1 #include "driver.h"
2 #include "vidhrdw/generic.h"
3
4 extern WRITE_HANDLER( pingpong_videoram_w );
5 extern WRITE_HANDLER( pingpong_colorram_w );
6
7 extern PALETTE_INIT( pingpong );
8 extern VIDEO_START( pingpong );
9 extern VIDEO_UPDATE( pingpong );
10
11 static int intenable;
12
WRITE_HANDLER(coin_w)13 static WRITE_HANDLER( coin_w )
14 {
15 /* bit 2 = irq enable, bit 3 = nmi enable */
16 intenable = data & 0x0c;
17
18 /* bit 0/1 = coin counters */
19 coin_counter_w(0,data & 1);
20 coin_counter_w(1,data & 2);
21
22 /* other bits unknown */
23 }
24
INTERRUPT_GEN(pingpong_interrupt)25 static INTERRUPT_GEN( pingpong_interrupt )
26 {
27 if (cpu_getiloops() == 0)
28 {
29 if (intenable & 0x04) cpu_set_irq_line(0, 0, HOLD_LINE);
30 }
31 else if (cpu_getiloops() % 2)
32 {
33 if (intenable & 0x08) cpu_set_irq_line(0, IRQ_LINE_NMI, PULSE_LINE);
34 }
35 }
36
37
38
MEMORY_READ_START(readmem)39 static MEMORY_READ_START( readmem )
40 { 0x0000, 0x7fff, MRA_ROM },
41 { 0x8000, 0x87ff, MRA_RAM },
42 { 0x9000, 0x97ff, MRA_RAM },
43 { 0xa800, 0xa800, input_port_0_r },
44 { 0xa880, 0xa880, input_port_1_r },
45 { 0xa900, 0xa900, input_port_2_r },
46 { 0xa980, 0xa980, input_port_3_r },
47 MEMORY_END
48
49 static MEMORY_WRITE_START( writemem )
50 { 0x0000, 0x7fff, MWA_ROM },
51 { 0x8000, 0x83ff, pingpong_colorram_w, &colorram },
52 { 0x8400, 0x87ff, pingpong_videoram_w, &videoram },
53 { 0x9000, 0x9002, MWA_RAM },
54 { 0x9003, 0x9052, MWA_RAM, &spriteram, &spriteram_size },
55 { 0x9053, 0x97ff, MWA_RAM },
56 { 0xa000, 0xa000, coin_w }, /* coin counters + irq enables */
57 { 0xa200, 0xa200, MWA_NOP }, /* SN76496 data latch */
58 { 0xa400, 0xa400, SN76496_0_w }, /* trigger read */
59 { 0xa600, 0xa600, watchdog_reset_w },
60 MEMORY_END
61
62
63
64 INPUT_PORTS_START( pingpong )
65 PORT_START /* IN0 */
66 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
67 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
68 PORT_SERVICE( 0x04, IP_ACTIVE_LOW )
69 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
70 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
71 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 )
72 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
73 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
74
75 PORT_START /* IN1 */
76 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
77 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_PLAYER2 )
78 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT| IPF_2WAY | IPF_PLAYER2 )
79 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
80 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
81 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
82 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
83 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 )
84
85 PORT_START /* DSW1 */
86 PORT_DIPNAME( 0x0F, 0x0F, DEF_STR( Coin_B ) )
87 PORT_DIPSETTING( 0x04, DEF_STR( 4C_1C ) )
88 PORT_DIPSETTING( 0x0A, DEF_STR( 3C_1C ) )
89 PORT_DIPSETTING( 0x01, DEF_STR( 2C_1C ) )
90 PORT_DIPSETTING( 0x02, DEF_STR( 3C_2C ) )
91 PORT_DIPSETTING( 0x08, DEF_STR( 4C_3C ) )
92 PORT_DIPSETTING( 0x0F, DEF_STR( 1C_1C ) )
93 PORT_DIPSETTING( 0x0C, DEF_STR( 3C_4C ) )
94 PORT_DIPSETTING( 0x0E, DEF_STR( 2C_3C ) )
95 PORT_DIPSETTING( 0x07, DEF_STR( 1C_2C ) )
96 PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
97 PORT_DIPSETTING( 0x0B, DEF_STR( 1C_3C ) )
98 PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
99 PORT_DIPSETTING( 0x0D, DEF_STR( 1C_5C ) )
100 PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
101 PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
102 PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
103 PORT_DIPNAME( 0xF0, 0xF0, DEF_STR( Coin_A ) )
104 PORT_DIPSETTING( 0x40, DEF_STR( 4C_1C ) )
105 PORT_DIPSETTING( 0xA0, DEF_STR( 3C_1C ) )
106 PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
107 PORT_DIPSETTING( 0x20, DEF_STR( 3C_2C ) )
108 PORT_DIPSETTING( 0x80, DEF_STR( 4C_3C ) )
109 PORT_DIPSETTING( 0xF0, DEF_STR( 1C_1C ) )
110 PORT_DIPSETTING( 0xC0, DEF_STR( 3C_4C ) )
111 PORT_DIPSETTING( 0xE0, DEF_STR( 2C_3C ) )
112 PORT_DIPSETTING( 0x70, DEF_STR( 1C_2C ) )
113 PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
114 PORT_DIPSETTING( 0xB0, DEF_STR( 1C_3C ) )
115 PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) )
116 PORT_DIPSETTING( 0xD0, DEF_STR( 1C_5C ) )
117 PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) )
