summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/ace.c
blob: d28019048c321af05c46795255ccd6c60083d511 (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
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
/****************************************************************************

Ace by Allied Leisure

Driver by Jarek Burczynski
2002.09.19



Allied Leisure 1976
"MAJOR MFG. INC. SUNNYVALE, CA" in PCB etch

18MHz
                                                          5MHz

8080


2101
2101


A5               3106          3106         3106
A4
A3                                                      3622.K4
A2                                   2101
A1                   2101            2101

                                                         [ RANGE ] [ TIME ]
                                                        (two 0-9 thumbwheel switches)


5x2101 - SRAM 256x4
3x3106 - SRAM 256x1
1x3622 - ROM 512x4


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

#include "emu.h"
#include "cpu/i8085/i8085.h"

#define MASTER_CLOCK XTAL_18MHz


typedef struct _ace_state ace_state;
struct _ace_state
{
	/* video-related */
	UINT8 *  ram2;
	UINT8 *  scoreram;
	UINT8 *  characterram;

	/* input-related */
	int objpos[8];
};


static WRITE8_HANDLER( ace_objpos_w )
{
	ace_state *state = (ace_state *)space->machine->driver_data;
	state->objpos[offset] = data;
}

#if 0
static READ8_HANDLER( ace_objpos_r )
{
	ace_state *state = (ace_state *)space->machine->driver_data;
	return state->objpos[offset];
}
#endif

static VIDEO_START( ace )
{
	ace_state *state = (ace_state *)machine->driver_data;
	gfx_element_set_source(machine->gfx[1], state->characterram);
	gfx_element_set_source(machine->gfx[2], state->characterram);
	gfx_element_set_source(machine->gfx[3], state->characterram);
	gfx_element_set_source(machine->gfx[4], state->scoreram);
}

static VIDEO_UPDATE( ace )
{
	ace_state *state = (ace_state *)screen->machine->driver_data;
	int offs;

	/* first of all, fill the screen with the background color */
	bitmap_fill(bitmap, cliprect, 0);

	drawgfx_opaque(bitmap, cliprect, screen->machine->gfx[1],
			0,
			0,
			0, 0,
			state->objpos[0], state->objpos[1]);

	drawgfx_opaque(bitmap, cliprect, screen->machine->gfx[2],
			0,
			0,
			0, 0,
			state->objpos[2], state->objpos[3]);

	drawgfx_opaque(bitmap, cliprect, screen->machine->gfx[3],
			0,
			0,
			0, 0,
			state->objpos[4], state->objpos[5]);

	for (offs = 0; offs < 8; offs++)
	{
		drawgfx_opaque(bitmap,/* ?? */
				cliprect, screen->machine->gfx[4],
				offs,
				0,
				0, 0,
				10 * 8 + offs * 16, 256 - 16);
	}
	return 0;
}


static PALETTE_INIT( ace )
{
	palette_set_color(machine, 0, MAKE_RGB(0x10,0x20,0xd0)); /* light bluish */
	palette_set_color(machine, 1, MAKE_RGB(0xff,0xff,0xff)); /* white */
}


static WRITE8_HANDLER( ace_characterram_w )
{
	ace_state *state = (ace_state *)space->machine->driver_data;
	if (state->characterram[offset] != data)
	{
		if (data & ~0x07)
		{
			logerror("write to %04x data = %02x\n", 0x8000 + offset, data);
			popmessage("write to %04x data = %02x\n", 0x8000 + offset, data);
		}
		state->characterram[offset] = data;
		gfx_element_mark_dirty(space->machine->gfx[1], 0);
		gfx_element_mark_dirty(space->machine->gfx[2], 0);
		gfx_element_mark_dirty(space->machine->gfx[3], 0);
	}
}

static WRITE8_HANDLER( ace_scoreram_w )
{
	ace_state *state = (ace_state *)space->machine->driver_data;
	state->scoreram[offset] = data;
	gfx_element_mark_dirty(space->machine->gfx[4], offset / 32);
}

static READ8_HANDLER( unk_r )
{
	return mame_rand(space->machine) & 0xff;
}


/* 5x2101 - SRAM 256x4 */
/* 3x3106 - SRAM 256x1 */
/* 1x3622 - ROM 512x4  - doesn't seem to be used ????????????*/

static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )

