summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/diverboy.cpp
blob: 3d0376188af4a61b1a81927cd869e025dbef38bb (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
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
// license:BSD-3-Clause
// copyright-holders:David Haywood
/* Diver Boy
 (c)1992 Device Electronics


 ----

 Here's the info about this dump:

 Name:            DiverBoy
 Manufacturer:    Unknown
 Year:            Unknown
 Date Dumped:     17-07-2002 (DD-MM-YYYY)

 CPU:             68000, Z80
 SOUND:           OKIM6295
 GFX:             Unknown

 About the game:

 The worst game I have :) Enjoy it so much as me :D

 ----

 Stephh's notes :

  - COIN3 gives ("Coinage" * 2) coins/credits :

     COIN1/2    COIN3
      4C_1C     2C_1C
      3C_1C    special   (see below)
      2C_1C     1C_1C
      1C_1C     1C_2C
      1C_2C     1C_4C
      1C_3C     1C_6C
      1C_4C     1C_8C
      1C_6C     1C_12C

    when "Coinage" set to 3C_1C, pressing COIN3 has this effect :

      * 1st coin : nothing
      * 2nd coin : adds 1 credit
      * 3rd coin : adds 1 credit
      * 4th coin : nothing
      * 5th coin : adds 1 credit
      * 6th coin : adds 1 credit ...

*/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/m68000/m68000.h"
#include "machine/gen_latch.h"
#include "sound/okim6295.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"



class diverboy_state : public driver_device
{
public:
	diverboy_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_spriteram(*this, "spriteram"),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_oki(*this, "oki"),
		m_gfxdecode(*this, "gfxdecode"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette"),
		m_soundlatch(*this, "soundlatch")
	{ }

	void diverboy(machine_config &config);

private:
	/* memory pointers */
	required_shared_ptr<uint16_t> m_spriteram;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	required_device<okim6295_device> m_oki;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;
	required_device<generic_latch_8_device> m_soundlatch;

	DECLARE_WRITE16_MEMBER(soundcmd_w);
	DECLARE_WRITE8_MEMBER(okibank_w);
	virtual void machine_start() override;
	virtual void video_start() override;
	uint32_t screen_update_diverboy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void draw_sprites(  bitmap_ind16 &bitmap, const rectangle &cliprect );
	void diverboy_map(address_map &map);
	void snd_map(address_map &map);
};


void diverboy_state::video_start()
{
}

void diverboy_state::draw_sprites(  bitmap_ind16 &bitmap, const rectangle &cliprect )
{
	uint16_t *source = m_spriteram;
	uint16_t *finish = source + (m_spriteram.bytes() / 2);

	while (source < finish)
	{
		int16_t xpos, ypos, number, colr, bank, flash;

		ypos = source[4];
		xpos = source[0];
		colr = (source[1] & 0x00f0) >> 4;
		number = source[3];
		flash = source[1] & 0x1000;

		colr |= ((source[1] & 0x000c) << 2);

		ypos = 0x100 - ypos;

		bank = (source[1] & 0x0002) >> 1;

		if (!flash || (m_screen->frame_number() & 1))
		{
			m_gfxdecode->gfx(bank)->transpen(bitmap,cliprect,
					number,
					colr,
					0,0,
					xpos,ypos,
					(source[1] & 0x0008) ? -1 : 0);
		}

		source += 8;
	}
}

uint32_t diverboy_state::screen_update_diverboy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
//  bitmap.fill(m_palette->black_pen(), cliprect);
	draw_sprites(bitmap, cliprect);
	return 0;
}


WRITE16_MEMBER(diverboy_state::soundcmd_w)
{
	if (ACCESSING_BITS_0_7)
	{
		m_soundlatch->write(data & 0xff);
		m_audiocpu->set_input_line(0, HOLD_LINE);
	}
}

