/**************************************************************************************
Counter Steer (c) 1985 Data East Corporation
Zero Target (c) 1985 Data East Corporation
Gekitsui Oh (c) 1985 Data East Corporation
Emulation by Bryan McPhail, mish@tendril.co.uk
Improvements by Pierpaolo Prazzoli, David Haywood, Angelo Salese
Various things aren't fully understood, for example the rotating BG layer
todo:
finish
sprite fixes
correct roz rotation
colour fixes for the sprites
Dip-Switches
make cntsteer work, comms looks awkward and probably different than Zero Target
cleanup
split into driver/video
***************************************************************************************/
#include "driver.h"
#include "cpu/m6502/m6502.h"
#include "cpu/m6809/m6809.h"
#include "sound/ay8910.h"
static tilemap *bg_tilemap, *fg_tilemap;
static UINT8 *videoram2;
static int flipscreen=0;
static int bg_bank = 0,bg_color_bank;
static int scrolly = 0, scrollx = 0, scrollx_hi = 0, scrolly_hi = 0, rotation_x = 0, rotation_sign = 0;
static int disable_roz;
static PALETTE_INIT( zerotrgt )
{
int i;
for (i = 0;i < machine->config->total_colors;i++)
{
int bit0,bit1,bit2,r,g,b;
/* red component */
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 2) & 0x01;
g = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
/* green component */
bit0 = (color_prom[i] >> 4) & 0x01;
bit1 = (color_prom[i] >> 5) & 0x01;
bit2 = (color_prom[i] >> 6) & 0x01;
r =/* 255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
/* blue component */
bit0 = (color_prom[i+256] >> 0) & 0x01;
bit1 = (color_prom[i+256] >> 1) & 0x01;
bit2 = (color_prom[i+256] >> 2) & 0x01;
b = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
palette_set_color(machine,i,MAKE_RGB(r,g,b));
}
}
static TILE_GET_INFO( get_bg_tile_info )
{
int code = videoram2[tile_index];
SET_TILE_INFO(2, code + bg_bank, bg_color_bank, 0);
}
static TILE_GET_INFO( get_fg_tile_info )
{
int code = videoram[tile_index];
int attr = colorram[tile_index];
code|= (attr & 0x01)<<8;
SET_TILE_INFO(0, code, 0x30+((attr & 0x78)>>3), 0);
}
static VIDEO_START( zerotrgt )
{
bg_tilemap = tilemap_create(machine, get_bg_tile_info,tilemap_scan_rows, 16,16,64,64);
fg_tilemap = tilemap_create(machine, get_fg_tile_info,tilemap_scan_rows_flip_x,8, 8,32,32);
tilemap_set_transparent_pen(fg_tilemap,0);
tilemap_set_flip(bg_tilemap, TILEMAP_FLIPX|TILEMAP_FLIPY);
}
static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect)
{
int offs;
for (offs = 0;offs < 0x200;offs += 4)
{
int multi,fx,fy,sx,sy,sy2,code,code2,color;
if((spriteram[offs+1] & 1) == 1)
continue;
code = spriteram[offs+3] + ( ( spriteram[offs+1] & 0xc0 ) << 2 );
code2 = code+1;
sx = (spriteram[offs+2]);
sy = 0xf0 - spriteram[offs];
color = 0x10+((spriteram[offs+1] & 0x20) >> 4) + ((spriteram[offs+1] & 0x8)>>3); //trusted.
