📄 bombjack.c
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/***************************************************************************
Bomb Jack memory map (preliminary)
MAIN BOARD:
0000-1fff ROM 0
2000-3fff ROM 1
4000-5fff ROM 2
6000-7fff ROM 3
8000-83ff RAM 0
8400-87ff RAM 1
8800-8bff RAM 2
8c00-8fff RAM 3
9000-93ff Video RAM (RAM 4)
9400-97ff Color RAM (RAM 4)
9c00-9cff Palette RAM
c000-dfff ROM 4
memory mapped ports:
read:
b000 IN0
b001 IN1
b002 IN2
b003 watchdog reset?
b004 DSW1
b005 DSW2
write:
9820-987f sprites
9a00 ? number of small sprites for video controller
9e00 background image selector
b000 interrupt enable
b004 flip screen
b800 command to soundboard & trigger NMI on sound board
SOUND BOARD:
0x0000 0x1fff ROM
0x2000 0x43ff RAM
memory mapped ports:
read:
0x6000 command from soundboard
write :
none
IO ports:
write:
0x00 AY#1 control
0x01 AY#1 write
0x10 AY#2 control
0x11 AY#2 write
0x80 AY#3 control
0x81 AY#3 write
interrupts:
NMI triggered by the commands sent by MAIN BOARD (?)
NMI interrupts for music timing
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
void bombjack_background_w(int offset,int data);
void bombjack_flipscreen_w(int offset,int data);
void bombjack_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static int latch;
static void soundlatch_callback(int param)
{
latch = param;
}
void bombjack_soundlatch_w(int offset,int data)
{
/* make all the CPUs synchronize, and only AFTER that write the new command to the latch */
timer_set(TIME_NOW,data,soundlatch_callback);
}
int bombjack_soundlatch_r(int offset)
{
int res;
res = latch;
latch = 0;
return res;
}
unsigned char *bombjack_sh_intflag;
int bombjack_sh_intflag_r(int offset)
{
/* to speed up the emulation, detect when the program is looping waiting */
/* for an interrupt, and force it in that case */
if (cpu_getpc() == 0x0099 && (*bombjack_sh_intflag & 1) == 0)
cpu_spinuntil_int();
return *bombjack_sh_intflag;
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0x8000, 0x97ff, MRA_RAM }, /* including video and color RAM */
{ 0xb000, 0xb000, input_port_0_r }, /* player 1 input */
{ 0xb001, 0xb001, input_port_1_r }, /* player 2 input */
{ 0xb002, 0xb002, input_port_2_r }, /* coin */
{ 0xb003, 0xb003, MRA_NOP }, /* watchdog reset? */
{ 0xb004, 0xb004, input_port_3_r }, /* DSW1 */
{ 0xb005, 0xb005, input_port_4_r }, /* DSW2 */
{ 0xc000, 0xdfff, MRA_ROM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0x8000, 0x8fff, MWA_RAM },
{ 0x9000, 0x93ff, videoram_w, &videoram, &videoram_size },
{ 0x9400, 0x97ff, colorram_w, &colorram },
{ 0x9820, 0x987f, MWA_RAM, &spriteram, &spriteram_size },
{ 0x9a00, 0x9a00, MWA_NOP },
{ 0x9c00, 0x9cff, paletteram_xxxxBBBBGGGGRRRR_w, &paletteram },
{ 0x9e00, 0x9e00, bombjack_background_w },
{ 0xb000, 0xb000, interrupt_enable_w },
{ 0xb004, 0xb004, bombjack_flipscreen_w },
{ 0xb800, 0xb800, bombjack_soundlatch_w },
{ 0xc000, 0xdfff, MWA_ROM },
{ -1 } /* end of table */
};
static struct MemoryReadAddress bombjack_sound_readmem[] =
{
{ 0x4390, 0x4390, bombjack_sh_intflag_r, &bombjack_sh_intflag }, /* kludge to speed up the emulation */
{ 0x0000, 0x1fff, MRA_ROM },
{ 0x4000, 0x43ff, MRA_RAM },
{ 0x6000, 0x6000, bombjack_soundlatch_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress bombjack_sound_writemem[] =
{
{ 0x0000, 0x1fff, MWA_ROM },
{ 0x4000, 0x43ff, MWA_RAM },
{ -1 } /* end of table */
};
static struct IOWritePort bombjack_sound_writeport[] =
{
{ 0x00, 0x00, AY8910_control_port_0_w },
{ 0x01, 0x01, AY8910_write_port_0_w },
{ 0x10, 0x10, AY8910_control_port_1_w },
{ 0x11, 0x11, AY8910_write_port_1_w },
{ 0x80, 0x80, AY8910_control_port_2_w },
{ 0x81, 0x81, AY8910_write_port_2_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( input_ports )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* probably unused */
PORT_START /* IN2 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* probably unused */
