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nova2001.c
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C/C++ Source or Header
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2000-05-04
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10KB
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288 lines
/*******************************************************************************
Nova 2001 - by UPL - 1983
driver by Howie Cohen, Frank Palazzolo, Alex Pasadyn
Memory Map:
Address Range: R/W: Function:
--------------------------------------------------------------------------
0000 - 7fff R Program ROM (7000-7fff mirror of 6000-6fff)
a000 - a3ff R/W Foreground Playfield character RAM
a400 - a7ff R/W Foreground Playfield color modifier RAM
a800 - abff R/W Scrolling Playfield character RAM
ac00 - a7ff R/W Scrolling Playfield color modifier RAM
b000 - b7ff R/W Sprite RAM
bfff W flip screen
c000 R/W AY8910 #1 Data R/W
c001 R/W AY8910 #2 Data R/W
c002 W AY8910 #1 Control W
c003 W AY8910 #2 Control W
c004 R Interrupt acknowledge / Watchdog reset
c006 R Player 1 Controls
c007 R Player 2 Controls
c00e R Coin Inputs, etc.
e000 - e7ff R/W Work RAM
*******************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
/* From vidhrdw/nova2001.c */
extern unsigned char *nova2001_videoram,*nova2001_colorram;
extern size_t nova2001_videoram_size;
void nova2001_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
WRITE_HANDLER( nova2001_scroll_x_w );
WRITE_HANDLER( nova2001_scroll_y_w );
WRITE_HANDLER( nova2001_flipscreen_w );
void nova2001_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0xa000, 0xb7ff, MRA_RAM },
{ 0xc000, 0xc000, AY8910_read_port_0_r },
{ 0xc001, 0xc001, AY8910_read_port_1_r },
{ 0xc004, 0xc004, watchdog_reset_r },
{ 0xc006, 0xc006, input_port_0_r },
{ 0xc007, 0xc007, input_port_1_r },
{ 0xc00e, 0xc00e, input_port_2_r },
{ 0xe000, 0xe7ff, MRA_RAM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0xa000, 0xa3ff, MWA_RAM, &nova2001_videoram, &nova2001_videoram_size },
{ 0xa400, 0xa7ff, MWA_RAM, &nova2001_colorram },
{ 0xa800, 0xabff, videoram_w, &videoram, &videoram_size },
{ 0xac00, 0xafff, colorram_w, &colorram },
{ 0xb000, 0xb7ff, MWA_RAM, &spriteram, &spriteram_size },
{ 0xbfff, 0xbfff, nova2001_flipscreen_w },
{ 0xc000, 0xc000, AY8910_write_port_0_w },
{ 0xc001, 0xc001, AY8910_write_port_1_w },
{ 0xc002, 0xc002, AY8910_control_port_0_w },
{ 0xc003, 0xc003, AY8910_control_port_1_w },
{ 0xe000, 0xe7ff, MWA_RAM },
{ -1 } /* end of table */
};
INPUT_PORTS_START( nova2001 )
PORT_START
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
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_UNKNOWN )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_START /* player 2 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | 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_UNKNOWN )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_START
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
PORT_START /* dsw0 */
PORT_DIPNAME( 0x01, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x01, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x02, "3" )
PORT_DIPSETTING( 0x00, "4" )
PORT_DIPNAME( 0x04, 0x04, "1st Bonus Life" )
PORT_DIPSETTING( 0x04, "20000" )
PORT_DIPSETTING( 0x00, "30000" )
PORT_DIPNAME( 0x18, 0x18, "Extra Bonus Life" )
PORT_DIPSETTING( 0x18, "60000" )
PORT_DIPSETTING( 0x10, "70000" )
PORT_DIPSETTING( 0x08, "90000" )
PORT_DIPSETTING( 0x00, "None" )
PORT_DIPNAME( 0x60, 0x60, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_2C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START /* dsw1 */
