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Diffstat (limited to 'src/mame/drivers/spdodgeb.c')
-rw-r--r--src/mame/drivers/spdodgeb.c604
1 files changed, 604 insertions, 0 deletions
diff --git a/src/mame/drivers/spdodgeb.c b/src/mame/drivers/spdodgeb.c
new file mode 100644
index 00000000000..0ac42fc995a
--- /dev/null
+++ b/src/mame/drivers/spdodgeb.c
@@ -0,0 +1,604 @@
+/***************************************************************************
+
+Super Dodgeball / Nekketsu Koukou Dodgeball Bu
+
+briver by Paul Hampson and Nicola Salmoria
+
+TODO:
+- sprite lag (the real game has quite a bit of lag too)
+- double-tap tolerance (find a way to dump + emulate MCU?)
+
+Notes:
+- there's probably a 63701 on the board, used for protection. It is checked
+ on startup and then just used to read the input ports. It doesn't return
+ the ports verbatim, it adds further processing, setting flags when the
+ player double-taps in one direction to run.(updated to edge-triggering)
+
+- video timing is probably similar to Double Dragon and other Technos games
+ of that era. The rowscroll of the title bar is done with raster IRQs, I've
+ removed the 'scroll value buffer' hack that the driver was using before and
+ used partial updates instead. (DH, 29 Sept 07)
+
+***************************************************************************/
+
+#include "driver.h"
+#include "cpu/m6809/m6809.h"
+#include "sound/3812intf.h"
+#include "sound/msm5205.h"
+
+extern UINT8 *spdodgeb_videoram;
+
+PALETTE_INIT( spdodgeb );
+VIDEO_START( spdodgeb );
+VIDEO_UPDATE( spdodgeb );
+INTERRUPT_GEN( spdodgeb_interrupt );
+WRITE8_HANDLER( spdodgeb_scrollx_lo_w );
+WRITE8_HANDLER( spdodgeb_ctrl_w );
+WRITE8_HANDLER( spdodgeb_videoram_w );
+
+
+/* private globals */
+static int toggle=0;//, soundcode = 0;
+static int adpcm_pos[2],adpcm_end[2],adpcm_idle[2];
+/* end of private globals */
+
+
+static WRITE8_HANDLER( sound_command_w )
+{
+ soundlatch_w(offset,data);
+ cpunum_set_input_line(1,M6809_IRQ_LINE,HOLD_LINE);
+}
+
+static WRITE8_HANDLER( spd_adpcm_w )
+{
+ int chip = offset & 1;
+
+ switch (offset/2)
+ {
+ case 3:
+ adpcm_idle[chip] = 1;
+ MSM5205_reset_w(chip,1);
+ break;
+
+ case 2:
+ adpcm_pos[chip] = (data & 0x7f) * 0x200;
+ break;
+
+ case 1:
+ adpcm_end[chip] = (data & 0x7f) * 0x200;
+ break;
+
+ case 0:
+ adpcm_idle[chip] = 0;
+ MSM5205_reset_w(chip,0);
+ break;
+ }
+}
+
+static void spd_adpcm_int(int chip)
+{
+ static int adpcm_data[2] = { -1, -1 };
+
+ if (adpcm_pos[chip] >= adpcm_end[chip] || adpcm_pos[chip] >= 0x10000)
+ {
+ adpcm_idle[chip] = 1;
+ MSM5205_reset_w(chip,1);
+ }
+ else if (adpcm_data[chip] != -1)
+ {
+ MSM5205_data_w(chip,adpcm_data[chip] & 0x0f);
+ adpcm_data[chip] = -1;
+ }
+ else
+ {
+ UINT8 *ROM = memory_region(REGION_SOUND1) + 0x10000 * chip;
+
+ adpcm_data[chip] = ROM[adpcm_pos[chip]++];
+ MSM5205_data_w(chip,adpcm_data[chip] >> 4);
+ }
+}
+
+
+static int mcu63701_command;
+static int inputs[4];
+
+#if 0 // default - more sensitive (state change and timing measured on real board?)
