summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/mogura.c
blob: e269b3cc55c67ec9660ad79b978e30eccc473252 (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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
/* Mogura Desse */

#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/dac.h"
#include "includes/konamipt.h"

class mogura_state : public driver_device
{
public:
	mogura_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }

	/* memory pointers */
	UINT8 *   m_tileram;
	UINT8 *   m_gfxram;

	/* video-related */
	tilemap_t *m_tilemap;

	/* devices */
	device_t *m_maincpu;
	device_t *m_dac1;
	device_t *m_dac2;
};


static PALETTE_INIT( mogura )
{
	int i, j;

	j = 0;
	for (i = 0; i < 0x20; i++)
	{
		int bit0, bit1, bit2, r, g, b;

		/* red component */
		bit0 = BIT(color_prom[i], 0);
		bit1 = BIT(color_prom[i], 1);
		bit2 = BIT(color_prom[i], 2);
		r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
		/* green component */
		bit0 = BIT(color_prom[i], 3);
		bit1 = BIT(color_prom[i], 4);
		bit2 = BIT(color_prom[i], 5);
		g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
		/* blue component */
		bit0 = 0;
		bit1 = BIT(color_prom[i], 6);
		bit2 = BIT(color_prom[i], 7);
		b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;

		palette_set_color(machine, j, MAKE_RGB(r, g, b));
		j += 4;
		if (j > 31) j -= 31;
	}
}


static TILE_GET_INFO( get_mogura_tile_info )
{
	mogura_state *state = machine.driver_data<mogura_state>();
	int code = state->m_tileram[tile_index];
	int attr = state->m_tileram[tile_index + 0x800];

	SET_TILE_INFO(
			0,
			code,
			(attr >> 1) & 7,
			0);
}


static VIDEO_START( mogura )
{
	mogura_state *state = machine.driver_data<mogura_state>();
	gfx_element_set_source(machine.gfx[0], state->m_gfxram);
	state->m_tilemap = tilemap_create(machine, get_mogura_tile_info, tilemap_scan_rows, 8, 8, 64, 32);
}

static SCREEN_UPDATE( mogura )
{
	mogura_state *state = screen->machine().driver_data<mogura_state>();
	const rectangle &visarea = screen->visible_area();

	/* tilemap layout is a bit strange ... */
	rectangle clip;
	clip.min_x = visarea.min_x;
	clip.max_x = 256 - 1;
	clip.min_y = visarea.min_y;
	clip.max_y = visarea.max_y;
	tilemap_set_scrollx(state->m_tilemap, 0, 256);
	tilemap_draw(bitmap, &clip, state->m_tilemap, 0, 0);

	clip.min_x = 256;
	clip.max_x = 512 - 1;
	clip.min_y = visarea.min_y;
	clip.max_y = visarea.max_y;
	tilemap_set_scrollx(state->m_tilemap, 0, -128);
	tilemap_draw(bitmap, &clip, state->m_tilemap, 0, 0);

	return 0;
}

static WRITE8_HANDLER( mogura_tileram_w )
{
	mogura_state *state = space->machine().driver_data<mogura_state>();
	state->m_tileram[offset] = data;
	tilemap_mark_tile_dirty(state->m_tilemap, offset & 0x7ff);
}

static WRITE8_HANDLER(mogura_dac_w)
{
	mogura_state *state = space->machine().driver_data<mogura_state>();
	dac_data_w(state->m_dac1, data & 0xf0);	/* left */
	dac_data_w(state->m_dac2, (data & 0x0f) << 4);	/* right */
}


static WRITE8_HANDLER ( mogura_gfxram_w )
{
	mogura_state *state = space->machine().driver_data<mogura_state>();
	state->m_gfxram[offset] = data ;

	gfx_element_mark_dirty(space->machine().gfx[0], offset / 16);
}


static ADDRESS_MAP_START( mogura_map, AS_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0xc000, 0xdfff) AM_RAM // main ram
	AM_RANGE(0xe000, 0xefff) AM_RAM_WRITE(mogura_gfxram_w) AM_BASE_MEMBER(mogura_state, m_gfxram) // ram based characters
	AM_RANGE(0xf000, 0xffff) AM_RAM_WRITE(mogura_tileram_w) AM_BASE_MEMBER(mogura_state, m_tileram) // tilemap
ADDRESS_MAP_END

static ADDRESS_MAP_START( mogura_io_map, AS_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_WRITENOP	// ??
	AM_RANGE(0x08, 0x08) AM_READ_PORT("SYSTEM")
	AM_RANGE(0x0c, 0x0c) AM_READ_PORT("P1")
	AM_RANGE(0x0d, 0x0d) AM_READ_PORT("P2")
	AM_RANGE(0x0e, 0x0e) AM_READ_PORT("P3")
	AM_RANGE(0x0f, 0x0f) AM_READ_PORT("P4")
	AM_RANGE(0x10, 0x10) AM_READ_PORT("SERVICE")
	AM_RANGE(0x14, 0x14) AM_WRITE(mogura_dac_w)	/* 4 bit DAC x 2. MSB = left, LSB = right */
ADDRESS_MAP_END

static INPUT_PORTS_START( mogura )
	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE3 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE4 )

	PORT_START("P1")
	KONAMI8_B123_START(1)

	PORT_START("P2")
	KONAMI8_B123_START(2)

	PORT_START("P3")
	KONAMI8_B123_START(3)

	PORT_START("P4")
	KONAMI8_B123_START(4)

	PORT_START("SERVICE")
	PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_LOW)
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END



static const gfx_layout tiles8x8_layout =
{
	8,8,
	0x1000*8/(16*8),
	2,
	{ 0, 1 },
	{ 0, 2, 4, 6, 8, 10, 12, 14 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	16*8
};

static GFXDECODE_START( mogura )
	GFXDECODE_ENTRY( NULL, 0, tiles8x8_layout, 0, 8 )
GFXDECODE_END

static MACHINE_START( mogura )
{
	mogura_state *state = machine.driver_data<mogura_state>();

	state->m_maincpu = machine.device("maincpu");
	state->m_dac1 = machine.device("dac1");
	state->m_dac2 = machine.device("dac2");
}

static MACHINE_CONFIG_START( mogura, mogura_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80,3000000)		 /* 3 MHz */
	MCFG_CPU_PROGRAM_MAP(mogura_map)
	MCFG_CPU_IO_MAP(mogura_io_map)
	MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)

	MCFG_MACHINE_START(mogura)

	MCFG_GFXDECODE(mogura)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60) // ?
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MCFG_SCREEN_SIZE(512, 512)
	MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1)
	MCFG_SCREEN_UPDATE(mogura)

	MCFG_PALETTE_LENGTH(32)

	MCFG_PALETTE_INIT(mogura)
	MCFG_VIDEO_START(mogura)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

	MCFG_SOUND_ADD("dac1", DAC, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)

	MCFG_SOUND_ADD("dac2", DAC, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
MACHINE_CONFIG_END

ROM_START( mogura )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "gx141.5n", 0x00000, 0x08000, CRC(98e6120d) SHA1(45cdb2d78224a7c44fff8cd3487f33c57669a06c)  )

	ROM_REGION( 0x20, "proms", 0 )
	ROM_LOAD( "gx141.7j", 0x00, 0x20,  CRC(b21c5d5f) SHA1(6913c840dd69a7d4687f4c4cbe3ff12300f62bc2) )
ROM_END

GAME( 1991, mogura, 0, mogura, mogura, 0, ROT0, "Konami", "Mogura Desse (Japan)", GAME_SUPPORTS_SAVE )