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x03, "Medium" )
PORT_DIPSETTING( 0x02, "Hard" )
PORT_DIPSETTING( 0x01, "Hardest" )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, "High Score Names" )
PORT_DIPSETTING( 0x00, "3 Letters" )
PORT_DIPSETTING( 0x08, "8 Letters" )
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_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
4, /* 4 bits per pixel */
{0,1,2,3 }, /* the bitplanes are packed in one nibble */
{0, 4, 8192*8+0, 8192*8+4, 8, 12, 8192*8+8, 8192*8+12},
{16*0, 16*1, 16*2, 16*3, 16*4, 16*5, 16*6, 16*7},
8*16
};
static struct GfxLayout spritelayout =
{
16,16, /* 16*16 characters */
64, /* 64 sprites */
4, /* 4 bits per pixel */
{0,1,2,3}, /* the bitplanes are packed in one nibble */
{0, 4, 8192*8+0, 8192*8+4, 8, 12, 8192*8+8, 8192*8+12,
16*8+0, 16*8+4, 16*8+8192*8+0, 16*8+8192*8+4, 16*8+8, 16*8+12, 16*8+8192*8+8, 16*8+8192*8+12},
{16*0, 16*1, 16*2, 16*3, 16*4, 16*5, 16*6, 16*7,
32*8+16*0, 32*8+16*1, 32*8+16*2, 32*8+16*3, 32*8+16*4, 32*8+16*5, 32*8+16*6, 32*8+16*7},
8*64
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0x0000, &charlayout, 0, 16 },
{ REGION_GFX2, 0x0000, &charlayout, 16*16, 16 },
{ REGION_GFX1, 0x1000, &spritelayout, 0, 16 },
{ REGION_GFX2, 0x1000, &spritelayout, 0, 16 },
{ -1 } /* end of array */
};
static struct AY8910interface ay8910_interface =
{
2, /* 2 chips */
6000000/3, /* 2 MHz */
{ 25, 25 },
{ 0, input_port_3_r },
{ 0, input_port_4_r },
{ nova2001_scroll_x_w }, /* writes are connected to pf scroll */
{ nova2001_scroll_y_w },
{ 0 }
};
static struct MachineDriver machine_driver_nova2001 =
{
{
{
CPU_Z80,
3000000, /* 3 MHz */
readmem,writemem,0,0,
interrupt,1
}
},
60, DEFAULT_REAL_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* single CPU, no need for interleaving */
0,
32*8, 32*8, { 0*8, 32*8-1, 4*8, 28*8-1 },
gfxdecodeinfo,
32,32*16,
nova2001_vh_convert_color_prom,
VIDEO_TYPE_RASTER,
0,
generic_vh_start,
generic_vh_stop,
nova2001_vh_screenrefresh,
0,0,0,0,
{
{
SOUND_AY8910,
&ay8910_interface
}
}
};
ROM_START( nova2001 )
ROM_REGION( 0x10000, REGION_CPU1 )
ROM_LOAD( "1.6c", 0x0000, 0x2000, 0x368cffc0 )
ROM_LOAD( "2.6d", 0x2000, 0x2000, 0xbc4e442b )
ROM_LOAD( "3.6f", 0x4000, 0x2000, 0xb2849038 )
ROM_LOAD( "4.6g", 0x6000, 0x1000, 0x6b5bb12d )
ROM_RELOAD( 0x7000, 0x1000 )
ROM_REGION( 0x4000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "5.12s", 0x0000, 0x2000, 0x54198941 )
ROM_LOAD( "6.12p", 0x2000, 0x2000, 0xcbd90dca )
ROM_REGION( 0x4000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "7.12n", 0x0000, 0x2000, 0x9ebd8806 )
ROM_LOAD( "8.12l", 0x2000, 0x2000, 0xd1b18389 )
ROM_REGION( 0x0020, REGION_PROMS )
ROM_LOAD( "nova2001.clr", 0x0000, 0x0020, 0xa2fac5cd )
ROM_END
ROM_START( nov2001u )
ROM_REGION( 0x10000, REGION_CPU1 )
ROM_LOAD( "nova2001.1", 0x0000, 0x2000, 0xb79461bd )
ROM_LOAD( "nova2001.2", 0x2000, 0x2000, 0xfab87144 )
ROM_LOAD( "3.6f", 0x4000, 0x2000, 0xb2849038 )
ROM_LOAD( "4.6g", 0x6000, 0x1000, 0x6b5bb12d )
ROM_RELOAD( 0x7000, 0x1000 )
ROM_REGION( 0x4000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "nova2001.5", 0x0000, 0x2000, 0x8ea576e8 )
ROM_LOAD( "nova2001.6", 0x2000, 0x2000, 0x0c61656c )
ROM_REGION( 0x4000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "7.12n", 0x0000, 0x2000, 0x9ebd8806 )
ROM_LOAD( "8.12l", 0x2000, 0x2000, 0xd1b18389 )
ROM_REGION( 0x0020, REGION_PROMS )
ROM_LOAD( "nova2001.clr", 0x0000, 0x0020, 0xa2fac5cd )
ROM_END
GAME( 1983, nova2001, 0, nova2001, nova2001, 0, ROT0, "UPL", "Nova 2001 (Japan)" )
GAME( 1983, nov2001u, nova2001, nova2001, nova2001, 0, ROT0, "UPL (Universal license)", "Nova 2001 (US)" )