	AM_RANGE(0x0000, 0x09ff) AM_ROM

	AM_RANGE(0x2000, 0x20ff) AM_RAM_WRITE(ace_scoreram_w) AM_BASE_MEMBER(ace_state, scoreram)	/* 2x2101 */
	AM_RANGE(0x8300, 0x83ff) AM_RAM AM_BASE_MEMBER(ace_state, ram2)	/* 2x2101 */
	AM_RANGE(0x8000, 0x80ff) AM_RAM_WRITE(ace_characterram_w) AM_BASE_MEMBER(ace_state, characterram)	/* 3x3101 (3bits: 0, 1, 2) */

	AM_RANGE(0xc000, 0xc005) AM_WRITE(ace_objpos_w)

	/* players inputs */
	AM_RANGE(0xc008, 0xc008) AM_READ_PORT("c008")
	AM_RANGE(0xc009, 0xc009) AM_READ_PORT("c009")
	AM_RANGE(0xc00a, 0xc00a) AM_READ_PORT("c00a")
	AM_RANGE(0xc00b, 0xc00b) AM_READ_PORT("c00b")
	AM_RANGE(0xc00c, 0xc00c) AM_READ_PORT("c00c")
	AM_RANGE(0xc00d, 0xc00d) AM_READ_PORT("c00d")
	AM_RANGE(0xc00e, 0xc00e) AM_READ_PORT("c00e")
	AM_RANGE(0xc00f, 0xc00f) AM_READ_PORT("c00f")
	AM_RANGE(0xc010, 0xc010) AM_READ_PORT("c010")
	AM_RANGE(0xc011, 0xc011) AM_READ_PORT("c011")

	AM_RANGE(0xc012, 0xc012) AM_READ(unk_r)

	/* vblank */
	AM_RANGE(0xc014, 0xc014) AM_READ_PORT("c014")

	/* coin */
	AM_RANGE(0xc015, 0xc015) AM_READ_PORT("c015")

	/* start (must read 1 at least once to make the game run) */
	AM_RANGE(0xc016, 0xc016) AM_READ_PORT("c016")

	AM_RANGE(0xc017, 0xc017) AM_READ(unk_r)
	AM_RANGE(0xc018, 0xc018) AM_READ(unk_r)
	AM_RANGE(0xc019, 0xc019) AM_READ(unk_r)

	AM_RANGE(0xc020, 0xc020) AM_READ(unk_r)
	AM_RANGE(0xc021, 0xc021) AM_READ(unk_r)
	AM_RANGE(0xc022, 0xc022) AM_READ(unk_r)
	AM_RANGE(0xc023, 0xc023) AM_READ(unk_r)
	AM_RANGE(0xc024, 0xc024) AM_READ(unk_r)
	AM_RANGE(0xc025, 0xc025) AM_READ(unk_r)
	AM_RANGE(0xc026, 0xc026) AM_READ(unk_r)

ADDRESS_MAP_END


static INPUT_PORTS_START( ace )
	PORT_START("c008")	/* player thrust */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_NAME("P1 Thrust")

	PORT_START("c009")	/* player slowdown */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("P1 Slowdown")

	PORT_START("c00a")	/* player left */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)

	PORT_START("c00b")	/* player right */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)

	PORT_START("c00c")	/* player fire */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Fire")

	PORT_START("c00d")	/* enemy thrust */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_NAME("P2 Thrust")

	PORT_START("c00e")	/* enemy slowdown */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_NAME("P2 Slowdown")

	PORT_START("c00f")	/* enemy left  */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)

	PORT_START("c010")	/* enemy right */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)

	PORT_START("c011")	/* enemy fire */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Fire")

	//c012

	PORT_START("c014")	/* VBLANK??? */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START("c015")	/* coin input */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )

	PORT_START("c016")	/* game start */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START1 )
INPUT_PORTS_END


static const gfx_layout charlayout =
{
	16,16,	/* 16*16 chars */
	8,	/* 8 characters */
	1,		/* 1 bit per pixel */
	{ 4 },	/* character rom is 512x4 bits (3622 type)*/
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3, 16+0, 16+1, 16+2, 16+3, 24+0, 24+1, 24+2, 24+3 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32, 8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32 },
	64*8	/* every char takes 64 consecutive bytes */
};

static const gfx_layout charlayout0 =
{
	16,16,	/* 16*16 chars */
	1,	/* 1 characters */
	1,		/* 1 bit per pixel */
	{ 7 },	/* bit 0 in character ram */
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
	{ 0*128, 1*128, 2*128, 3*128, 4*128, 5*128, 6*128, 7*128, 8*128, 9*128, 10*128, 11*128, 12*128, 13*128, 14*128, 15*128 },
	256*8	/* every char takes 256 consecutive bytes */
};

static const gfx_layout charlayout1 =
{
	16,16,	/* 16*16 chars */
	1,	/* 1 characters */
	1,		/* 1 bit per pixel */
	{ 6 },	/* bit 1 in character ram */
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
	{ 0*128, 1*128, 2*128, 3*128, 4*128, 5*128, 6*128, 7*128, 8*128, 9*128, 10*128, 11*128, 12*128, 13*128, 14*128, 15*128 },
	256*8	/* every char takes 256 consecutive bytes */
};

static const gfx_layout charlayout2 =
{
	16,16,	/* 16*16 chars */
	1,	/* 1 characters */
	1,		/* 1 bit per pixel */
	{ 5 },	/* bit 2 in character ram */
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
	{ 0*128, 1*128, 2*128, 3*128, 4*128, 5*128, 6*128, 7*128, 8*128, 9*128, 10*128, 11*128, 12*128, 13*128, 14*128, 15*128 },
	256*8	/* every char takes 256 consecutive bytes */
};

static const gfx_layout scorelayout =
{
	16,16,	/* 16*16 chars */
	8,	/* 8 characters */
	1,		/* 1 bit per pixel */
	{ 0 },	/*  */
	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 },
	32*8	/* every char takes 32 consecutive bytes */
};

static GFXDECODE_START( ace )
	GFXDECODE_ENTRY( "gfx1", 0     , charlayout,  0, 2 )
	GFXDECODE_ENTRY( NULL          , 0x8000, charlayout0, 0, 2 )    /* the game dynamically modifies this */
	GFXDECODE_ENTRY( NULL          , 0x8000, charlayout1, 0, 2 )    /* the game dynamically modifies this */
	GFXDECODE_ENTRY( NULL          , 0x8000, charlayout2, 0, 2 )    /* the game dynamically modifies this */
	GFXDECODE_ENTRY( NULL          , 0x8000, scorelayout, 0, 2 )    /* the game dynamically modifies this */
GFXDECODE_END

static MACHINE_START( ace )
{
	ace_state *state = (ace_state *)machine->driver_data;
	state_save_register_global_array(machine, state->objpos);
}

static MACHINE_RESET( ace )
{
	ace_state *state = (ace_state *)machine->driver_data;
	int i;

	for (i = 0; i < 8; i++)
		state->objpos[i] = 0;
}

static MACHINE_DRIVER_START( ace )

	/* driver data */
	MDRV_DRIVER_DATA(ace_state)

	/* basic machine hardware */
	MDRV_CPU_ADD("maincpu", 8080, MASTER_CLOCK/9)	/* 2 MHz ? */
	MDRV_CPU_PROGRAM_MAP(main_map)

	MDRV_MACHINE_START(ace)
	MDRV_MACHINE_RESET(ace)

	/* video hardware */
	MDRV_SCREEN_ADD("screen", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(4*8, 32*8-1, 2*8, 32*8-1)
	MDRV_GFXDECODE(ace)
	MDRV_PALETTE_LENGTH(2)

	MDRV_PALETTE_INIT(ace)
	MDRV_VIDEO_START(ace)
	MDRV_VIDEO_UPDATE(ace)

	/* sound hardware */
	/* ???? */

MACHINE_DRIVER_END

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

  Game driver(s)

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

ROM_START( ace )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "ace.a1",		0x0000, 0x0200, CRC(16811834) SHA1(5502812dd161908eea3fa8851d7e5c1e22b0f8ff) )
	ROM_LOAD( "ace.a2",		0x0200, 0x0200, CRC(f9eae80e) SHA1(8865b86c7b5d57c76312c16f8a614bf35ffaf532) )
	ROM_LOAD( "ace.a3",		0x0400, 0x0200, CRC(c5c63b8c) SHA1(2079dd12ff0c4aafec19aeb9baa70fc9b6788356) )
	ROM_LOAD( "ace.a4",		0x0600, 0x0200, CRC(ea4503aa) SHA1(fea610124b9f7ea18d29b4e4599253ba1ee067e1) )
	ROM_LOAD( "ace.a5",		0x0800, 0x0200, CRC(623c58e7) SHA1(a92418bc323a1ae76eae8e094e4d6ebd1e8da14e) )

	/* not used - I couldn't guess when this should be displayed */
	ROM_REGION( 0x0200, "gfx1", 0 )
	ROM_LOAD( "ace.k4",		0x0000, 0x0200, CRC(daa05ec6) SHA1(8b71ffb802293dc93f6b492ff128a704e676a5fd) )

ROM_END

GAME( 1976, ace, 0, ace, ace, 0, ROT0, "Allied Leisure", "Ace", GAME_SUPPORTS_SAVE | GAME_NO_SOUND | GAME_IMPERFECT_COLORS )