fx = !(spriteram[offs+1] & 0x04);
fy = (spriteram[offs+1] & 0x02); //check
multi = spriteram[offs+1] & 0x10;
if (flipscreen) {
sy=240-sy;
sx=240-sx;
if (fx) fx=0; else fx=1;
sy2=sy-16;
}
else if (fy && multi)
{
sy2=sy;
sy+=16;
code++;
code2--;
}
else if(multi)
{
sy2=sy;
sy-=16;
}
drawgfx(bitmap,machine->gfx[1],
code,
color,
fx,fy,
sx,sy,
cliprect,TRANSPARENCY_PEN,0);
if (multi)
drawgfx(bitmap,machine->gfx[1],
code2,
color,
fx,fy,
sx,sy2,
cliprect,TRANSPARENCY_PEN,0);
}
}
static VIDEO_UPDATE( zerotrgt )
{
if(disable_roz)
bitmap_fill(bitmap, cliprect, screen->machine->pens[8*bg_color_bank]);
else
{
tilemap_draw_roz(bitmap, cliprect, bg_tilemap,
(scrollx | scrollx_hi ) << 16, (scrolly | scrolly_hi) << 16,
1<<16, (rotation_sign) ? -rotation_x<<8 : rotation_x<<8,
0<<16, 1<<16,
1,
0, 0);
}
draw_sprites(screen->machine,bitmap,cliprect);
tilemap_draw(bitmap,cliprect,fg_tilemap,0,0);
return 0;
}
/*
[0] = scroll y
[1] = scroll x
[2] = -x-- ---- disable roz layer (Used when you lose a life / start a new play)
--xx ---- bg bank
---- -xxx bg color bank
[3] = xx-- ---- high word scrolling x bits
--xx ---- high word scrolling y bits
---- -x-- flip screen bit (inverted)
---- ---x rotation sign (landscape should be turning right (0) == / , turning left (1) == \)
[4] = xxxx xxxx rotation factor?
*/
static WRITE8_HANDLER(cntsteer_vregs_w)
{
// static UINT8 test[5];
// test[offset] = data;
// popmessage("%02x %02x %02x %02x %02x",test[0],test[1],test[2],test[3],test[4]);
switch(offset)
{
case 0: scrolly = data; break;
case 1: scrollx = data; break;
case 2: bg_bank = (data & 0x30) << 4; bg_color_bank = (data & 7); disable_roz = (data & 0x40); tilemap_mark_all_tiles_dirty(bg_tilemap); break;
case 3: rotation_sign = (data & 1); flip_screen_set(space->machine, !(data & 4)); scrolly_hi = (data & 0x30) << 4; scrollx_hi = (data & 0xc0) << 2; break;
case 4: rotation_x = data; break;
}
}
static WRITE8_HANDLER( cntsteer_foreground_vram_w )
{
videoram[offset] = data;
tilemap_mark_tile_dirty(fg_tilemap, offset);
}
static WRITE8_HANDLER( cntsteer_foreground_attr_w )
{
colorram[offset] = data;
tilemap_mark_tile_dirty(fg_tilemap, offset);
}
static WRITE8_HANDLER( cntsteer_background_w )
{
videoram2[offset] = data;
tilemap_mark_tile_dirty(bg_tilemap, offset);
}
/*************************************
*
* CPU comms
*
*************************************/
static WRITE8_HANDLER( gekitsui_sub_irq_ack )
{
cpu_set_input_line(space->machine->cpu[1], M6809_IRQ_LINE, CLEAR_LINE);
}
static WRITE8_HANDLER( cntsteer_sound_w )
{
soundlatch_w(space,0,data);
cpu_set_input_line(space->machine->cpu[2], 0, HOLD_LINE);
}
static WRITE8_HANDLER( zerotrgt_ctrl_w )
{
/*TODO: check this.*/
logerror("CTRL: %04x: %04x: %04x\n",cpu_get_pc(space->cpu),offset,data);
// if (offset==0) cpu_set_input_line(space->machine->cpu[1], INPUT_LINE_RESET, ASSERT_LINE);
