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parodius.c
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C/C++ Source or Header
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2000-04-23
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14KB
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445 lines
/***************************************************************************
Parodius (Konami GX955) (c) 1990 Konami
driver by Nicola Salmoria
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/konami/konami.h" /* for the callback and the firq irq definition */
#include "vidhrdw/konamiic.h"
/* prototypes */
static void parodius_init_machine( void );
static void parodius_banking( int lines );
int parodius_vh_start( void );
void parodius_vh_stop( void );
void parodius_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static int videobank;
static unsigned char *ram;
static int parodius_interrupt(void)
{
if (K052109_is_IRQ_enabled()) return interrupt();
else return ignore_interrupt();
}
static READ_HANDLER( bankedram_r )
{
if (videobank & 0x01)
{
if (videobank & 0x04)
return paletteram_r(offset + 0x0800);
else
return paletteram_r(offset);
}
else
return ram[offset];
}
static WRITE_HANDLER( bankedram_w )
{
if (videobank & 0x01)
{
if (videobank & 0x04)
paletteram_xBBBBBGGGGGRRRRR_swap_w(offset + 0x0800,data);
else
paletteram_xBBBBBGGGGGRRRRR_swap_w(offset,data);
}
else
ram[offset] = data;
}
static READ_HANDLER( parodius_052109_053245_r )
{
if (videobank & 0x02)
return K053245_r(offset);
else
return K052109_r(offset);
}
static WRITE_HANDLER( parodius_052109_053245_w )
{
if (videobank & 0x02)
K053245_w(offset,data);
else
K052109_w(offset,data);
}
static WRITE_HANDLER( parodius_videobank_w )
{
if (videobank & 0xf8) logerror("%04x: videobank = %02x\n",cpu_get_pc(),data);
/* bit 0 = select palette or work RAM at 0000-07ff */
/* bit 1 = select 052109 or 053245 at 2000-27ff */
/* bit 2 = select palette bank 0 or 1 */
videobank = data;
}
static WRITE_HANDLER( parodius_3fc0_w )
{
if ((data & 0xf4) != 0x10) logerror("%04x: 3fc0 = %02x\n",cpu_get_pc(),data);
/* bit 0/1 = coin counters */
coin_counter_w(0,data & 0x01);
coin_counter_w(1,data & 0x02);
/* bit 3 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line( ( data & 0x08 ) ? ASSERT_LINE : CLEAR_LINE );
/* other bits unknown */
}
static READ_HANDLER( parodius_sound_r )
{
/* If the sound CPU is running, read the status, otherwise
just make it pass the test */
if (Machine->sample_rate != 0) return K053260_r(2 + offset);
else return offset ? 0x00 : 0x80;
}
static WRITE_HANDLER( parodius_sh_irqtrigger_w )
{
cpu_cause_interrupt(1,0xff);
}
static int nmi_enabled;
static void sound_nmi_callback( int param )
{
cpu_set_nmi_line( 1, ( nmi_enabled ) ? CLEAR_LINE : ASSERT_LINE );
nmi_enabled = 0;
}
static void nmi_callback(int param)
{
cpu_set_nmi_line(1,ASSERT_LINE);
}
static WRITE_HANDLER( sound_arm_nmi_w )
{
// sound_nmi_enabled = 1;
cpu_set_nmi_line(1,CLEAR_LINE);
timer_set(TIME_IN_USEC(50),0,nmi_callback); /* kludge until the K053260 is emulated correctly */
}
static READ_HANDLER( speedup_r )
{
int data = memory_region(REGION_CPU1)[0x1837];
if ( cpu_get_pc() == 0xa400 && data == 0 )
cpu_spinuntil_int();
return data;
}
/********************************************/