WRITE8_MEMBER(diverboy_state::okibank_w)
{
	/* bit 2 might be reset */
//  popmessage("%02x",data);
	m_oki->set_rom_bank(data & 3);
}



void diverboy_state::diverboy_map(address_map &map)
{
	map(0x000000, 0x03ffff).rom();
	map(0x040000, 0x04ffff).ram();
	map(0x080000, 0x083fff).ram().share("spriteram");
	map(0x100000, 0x100001).w(FUNC(diverboy_state::soundcmd_w));
	map(0x140000, 0x1407ff).w(m_palette, FUNC(palette_device::write16)).share("palette");
	map(0x180000, 0x180001).portr("P1_P2");
	map(0x180002, 0x180003).portr("DSW");
	map(0x180008, 0x180009).portr("COINS");
//  map(0x18000a, 0x18000b).nopr();
//  map(0x18000c, 0x18000d).nopw();
	map(0x320000, 0x3207ff).writeonly(); /* ?? */
	map(0x322000, 0x3227ff).writeonly(); /* ?? */
//  map(0x340000, 0x340001).nopw();
//  map(0x340002, 0x340003).nopw();
}

void diverboy_state::snd_map(address_map &map)
{
	map(0x0000, 0x7fff).rom();
	map(0x8000, 0x87ff).ram();
	map(0x9000, 0x9000).w(FUNC(diverboy_state::okibank_w));
	map(0x9800, 0x9800).rw(m_oki, FUNC(okim6295_device::read), FUNC(okim6295_device::write));
	map(0xa000, 0xa000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
}



static INPUT_PORTS_START( diverboy )
	PORT_START("P1_P2") // 0x180000.w
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)   // unused ?
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) // unused ?
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)       // "Dive"
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)       // unknown effect
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)   // unused ?
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) // unused ?
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)       // "Dive"
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)       // unknown effect
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 )

	PORT_START("DSW")   // 0x180002.w
	PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_6C ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x08, "3" )
	PORT_DIPNAME( 0x10, 0x10, "Display Copyright" )
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x60, 0x20, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x60, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
	PORT_DIPSETTING(    0x80, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )

	PORT_START("COINS") // 0x180008.w
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )      // read notes
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )   // must be 00 - check code at 0x001680
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END



static const gfx_layout diverboy_spritelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0,1,2,3 },
	{  4, 0,  12, 8,  20, 16, 28, 24,
		36, 32, 44, 40, 52, 48, 60, 56 },
	{ 0*64, 1*64, 2*64,  3*64,  4*64,  5*64,  6*64,  7*64,
		8*64, 9*64, 10*64, 11*64, 12*64, 13*64, 14*64, 15*64 },
	16*64
};

static GFXDECODE_START( gfx_diverboy )
	GFXDECODE_ENTRY( "gfx1", 0, diverboy_spritelayout, 0, 4*16 )
	GFXDECODE_ENTRY( "gfx2", 0, diverboy_spritelayout, 0, 4*16 )
GFXDECODE_END


void diverboy_state::machine_start()
{
}

void diverboy_state::diverboy(machine_config &config)
{
	M68000(config, m_maincpu, 12000000); /* guess */
	m_maincpu->set_addrmap(AS_PROGRAM, &diverboy_state::diverboy_map);
	m_maincpu->set_vblank_int("screen", FUNC(diverboy_state::irq6_line_hold));

	Z80(config, m_audiocpu, 4000000);
	m_audiocpu->set_addrmap(AS_PROGRAM, &diverboy_state::snd_map);


	GFXDECODE(config, m_gfxdecode, m_palette, gfx_diverboy);

	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
	m_screen->set_refresh_hz(60);
	m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
	m_screen->set_size(64*8, 32*8);
	m_screen->set_visarea(0*8+4, 40*8+1, 2*8, 32*8-1);
	m_screen->set_screen_update(FUNC(diverboy_state::screen_update_diverboy));
	m_screen->set_palette(m_palette);

	PALETTE(config, m_palette).set_format(palette_device::xBGR_444, 0x400);


