll_y_w)
{
m_bg_tilemap->set_scrolly(0, data);
}
WRITE8_MEMBER(kopunch_state::kopunch_gfxbank_w)
{
if (m_gfxbank != (data & 0x07))
{
m_gfxbank = data & 0x07;
m_bg_tilemap->mark_all_dirty();
}
m_bg_tilemap->set_flip((data & 0x08) ? TILEMAP_FLIPY : 0);
}
TILE_GET_INFO_MEMBER(kopunch_state::get_fg_tile_info)
{
int code = m_videoram[tile_index];
SET_TILE_INFO_MEMBER(m_gfxdecode, 0, code, 0, 0);
}
TILE_GET_INFO_MEMBER(kopunch_state::get_bg_tile_info)
{
int code = (m_videoram2[tile_index] & 0x7f) + 128 * m_gfxbank;
SET_TILE_INFO_MEMBER(m_gfxdecode, 1, code, 0, 0);
}
void kopunch_state::video_start()
{
m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(kopunch_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(kopunch_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 16, 16, 16);
m_fg_tilemap->set_transparent_pen(0);
m_bg_tilemap->set_scrolldx(16, 16);
}
UINT32 kopunch_state::screen_update_kopunch(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
}
|