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AmigActive 10
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AACD 10.iso
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blockout.c
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C/C++ Source or Header
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2000-04-23
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10KB
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315 lines
/***************************************************************************
Block Out
driver by Nicola Salmoria
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/z80/z80.h"
extern unsigned char *blockout_videoram;
extern unsigned char *blockout_frontvideoram;
extern unsigned char *blockout_frontcolor;
static unsigned char *ram_blockout; /* used by high scores */
WRITE_HANDLER( blockout_videoram_w );
READ_HANDLER( blockout_videoram_r );
WRITE_HANDLER( blockout_frontvideoram_w );
READ_HANDLER( blockout_frontvideoram_r );
WRITE_HANDLER( blockout_paletteram_w );
WRITE_HANDLER( blockout_frontcolor_w );
int blockout_vh_start(void);
void blockout_vh_stop(void);
void blockout_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
int blockout_interrupt(void)
{
/* interrupt 6 is vblank */
/* interrupt 5 reads coin inputs - might have to be triggered only */
/* when a coin is inserted */
return 6 - cpu_getiloops();
}
READ_HANDLER( blockout_input_r )
{
switch (offset)
{
case 0:
return input_port_0_r(offset);
case 2:
return input_port_1_r(offset);
case 4:
return input_port_2_r(offset);
case 6:
return input_port_3_r(offset);
case 8:
return input_port_4_r(offset);
default:
logerror("PC %06x - read input port %06x\n",cpu_get_pc(),0x100000+offset);
return 0;
}
}
WRITE_HANDLER( blockout_sound_command_w )
{
switch (offset)
{
case 0:
soundlatch_w(offset,data);
cpu_cause_interrupt(1,Z80_NMI_INT);
break;
case 2:
/* don't know, maybe reset sound CPU */
break;
}
}
static struct MemoryReadAddress readmem[] =
{
{ 0x000000, 0x03ffff, MRA_ROM },
{ 0x100000, 0x10000b, blockout_input_r },
{ 0x180000, 0x1bffff, blockout_videoram_r },
{ 0x1d4000, 0x1dffff, MRA_BANK1 }, /* work RAM */
{ 0x1f4000, 0x1fffff, MRA_BANK2 }, /* work RAM */
{ 0x200000, 0x207fff, blockout_frontvideoram_r },
{ 0x208000, 0x21ffff, MRA_BANK3 }, /* ??? */
{ 0x280200, 0x2805ff, paletteram_word_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x000000, 0x03ffff, MWA_ROM },
{ 0x100014, 0x100017, blockout_sound_command_w },
{ 0x180000, 0x1bffff, blockout_videoram_w, &blockout_videoram },
{ 0x1d4000, 0x1dffff, MWA_BANK1, &ram_blockout }, /* work RAM */
{ 0x1f4000, 0x1fffff, MWA_BANK2 }, /* work RAM */
{ 0x200000, 0x207fff, blockout_frontvideoram_w, &blockout_frontvideoram },
{ 0x208000, 0x21ffff, MWA_BANK3 }, /* ??? */
{ 0x280002, 0x280003, blockout_frontcolor_w },
{ 0x280200, 0x2805ff, blockout_paletteram_w, &paletteram },
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0x8000, 0x87ff, MRA_RAM },
{ 0x8801, 0x8801, YM2151_status_port_0_r },
{ 0x9800, 0x9800, OKIM6295_status_0_r },
{ 0xa000, 0xa000, soundlatch_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0x8000, 0x87ff, MWA_RAM },
{ 0x8800, 0x8800, YM2151_register_port_0_w },
{ 0x8801, 0x8801, YM2151_data_port_0_w },
{ 0x9800, 0x9800, OKIM6295_data_0_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( blockout )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 | IPF_PLAYER2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_PLAYER2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
PORT_START
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_START
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
