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yamato.c
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C/C++ Source or Header
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2000-05-04
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16KB
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474 lines
/*
TODO:
- This runs on Crazy Climber hardware, should be merged with that driver.
- Two ROMs are not used, I don't know what they are.
- I'm only using the bottom half of the big sprite char ROM - there must
be a way for the game to address both
*/
#include "driver.h"
#include "vidhrdw/generic.h"
/* in machine/segacrpt.c */
void yamato_decode(void);
extern unsigned char *cclimber_bsvideoram;
extern size_t cclimber_bsvideoram_size;
extern unsigned char *cclimber_bigspriteram;
extern unsigned char *cclimber_column_scroll;
WRITE_HANDLER( cclimber_flipscreen_w );
WRITE_HANDLER( cclimber_colorram_w );
WRITE_HANDLER( cclimber_bigsprite_videoram_w );
void cclimber_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
int cclimber_vh_start(void);
void cclimber_vh_stop(void);
void cclimber_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void yamato_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom)
{
int i;
#define TOTAL_COLORS(gfxn) (Machine->gfx[gfxn]->total_colors * Machine->gfx[gfxn]->color_granularity)
#define COLOR(gfxn,offs) (colortable[Machine->drv->gfxdecodeinfo[gfxn].color_codes_start + (offs)])
/* chars - 12 bits RGB */
for (i = 0;i < 64;i++)
{
int bit0,bit1,bit2,bit3;
/* red component */
bit0 = (color_prom[0] >> 0) & 0x01;
bit1 = (color_prom[0] >> 1) & 0x01;
bit2 = (color_prom[0] >> 2) & 0x01;
bit3 = (color_prom[0] >> 3) & 0x01;
*(palette++) = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
/* green component */
bit0 = (color_prom[0] >> 4) & 0x01;
bit1 = (color_prom[0] >> 5) & 0x01;
bit2 = (color_prom[0] >> 6) & 0x01;
bit3 = (color_prom[0] >> 7) & 0x01;
*(palette++) = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
/* blue component */
bit0 = (color_prom[64] >> 0) & 0x01;
bit1 = (color_prom[64] >> 1) & 0x01;
bit2 = (color_prom[64] >> 2) & 0x01;
bit3 = (color_prom[64] >> 3) & 0x01;
*(palette++) = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
color_prom++;
}
color_prom += 64;
/* big sprite - 8 bits RGB */
for (i = 0;i < 32;i++)
{
int bit0,bit1,bit2;
/* red component */
bit0 = (*color_prom >> 0) & 0x01;
bit1 = (*color_prom >> 1) & 0x01;
bit2 = (*color_prom >> 2) & 0x01;
*(palette++) = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* green component */
bit0 = (*color_prom >> 3) & 0x01;
bit1 = (*color_prom >> 4) & 0x01;
bit2 = (*color_prom >> 5) & 0x01;
*(palette++) = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
/* blue component */
bit0 = 0;
bit1 = (*color_prom >> 6) & 0x01;
bit2 = (*color_prom >> 7) & 0x01;
*(palette++) = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
color_prom++;
}
/* character and sprite lookup table */
/* they use colors 0-63 */
