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speedbal.c
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C/C++ Source or Header
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2000-05-04
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11KB
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361 lines
/***************************************************************************
Speed Ball map
driver by Joseba Epalza
Z80 MAIN CPU
0000-7fff ROM 1 32k
8000-dbff ROM 2 data
dc00-dfff for both CPU&SOUND (Shared)
e000-e1ff Video RAM background tiles 16*16 (2 bytes: 1 for tile char + 1 for color)
e800-efff Video RAM characters 32*32 (2 bytes: 1 for char and 1 for color)
f000-feff RAM
ff00-ffff Sprites (64 total: four bytes to one)
in:
00 DSW ONE
10 DSW TWO
20 IN1 JOY 1 STATUS & COIN & START
30 IN2 JOY 2 STATUS & TILT
out:
40 ????
50 ???? maybe VSYNC ????
======================================================================
Z80 SOUND
0000-7fff ROM
dc00-dfff shared with MAIN CPU
f000-dfff RAM
out:
00 YM3812 control
01 YM3812 data
20 ??
======================================================================
Colors : 2 bits for foreground characters = 4 colors * 16 palettes
4 bits for background tiles = 16 colors * 16 palettes
4 bits for sprites = 16 colors * 16 palettes
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
unsigned char *speedbal_foreground_videoram;
unsigned char *speedbal_background_videoram;
unsigned char *speedbal_sprites_dataram;
size_t speedbal_foreground_videoram_size;
size_t speedbal_background_videoram_size;
size_t speedbal_sprites_dataram_size;
int speedbal_vh_start(void);
void speedbal_vh_stop(void);
void speedbal_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
READ_HANDLER( speedbal_foreground_videoram_r );
WRITE_HANDLER( speedbal_foreground_videoram_w );
READ_HANDLER( speedbal_background_videoram_r );
WRITE_HANDLER( speedbal_background_videoram_w );
unsigned char *speedbal_sharedram;
READ_HANDLER( speedbal_sharedram_r )
{
// if (offset==0x0) speedbal_sharedram[offset]+=1;
return speedbal_sharedram[offset];
}
WRITE_HANDLER( speedbal_sharedram_w )
{
speedbal_sharedram[offset] = data;
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0xdbff, MRA_ROM },
{ 0xdc00, 0xdfff, speedbal_sharedram_r }, // shared with SOUND
{ 0xe000, 0xe1ff, speedbal_background_videoram_r },
{ 0xe800, 0xefff, speedbal_foreground_videoram_r },
{ 0xf000, 0xffff, MRA_RAM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0xdbff, MWA_ROM },
{ 0xdc00, 0xdfff, speedbal_sharedram_w, &speedbal_sharedram }, // shared with SOUND
{ 0xe000, 0xe1ff, speedbal_background_videoram_w, &speedbal_background_videoram, &speedbal_background_videoram_size },
{ 0xe800, 0xefff, speedbal_foreground_videoram_w, &speedbal_foreground_videoram, &speedbal_foreground_videoram_size },
{ 0xf000, 0xf5ff, paletteram_RRRRGGGGBBBBxxxx_swap_w, &paletteram },
{ 0xf600, 0xfeff, MWA_RAM },
{ 0xff00, 0xffff, MWA_RAM, &speedbal_sprites_dataram, &speedbal_sprites_dataram_size },
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0xdc00, 0xdfff, speedbal_sharedram_r }, // shared with MAIN CPU
{ 0xf000, 0xffff, MRA_RAM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0xdc00, 0xdfff, speedbal_sharedram_w }, // shared with MAIN CPU
{ 0xf000, 0xffff, MWA_RAM },
{ -1 } /* end of table */
};
static struct IOReadPort readport[] =
{
{ 0x00, 0x00, input_port_0_r },
{ 0x10, 0x10, input_port_1_r },
{ 0x20, 0x20, input_port_2_r },
{ 0x30, 0x30, input_port_3_r },
{ -1 } /* end of table */
};
static struct IOWritePort writeport[] =
{
{ -1 } /* end of table */
};
static struct IOReadPort sound_readport[] =
{
{ 0x00, 0x00, YM3812_status_port_0_r },
{ -1 } /* end of table */
};
static struct IOWritePort sound_writeport[] =
{
{ 0x00, 0x00, YM3812_control_port_0_w },
{ 0x01, 0x01, YM3812_write_port_0_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( speedbal )
PORT_START /* DSW2 */
PORT_DIPNAME( 0x07, 0x07, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x06, "70000 200000 1M" )
PORT_DIPSETTING( 0x07, "70000 200000" )
PORT_DIPSETTING( 0x03, "100000 300000 1M" )
PORT_DIPSETTING( 0x04, "100000 300000" )
PORT_DIPSETTING( 0x01, "200000 1M" )
PORT_DIPSETTING( 0x05, "200000" )
/* PORT_DIPSETTING( 0x02, "200000" ) */
PORT_DIPSETTING( 0x00, "None" )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x30, 0x30, "Difficulty 1" )
PORT_DIPSETTING( 0x30, "Very Easy" )
PORT_DIPSETTING( 0x20, "Easy" )
PORT_DIPSETTING( 0x10, "Difficult" )
PORT_DIPSETTING( 0x00, "Very Difficult" )
PORT_DIPNAME( 0xc0, 0xc0, "Difficulty 2" )
PORT_DIPSETTING( 0xc0, "Very Easy" )
PORT_DIPSETTING( 0x80, "Easy" )
PORT_DIPSETTING( 0x40, "Difficult" )