// Wrong - bits 0 & 1 used on this
if (offset==1) cpu_set_input_line(space->machine->cpu[1], M6809_IRQ_LINE, ASSERT_LINE);
// if (offset==2) cpu_set_input_line(space->machine->cpu[1], INPUT_LINE_RESET, CLEAR_LINE);
}
/***************************************************************************/
static ADDRESS_MAP_START( gekitsui_cpu1_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1)
AM_RANGE(0x1000, 0x11ff) AM_RAM AM_BASE(&spriteram)
AM_RANGE(0x1200, 0x1fff) AM_RAM
AM_RANGE(0x2000, 0x23ff) AM_RAM_WRITE(cntsteer_foreground_vram_w) AM_BASE(&videoram)
AM_RANGE(0x2400, 0x27ff) AM_RAM_WRITE(cntsteer_foreground_attr_w) AM_BASE(&colorram)
AM_RANGE(0x3000, 0x3003) AM_WRITE(zerotrgt_ctrl_w)
AM_RANGE(0x8000, 0xffff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( gekitsui_cpu2_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1)
AM_RANGE(0x1000, 0x1fff) AM_RAM_WRITE(cntsteer_background_w) AM_BASE(&videoram2)
AM_RANGE(0x3000, 0x3000) AM_READ_PORT("DSW0")
AM_RANGE(0x3001, 0x3001) AM_READ_PORT("P2")
AM_RANGE(0x3002, 0x3002) AM_READ_PORT("P1")
AM_RANGE(0x3003, 0x3003) AM_READ_PORT("COINS")
AM_RANGE(0x3000, 0x3004) AM_WRITE(cntsteer_vregs_w)
AM_RANGE(0x3005, 0x3005) AM_WRITE(gekitsui_sub_irq_ack)
AM_RANGE(0x3007, 0x3007) AM_WRITE(cntsteer_sound_w)
AM_RANGE(0x4000, 0xffff) AM_ROM
ADDRESS_MAP_END
/***************************************************************************/
static int nmimask;
static WRITE8_HANDLER( nmimask_w ) { nmimask = data & 0x80; }
static INTERRUPT_GEN ( sound_interrupt ) { if (!nmimask) cpu_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE); }
static ADDRESS_MAP_START( sound_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x01ff) AM_RAM
// AM_RANGE(0x1000, 0x1000) AM_WRITE(nmiack_w)
AM_RANGE(0x2000, 0x2000) AM_DEVWRITE("ay1", ay8910_data_w)
AM_RANGE(0x4000, 0x4000) AM_DEVWRITE("ay1", ay8910_address_w)
AM_RANGE(0x6000, 0x6000) AM_DEVWRITE("ay2", ay8910_data_w)
AM_RANGE(0x8000, 0x8000) AM_DEVWRITE("ay2", ay8910_address_w)
AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_r)
AM_RANGE(0xd000, 0xd000) AM_WRITE(nmimask_w)
AM_RANGE(0xe000, 0xffff) AM_ROM
ADDRESS_MAP_END
/***************************************************************************/
static INPUT_PORTS_START( zerotrgt )
PORT_START("DSW0")
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2")
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_3C ) )
PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:3,4")
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_3C ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:5")
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x10, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:6")
PORT_DIPSETTING( 0x20, DEF_STR( Normal ) )
PORT_DIPSETTING( 0x00, DEF_STR( Hard ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:7")