for (i = 0;i < TOTAL_COLORS(0);i++)
{
/* pen 0 always uses color 0 (background in River Patrol and Silver Land) */
if (i % 4 == 0) COLOR(0,i) = 0;
else COLOR(0,i) = i;
}
/* big sprite lookup table */
/* it uses colors 64-95 */
for (i = 0;i < TOTAL_COLORS(2);i++)
{
if (i % 4 == 0) COLOR(2,i) = 0;
else COLOR(2,i) = i + 64;
}
}
static int p0,p1;
static WRITE_HANDLER( p0_w )
{
p0 = data;
}
static WRITE_HANDLER( p1_w )
{
p1 = data;
}
static READ_HANDLER( p0_r )
{
return p0;
}
static READ_HANDLER( p1_r )
{
return p1;
}
static struct MemoryReadAddress yamato_readmem[] =
{
{ 0x0000, 0x5fff, MRA_ROM },
{ 0x6000, 0x67ff, MRA_RAM },
{ 0x7000, 0x7fff, MRA_ROM },
{ 0x8800, 0x8bff, MRA_RAM },
{ 0x9000, 0x93ff, MRA_RAM }, /* video RAM */
{ 0x9800, 0x9bff, MRA_RAM }, /* column scroll registers */
{ 0x9c00, 0x9fff, MRA_RAM }, /* color RAM */
{ 0xa000, 0xa000, input_port_0_r }, /* IN0 */
{ 0xa800, 0xa800, input_port_1_r }, /* IN1 */
{ 0xb000, 0xb000, input_port_2_r }, /* DSW */
{ 0xb800, 0xb800, input_port_3_r }, /* IN2 */
{ 0xba00, 0xba00, input_port_4_r }, /* IN3 (maybe a mirror of b800) */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress yamato_writemem[] =
{
{ 0x0000, 0x5fff, MWA_ROM },
{ 0x6000, 0x67ff, MWA_RAM },
{ 0x7000, 0x7fff, MWA_ROM },
{ 0x8800, 0x88ff, cclimber_bigsprite_videoram_w, &cclimber_bsvideoram, &cclimber_bsvideoram_size },
{ 0x8900, 0x8bff, MWA_RAM }, /* not used, but initialized */
{ 0x9000, 0x93ff, videoram_w, &videoram, &videoram_size },
//{ 0x9400, 0x97ff, videoram_w }, /* mirror address, used by Crazy Climber to draw windows */
/* 9800-9bff and 9c00-9fff share the same RAM, interleaved */
/* (9800-981f for scroll, 9c20-9c3f for color RAM, and so on) */
{ 0x9800, 0x981f, MWA_RAM, &cclimber_column_scroll },
{ 0x9880, 0x989f, MWA_RAM, &spriteram, &spriteram_size },
{ 0x98dc, 0x98df, MWA_RAM, &cclimber_bigspriteram },
{ 0x9800, 0x9bff, MWA_RAM }, /* not used, but initialized */
{ 0x9c00, 0x9fff, cclimber_colorram_w, &colorram },
{ 0xa000, 0xa000, interrupt_enable_w },
{ 0xa001, 0xa002, cclimber_flipscreen_w },
//{ 0xa004, 0xa004, cclimber_sample_trigger_w },
//{ 0xa800, 0xa800, cclimber_sample_rate_w },
//{ 0xb000, 0xb000, cclimber_sample_volume_w },
{ -1 } /* end of table */
};
static struct IOReadPort yamato_readport[] =
{
{ -1 } /* end of table */
};
static struct IOWritePort yamato_writeport[] =
{
{ 0x00, 0x00, p0_w }, /* ??? */
{ 0x01, 0x01, p1_w }, /* ??? */
{ -1 } /* end of table */
};
static struct MemoryReadAddress yamato_sound_readmem[] =
{
{ 0x0000, 0x07ff, MRA_ROM },
{ 0x5000, 0x53ff, MRA_RAM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress yamato_sound_writemem[] =
{
{ 0x0000, 0x07ff, MWA_ROM },
{ 0x5000, 0x53ff, MWA_RAM },
{ -1 } /* end of table */
};
static struct IOReadPort yamato_sound_readport[] =
{
{ 0x04, 0x04, p0_r }, /* ??? */
{ 0x08, 0x08, p1_r }, /* ??? */
{ -1 } /* end of table */
};
static struct IOWritePort yamato_sound_writeport[] =
{
{ 0x00, 0x00, AY8910_control_port_0_w },
