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lkage.c
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C/C++ Source or Header
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2000-04-04
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14KB
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441 lines
/***************************************************************************
Legend of Kage
(C)1985 Taito
CPU: Z80 (x2), MC68705
Sound: YM2203 (x2)
Phil Stroffolino
pjstroff@hotmail.com
Known issues:
SOUND: lots of unknown writes to the YM2203 I/O ports
MCU (used by original version): not hooked up
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/z80/z80.h"
#include "cpu/m6805/m6805.h"
extern unsigned char *lkage_scroll, *lkage_vreg;
WRITE_HANDLER( lkage_videoram_w );
int lkage_vh_start(void);
void lkage_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static int sound_nmi_enable,pending_nmi;
static void nmi_callback(int param)
{
if (sound_nmi_enable) cpu_cause_interrupt(1,Z80_NMI_INT);
else pending_nmi = 1;
}
WRITE_HANDLER( lkage_sound_command_w )
{
soundlatch_w(offset,data);
timer_set(TIME_NOW,data,nmi_callback);
}
WRITE_HANDLER( lkage_sh_nmi_disable_w )
{
sound_nmi_enable = 0;
}
WRITE_HANDLER( lkage_sh_nmi_enable_w )
{
sound_nmi_enable = 1;
if (pending_nmi)
{ /* probably wrong but commands may go lost otherwise */
cpu_cause_interrupt(1,Z80_NMI_INT);
pending_nmi = 0;
}
}
static READ_HANDLER( status_r )
{
return 0x3;
}
static READ_HANDLER( unknown0_r )
{
return 0x00;
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0xdfff, MRA_ROM },
{ 0xe000, 0xe7ff, MRA_RAM },
{ 0xe800, 0xefff, paletteram_r },
{ 0xf000, 0xf003, MRA_RAM },
{ 0xf062, 0xf062, unknown0_r }, /* unknown */
{ 0xf080, 0xf080, input_port_0_r }, /* DSW1 */
{ 0xf081, 0xf081, input_port_1_r }, /* DSW2 (coinage) */
{ 0xf082, 0xf082, input_port_2_r }, /* DSW3 */
{ 0xf083, 0xf083, input_port_3_r }, /* start buttons, insert coin, tilt */
{ 0xf084, 0xf084, input_port_4_r }, /* P1 controls */
{ 0xf084, 0xf084, input_port_5_r }, /* P2 controls */
{ 0xf087, 0xf087, status_r }, /* MCU? */
{ 0xf0a3, 0xf0a3, unknown0_r }, /* unknown */
{ 0xf0c0, 0xf0c5, MRA_RAM },
{ 0xf100, 0xf15f, MRA_RAM },
{ 0xf400, 0xffff, MRA_RAM },
{ -1 }
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0xdfff, MWA_ROM },
{ 0xe000, 0xe7ff, MWA_RAM },
{ 0xe800, 0xefff, MWA_RAM, &paletteram },
// paletteram_xxxxRRRRGGGGBBBB_w, &paletteram },
{ 0xf000, 0xf003, MWA_RAM, &lkage_vreg }, /* video registers */
{ 0xf060, 0xf060, lkage_sound_command_w },
{ 0xf061, 0xf063, MWA_NOP }, /* unknown */
{ 0xf0a2, 0xf0a3, MWA_NOP }, /* unknown */
{ 0xf0c0, 0xf0c5, MWA_RAM, &lkage_scroll }, /* scrolling */
{ 0xf0e1, 0xf0e1, MWA_NOP }, /* unknown */
{ 0xf100, 0xf15f, MWA_RAM, &spriteram }, /* spriteram */
{ 0xf400, 0xffff, lkage_videoram_w, &videoram }, /* videoram */
{ -1 }
};
static READ_HANDLER( port_fetch_r )
{
return memory_region(REGION_USER1)[offset];
}
static struct IOReadPort readport[] =
{
{ 0x4000, 0x7fff, port_fetch_r },
{ -1 }
};
#if 0
static struct MemoryReadAddress m68705_readmem[] =
{
{ 0x0010, 0x007f, MRA_RAM },
{ 0x0080, 0x07ff, MRA_ROM },
{ -1 }
};
static struct MemoryWriteAddress m68705_writemem[] =
{
{ 0x0010, 0x007f, MWA_RAM },
{ 0x0080, 0x07ff, MWA_ROM },
{ -1 }
};
#endif
/***************************************************************************/
/* sound section is almost identical to Bubble Bobble, YM2203 instead of YM3526 */
static struct MemoryReadAddress readmem_sound[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0x8000, 0x87ff, MRA_RAM },
{ 0x9000, 0x9000, YM2203_status_port_0_r },
{ 0xa000, 0xa000, YM2203_status_port_1_r },
{ 0xb000, 0xb000, soundlatch_r },