/* the following two are supposed to control Coin 2, but they don't work. */
/* This happens on the original board too. */
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) /* unused? */
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) /* unused? */
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, "1 Coin to Continue" )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) /* unused? */
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) /* unused? */
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x02, "Easy" )
PORT_DIPSETTING( 0x03, "Normal" )
PORT_DIPSETTING( 0x01, "Hard" )
PORT_DIPSETTING( 0x00, "Very Hard" )
PORT_DIPNAME( 0x04, 0x04, "Rotate Buttons" )
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPSETTING( 0x04, "3" )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
INPUT_PORTS_END
/* handler called by the 2151 emulator when the internal timers cause an IRQ */
static void blockout_irq_handler(int irq)
{
cpu_set_irq_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
/* cpu_cause_interrupt(1,0xff); */
}
static struct YM2151interface ym2151_interface =
{
1, /* 1 chip */
3579545, /* 3.579545 Mhz (?) */
{ YM3012_VOL(60,MIXER_PAN_LEFT,60,MIXER_PAN_RIGHT) },
{ blockout_irq_handler }
};
static struct OKIM6295interface okim6295_interface =
{
1, /* 1 chip */
{ 8000 }, /* 8000Hz frequency */
{ REGION_SOUND1 }, /* memory region 3 */
{ 50 }
};
static struct MachineDriver machine_driver_blockout =
{
/* basic machine hardware */
{
{
CPU_M68000,
8760000, /* MRH - 8.76 makes gfx/adpcm samples sync better */
readmem,writemem,0,0,
blockout_interrupt,2
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3579545, /* 3.579545 Mhz (?) */
sound_readmem,sound_writemem,0,0,
ignore_interrupt,1 /* NMIs are triggered by the main CPU, IRQs by the YM2151 */
}
},
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 */
320, 256, { 0, 319, 8, 247 },
0,
513, 0,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
blockout_vh_start,
blockout_vh_stop,
blockout_vh_screenrefresh,
/* sound hardware */
SOUND_SUPPORTS_STEREO,0,0,0,
{
{
SOUND_YM2151,
&ym2151_interface
},
{
SOUND_OKIM6295,
&okim6295_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( blockout )
ROM_REGION( 0x40000, REGION_CPU1 ) /* 2*128k for 68000 code */
ROM_LOAD_EVEN( "bo29a0-2.bin", 0x00000, 0x20000, 0xb0103427 )
ROM_LOAD_ODD ( "bo29a1-2.bin", 0x00000, 0x20000, 0x5984d5a2 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the audio CPU */
ROM_LOAD( "bo29e3-0.bin", 0x0000, 0x8000, 0x3ea01f78 )
ROM_REGION( 0x20000, REGION_SOUND1 ) /* 128k for ADPCM samples - sound chip is OKIM6295 */
ROM_LOAD( "bo29e2-0.bin", 0x0000, 0x20000, 0x15c5a99d )
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "mb7114h.25", 0x0000, 0x0100, 0xb25bbda7 ) /* unknown */
ROM_END
ROM_START( blckout2 )
ROM_REGION( 0x40000, REGION_CPU1 ) /* 2*128k for 68000 code */
ROM_LOAD_EVEN( "29a0", 0x00000, 0x20000, 0x605f931e )
ROM_LOAD_ODD ( "29a1", 0x00000, 0x20000, 0x38f07000 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the audio CPU */
ROM_LOAD( "bo29e3-0.bin", 0x0000, 0x8000, 0x3ea01f78 )
ROM_REGION( 0x20000, REGION_SOUND1 ) /* 128k for ADPCM samples - sound chip is OKIM6295 */
ROM_LOAD( "bo29e2-0.bin", 0x0000, 0x20000, 0x15c5a99d )
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "mb7114h.25", 0x0000, 0x0100, 0xb25bbda7 ) /* unknown */
ROM_END
GAME( 1989, blockout, 0, blockout, blockout, 0, ROT0, "Technos + California Dreams", "Block Out (set 1)" )
GAME( 1989, blckout2, blockout, blockout, blockout, 0, ROT0, "Technos + California Dreams", "Block Out (set 2)" )