PORT_DIPSETTING( 0x40, "3" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:8")
PORT_DIPSETTING( 0x80, "30K only" )
PORT_DIPSETTING( 0x00, "30K and 100K" )
PORT_START("P2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x60, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
PORT_START("COINS")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static INPUT_PORTS_START( cntsteer )
PORT_INCLUDE( zerotrgt )
PORT_MODIFY("DSW0")
PORT_DIPNAME( 0x01, 0x01, "0" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
/***************************************************************************/
/* this layout is bad and reads way beyond the end of the array */
static const gfx_layout cntsteer_charlayout =
{
8,8, /* 8*8 characters */
0x200,
2, /* 2 bits per pixel */
{ 0, 4 }, /* the two bitplanes for 4 pixels are packed into one byte */
{ 0, 1, 2, 3, 0x800*8+0, 0x800*8+1, 0x800*8+2, 0x800*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 consecutive bytes */
};
/* this layout is bad and reads way beyond the end of the array */
static const gfx_layout zerotrgt_charlayout =
{
8,8,
0x200,
2,
{ 0,4 },
{ 0, 1, 2, 3, 1024*8*8+0, 1024*8*8+1, 1024*8*8+2, 1024*8*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every tile takes 32 consecutive bytes */
};
static const gfx_layout sprites =
{
16,16,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
{ 16*8, 1+16*8, 2+16*8, 3+16*8, 4+16*8, 5+16*8, 6+16*8, 7+16*8,
0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 ,8*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 },
16*16
};
static const gfx_layout tilelayout =
{
16,16,
0x400,
3, /* 3 bits per pixel */
{ RGN_FRAC(4,8)+4, 0, 4 },
{ 3, 2, 1, 0, 11, 10, 9 , 8, 19, 18, 17,16, 27, 26, 25, 24 },
{
RGN_FRAC(0,8)+0*8, RGN_FRAC(1,8)+0*8, RGN_FRAC(2,8)+0*8, RGN_FRAC(3,8)+0*8,
RGN_FRAC(0,8)+4*8, RGN_FRAC(1,8)+4*8, RGN_FRAC(2,8)+4*8, RGN_FRAC(3,8)+4*8,
RGN_FRAC(0,8)+8*8, RGN_FRAC(1,8)+8*8, RGN_FRAC(2,8)+8*8, RGN_FRAC(3,8)+8*8,
RGN_FRAC(0,8)+12*8, RGN_FRAC(1,8)+12*8,RGN_FRAC(2,8)+12*8,RGN_FRAC(3,8)+12*8
},
8*16
};
static GFXDECODE_START( cntsteer )
GFXDECODE_ENTRY( "gfx1", 0x00000, cntsteer_charlayout, 0, 256 ) /* Only 1 used so far :/ */
GFXDECODE_ENTRY( "gfx2", 0x00000, sprites, 0, 256 )
GFXDECODE_ENTRY( "gfx3", 0x00000, tilelayout, 0, 256 )
GFXDECODE_END
static GFXDECODE_START( zerotrgt )
GFXDECODE_ENTRY( "gfx1", 0x00000, zerotrgt_charlayout, 0, 256 ) /* Only 1 used so far :/ */
GFXDECODE_ENTRY( "gfx2", 0x00000, sprites, 0, 256 )
GFXDECODE_ENTRY( "gfx3", 0x00000, tilelayout, 0, 256 )
GFXDECODE_END
/***************************************************************************/
static MACHINE_RESET( zerotrgt )
{
nmimask = 0;
}
static MACHINE_DRIVER_START( cntsteer )
MDRV_CPU_ADD("maincpu", M6809, 2000000) /* ? */
MDRV_CPU_PROGRAM_MAP(gekitsui_cpu1_map,0)
MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) /* ? */