{ 0xb001, 0xb001, MRA_NOP }, /* ??? */
{ 0xe000, 0xefff, MRA_ROM }, /* space for diagnostic ROM? */
{ -1 }
};
static struct MemoryWriteAddress writemem_sound[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0x8000, 0x87ff, MWA_RAM },
{ 0x9000, 0x9000, YM2203_control_port_0_w },
{ 0x9001, 0x9001, YM2203_write_port_0_w },
{ 0xa000, 0xa000, YM2203_control_port_1_w },
{ 0xa001, 0xa001, YM2203_write_port_1_w },
{ 0xb000, 0xb000, MWA_NOP }, /* ??? */
{ 0xb001, 0xb001, lkage_sh_nmi_enable_w },
{ 0xb002, 0xb002, lkage_sh_nmi_disable_w },
{ 0xe000, 0xefff, MWA_ROM }, /* space for diagnostic ROM? */
{ -1 }
};
/***************************************************************************/
INPUT_PORTS_START( lkage )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x03, "10000" ) /* unconfirmed */
PORT_DIPSETTING( 0x02, "15000" ) /* unconfirmed */
PORT_DIPSETTING( 0x01, "20000" ) /* unconfirmed */
PORT_DIPSETTING( 0x00, "24000" ) /* unconfirmed */
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Free_Play ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x18, 0x18, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x18, "3" )
PORT_DIPSETTING( 0x10, "4" )
PORT_DIPSETTING( 0x08, "5" )
PORT_BITX(0, 0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "255", IP_KEY_NONE, IP_JOY_NONE )
PORT_DIPNAME( 0x20, 0x20, "Unknown DSW A 6" )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) /* unconfirmed */
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) /* unconfirmed */
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) )
PORT_START /* DSW2 */
PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x0f, DEF_STR( 9C_1C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 8C_1C ) )
PORT_DIPSETTING( 0x0d, DEF_STR( 7C_1C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 6C_1C ) )
PORT_DIPSETTING( 0x0b, DEF_STR( 5C_1C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x09, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 1C_8C ) )
PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0xf0, DEF_STR( 9C_1C ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 8C_1C ) )
PORT_DIPSETTING( 0xd0, DEF_STR( 7C_1C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 6C_1C ) )
PORT_DIPSETTING( 0xb0, DEF_STR( 5C_1C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x90, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x20, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x70, DEF_STR( 1C_8C ) )
PORT_START /* DSW3 */
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x03, "Easiest" ) /* unconfirmed */
PORT_DIPSETTING( 0x02, "Easy" ) /* unconfirmed */
PORT_DIPSETTING( 0x01, "Normal" ) /* unconfirmed */
PORT_DIPSETTING( 0x00, "Hard" ) /* unconfirmed */
PORT_DIPNAME( 0x04, 0x04, "Unknown DSW C 3" )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, "Unknown DSW C 4" )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, "Coinage Display" )
PORT_DIPSETTING( 0x10, "Coins/Credits" )
PORT_DIPSETTING( 0x00, "Insert Coin" )
PORT_DIPNAME( 0x20, 0x20, "Year Display" )
PORT_DIPSETTING( 0x00, "Normal" )
PORT_DIPSETTING( 0x20, "Roman Numerals" )
PORT_BITX( 0x40, 0x40, IPT_DIPSWITCH_NAME | IPF_CHEAT, "Invulnerability", IP_KEY_NONE, IP_JOY_NONE )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, "Coin Slots" )
PORT_DIPSETTING( 0x80, "A and B" )
PORT_DIPSETTING( 0x00, "A only" )
PORT_START /* Service */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* IN2 */
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_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END
static struct GfxLayout tile_layout =
{
8,8, /* 8x8 characters */
256, /* number of characters */
4, /* 4 bits per pixel */
{ 1*0x20000,0*0x20000,3*0x20000,2*0x20000 },