static struct MemoryReadAddress parodius_readmem[] =
{
{ 0x0000, 0x07ff, bankedram_r },
{ 0x1837, 0x1837, speedup_r },
{ 0x0800, 0x1fff, MRA_RAM },
{ 0x3f8c, 0x3f8c, input_port_0_r },
{ 0x3f8d, 0x3f8d, input_port_1_r },
{ 0x3f8e, 0x3f8e, input_port_4_r },
{ 0x3f8f, 0x3f8f, input_port_2_r },
{ 0x3f90, 0x3f90, input_port_3_r },
{ 0x3fa0, 0x3faf, K053244_r },
{ 0x3fc0, 0x3fc0, watchdog_reset_r },
{ 0x3fcc, 0x3fcd, parodius_sound_r }, /* K053260 */
{ 0x2000, 0x27ff, parodius_052109_053245_r },
{ 0x2000, 0x5fff, K052109_r },
{ 0x6000, 0x9fff, MRA_BANK1 }, /* banked ROM */
{ 0xa000, 0xffff, MRA_ROM }, /* ROM */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress parodius_writemem[] =
{
{ 0x0000, 0x07ff, bankedram_w, &ram },
{ 0x0800, 0x1fff, MWA_RAM },
{ 0x3fa0, 0x3faf, K053244_w },
{ 0x3fb0, 0x3fbf, K053251_w },
{ 0x3fc0, 0x3fc0, parodius_3fc0_w },
{ 0x3fc4, 0x3fc4, parodius_videobank_w },
{ 0x3fc8, 0x3fc8, parodius_sh_irqtrigger_w },
{ 0x3fcc, 0x3fcd, K053260_w },
{ 0x2000, 0x27ff, parodius_052109_053245_w },
{ 0x2000, 0x5fff, K052109_w },
{ 0x6000, 0x9fff, MWA_ROM }, /* banked ROM */
{ 0xa000, 0xffff, MWA_ROM }, /* ROM */
{ -1 } /* end of table */
};
static struct MemoryReadAddress parodius_readmem_sound[] =
{
{ 0x0000, 0xefff, MRA_ROM },
{ 0xf000, 0xf7ff, MRA_RAM },
{ 0xf801, 0xf801, YM2151_status_port_0_r },
{ 0xfc00, 0xfc2f, K053260_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress parodius_writemem_sound[] =
{
{ 0x0000, 0xefff, MWA_ROM },
{ 0xf000, 0xf7ff, MWA_RAM },
{ 0xf800, 0xf800, YM2151_register_port_0_w },
{ 0xf801, 0xf801, YM2151_data_port_0_w },
{ 0xfa00, 0xfa00, sound_arm_nmi_w },
{ 0xfc00, 0xfc2f, K053260_w },
{ -1 } /* end of table */
};
/***************************************************************************
Input Ports
***************************************************************************/
INPUT_PORTS_START( parodius )
PORT_START /* PLAYER 1 INPUTS */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_PLAYER1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_PLAYER1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER1 )
PORT_START /* PLAYER 2 INPUTS */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_PLAYER2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
PORT_START /* DSW #1 */
PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
// PORT_DIPSETTING( 0x00, "No Use" )
PORT_START /* DSW #2 */
PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x03, "2" )
PORT_DIPSETTING( 0x02, "3" )
PORT_DIPSETTING( 0x01, "4" )
PORT_DIPSETTING( 0x00, "7" )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x18, "20000 80000" )
PORT_DIPSETTING( 0x10, "30000 100000" )
PORT_DIPSETTING( 0x08, "20000" )
PORT_DIPSETTING( 0x00, "70000" )
PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x60, "Easy" )
PORT_DIPSETTING( 0x40, "Normal" )
PORT_DIPSETTING( 0x20, "Difficult" )
PORT_DIPSETTING( 0x00, "Very Difficult" )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START /* DSW #3 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Flip_Screen ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, "Upright Controls" )
PORT_DIPSETTING( 0x20, "Single" )
PORT_DIPSETTING( 0x00, "Dual" )
PORT_SERVICE( 0x40, IP_ACTIVE_LOW )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