MDRV_CPU_ADD("sub", M6809, 2000000) /* ? */
MDRV_CPU_PROGRAM_MAP(gekitsui_cpu2_map,0)
// MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) /* ? */
MDRV_CPU_ADD("audiocpu", M6502, 1500000) /* ? */
MDRV_CPU_PROGRAM_MAP(sound_map,0)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 640)
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(256, 256)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
MDRV_QUANTUM_TIME(HZ(6000))
MDRV_GFXDECODE(cntsteer)
MDRV_PALETTE_LENGTH(256)
// MDRV_PALETTE_INIT(zerotrgt)
MDRV_VIDEO_START(zerotrgt)
MDRV_VIDEO_UPDATE(zerotrgt)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ay1", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MDRV_SOUND_ADD("ay2", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END
static MACHINE_DRIVER_START( zerotrgt )
MDRV_CPU_ADD("maincpu", M6809, 2000000) /* ? */
MDRV_CPU_PROGRAM_MAP(gekitsui_cpu1_map,0)
MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) /* ? */
MDRV_CPU_ADD("sub", M6809, 2000000) /* ? */
MDRV_CPU_PROGRAM_MAP(gekitsui_cpu2_map,0)
// MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) /* ? */
MDRV_CPU_ADD("audiocpu", M6502, 1500000) /* ? */
MDRV_CPU_PROGRAM_MAP(sound_map,0)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 640)
MDRV_QUANTUM_TIME(HZ(6000))
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(256, 256)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
MDRV_MACHINE_RESET(zerotrgt)
MDRV_GFXDECODE(zerotrgt)
MDRV_PALETTE_LENGTH(256)
MDRV_PALETTE_INIT(zerotrgt)
MDRV_VIDEO_START(zerotrgt)
MDRV_VIDEO_UPDATE(zerotrgt)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ay1", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MDRV_SOUND_ADD("ay2", AY8910, 1500000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END
/***************************************************************************/
ROM_START( cntsteer )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "by02", 0x8000, 0x4000, CRC(b6fdd7fd) SHA1(e54cc31628966f747f9ccbf9db1017ed1eee0d5d) )
ROM_LOAD( "by01", 0xc000, 0x4000, CRC(932423a5) SHA1(0d8164359a79ae554328dfb4d729a8d07de7ee75) )
ROM_REGION( 0x10000, "sub", 0 )
ROM_LOAD( "by12", 0x4000, 0x4000, CRC(278e7fed) SHA1(5def4c8919a507c64045c57de2da65e1d39e1185) )
ROM_LOAD( "by11", 0x8000, 0x4000, CRC(00624e34) SHA1(27bd472e9f2feef4a2c4753d8b0da26ff30d930d) )
ROM_LOAD( "by10", 0xc000, 0x4000, CRC(9227a9ce) SHA1(8c86f22f90a3a8853562469037ffa06693045f4c) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "by00", 0xe000, 0x2000, CRC(740e4896) SHA1(959652515188966e1c2810eabf2f428fe31a31a9) )
ROM_REGION( 0x4000, "gfx1", ROMREGION_DISPOSE ) /* Characters */
ROM_LOAD( "by09", 0x0000, 0x2000, CRC(273eddae) SHA1(4b5450407217d9110acb85e02ea9a6584552362e) )
ROM_REGION( 0x18000, "gfx2", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "by03", 0x00000, 0x4000, CRC(d9537d33) SHA1(7d2af2eb0386ce695f2d9c7b71a72d2d8ef257e7) )