+static void mcu63705_update_inputs(void)
+{
+ static int running[2],jumped[2];
+ int buttons[2];
+ int p,j;
+
+ /* update running state */
+ for (p = 0;p <= 1;p++)
+ {
+ static int prev[2][2],countup[2][2],countdown[2][2];
+ int curr[2][2];
+
+ curr[p][0] = readinputport(2+p) & 0x01;
+ curr[p][1] = readinputport(2+p) & 0x02;
+
+ for (j = 0;j <= 1;j++)
+ {
+ if (curr[p][j] == 0)
+ {
+ if (prev[p][j] != 0)
+ countup[p][j] = 0;
+ if (curr[p][j^1])
+ countup[p][j] = 100;
+ countup[p][j]++;
+ running[p] &= ~(1 << j);
+ }
+ else
+ {
+ if (prev[p][j] == 0)
+ {
+ if (countup[p][j] < 10 && countdown[p][j] < 5)
+ running[p] |= 1 << j;
+ countdown[p][j] = 0;
+ }
+ countdown[p][j]++;
+ }
+ }
+
+ prev[p][0] = curr[p][0];
+ prev[p][1] = curr[p][1];
+ }
+
+ /* update jumping and buttons state */
+ for (p = 0;p <= 1;p++)
+ {
+ static int prev[2];
+ int curr[2];
+
+ curr[p] = readinputport(2+p) & 0x30;
+
+ if (jumped[p]) buttons[p] = 0; /* jump only momentarily flips the buttons */
+ else buttons[p] = curr[p];
+
+ if (buttons[p] == 0x30) jumped[p] = 1;
+ if (curr[p] == 0x00) jumped[p] = 0;
+
+ prev[p] = curr[p];
+ }
+
+ inputs[0] = readinputport(2) & 0xcf;
+ inputs[1] = readinputport(3) & 0x0f;
+ inputs[2] = running[0] | buttons[0];
+ inputs[3] = running[1] | buttons[1];
+}
+#else // alternate - less sensitive
+static void mcu63705_update_inputs(void)
+{
+#define DBLTAP_TOLERANCE 5
+
+#define R 0x01
+#define L 0x02
+#define A 0x10
+#define D 0x20
+
+ static UINT8 tapc[4] = {0,0,0,0}; // R1, R2, L1, L2
+ static UINT8 last_port[2] = {0,0};
+ static UINT8 last_dash[2] = {0,0};
+ UINT8 curr_port[2];
+ UINT8 curr_dash[2];
+ int p;
+
+ for (p=0; p<=1; p++)
+ {
+ curr_port[p] = readinputport(p+2);
+ curr_dash[p] = 0;
+
+ if (curr_port[p] & R)
+ {
+ if (!(last_port[p] & R))
+ {
+ if (tapc[p]) curr_dash[p] |= R; else tapc[p] = DBLTAP_TOLERANCE;
+ }
+ else if (last_dash[p] & R) curr_dash[p] |= R;
+ }
+ else if (curr_port[p] & L)
+ {
+ if (!(last_port[p] & L))
+ {
+ if (tapc[p+2]) curr_dash[p] |= L; else tapc[p+2] = DBLTAP_TOLERANCE;
+ }
+ else if (last_dash[p] & L) curr_dash[p] |= L;
+ }
+
+ if (curr_port[p] & A && !(last_port[p] & A)) curr_dash[p] |= A;
+ if (curr_port[p] & D && !(last_port[p] & D)) curr_dash[p] |= D;
+
+ last_port[p] = curr_port[p];
+ last_dash[p] = curr_dash[p];
+
+ if (tapc[p ]) tapc[p ]--;
+ if (tapc[p+2]) tapc[p+2]--;
+ }
+
+ inputs[0] = curr_port[0] & 0xcf;
+ inputs[1] = curr_port[1] & 0x0f;
+ inputs[2] = curr_dash[0];
+ inputs[3] = curr_dash[1];
+
+#undef DBLTAP_TOLERANCE
+#undef R
+#undef L
+#undef A
+#undef D
+}
+#endif
+
+static READ8_HANDLER( mcu63701_r )
+{
+// logerror("CPU #0 PC %04x: read from port %02x of 63701 data address 3801\n",activecpu_get_pc(),offset);
+
+ if (mcu63701_command == 0) return 0x6a;
+ else switch (offset)
+ {
+ default:
+ case 0: return inputs[0];
+ case 1: return inputs[1];
+ case 2: return inputs[2];
+ case 3: return inputs[3];
+ case 4: return readinputport(4);
+ }
+}
+
+static WRITE8_HANDLER( mcu63701_w )
+{
+// logerror("CPU #0 PC %04x: write %02x to 63701 control address 3800\n",activecpu_get_pc(),data);
+ mcu63701_command = data;
+ mcu63705_update_inputs();
+}
+
+
+static READ8_HANDLER( port_0_r )
+{
+ int port = readinputport(0);
+
+ toggle^=0x02; /* mcu63701_busy flag */
