summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/cball.cpp
blob: 38d9d82e31c02d16d682123e8358373fca066c2a (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
// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
/***************************************************************************

    Atari Cannonball (prototype) driver

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

#include "emu.h"
#include "cpu/m6800/m6800.h"
#include "emupal.h"
#include "screen.h"
#include "tilemap.h"


class cball_state : public driver_device
{
public:
	enum
	{
		TIMER_INTERRUPT
	};

	cball_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_gfxdecode(*this, "gfxdecode"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette"),
		m_video_ram(*this, "video_ram")
	{ }

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;

	/* memory pointers */
	required_shared_ptr<uint8_t> m_video_ram;

	/* video-related */
	tilemap_t* m_bg_tilemap;

	emu_timer *m_int_timer;
	TIMER_CALLBACK_MEMBER(interrupt_callback);

	DECLARE_WRITE8_MEMBER(vram_w);
	DECLARE_READ8_MEMBER(wram_r);
	DECLARE_WRITE8_MEMBER(wram_w);

	TILE_GET_INFO_MEMBER(get_tile_info);

	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	void cball_palette(palette_device &palette) const;

	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	void cball(machine_config &config);
	void cpu_map(address_map &map);
protected:
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};


TILE_GET_INFO_MEMBER(cball_state::get_tile_info)
{
	uint8_t code = m_video_ram[tile_index];

	SET_TILE_INFO_MEMBER(0, code, code >> 7, 0);
}


WRITE8_MEMBER(cball_state::vram_w)
{
	m_video_ram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}


void cball_state::video_start()
{
	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(cball_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
}


uint32_t cball_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	/* draw playfield */
	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);

	/* draw sprite */
	m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
		m_video_ram[0x399] >> 4,
		0,
		0, 0,
		240 - m_video_ram[0x390],
		240 - m_video_ram[0x398], 0);
	return 0;
}


void cball_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
	switch (id)
	{
	case TIMER_INTERRUPT:
		interrupt_callback(ptr, param);
		break;
	default:
		throw emu_fatalerror("Unknown id in cball_state::device_timer");
	}
}


TIMER_CALLBACK_MEMBER(cball_state::interrupt_callback)
{
	int scanline = param;

	m_maincpu->pulse_input_line(0, m_maincpu->minimum_quantum_time());

	scanline = scanline + 32;

	if (scanline >= 262)
		scanline = 16;

	m_int_timer->adjust(m_screen->time_until_pos(scanline), scanline);
}


void cball_state::machine_start()
{
	m_int_timer = timer_alloc(TIMER_INTERRUPT);
}

void cball_state::machine_reset()
{
	m_int_timer->adjust(m_screen->time_until_pos(16), 16);
}


void cball_state::cball_palette(palette_device &palette) const
{
	palette.set_pen_color(0, rgb_t(0x80, 0x80, 0x80));
	palette.set_pen_color(1, rgb_t(0x00, 0x00, 0x00));
	palette.set_pen_color(2, rgb_t(0x80, 0x80, 0x80));
	palette.set_pen_color(3, rgb_t(0xff, 0xff, 0xff));
	palette.set_pen_color(4, rgb_t(0x80, 0x80, 0x80));
	palette.set_pen_color(5, rgb_t(0xc0, 0xc0, 0xc0));
}


READ8_MEMBER(cball_state::wram_r)
{
	return m_video_ram[0x380 + offset];
}


WRITE8_MEMBER(cball_state::wram_w)
{
	m_video_ram[0x380 + offset] = data;
}



void cball_state::cpu_map(address_map &map)
{
	map.global_mask(0x7fff);

	map(0x0000, 0x03ff).r(FUNC(cball_state::wram_r)).mask(0x7f);
	map(0x1001, 0x1001).portr("1001");
	map(0x1003, 0x1003).portr("1003");
	map(0x1020, 0x1020).portr("1020");
	map(0x1040, 0x1040).portr("1040");
	map(0x1060, 0x1060).portr("1060");
	map(0x2000, 0x2001).noprw();
	map(0x2800, 0x2800).portr("2800");

	map(0x0000, 0x03ff).w(FUNC(cball_state::wram_w)).mask(0x7f);
	map(0x0400, 0x07ff).ram().w(FUNC(cball_state::vram_w)).share("video_ram");
	map(0x1800, 0x1800).noprw(); /* watchdog? */
	map(0x1810, 0x1811).noprw();
	map(0x1820, 0x1821).noprw();
	map(0x1830, 0x1831).noprw();
	map(0x1840, 0x1841).noprw();
	map(0x1850, 0x1851).noprw();
	map(0x1870, 0x1871).noprw();

	map(0x7000, 0x7fff).rom();
}


static INPUT_PORTS_START( cball )
	PORT_START("1001")
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, "2 Coins each" )
	PORT_DIPSETTING(    0xc0, "1 Coin each" )
	PORT_DIPSETTING(    0x80, "1 Coin 1 Game" )
	PORT_DIPSETTING(    0x40, "1 Coin 2 Games" )