ROM_LOAD( "by04", 0x04000, 0x4000, CRC(4f4e9d6f) SHA1(b590aeb5efa2afa50ef202191a88bcf6894f4b8e) )
ROM_LOAD( "by05", 0x08000, 0x4000, CRC(592481a7) SHA1(2d412d525b04ed228a345918129b25a13286d957) )
ROM_LOAD( "by06", 0x0c000, 0x4000, CRC(9366e9d5) SHA1(a6a137416eaee3becae657c287fff7d974bcf68f) )
ROM_LOAD( "by07", 0x10000, 0x4000, CRC(8321e332) SHA1(a7aed12cb718526b0a1c5b4ae069c7973600204d) )
ROM_LOAD( "by08", 0x14000, 0x4000, CRC(a24bcfef) SHA1(b4f06dfb85960668ca199cfb1b6c56ccdad9e33d) )
ROM_REGION( 0x80000, "gfx3", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "by13", 0x00000, 0x4000, CRC(d38e94fd) SHA1(bcf61b2c509f923ef2e52051a1c0e0a63bedf7a3) )
ROM_LOAD( "by15", 0x10000, 0x4000, CRC(b0c9de83) SHA1(b0041273fe968667a09c243d393b2b025c456c99) )
ROM_LOAD( "by17", 0x20000, 0x4000, CRC(8aff285f) SHA1(d40332448e7fb20389ac18661569726f229bd9d6) )
ROM_LOAD( "by19", 0x30000, 0x4000, CRC(7eff6d02) SHA1(967ab34bb969228689541c0a2eabd3e96665676d) )
/* roms from "gfx4" are expanded here */
ROM_REGION( 0x40000, "gfx4", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "by14", 0x00000, 0x2000, CRC(4db6c146) SHA1(93d157f4c4ffa2d7b4c0b33fedabd6d750245033) )
ROM_LOAD( "by16", 0x10000, 0x2000, CRC(adede1e6) SHA1(87e0323b6d2f2d8a3585cd78c9dc9d384106b005) )
ROM_LOAD( "by18", 0x20000, 0x2000, CRC(1e9ce047) SHA1(7579ba6b401eb1bfc7d2d9311ebab623bd1095a2) )
ROM_LOAD( "by20", 0x30000, 0x2000, CRC(e2198c9e) SHA1(afea262db9154301f4b9e53e1fc91985dd934170) )
ROM_REGION( 0x200, "proms", ROMREGION_ERASE00 )
ROM_LOAD( "mb7118h.7k", 0x0000, 0x100, NO_DUMP )
ROM_LOAD( "mb7052.6k", 0x0100, 0x100, NO_DUMP )
ROM_END
ROM_START( zerotrgt )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "ct01-s.4c", 0x8000, 0x8000, CRC(b35a16cb) SHA1(49581324c3e3d5219f0512d08a40161185368b10) )
ROM_REGION( 0x10000, "sub", 0 )
ROM_LOAD( "ct08.16a", 0x4000, 0x4000, CRC(7e8db408) SHA1(2ae407d15645753a2a0d691c9f1cf1eb383d3e8a) )
ROM_LOAD( "cty07.14a", 0x8000, 0x4000, CRC(119b6211) SHA1(2042f06387d34fad6b63bcb8ac6f9b06377f634d) )
ROM_LOAD( "ct06.13a", 0xc000, 0x4000, CRC(bce5adad) SHA1(86c4eef0d68679a24bab6460b49640a498f32ecd) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "ct00.1c", 0xe000, 0x2000, CRC(ae091b6c) SHA1(8b3a1c0acbfa56f05bcf65677f85d70c8c9640d6) )
ROM_REGION( 0x04000, "gfx1", ROMREGION_DISPOSE ) /* Characters */
ROM_LOAD( "ct05.16h", 0x00000, 0x4000, CRC(e7a24404) SHA1(a8a33118d4f09b77cfd7e6e9f486b250078b21bc) )
ROM_REGION( 0x18000, "gfx2", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "ct02.14c", 0x00000, 0x8000, CRC(d2a0bb72) SHA1(ee060f8db0b1fa1ba1034bf94cf44ff6820660bd) )
ROM_LOAD( "ct03.15c", 0x08000, 0x8000, CRC(79f2be20) SHA1(62cf55d9163d522b7cb0e760f0d5662c529a22e9) )
ROM_LOAD( "ct04.17c", 0x10000, 0x8000, CRC(1037cce8) SHA1(11e49e29f9b60fbf36a301a566f233eb6150d519) )