{ 0x01, 0x01, AY8910_write_port_0_w },
{ 0x02, 0x02, AY8910_control_port_1_w },
{ 0x03, 0x03, AY8910_write_port_1_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( yamato )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_START /* DSW */
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x01, "4" )
PORT_DIPSETTING( 0x02, "5" )
PORT_DIPSETTING( 0x03, "6" )
PORT_DIPNAME( 0x1c, 0x00, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x18, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x14, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x1c, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, "Speed" )
PORT_DIPSETTING( 0x00, "Slow" )
PORT_DIPSETTING( 0x40, "Fast" )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
PORT_START /* IN2 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 ) /* set 1 only */
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN3 ) /* set 1 only */
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START /* IN3 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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 */
512, /* 512 characters (256 in Crazy Climber) */
2, /* 2 bits per pixel */
{ 0, 512*8*8 }, /* the two 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 bscharlayout =
{
8,8, /* 8*8 characters */
512,//256, /* 256 characters */
2, /* 2 bits per pixel */
{ 0, 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 spritelayout =
{
16,16, /* 16*16 sprites */
128, /* 128 sprites (64 in Crazy Climber) */
2, /* 2 bits per pixel */
{ 0, 128*16*16 }, /* 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 sprite takes 32 consecutive bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0x0000, &charlayout, 0, 16 }, /* char set #1 */
{ REGION_GFX1, 0x2000, &charlayout, 0, 16 }, /* char set #2 */
{ REGION_GFX2, 0x0000, &bscharlayout, 16*4, 8 }, /* big sprite char set */
{ REGION_GFX1, 0x0000, &spritelayout, 0, 16 }, /* sprite set #1 */
{ REGION_GFX1, 0x2000, &spritelayout, 0, 16 }, /* sprite set #2 */
{ -1 } /* end of array */
};
static struct AY8910interface yamato_ay8910_interface =
{
2, /* 2 chips */
1536000, /* 1.536 MHz??? */
{ 25, 25 },
{ 0 },
{ 0 },
{ 0 },
{ 0 }
};
static struct MachineDriver machine_driver_yamato =
{
/* basic machine hardware */
{
{
CPU_Z80,
3072000, /* 3.072 MHz ? */
yamato_readmem,yamato_writemem,yamato_readport,yamato_writeport,
nmi_interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3072000, /* 3.072 Mhz ? */
yamato_sound_readmem,yamato_sound_writemem,yamato_sound_readport,yamato_sound_writeport,
ignore_interrupt,0
}
},
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,
96,16*4+8*4,
yamato_vh_convert_color_prom,
VIDEO_TYPE_RASTER,
0,
cclimber_vh_start,
cclimber_vh_stop,
cclimber_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_AY8910,
&yamato_ay8910_interface
}
}
};
ROM_START( yamato )
ROM_REGION( 2*0x10000, REGION_CPU1 ) /* 64k for code + 64k for decrypted opcodes */
ROM_LOAD( "2.5de", 0x0000, 0x2000, 0x20895096 )
