summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/video/ultraman.c
blob: 7262146a21b1c6a634b7dbffcd4280238eecce23 (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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#include "driver.h"
#include "video/konamiic.h"

#define SPRITEROM_MEM_REGION REGION_GFX1
#define ZOOMROM0_MEM_REGION REGION_GFX2
#define ZOOMROM1_MEM_REGION REGION_GFX3
#define ZOOMROM2_MEM_REGION REGION_GFX4

static int sprite_colorbase, zoom_colorbase[3];
static int bank0,bank1,bank2;


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

  Callbacks for the K051960

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

static void sprite_callback(int *code,int *color,int *priority,int *shadow)
{
	*priority = (*color & 0x80) >> 7;
	*color = sprite_colorbase + ((*color & 0x7e) >> 1);
	*shadow = 0;
}


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

  Callbacks for the K051316

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

static void zoom_callback_0(int *code,int *color,int *flags)
{
	*code |= ((*color & 0x07) << 8) | (bank0 << 11);
	*color = zoom_colorbase[0] + ((*color & 0xf8) >> 3);
}

static void zoom_callback_1(int *code,int *color,int *flags)
{
	*code |= ((*color & 0x07) << 8) | (bank1 << 11);
	*color = zoom_colorbase[1] + ((*color & 0xf8) >> 3);
}

static void zoom_callback_2(int *code,int *color,int *flags)
{
	*code |= ((*color & 0x07) << 8) | (bank2 << 11);
	*color = zoom_colorbase[2] + ((*color & 0xf8) >> 3);
}



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

    Start the video hardware emulation.

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

VIDEO_START( ultraman )
{
	sprite_colorbase = 192;
	zoom_colorbase[0] = 0;
	zoom_colorbase[1] = 64;
	zoom_colorbase[2] = 128;

	K051960_vh_start(machine,SPRITEROM_MEM_REGION,NORMAL_PLANE_ORDER,sprite_callback);
	K051316_vh_start_0(machine,ZOOMROM0_MEM_REGION,4,FALSE,0,zoom_callback_0);
	K051316_vh_start_1(machine,ZOOMROM1_MEM_REGION,4,FALSE,0,zoom_callback_1);
	K051316_vh_start_2(machine,ZOOMROM2_MEM_REGION,4,TRUE,0,zoom_callback_2);

	K051316_set_offset(0, 8, 0);
	K051316_set_offset(1, 8, 0);
	K051316_set_offset(2, 8, 0);
}



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

  Memory handlers

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

WRITE16_HANDLER( ultraman_gfxctrl_w )
{
	if (ACCESSING_LSB)
	{
		/*  bit 0: enable wraparound for scr #1
            bit 1: msb of code for scr #1
            bit 2: enable wraparound for scr #2
            bit 3: msb of code for scr #2
            bit 4: enable wraparound for scr #3
            bit 5: msb of code for scr #3
            bit 6: coin counter 1
            bit 7: coin counter 2 */
		K051316_wraparound_enable(0,data & 0x01);
		if (bank0 != ((data & 0x02) >> 1))
		{
			bank0 = (data & 0x02) >> 1;
			tilemap_mark_all_tiles_dirty(ALL_TILEMAPS);	/* should mark only zoom0 */
		}
		K051316_wraparound_enable(1,data & 0x04);
		if (bank1 != ((data & 0x08) >> 3))
		{
			bank1 = (data & 0x08) >> 3;
			tilemap_mark_all_tiles_dirty(ALL_TILEMAPS);	/* should mark only zoom1 */
		}
		K051316_wraparound_enable(2,data & 0x10);
		if (bank2 != ((data & 0x20) >> 5))
		{
			bank2 = (data & 0x20) >> 5;
			tilemap_mark_all_tiles_dirty(ALL_TILEMAPS);	/* should mark only zoom2 */
		}
		coin_counter_w(0, data & 0x40);
		coin_counter_w(1, data & 0x80);
	}
}



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

    Display Refresh

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

VIDEO_UPDATE( ultraman )
{
	K051316_zoom_draw_2(bitmap,cliprect,0,0);
	K051316_zoom_draw_1(bitmap,cliprect,0,0);
	K051960_sprites_draw(bitmap,cliprect,0,0);
	K051316_zoom_draw_0(bitmap,cliprect,0,0);
	K051960_sprites_draw(bitmap,cliprect,1,1);
	return 0;
}