{ 7,6,5,4,3,2,1,0 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
64 /* offset to next character */
};
static struct GfxLayout sprite_layout =
{
16,16, /* sprite size */
384, /* number of sprites */
4, /* bits per pixel */
{ 1*0x20000,0*0x20000,3*0x20000,2*0x20000 }, /* plane offsets */
{ /* x offsets */
7,6,5,4,3,2,1,0,
64+7,64+6,64+5,64+4,64+3,64+2,64+1,64
},
{ /* y offsets */
0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
128+0*8, 128+1*8, 128+2*8, 128+3*8, 128+4*8, 128+5*8, 128+6*8, 128+7*8 },
256 /* offset to next sprite */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0x0000, &tile_layout, 128, 3 },
{ REGION_GFX1, 0x0800, &tile_layout, 128, 3 },
{ REGION_GFX1, 0x2800, &tile_layout, 128, 3 },
{ REGION_GFX1, 0x1000, &sprite_layout, 0, 8 },
{ -1 }
};
static void irqhandler(int irq)
{
cpu_set_irq_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}
static struct YM2203interface ym2203_interface =
{
2, /* 2 chips */
4000000, /* 4 MHz ? (hand tuned) */
{ YM2203_VOL(19,19), YM2203_VOL(19,19) },
{ 0 },
{ 0 },
{ 0 },
{ 0 },
{ irqhandler }
};
static struct MachineDriver machine_driver_lkage =
{
{
{
CPU_Z80 | CPU_16BIT_PORT,
6000000, /* ??? */
readmem,writemem,readport,0,
interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
6000000, /* ??? */
readmem_sound,writemem_sound,0,0,
ignore_interrupt,0 /* NMIs are triggered by the main CPU */
/* IRQs are triggered by the YM2203 */
},
// {
// CPU_M68705,
// 4000000/2, /* ??? */
// m68705_readmem,m68705_writemem,0,0,
// ignore_interrupt,1
// },
},
60,DEFAULT_REAL_60HZ_VBLANK_DURATION,
1, /* CPU slices */
0, /* init machine */
/* video hardware */
32*8, 32*8, { 1*8, 31*8-1, 2*8, 30*8-1 },
gfxdecodeinfo,
176,176,
/*
there are actually 1024 colors in paletteram, however, we use a 100% correct
reduced "virtual palette" to achieve some optimizations in the video driver.
*/
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
lkage_vh_start,
0,
lkage_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_YM2203,
&ym2203_interface
}
}
};
ROM_START( lkage )
ROM_REGION( 0x14000, REGION_CPU1 ) /* Z80 code (main CPU) */
ROM_LOAD( "a54-01-1.37", 0x00000, 0x8000, 0x973da9c5 )
ROM_LOAD( "a54-02-1.38", 0x08000, 0x8000, 0x27b509da )
ROM_REGION( 0x10000, REGION_CPU2 ) /* Z80 code (sound CPU) */
ROM_LOAD( "a54-04.54", 0x00000, 0x8000, 0x541faf9a )
ROM_REGION( 0x10000, REGION_CPU3 ) /* 68705 MCU code (not used) */
ROM_LOAD( "a54-09.53", 0x00000, 0x0800, 0x0e8b8846 )
ROM_REGION( 0x4000, REGION_USER1 ) /* data */
ROM_LOAD( "a54-03.51", 0x00000, 0x4000, 0x493e76d8 )
ROM_REGION( 0x10000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "a54-05-1.84", 0x00000, 0x4000, 0x0033c06a )
ROM_LOAD( "a54-06-1.85", 0x04000, 0x4000, 0x9f04d9ad )
ROM_LOAD( "a54-07-1.86", 0x08000, 0x4000, 0xb20561a4 )
ROM_LOAD( "a54-08-1.87", 0x0c000, 0x4000, 0x3ff3b230 )
ROM_END
ROM_START( lkageb )
ROM_REGION( 0x10000, REGION_CPU1 ) /* Z80 code (main CPU) */
ROM_LOAD( "lok.a", 0x0000, 0x8000, 0x866df793 )
ROM_LOAD( "lok.b", 0x8000, 0x8000, 0xfba9400f )
ROM_REGION( 0x10000, REGION_CPU2 ) /* Z80 code (sound CPU) */
ROM_LOAD( "a54-04.54", 0x0000, 0x8000, 0x541faf9a ) // LOK.D
ROM_REGION( 0x4000, REGION_USER1 ) /* data */
ROM_LOAD( "a54-03.51", 0x00000, 0x4000, 0x493e76d8 ) // LOK.C
ROM_REGION( 0x10000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "lok.f", 0x0000, 0x4000, 0x76753e52 )
ROM_LOAD( "lok.e", 0x4000, 0x4000, 0xf33c015c )
ROM_LOAD( "lok.h", 0x8000, 0x4000, 0x0e02c2e8 )
ROM_LOAD( "lok.g", 0xc000, 0x4000, 0x4ef5f073 )
ROM_END
GAME( 1984, lkage, 0, lkage, lkage, 0, ROT0, "Taito Corporation", "The Legend of Kage" )
GAME( 1984, lkageb, lkage, lkage, lkage, 0, ROT0, "bootleg", "The Legend of Kage (bootleg)" )