118 PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
119 PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
120
121 PORT_START /* DSW2 */
122 PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) )
123 PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
124 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
125 PORT_DIPNAME( 0x06, 0x06, DEF_STR( Difficulty ) )
126 PORT_DIPSETTING( 0x06, "Easy" )
127 PORT_DIPSETTING( 0x02, "Normal" )
128 PORT_DIPSETTING( 0x04, "Difficult" )
129 PORT_DIPSETTING( 0x00, "Very Difficult" )
130 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
131 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
132 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
133 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
134 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
135 INPUT_PORTS_END
136
137
138
139 static struct GfxLayout charlayout =
140 {
141 8,8, /* 8*8 characters */
142 512, /* 512 characters */
143 2, /* 2 bits per pixel */
144 { 4, 0 }, /* the bitplanes are packed in one nibble */
145 { 3, 2, 1, 0, 8*8+3, 8*8+2, 8*8+1, 8*8+0 }, /* x bit */
146 { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, /* y bit */
147 16*8 /* every char takes 16 consecutive bytes */
148 };
149
150 static struct GfxLayout spritelayout =
151 {
152 16,16, /* 16*16 sprites */
153 128, /* 128 sprites */
154 2, /* 2 bits per pixel */
155 { 4, 0 }, /* the bitplanes are packed in one nibble */
156 { 12*16+3,12*16+2,12*16+1,12*16+0,
157 8*16+3, 8*16+2, 8*16+1, 8*16+0,
158 4*16+3, 4*16+2, 4*16+1, 4*16+0,
159 3, 2, 1, 0 }, /* x bit */
160 { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
161 32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 }, /* y bit */
162 64*8 /* every char takes 64 consecutive bytes */
163 };
164
165 static struct GfxDecodeInfo gfxdecodeinfo[] =
166 {
167 { REGION_GFX1, 0, &charlayout, 0, 64 },
168 { REGION_GFX2, 0, &spritelayout, 64*4, 64 },
169 { -1 } /* end of array */
170 };
171
172
173
174 static struct SN76496interface sn76496_interface =
175 {
176 1, /* 1 chip */
177 { 18432000/8 }, /* 2.304 MHz */
178 { 100 }
179 };
180
181
182 static MACHINE_DRIVER_START( pingpong )
183
184 /* basic machine hardware */
185 MDRV_CPU_ADD(Z80,18432000/6) /* 3.072 MHz (probably) */
186 MDRV_CPU_MEMORY(readmem,writemem)
187 MDRV_CPU_VBLANK_INT(pingpong_interrupt,16) /* 1 IRQ + 8 NMI */
188
189 MDRV_FRAMES_PER_SECOND(60)
190 MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)
191
192 /* video hardware */
193 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
194 MDRV_SCREEN_SIZE(32*8, 32*8)
195 MDRV_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
196 MDRV_GFXDECODE(gfxdecodeinfo)
197 MDRV_PALETTE_LENGTH(32)
198 MDRV_COLORTABLE_LENGTH(64*4+64*4)
199
200 MDRV_PALETTE_INIT(pingpong)
201 MDRV_VIDEO_START(pingpong)
202 MDRV_VIDEO_UPDATE(pingpong)
203
204 /* sound hardware */
205 MDRV_SOUND_ADD(SN76496, sn76496_interface)
206 MACHINE_DRIVER_END
207
208
209
210 /***************************************************************************
211
212 Game driver(s)
213
214 ***************************************************************************/
215
216 ROM_START( pingpong )
217 ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for code */
218 ROM_LOAD( "pp_e04.rom", 0x0000, 0x4000, CRC(18552f8f) SHA1(cb03659b5e8a68003e72182a20979384d829280f) )
219 ROM_LOAD( "pp_e03.rom", 0x4000, 0x4000, CRC(ae5f01e8) SHA1(f0d6a2c64822f2662fed3f601e279db18246f894) )
220
221 ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE )
222 ROM_LOAD( "pp_e01.rom", 0x0000, 0x2000, CRC(d1d6f090) SHA1(7b7d7cb90bed746dda871227463145263e4b0c5a) )
223
224 ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
225 ROM_LOAD( "pp_e02.rom", 0x0000, 0x2000, CRC(33c687e0) SHA1(7c90de4d163d2ffad00c8cb6a194fa6125a4f4c1) )
226
227 ROM_REGION( 0x0220, REGION_PROMS, 0 )
228 ROM_LOAD( "pingpong.3j", 0x0000, 0x0020, CRC(3e04f06e) SHA1(a642c350f148e062d56eb2a2fc53c470603000e3) ) /* palette (this might be bad) */
229 ROM_LOAD( "pingpong.11j", 0x0020, 0x0100, CRC(09d96b08) SHA1(81405e33eacc47f91ea4c7221d122f7e6f5b1e5d) ) /* sprites */
230 ROM_LOAD( "pingpong.5h", 0x0120, 0x0100, CRC(8456046a) SHA1(8226f1325c14eb8aed5cd3c3d6bad9f9fd88c5fa) ) /* characters */
231 ROM_END
232
233
234
235 GAME( 1985, pingpong, 0, pingpong, pingpong, 0, ROT0, "Konami", "Ping Pong" )
236