ROM_REGION( 0x80000, "gfx3", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "ct09.4j", 0x00000, 0x4000, CRC(8c859d41) SHA1(8095e83de81d2c9f270a303322ddf84568e3d37a) )
ROM_LOAD( "ct11.7j", 0x10000, 0x4000, CRC(5da2d9d8) SHA1(d2cfdbf892bce3667545568998aa03bfd03155c5) )
ROM_LOAD( "ct13.10j", 0x20000, 0x4000, CRC(b004cedd) SHA1(2a503ea14c66805b37f25096ecfec19a07cdc387) )
ROM_LOAD( "ct15.13j", 0x30000, 0x4000, CRC(4473fe66) SHA1(0accbcb801f58df410af305a87a960e526f8a25a) )
/* roms from "gfx4" are expanded here */
ROM_REGION( 0x40000, "gfx4", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "ct10.6j", 0x00000, 0x2000, CRC(16073975) SHA1(124128db649116d675503b03310ebbd919d5a837) )
ROM_LOAD( "ct12.9j", 0x10000, 0x2000, CRC(9776974e) SHA1(7e944379c3ff3211c84bd4b48cebbd52c586ff88) )
ROM_LOAD( "ct14.12j", 0x20000, 0x2000, CRC(5f77e84d) SHA1(ef7a53ad40ef5d3b7ceecb174099b8f2adfda92e) )
ROM_LOAD( "ct16.15j", 0x30000, 0x2000, CRC(ebed04d3) SHA1(df5484ab44ddf91fddbb895606875b6733b03a51) )
ROM_REGION( 0x200, "proms", 0 )
ROM_LOAD( "mb7118h.7k", 0x0000, 0x100, CRC(4a7c187a) SHA1(2463ed582b77252a798b946cc831c4edd6e6b31f) )
ROM_LOAD( "mb7052.6k", 0x0100, 0x100, CRC(cc9c7d43) SHA1(707fcc9579bae4233903142efa7dfee7d463ae9a) )
ROM_REGION( 0x0300, "plds", ROMREGION_DISPOSE )
ROM_LOAD( "pal10h8.12f", 0x0000, 0x002c, CRC(173f9798) SHA1(8b0b0314d25a70e098df5d93191669738d3e57af) )
ROM_LOAD( "pal10h8.14e", 0x0100, 0x002c, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "pal12l6.17f", 0x0200, 0x0034, CRC(29b7e869) SHA1(85bdb6872d148c393c4cd98872b4920444394620) )
ROM_END
ROM_START( gekitsui )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "ct01", 0x8000, 0x8000, CRC(d3d82d8d) SHA1(c175c626d4cb89a2d82740c04892092db6faf616) )
ROM_REGION( 0x10000, "sub", 0 )
ROM_LOAD( "ct08.16a", 0x4000, 0x4000, CRC(7e8db408) SHA1(2ae407d15645753a2a0d691c9f1cf1eb383d3e8a) )
ROM_LOAD( "cty07.14a", 0x8000, 0x4000, CRC(119b6211) SHA1(2042f06387d34fad6b63bcb8ac6f9b06377f634d) )
ROM_LOAD( "ct06.13a", 0xc000, 0x4000, CRC(bce5adad) SHA1(86c4eef0d68679a24bab6460b49640a498f32ecd) )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "ct00.1c", 0xe000, 0x2000, CRC(ae091b6c) SHA1(8b3a1c0acbfa56f05bcf65677f85d70c8c9640d6) )
ROM_REGION( 0x04000, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "ct05", 0x00000, 0x4000, CRC(b9e997a1) SHA1(5891cb0984bf4a1ccd80ef338c47e3d5705a1331) ) /* Characters */
ROM_REGION( 0x18000, "gfx2", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "ct02.14c", 0x00000, 0x8000, CRC(d2a0bb72) SHA1(ee060f8db0b1fa1ba1034bf94cf44ff6820660bd) )
ROM_LOAD( "ct03.15c", 0x08000, 0x8000, CRC(79f2be20) SHA1(62cf55d9163d522b7cb0e760f0d5662c529a22e9) )
ROM_LOAD( "ct04.17c", 0x10000, 0x8000, CRC(1037cce8) SHA1(11e49e29f9b60fbf36a301a566f233eb6150d519) )
ROM_REGION( 0x80000, "gfx3", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "ct09.4j", 0x00000, 0x4000, CRC(8c859d41) SHA1(8095e83de81d2c9f270a303322ddf84568e3d37a) )