PORT_DIPSETTING( 0x00, "Very Difficult" )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_5C ) )
PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) )
PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPSETTING( 0x30, "3" )
PORT_DIPSETTING( 0x20, "4" )
PORT_DIPSETTING( 0x10, "5" )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START
PORT_BIT( 0x01, IP_ACTIVE_LOW , IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW , IPT_BUTTON2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW , IPT_BUTTON4 )
PORT_BIT( 0x08, IP_ACTIVE_LOW , IPT_BUTTON3 )
PORT_BIT( 0x10, IP_ACTIVE_LOW , IPT_START2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW , IPT_START1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW , IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW , IPT_COIN1 )
PORT_START
PORT_BIT( 0x01, IP_ACTIVE_LOW , IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW , IPT_BUTTON2 | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW , IPT_BUTTON4 | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_LOW , IPT_BUTTON3 | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW , IPT_TILT )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
1024, /* 1024 characters */
4, /* actually 2 bits per pixel - two of the planes are empty */
{ 1024*16*8+4, 1024*16*8+0, 4, 0 },
{ 8+3, 8+2, 8+1, 8+0, 3, 2, 1, 0 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, /* characters are rotated 90 degrees */
16*8 /* every char takes 16 bytes */
};
static struct GfxLayout tilelayout =
{
16,16, /* 16*16 tiles */
1024, /* 1024 tiles */
4, /* 4 bits per pixel */
{ 0, 2, 4, 6 }, /* the bitplanes are packed in one nibble */
{ 0*8+0, 0*8+1, 7*8+0, 7*8+1, 6*8+0, 6*8+1, 5*8+0, 5*8+1,
4*8+0, 4*8+1, 3*8+0, 3*8+1, 2*8+0, 2*8+1, 1*8+0, 1*8+1 },
{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64,
8*64, 9*64, 10*64, 11*64, 12*64, 13*64, 14*64, 15*64 },
128*8 /* every sprite takes 128 consecutive bytes */
};
static struct GfxLayout spritelayout =
{
16,16, /* 16*16 sprites */
512, /* 512 sprites */
4, /* 4 bits per pixel */
{ 0, 2, 4, 6 }, /* the bitplanes are packed in one nibble */
{ 7*8+1, 7*8+0, 6*8+1, 6*8+0, 5*8+1, 5*8+0, 4*8+1, 4*8+0,
3*8+1, 3*8+0, 2*8+1, 2*8+0, 1*8+1, 1*8+0, 0*8+1, 0*8+0 },
{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64,
8*64, 9*64, 10*64, 11*64, 12*64, 13*64, 14*64, 15*64 },
128*8 /* every sprite takes 128 consecutive bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0, &charlayout, 256, 16 },
{ REGION_GFX2, 0, &tilelayout, 512, 16 },
{ REGION_GFX3, 0, &spritelayout, 0, 16 },
{ -1 } /* end of array */
};
static struct YM3812interface ym3812_interface =
{
1, /* 1 chip (no more supported) */
3600000, /* 3.600000 MHz ? (partially supported) */
{ 255 } /* (not supported) */
};
static struct MachineDriver machine_driver_speedbal =
{
/* basic machine hardware */
{
{
CPU_Z80,
4000000, /* 4 MHz ??? */
readmem,writemem,readport,writeport,
interrupt,1
},
{
CPU_Z80,
2660000, /* 2.66 MHz ??? Maybe yes */
sound_readmem,sound_writemem,sound_readport,sound_writeport,
interrupt,8
}
},
60, DEFAULT_REAL_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* 1 CPU slices per frame */
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
gfxdecodeinfo,
768, 768,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
speedbal_vh_start,
speedbal_vh_stop,
speedbal_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_YM3812,
&ym3812_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( speedbal )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64K for code: main */
ROM_LOAD( "sb1.bin", 0x0000, 0x8000, 0x1c242e34 )
ROM_LOAD( "sb3.bin", 0x8000, 0x8000, 0x7682326a )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64K for second CPU: sound */
ROM_LOAD( "sb2.bin", 0x0000, 0x8000, 0xe6a6d9b7 )
ROM_REGION( 0x08000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD("sb10.bin", 0x00000, 0x08000, 0x36dea4bf ) /* chars */
ROM_REGION( 0x20000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "sb9.bin", 0x00000, 0x08000, 0xb567e85e ) /* bg tiles */
ROM_LOAD( "sb5.bin", 0x08000, 0x08000, 0xb0eae4ba )
ROM_LOAD( "sb8.bin", 0x10000, 0x08000, 0xd2bfbdb6 )
ROM_LOAD( "sb4.bin", 0x18000, 0x08000, 0x1d23a130 )
ROM_REGION( 0x10000, REGION_GFX3 | REGIONFLAG_DISPOSE )
ROM_LOAD( "sb6.bin", 0x00000, 0x08000, 0x0e2506eb ) /* sprites */
ROM_LOAD( "sb7.bin", 0x08000, 0x08000, 0x9f1b33d1 )
ROM_END
static void init_speedbal(void)
{
int i;
/* invert the graphics bits on the sprites */
for (i = 0; i < memory_region_length(REGION_GFX3); i++)
memory_region(REGION_GFX3)[i] ^= 0xff;
}
GAME( 1987, speedbal, 0, speedbal, speedbal, speedbal, ROT270, "Tecfri", "Speed Ball" )