	SPEAKER(config, "mono").front_center();

	GENERIC_LATCH_8(config, m_soundlatch);

	OKIM6295(config, m_oki, 1320000, okim6295_device::PIN7_HIGH).add_route(ALL_OUTPUTS, "mono", 0.50); // clock frequency & pin 7 not verified
}

/*

both program roms contain the following string (at the same location)

This Game is programmed by the freelance group GAMART.
ADRESS: C\SAnt Ramon,11 08130-STA PERPETUA DE MOGODA - BARCELONA (SPAIN)
Telephone (93) 560 27 32
Fax (93) 574 18 34

*/

ROM_START( diverboy )
	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "db_01.bin", 0x00000, 0x20000, CRC(6aa11366) SHA1(714c8a4a64c18632825a734a76a2d1b031106d76) )
	ROM_LOAD16_BYTE( "db_02.bin", 0x00001, 0x20000, CRC(45f8a673) SHA1(4eea1374cafacb4a2e0b623fcb802deb5fca1b3a) )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* z80 */
	ROM_LOAD( "db_05.bin", 0x00000, 0x8000, CRC(ffeb49ec) SHA1(911b13897ff4ace3940bfff4ab88584a93796c24) ) /* this part is empty */
	ROM_CONTINUE( 0x0000, 0x8000 ) /* this part contains the code */

	ROM_REGION( 0x100000, "gfx1", 0 ) /* GFX */
	ROM_LOAD16_BYTE( "db_08.bin", 0x000000, 0x80000, CRC(7bb96220) SHA1(671b3f218106e594b13ae5f2e680cf2e2cfc5501) )
	ROM_LOAD16_BYTE( "db_09.bin", 0x000001, 0x80000, CRC(12b15476) SHA1(400a5b846f70567de137e0b95586dd9cfc27becb) )

	ROM_REGION( 0x180000, "gfx2", 0 ) /* GFX */
	ROM_LOAD16_BYTE( "db_07.bin", 0x000000, 0x20000, CRC(18485741) SHA1(a8edceaf34a98f2aa2bfada9d6e06fb82639a4e0) )
	ROM_LOAD16_BYTE( "db_10.bin", 0x000001, 0x20000, CRC(c381d1cc) SHA1(88b97d8893c500951cfe8e7e7f0b547b36bbe2c0) )
	ROM_LOAD16_BYTE( "db_06.bin", 0x040000, 0x20000, CRC(21b4e352) SHA1(a553de67e5dc751ea81ec4739724e0e46e8c5fab) )
	ROM_LOAD16_BYTE( "db_11.bin", 0x040001, 0x20000, CRC(41d29c81) SHA1(448fd5c1b16159d03436b8bd71ffe871c8daf7fa) )

	ROM_REGION( 0x100000, "oki", 0 ) /* Sound */
	ROM_LOAD( "db_03.bin", 0x00000, 0x20000, CRC(50457505) SHA1(faf1c055ec56d2ed7f5e6993cc04d3317bf1c3cc) )
	ROM_CONTINUE(          0x40000, 0x20000 )
	ROM_CONTINUE(          0x80000, 0x20000 )
	ROM_CONTINUE(          0xc0000, 0x20000 )
	ROM_LOAD( "db_04.bin", 0x20000, 0x20000, CRC(01b81da0) SHA1(914802f3206dc59a720af9d57eb2285bc8ba822b) ) /* same as tumble pop?, is this used? */
	ROM_RELOAD(            0x60000, 0x20000 )
	ROM_RELOAD(            0xa0000, 0x20000 )
	ROM_RELOAD(            0xe0000, 0x20000 )
ROM_END



GAME( 1992, diverboy, 0, diverboy, diverboy, diverboy_state, empty_init, ORIENTATION_FLIP_X, "Gamart (Electronic Devices Italy license)", "Diver Boy", MACHINE_SUPPORTS_SAVE )