ROM_LOAD( "ct11.7j", 0x10000, 0x4000, CRC(5da2d9d8) SHA1(d2cfdbf892bce3667545568998aa03bfd03155c5) )
ROM_LOAD( "ct13.10j", 0x20000, 0x4000, CRC(b004cedd) SHA1(2a503ea14c66805b37f25096ecfec19a07cdc387) )
ROM_LOAD( "ct15.13j", 0x30000, 0x4000, CRC(4473fe66) SHA1(0accbcb801f58df410af305a87a960e526f8a25a) )
/* roms from "gfx4" are expanded here */
ROM_REGION( 0x40000, "gfx4", ROMREGION_DISPOSE ) /* Tiles */
ROM_LOAD( "ct10.6j", 0x00000, 0x2000, CRC(16073975) SHA1(124128db649116d675503b03310ebbd919d5a837) )
ROM_LOAD( "ct12.9j", 0x10000, 0x2000, CRC(9776974e) SHA1(7e944379c3ff3211c84bd4b48cebbd52c586ff88) )
ROM_LOAD( "ct14.12j", 0x20000, 0x2000, CRC(5f77e84d) SHA1(ef7a53ad40ef5d3b7ceecb174099b8f2adfda92e) )
ROM_LOAD( "ct16.15j", 0x30000, 0x2000, CRC(ebed04d3) SHA1(df5484ab44ddf91fddbb895606875b6733b03a51) )
ROM_REGION( 0x200, "proms", 0 )
ROM_LOAD( "mb7118h.7k", 0x0000, 0x100, CRC(4a7c187a) SHA1(2463ed582b77252a798b946cc831c4edd6e6b31f) )
ROM_LOAD( "mb7052.6k", 0x0100, 0x100, CRC(cc9c7d43) SHA1(707fcc9579bae4233903142efa7dfee7d463ae9a) )
ROM_REGION( 0x0300, "plds", ROMREGION_DISPOSE )
ROM_LOAD( "pal10h8.12f", 0x0000, 0x002c, CRC(173f9798) SHA1(8b0b0314d25a70e098df5d93191669738d3e57af) )
ROM_LOAD( "pal10h8.14e", 0x0100, 0x002c, NO_DUMP ) /* PAL is read protected */
ROM_LOAD( "pal12l6.17f", 0x0200, 0x0034, CRC(29b7e869) SHA1(85bdb6872d148c393c4cd98872b4920444394620) )
ROM_END
/***************************************************************************/
static void zerotrgt_rearrange_gfx(running_machine *machine, int romsize, int romarea)
{
UINT8 *src = memory_region(machine, "gfx4");
UINT8 *dst = memory_region(machine, "gfx3");
int rm;
int cnt1;
dst += romarea * 4;
for (rm = 0; rm < 4; rm++)
{
for (cnt1 = 0; cnt1 < romsize; cnt1++)
{
dst[rm*romarea+cnt1] = (src[rm*romarea+cnt1] & 0x0f);
dst[rm*romarea+cnt1+romsize] = (src[rm*romarea+cnt1] & 0xf0) >> 4;
}
}
}
#if 0
static void init_cntsteer(void)
{
UINT8 *RAM = memory_region(machine, "sub");
RAM[0xc2cf]=0x43; /* Patch out Cpu 1 ram test - it never ends..?! */
RAM[0xc2d0]=0x43;
RAM[0xc2f1]=0x43;
RAM[0xc2f2]=0x43;
zerotrgt_rearrange_gfx(machine, 0x02000, 0x10000);
}
#endif
static DRIVER_INIT( zerotrgt )
{
zerotrgt_rearrange_gfx(machine, 0x02000, 0x10000);
}
/***************************************************************************/
GAME( 1985, cntsteer, 0, cntsteer, cntsteer, zerotrgt, ROT90, "Data East Corporation", "Counter Steer", GAME_IMPERFECT_GRAPHICS|GAME_NOT_WORKING )
GAME( 1985, zerotrgt, 0, zerotrgt, zerotrgt, zerotrgt, ROT0, "Data East Corporation", "Zero Target (World)", GAME_IMPERFECT_GRAPHICS|GAME_NOT_WORKING )
GAME( 1985, gekitsui, zerotrgt, zerotrgt, zerotrgt, zerotrgt, ROT0, "Data East Corporation", "Gekitsui Oh (Japan)", GAME_IMPERFECT_GRAPHICS|GAME_NOT_WORKING )