/***************************************************************************
Machine Driver
***************************************************************************/
static struct YM2151interface ym2151_interface =
{
1, /* 1 chip */
3579545, /* 3.579545 MHz */
{ YM3012_VOL(100,MIXER_PAN_LEFT,100,MIXER_PAN_RIGHT) },
{ 0 },
};
static struct K053260_interface k053260_interface =
{
3579545,
REGION_SOUND1, /* memory region */
{ MIXER(70,MIXER_PAN_LEFT), MIXER(70,MIXER_PAN_RIGHT) },
// sound_nmi_callback
};
static struct MachineDriver machine_driver_parodius =
{
/* basic machine hardware */
{
{
CPU_KONAMI, /* 053248 */
3000000, /* ? */
parodius_readmem,parodius_writemem,0,0,
parodius_interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3579545,
parodius_readmem_sound, parodius_writemem_sound,0,0,
ignore_interrupt,0 /* IRQs are triggered by the main CPU */
/* NMIs are triggered by the 053260 */
}
},
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 */
parodius_init_machine,
/* video hardware */
64*8, 32*8, { 14*8, (64-14)*8-1, 2*8, 30*8-1 },
0, /* gfx decoded by konamiic.c */
2048, 2048,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
parodius_vh_start,
parodius_vh_stop,
parodius_vh_screenrefresh,
/* sound hardware */
SOUND_SUPPORTS_STEREO,0,0,0,
{
{
SOUND_YM2151,
&ym2151_interface
},
{
SOUND_K053260,
&k053260_interface
}
}
};
/***************************************************************************
Game ROMs
***************************************************************************/
ROM_START( parodius )
ROM_REGION( 0x51000, REGION_CPU1 ) /* code + banked roms + palette RAM */
ROM_LOAD( "955e01.bin", 0x10000, 0x20000, 0x49baa334 )
ROM_LOAD( "955e02.bin", 0x30000, 0x18000, 0x14010d6f )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "955e03.bin", 0x0000, 0x10000, 0x940aa356 )
ROM_REGION( 0x100000, REGION_GFX1 ) /* graphics ( don't dispose as the program can read them ) */
ROM_LOAD( "955d07.bin", 0x000000, 0x080000, 0x89473fec ) /* characters */
ROM_LOAD( "955d08.bin", 0x080000, 0x080000, 0x43d5cda1 ) /* characters */
ROM_REGION( 0x100000, REGION_GFX2 ) /* graphics ( don't dispose as the program can read them ) */
ROM_LOAD( "955d05.bin", 0x000000, 0x080000, 0x7a1e55e0 ) /* sprites */
ROM_LOAD( "955d06.bin", 0x080000, 0x080000, 0xf4252875 ) /* sprites */
ROM_REGION( 0x80000, REGION_SOUND1 ) /* 053260 samples */
ROM_LOAD( "955d04.bin", 0x00000, 0x80000, 0xe671491a )
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static void parodius_banking(int lines)
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs = 0;
if (lines & 0xf0) logerror("%04x: setlines %02x\n",cpu_get_pc(),lines);
offs = 0x10000 + (((lines & 0x0f)^0x0f) * 0x4000);
if (offs >= 0x48000) offs -= 0x40000;
cpu_setbank( 1, &RAM[offs] );
}
static void parodius_init_machine( void )
{
unsigned char *RAM = memory_region(REGION_CPU1);
konami_cpu_setlines_callback = parodius_banking;
paletteram = &memory_region(REGION_CPU1)[0x48000];
videobank = 0;
/* init the default bank */
cpu_setbank(1,&RAM[0x10000]);
}
static void init_parodius(void)
{
konami_rom_deinterleave_2(REGION_GFX1);
konami_rom_deinterleave_2(REGION_GFX2);
}
GAME( 1990, parodius, 0, parodius, parodius, parodius, ROT0, "Konami", "Parodius DA! (Japan)" )