PORT_START /* DSW0 */
PORT_DIPNAME( 0x03, 0x00, "Coin A", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x01, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x02, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x03, "1 Coin/6 Credits" )
PORT_DIPNAME( 0x0c, 0x00, "Coin B", IP_KEY_NONE )
PORT_DIPSETTING( 0x04, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x00, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x08, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x0c, "1 Coin/3 Credits" )
PORT_DIPNAME( 0x30, 0x00, "Lives", IP_KEY_NONE )
PORT_DIPSETTING( 0x30, "2" )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x10, "4" )
PORT_DIPSETTING( 0x20, "5" )
PORT_DIPNAME( 0x40, 0x40, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING( 0x40, "Upright" )
PORT_DIPSETTING( 0x00, "Cocktail" )
PORT_DIPNAME( 0x80, 0x80, "Demo Sounds", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Off" )
PORT_DIPSETTING( 0x80, "On" )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x07, 0x00, "Initial High Score?", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "10000" )
PORT_DIPSETTING( 0x01, "100000" )
PORT_DIPSETTING( 0x02, "30000" )
PORT_DIPSETTING( 0x03, "50000" )
PORT_DIPSETTING( 0x04, "100000" )
PORT_DIPSETTING( 0x05, "50000" )
PORT_DIPSETTING( 0x06, "100000" )
PORT_DIPSETTING( 0x07, "50000" )
PORT_DIPNAME( 0x18, 0x00, "Bird Speed", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x08, "Medium" )
PORT_DIPSETTING( 0x10, "Hard" )
PORT_DIPSETTING( 0x18, "Hardest" )
PORT_DIPNAME( 0x60, 0x00, "Enemies Number & Speed", IP_KEY_NONE )
PORT_DIPSETTING( 0x20, "Easy" )
PORT_DIPSETTING( 0x00, "Medium" )
PORT_DIPSETTING( 0x40, "Hard" )
PORT_DIPSETTING( 0x60, "Hardest" )
PORT_DIPNAME( 0x80, 0x00, "Special Coin", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x80, "Hard" )
INPUT_PORTS_END
static struct GfxLayout charlayout1 =
{
8,8, /* 8*8 characters */
512, /* 512 characters */
3, /* 3 bits per pixel */
{ 0, 512*8*8, 2*512*8*8 }, /* the bitplanes are separated */
{ 0, 1, 2, 3, 4, 5, 6, 7 }, /* pretty straightforward layout */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 consecutive bytes */
};
static struct GfxLayout charlayout2 =
{
16,16, /* 16*16 characters */
256, /* 256 characters */
3, /* 3 bits per pixel */
{ 0, 1024*8*8, 2*1024*8*8 }, /* the bitplanes are separated */
{ 0, 1, 2, 3, 4, 5, 6, 7, /* pretty straightforward layout */
8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 },
32*8 /* every character takes 32 consecutive bytes */
};
static struct GfxLayout spritelayout1 =
{
16,16, /* 16*16 sprites */
128, /* 128 sprites */
3, /* 3 bits per pixel */
{ 0, 1024*8*8, 2*1024*8*8 }, /* the bitplanes are separated */
{ 0, 1, 2, 3, 4, 5, 6, 7,
8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 },
32*8 /* every sprite takes 32 consecutive bytes */
};
static struct GfxLayout spritelayout2 =
{
32,32, /* 32*32 sprites */
32, /* 32 sprites */
3, /* 3 bits per pixel */
{ 0, 1024*8*8, 2*1024*8*8 }, /* the bitplanes are separated */
{ 0, 1, 2, 3, 4, 5, 6, 7,
8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7,
32*8+0, 32*8+1, 32*8+2, 32*8+3, 32*8+4, 32*8+5, 32*8+6, 32*8+7,
40*8+0, 40*8+1, 40*8+2, 40*8+3, 40*8+4, 40*8+5, 40*8+6, 40*8+7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8,
64*8, 65*8, 66*8, 67*8, 68*8, 69*8, 70*8, 71*8,
80*8, 81*8, 82*8, 83*8, 84*8, 85*8, 86*8, 87*8 },
128*8 /* every sprite takes 128 consecutive bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ 1, 0x0000, &charlayout1, 0, 16 }, /* characters */
{ 1, 0x3000, &charlayout2, 0, 16 }, /* background tiles */
{ 1, 0x9000, &spritelayout1, 0, 16 }, /* normal sprites */
{ 1, 0xa000, &spritelayout2, 0, 16 }, /* large sprites */
{ -1 } /* end of array */
};
static struct AY8910interface ay8910_interface =
{
3, /* 3 chips */
1500000, /* 1.5 MHz?????? */
{ 18, 18, 18 },
{ 0 },
{ 0 },
{ 0 },
{ 0 }
};