	PORT_START("1003")
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0xc0, "3" )
	PORT_DIPSETTING(    0x80, "5" )
	PORT_DIPSETTING(    0x40, "7" )
	PORT_DIPSETTING(    0x00, "9" )

	PORT_START("1020")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START("1040")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START("1060")
	PORT_SERVICE( 0x80, IP_ACTIVE_LOW )

	PORT_START("2800")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 )
INPUT_PORTS_END


static const gfx_layout tile_layout =
{
	8, 8,
	64,
	1,
	{ 0 },
	{
		0, 1, 2, 3, 4, 5, 6, 7
	},
	{
		0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38
	},
	0x40
};


static const gfx_layout sprite_layout =
{
	16, 16,
	16,
	1,
	{ 0 },
	{
		0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0,
		0xf, 0xe, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8
	},
	{
		0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
		0x80, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0
	},
	0x100
};


static GFXDECODE_START( gfx_cball )
	GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0, 2 )
	GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 4, 1 )
GFXDECODE_END


void cball_state::cball(machine_config &config)
{
	/* basic machine hardware */
	M6800(config, m_maincpu, XTAL(12'096'000) / 16); /* ? */
	m_maincpu->set_addrmap(AS_PROGRAM, &cball_state::cpu_map);


	/* video hardware */
	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
	m_screen->set_refresh_hz(60);
	m_screen->set_size(256, 262);
	m_screen->set_visarea(0, 255, 0, 223);
	m_screen->set_screen_update(FUNC(cball_state::screen_update));
	m_screen->set_palette(m_palette);

	GFXDECODE(config, m_gfxdecode, m_palette, gfx_cball);

	PALETTE(config, m_palette, FUNC(cball_state::cball_palette), 6);

	/* sound hardware */
}


ROM_START( cball )
	ROM_REGION( 0x8000, "maincpu", 0 )
	ROM_LOAD_NIB_LOW ( "canball.1e", 0x7400, 0x0400, CRC(0b34823b) SHA1(0db6b9f78f7c07ee7d35f2bf048ba61fe43b1e26) )
	ROM_LOAD_NIB_HIGH( "canball.1l", 0x7400, 0x0400, CRC(b43ca275) SHA1(a03e03f6366877cfdcec71030a5fb2c5171c8d8a) )
	ROM_LOAD_NIB_LOW ( "canball.1f", 0x7800, 0x0400, CRC(29b4e1f7) SHA1(8cef944b6e0153c304aa2d4cfdc530b8a4eef021) )
	ROM_LOAD_NIB_HIGH( "canball.1k", 0x7800, 0x0400, CRC(a4d1cf12) SHA1(99de6470efd16e57d72019e065f55bc740f3c7fc) )
	ROM_LOAD_NIB_LOW ( "canball.1h", 0x7c00, 0x0400, CRC(13f55937) SHA1(7514c27e60944c4e00992c8ecbc5115f8ff948bb) )
	ROM_LOAD_NIB_HIGH( "canball.1j", 0x7c00, 0x0400, CRC(5b905d69) SHA1(2408dd6e44c51c0c9bdb82d2d33826c03f8308c4) )

	ROM_REGION( 0x0200, "gfx1", 0 ) /* tiles */
	ROM_LOAD_NIB_LOW ( "canball.6m", 0x0000, 0x0200, BAD_DUMP CRC(b2aa7578) SHA1(5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5) ) // missing rom, zerofilled
	ROM_LOAD_NIB_HIGH( "canball.6l", 0x0000, 0x0200, CRC(5b1c9e88) SHA1(6e9630db9907170c53942a21302bcf8b721590a3) )

	ROM_REGION( 0x0200, "gfx2", 0 ) /* sprites */
	ROM_LOAD_NIB_LOW ( "canball.5l", 0x0000, 0x0200, CRC(3d0d1569) SHA1(1dfcf5cf9468d476c4b7d76a261c6fec87a99f93) )
	ROM_LOAD_NIB_HIGH( "canball.5k", 0x0000, 0x0200, CRC(c5fdd3c8) SHA1(5aae148439683ff1cf0005a810c81fdcbed525c3) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "canball.6h", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync */
ROM_END


GAME( 1976, cball, 0, cball, cball, cball_state, empty_init, ROT0, "Atari", "Cannonball (Atari, prototype)", MACHINE_NO_SOUND | MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )