summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/cham24.c
blob: 857e831a09fa96415e46c8ef4a296e3cdfc544ba (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
/*
    Chameleon 24

    driver by Mariusz Wojcieszek
    uses NES emulaton by Brad Olivier

    Notes:
    - NES hardware is probably implemented on FPGA
    - Atmel mcu probably controls coins and timer - since these are not emulated
      game is marked as 'not working'
    - 72-in-1 mapper (found on NES pirate carts) is used for bank switching
    - code at 0x0f8000 in 24-2.u2 contains English version of menu, code at 0x0fc000 contains
    other version (Asian language), is this controlled by mcu?

PCB is small and newly manufactured. There's 24 games which can be chosen
from a text menu after coin-up.
The games appear to be old NES games (i.e. very poor quality for an arcade product)
Screenshots can be found here....
http://www.coinopexpress.com/products/pcbs/pcb/Chameleon_24_2839.html

PCB Layout
----------


|------------------------------------|
|       LM380    --------            |
|                |NTA0002|           |
|                |(QFP80)|   24-1.U1 |
|                --------            |
|   2003        -----------          |
|              |LATTICE  |           |
|      DSW1    |PLSI 1016|           |
|J             |(PLCC44) |  24-2.U2  |
|A    AT89C51  -----------           |
|M                                   |
|M    SW1   21.4771MHz               |
|A                                   |
| GW6582  LS02                       |
|          |-----------| 4040        |
|  74HC245 |Phillps    | 4040        |
|          |SAA71111AH2|             |
|          |20505650   |             |
|          |bP0219     | 24-3.U3     |
| 24.576MHz|-----------|             |
|             (QFP64)                |
|------------------------------------|

Notes:
       All components are listed.
       DSW1 has 2 switches only
       SW1 is a push button switch
       U1 is 27C040 EPROM
       U2 is 27C080 EPROM
       U3 is 27C512 EPROM
*/

#include "driver.h"
#include "video/ppu2c0x.h"
#include "sound/nes_apu.h"
#include "cpu/m6502/m6502.h"

static WRITE8_HANDLER( sprite_dma_w )
{
	int source = ( data & 7 );
	ppu2c0x_spriteram_dma( 0, source );
}

static READ8_HANDLER( psg_4015_r )
{
	return NESPSG_0_r(0x15);
}

static WRITE8_HANDLER( psg_4015_w )
{
	NESPSG_0_w(0x15, data);
}

static WRITE8_HANDLER( psg_4017_w )
{
	NESPSG_0_w(0x17, data);
}

static UINT32 in_0;
static UINT32 in_1;
static UINT32 in_0_shift;
static UINT32 in_1_shift;

static READ8_HANDLER( cham24_IN0_r )
{
	return ((in_0 >> in_0_shift++) & 0x01) | 0x40;
}

static WRITE8_HANDLER( cham24_IN0_w )
{
	if ( data & 0xfe )
	{
		//logerror( "Unhandled cham24_IN0_w write: data = %02X\n", data );
	}

	if ( data & 0x01 )
	{
		return;
	}

	in_0_shift = 0;
	in_1_shift = 0;

	in_0 = readinputport(0);
	in_1 = readinputport(1);

}

static READ8_HANDLER( cham24_IN1_r )
{
	return ((in_1 >> in_1_shift++) & 0x01) | 0x40;
}

static WRITE8_HANDLER( cham24_mapper_w )
{
	UINT32 gfx_bank = offset & 0x3f;
	UINT32 prg_16k_bank_page = (offset >> 6) & 0x01;
	UINT32 prg_bank = (offset >> 7) & 0x1f;
	UINT32 prg_bank_page_size = (offset >> 12) & 0x01;
	UINT32 gfx_mirroring = (offset >> 13) & 0x01;

	UINT8* dst = memory_region( REGION_CPU1 );
	UINT8* src = memory_region( REGION_USER1 );

	// switch PPU VROM bank
	ppu2c0x_set_videorom_bank( 0, 0, 8, gfx_bank, 512 );

	// set gfx mirroring
	ppu2c0x_set_mirroring( 0, gfx_mirroring != 0 ? PPU_MIRROR_HORZ : PPU_MIRROR_VERT );

	// switch PRG bank
	if ( prg_bank_page_size == 0 )
	{
		// 32K
		memcpy( &dst[0x8000], &src[prg_bank * 0x8000], 0x8000 );
	}
	else
	{
		if ( prg_16k_bank_page == 1 )
		{
			// upper half of 32K page
			memcpy( &dst[0x8000], &src[(prg_bank * 0x8000) + 0x4000], 0x4000 );
			memcpy( &dst[0xC000], &src[(prg_bank * 0x8000) + 0x4000], 0x4000 );
		}
		else
		{
			// lower half of 32K page
			memcpy( &dst[0x8000], &src[(prg_bank * 0x8000)], 0x4000 );
			memcpy( &dst[0xC000], &src[(prg_bank * 0x8000)], 0x4000 );
		}
	}
}

static ADDRESS_MAP_START( cham24_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x07ff) AM_RAM	/* NES RAM */
	AM_RANGE(0x2000, 0x3fff) AM_READWRITE(ppu2c0x_0_r, ppu2c0x_0_w)
	AM_RANGE(0x4000, 0x4013) AM_READWRITE(NESPSG_0_r, NESPSG_0_w)			/* PSG primary registers */
	AM_RANGE(0x4014, 0x4014) AM_WRITE(sprite_dma_w)
	AM_RANGE(0x4015, 0x4015) AM_READWRITE(psg_4015_r, psg_4015_w)			/* PSG status / first control register */
	AM_RANGE(0x4016, 0x4016) AM_READWRITE(cham24_IN0_r,        cham24_IN0_w)			/* IN0 - input port 1 */
	AM_RANGE(0x4017, 0x4017) AM_READWRITE(cham24_IN1_r,        psg_4017_w)		/* IN1 - input port 2 / PSG second control register */
	AM_RANGE(0x8000, 0xffff) AM_ROM AM_WRITE(cham24_mapper_w)
ADDRESS_MAP_END

static INPUT_PORTS_START( cham24 )
	PORT_START /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)	/* Select */
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START ) PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)

	PORT_START /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2)	/* Select */
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START ) PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)

INPUT_PORTS_END

static struct NESinterface cham24_interface_1 =
{
	REGION_CPU1
};

static MACHINE_RESET( cham24 )
{
	/* switch PRG rom */
	UINT8* dst = memory_region( REGION_CPU1 );
	UINT8* src = memory_region( REGION_USER1 );

	memcpy( &dst[0x8000], &src[0x0f8000], 0x4000 );
	memcpy( &dst[0xc000], &src[0x0f8000], 0x4000 );

	/* reset the ppu */
	ppu2c0x_reset( 0, 1 );
};

static PALETTE_INIT( cham24 )
{
	ppu2c0x_init_palette(machine, 0 );
}

static void ppu_irq( int num, int *ppu_regs )
{
	cpunum_set_input_line(num, INPUT_LINE_NMI, PULSE_LINE );
}

/* our ppu interface                                            */
static const ppu2c0x_interface ppu_interface =
{
	PPU_2C04,				/* type */
	1,						/* num */
	{ REGION_GFX1 },		/* vrom gfx region */
	{ 0 },					/* gfxlayout num */
	{ 0 },					/* color base */
	{ PPU_MIRROR_NONE },	/* mirroring */
	{ ppu_irq }				/* irq */
};

static VIDEO_START( cham24 )
{
	ppu2c0x_init(machine, &ppu_interface );
}

static VIDEO_UPDATE( cham24 )
{
	/* render the ppu */
	ppu2c0x_render( 0, bitmap, 0, 0, 0, 0 );
	return 0;
}

static DRIVER_INIT( cham24 )
{
}

static GFXDECODE_START( cham24 )
	/* none, the ppu generates one */
GFXDECODE_END

static MACHINE_DRIVER_START( cham24 )
	/* basic machine hardware */
	MDRV_CPU_ADD_TAG("main", N2A03, N2A03_DEFAULTCLOCK)
	MDRV_CPU_PROGRAM_MAP(cham24_map, 0)

	MDRV_SCREEN_REFRESH_RATE(60)

	MDRV_MACHINE_RESET( cham24 )

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 262)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 30*8-1)
	MDRV_GFXDECODE(cham24)
	MDRV_PALETTE_LENGTH(8*4*16)
	MDRV_COLORTABLE_LENGTH(4*8)

	MDRV_PALETTE_INIT(cham24)
	MDRV_VIDEO_START(cham24)
	MDRV_VIDEO_UPDATE(cham24)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(NES, N2A03_DEFAULTCLOCK)
	MDRV_SOUND_CONFIG(cham24_interface_1)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)

	MDRV_SOUND_ADD(DAC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

ROM_START( cham24 )
	ROM_REGION(0x10000, REGION_CPU1, ROMREGION_ERASE00)

	ROM_REGION(0x100000, REGION_USER1, 0)
	ROM_LOAD( "24-2.u2", 0x000000, 0x100000, CRC(686e9d05) SHA1(a55b9850a4b47f1b4495710e71534ca0287b05ee) )

	ROM_REGION(0x080000, REGION_GFX1, 0)
	ROM_LOAD( "24-1.u1", 0x000000, 0x080000, CRC(43c43d58) SHA1(3171befaca28acc80fb70226748d9abde76a1b56) )

	ROM_REGION(0x10000, REGION_USER2, 0)
	ROM_LOAD( "24-3.u3", 0x0000, 0x10000, CRC(e97955fa) SHA1(6d686c5d0967c9c2f40dbd8e6a0c0907606f2c7d) ) // unknown rom
ROM_END

GAME( 2002, cham24, 0, cham24, cham24, cham24, ROT0, "bootleg", "Chameleon 24", GAME_NOT_WORKING )