ROM_LOAD( "3.5f", 0x2000, 0x2000, 0x57a696f9 )
ROM_LOAD( "4.5jh", 0x4000, 0x2000, 0x59a468e8 )
/* hole at 6000-6fff */
ROM_LOAD( "11.5a", 0x7000, 0x1000, 0x35987485 )
/* I don't know what the following ROMs are! */
ROM_LOAD( "5.5lm", 0xf000, 0x1000, 0x7761ad24 ) /* ?? */
ROM_LOAD( "6.5n", 0xf000, 0x1000, 0xda48444c ) /* ?? */
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for sound cpu */
ROM_LOAD( "1.5v", 0x0000, 0x0800, 0x3aad9e3c )
ROM_REGION( 0x4000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "10.11k", 0x0000, 0x1000, 0x161121f5 )
ROM_CONTINUE( 0x2000, 0x1000 )
ROM_LOAD( "9.11h", 0x1000, 0x1000, 0x56e84cc4 )
ROM_CONTINUE( 0x3000, 0x1000 )
ROM_REGION( 0x2000, REGION_GFX2 | REGIONFLAG_DISPOSE )
/* TODO: I'm swapping the two halves of the ROMs to use only the bottom */
/* 256 chars. There must be a way for the game to address both halves */
ROM_LOAD( "8.11c", 0x0800, 0x0800, 0x28024d9a )
ROM_CONTINUE( 0x0000, 0x0800 )
ROM_LOAD( "7.11a", 0x1800, 0x0800, 0x4a179790 )
ROM_CONTINUE( 0x1000, 0x0800 )
ROM_REGION( 0x00a0, REGION_PROMS )
ROM_LOAD( "1.bpr", 0x0000, 0x0020, 0xef2053ab )
ROM_LOAD( "2.bpr", 0x0020, 0x0020, 0x2281d39f )
ROM_LOAD( "3.bpr", 0x0040, 0x0020, 0x9e6341e3 )
ROM_LOAD( "4.bpr", 0x0060, 0x0020, 0x1c97dc0b )
ROM_LOAD( "5.bpr", 0x0080, 0x0020, 0xedd6c05f )
ROM_END
ROM_START( yamato2 )
ROM_REGION( 2*0x10000, REGION_CPU1 ) /* 64k for code + 64k for decrypted opcodes */
ROM_LOAD( "2-2.5de", 0x0000, 0x2000, 0x93da1d52 )
ROM_LOAD( "3-2.5f", 0x2000, 0x2000, 0x31e73821 )
ROM_LOAD( "4-2.5jh", 0x4000, 0x2000, 0xfd7bcfc3 )
/* hole at 6000-6fff */
/* 7000-7fff not present here */
/* I don't know what the following ROMs are! */
ROM_LOAD( "5.5lm", 0xf000, 0x1000, 0x7761ad24 ) /* ?? */
ROM_LOAD( "6.5n", 0xf000, 0x1000, 0xda48444c ) /* ?? */
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for sound cpu */
ROM_LOAD( "1.5v", 0x0000, 0x0800, 0x3aad9e3c )
ROM_REGION( 0x4000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "10.11k", 0x0000, 0x1000, 0x161121f5 )
ROM_CONTINUE( 0x2000, 0x1000 )
ROM_LOAD( "9.11h", 0x1000, 0x1000, 0x56e84cc4 )
ROM_CONTINUE( 0x3000, 0x1000 )
ROM_REGION( 0x2000, REGION_GFX2 | REGIONFLAG_DISPOSE )
/* TODO: I'm swapping the two halves of the ROMs to use only the bottom */
/* 256 chars. There must be a way for the game to address both halves */
ROM_LOAD( "8.11c", 0x0800, 0x0800, 0x28024d9a )
ROM_CONTINUE( 0x0000, 0x0800 )
ROM_LOAD( "7.11a", 0x1800, 0x0800, 0x4a179790 )
ROM_CONTINUE( 0x1000, 0x0800 )
ROM_REGION( 0x00a0, REGION_PROMS )
ROM_LOAD( "1.bpr", 0x0000, 0x0020, 0xef2053ab )
ROM_LOAD( "2.bpr", 0x0020, 0x0020, 0x2281d39f )
ROM_LOAD( "3.bpr", 0x0040, 0x0020, 0x9e6341e3 )
ROM_LOAD( "4.bpr", 0x0060, 0x0020, 0x1c97dc0b )
ROM_LOAD( "5.bpr", 0x0080, 0x0020, 0xedd6c05f )
ROM_END
static void init_yamato(void)
{
yamato_decode();
}
GAME( 1983, yamato, 0, yamato, yamato, yamato, ROT90, "Sega", "Yamato (set 1)" )
GAME( 1983, yamato2, yamato, yamato, yamato, yamato, ROT90, "Sega", "Yamato (set 2)" )