summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/video/surpratk.cpp
blob: d5ecc5b088fdbd16ed858a2c8fb75fa9b27ce34a (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
// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria

#include "emu.h"
#include "includes/surpratk.h"
#include "screen.h"


/***************************************************************************

  Callbacks for the K052109

***************************************************************************/

K052109_CB_MEMBER(surpratk_state::tile_callback)
{
	*flags = (*color & 0x80) ? TILE_FLIPX : 0;
	*code |= ((*color & 0x03) << 8) | ((*color & 0x10) << 6) | ((*color & 0x0c) << 9) | (bank << 13);
	*color = m_layer_colorbase[layer] + ((*color & 0x60) >> 5);
}

/***************************************************************************

  Callbacks for the K053245

***************************************************************************/

K05324X_CB_MEMBER(surpratk_state::sprite_callback)
{
	int pri = 0x20 | ((*color & 0x60) >> 2);
	if (pri <= m_layerpri[2])
		*priority = 0;
	else if (pri > m_layerpri[2] && pri <= m_layerpri[1])
		*priority = 0xf0;
	else if (pri > m_layerpri[1] && pri <= m_layerpri[0])
		*priority = 0xf0 | 0xcc;
	else
		*priority = 0xf0 | 0xcc | 0xaa;

	*color = m_sprite_colorbase + (*color & 0x1f);
}


/***************************************************************************

    Start the video hardware emulation.

***************************************************************************/

uint32_t surpratk_state::screen_update_surpratk(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	int layer[3], bg_colorbase;

	bg_colorbase = m_k053251->get_palette_index(k053251_device::CI0);
	m_sprite_colorbase = m_k053251->get_palette_index(k053251_device::CI1);
	m_layer_colorbase[0] = m_k053251->get_palette_index(k053251_device::CI2);
	m_layer_colorbase[1] = m_k053251->get_palette_index(k053251_device::CI4);
	m_layer_colorbase[2] = m_k053251->get_palette_index(k053251_device::CI3);

	m_k052109->tilemap_update();

	layer[0] = 0;
	m_layerpri[0] = m_k053251->get_priority(k053251_device::CI2);
	layer[1] = 1;
	m_layerpri[1] = m_k053251->get_priority(k053251_device::CI4);
	layer[2] = 2;
	m_layerpri[2] = m_k053251->get_priority(k053251_device::CI3);

	konami_sortlayers3(layer, m_layerpri);

	screen.priority().fill(0, cliprect);
	bitmap.fill(16 * bg_colorbase, cliprect);
	m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[0], 0, 1);
	m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[1], 0, 2);
	m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[2], 0, 4);

	m_k053244->sprites_draw(bitmap, cliprect, screen.priority());
	return 0;
}