static struct MachineDriver machine_driver =
{
/* basic machine hardware */
{
{
CPU_Z80,
4000000, /* 4 Mhz */
0,
readmem,writemem,0,0,
nmi_interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3072000, /* 3.072 Mhz????? */
3, /* memory region #3 */
bombjack_sound_readmem,bombjack_sound_writemem,0,bombjack_sound_writeport,
nmi_interrupt,1
}
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* 1 CPU slice per frame - interleaving is forced when a sound command is written */
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
gfxdecodeinfo,
128, 128,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
generic_vh_start,
generic_vh_stop,
bombjack_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_AY8910,
&ay8910_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( bombjack_rom )
ROM_REGION(0x10000) /* 64k for code */
ROM_LOAD( "09_j01b.bin", 0x0000, 0x2000, 0xc668dc30 )
ROM_LOAD( "10_l01b.bin", 0x2000, 0x2000, 0x52a1e5fb )
ROM_LOAD( "11_m01b.bin", 0x4000, 0x2000, 0xb68a062a )
ROM_LOAD( "12_n01b.bin", 0x6000, 0x2000, 0x1d3ecee5 )
ROM_LOAD( "13_r01b.bin", 0xc000, 0x2000, 0xbcafdd29 )
ROM_REGION_DISPOSE(0xf000) /* temporary space for graphics (disposed after conversion) */
ROM_LOAD( "03_e08t.bin", 0x0000, 0x1000, 0x9f0470d5 ) /* chars */
ROM_LOAD( "04_h08t.bin", 0x1000, 0x1000, 0x81ec12e6 )
ROM_LOAD( "05_k08t.bin", 0x2000, 0x1000, 0xe87ec8b1 )
ROM_LOAD( "06_l08t.bin", 0x3000, 0x2000, 0x51eebd89 ) /* background tiles */
ROM_LOAD( "07_n08t.bin", 0x5000, 0x2000, 0x9dd98e9d )
ROM_LOAD( "08_r08t.bin", 0x7000, 0x2000, 0x3155ee7d )
ROM_LOAD( "16_m07b.bin", 0x9000, 0x2000, 0x94694097 ) /* sprites */
ROM_LOAD( "15_l07b.bin", 0xb000, 0x2000, 0x013f58f2 )
ROM_LOAD( "14_j07b.bin", 0xd000, 0x2000, 0x101c858d )
ROM_REGION(0x1000) /* background graphics */
ROM_LOAD( "02_p04t.bin", 0x0000, 0x1000, 0x398d4a02 )
ROM_REGION(0x10000) /* 64k for sound board */
ROM_LOAD( "01_h03t.bin", 0x0000, 0x2000, 0x8407917d )
ROM_END
static int hiload(void)
{
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
/* check if the hi score table has already been initialized */
if (memcmp(&RAM[0x8100],&RAM[0x8124],4) == 0 &&
memcmp(&RAM[0x8100],&RAM[0x80e2],4) == 0 && /* high score */
(memcmp(&RAM[0x8100],"\x00\x00\x01\x00",4) == 0 ||
memcmp(&RAM[0x8100],"\x00\x00\x03\x00",4) == 0 ||
memcmp(&RAM[0x8100],"\x00\x00\x05\x00",4) == 0 ||
memcmp(&RAM[0x8100],"\x00\x00\x10\x00",4) == 0))
{
void *f;
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
{
char buf[10];
int hi;
osd_fread(f,&RAM[0x8100],15*10);
RAM[0x80e2] = RAM[0x8100];
RAM[0x80e3] = RAM[0x8101];
RAM[0x80e4] = RAM[0x8102];
RAM[0x80e5] = RAM[0x8103];
/* also copy the high score to the screen, otherwise it won't be */
/* updated until a new game is started */
hi = (RAM[0x8100] & 0x0f) +
(RAM[0x8100] >> 4) * 10 +
(RAM[0x8101] & 0x0f) * 100 +
(RAM[0x8101] >> 4) * 1000 +
(RAM[0x8102] & 0x0f) * 10000 +
(RAM[0x8102] >> 4) * 100000 +
(RAM[0x8103] & 0x0f) * 1000000 +
(RAM[0x8103] >> 4) * 10000000;
sprintf(buf,"%8d",hi);
videoram_w(0x013f,buf[0]);
videoram_w(0x011f,buf[1]);
videoram_w(0x00ff,buf[2]);
videoram_w(0x00df,buf[3]);
videoram_w(0x00bf,buf[4]);
videoram_w(0x009f,buf[5]);
videoram_w(0x007f,buf[6]);
videoram_w(0x005f,buf[7]);
osd_fclose(f);
}
return 1;
}
else return 0; /* we can't load the hi scores yet */
}
static void hisave(void)
{
void *f;
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
{
osd_fwrite(f,&RAM[0x8100],15*10);
osd_fclose(f);
}
}
struct GameDriver bombjack_driver =
{
__FILE__,
0,
"bombjack",
"Bomb Jack",
"1984",
"Tehkan",
"Brad Thomas (hardware info)\nJakob Frendsen (hardware info)\nConny Melin (hardware info)\nMirko Buffoni (MAME driver)\nNicola Salmoria (MAME driver)\nJarek Burczynski (sound)\nMarco Cassili",
0,
&machine_driver,
0,
bombjack_rom,
0, 0,
0,
0, /* sound_prom */
input_ports,
0, 0, 0,
ORIENTATION_ROTATE_90,
hiload, hisave
};
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