+
+ return (port | toggle);
+}
+
+
+
+static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x2000, 0x2fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x3000, 0x3000) AM_READ(port_0_r)
+ AM_RANGE(0x3001, 0x3001) AM_READ(input_port_1_r) /* DIPs */
+ AM_RANGE(0x3801, 0x3805) AM_READ(mcu63701_r)
+ AM_RANGE(0x4000, 0x7fff) AM_READ(MRA8_BANK1)
+ AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x1000, 0x10ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
+ AM_RANGE(0x2000, 0x2fff) AM_WRITE(spdodgeb_videoram_w) AM_BASE(&spdodgeb_videoram)
+// AM_RANGE(0x3000, 0x3000) AM_WRITE(MWA8_RAM)
+// AM_RANGE(0x3001, 0x3001) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x3002, 0x3002) AM_WRITE(sound_command_w)
+// AM_RANGE(0x3003, 0x3003) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x3004, 0x3004) AM_WRITE(spdodgeb_scrollx_lo_w)
+// AM_RANGE(0x3005, 0x3005) AM_WRITE(MWA8_RAM) /* mcu63701_output_w */
+ AM_RANGE(0x3006, 0x3006) AM_WRITE(spdodgeb_ctrl_w) /* scroll hi, flip screen, bank switch, palette select */
+ AM_RANGE(0x3800, 0x3800) AM_WRITE(mcu63701_w)
+ AM_RANGE(0x4000, 0xffff) AM_WRITE(MWA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x1000, 0x1000) AM_READ(soundlatch_r)
+ AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x2800, 0x2800) AM_WRITE(YM3812_control_port_0_w)
+ AM_RANGE(0x2801, 0x2801) AM_WRITE(YM3812_write_port_0_w)
+ AM_RANGE(0x3800, 0x3807) AM_WRITE(spd_adpcm_w)
+ AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( spdodgeb )
+ PORT_START
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_VBLANK )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* mcu63701_busy flag */
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Easy ))
+ PORT_DIPSETTING( 0xc0, DEF_STR( Normal ))
+ PORT_DIPSETTING( 0x40, DEF_STR( Hard ))
+ PORT_DIPSETTING( 0x00, DEF_STR( Very_Hard ))
+
+ PORT_START
+ PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 1C_5C ) )
+ PORT_DIPNAME( 0x38, 0x38, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x38, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( 1C_5C ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+
+ PORT_START
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_START2 )
+
+ PORT_START
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+
+ PORT_START
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Allow_Continue ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
+INPUT_PORTS_END
+
+
+
+static const gfx_layout charlayout =
+{
+ 8,8,
+ RGN_FRAC(1,1),
+ 4,
+ { 0, 2, 4, 6 },
+ { 1, 0, 64+1, 64+0, 128+1, 128+0, 192+1, 192+0 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 32*8
+};
+
+static const gfx_layout spritelayout =
+{
+ 16,16,
+ RGN_FRAC(1,2),
+ 4,
+ { RGN_FRAC(1,2)+0, RGN_FRAC(1,2)+4, 0,4 },
+ { 3, 2, 1, 0, 16*8+3, 16*8+2, 16*8+1, 16*8+0,
+ 32*8+3, 32*8+2, 32*8+1, 32*8+0, 48*8+3, 48*8+2, 48*8+1, 48*8+0 },
+ { 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 },
+ 64*8
+};
+
+static GFXDECODE_START( spdodgeb )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0x000, 32 ) /* colors 0x000-0x1ff */
+ GFXDECODE_ENTRY( REGION_GFX2, 0, spritelayout, 0x200, 32 ) /* colors 0x200-0x3ff */
+GFXDECODE_END
+
+
+static void irq_handler(int irq)
+{
+ cpunum_set_input_line(1,M6809_FIRQ_LINE,irq ? ASSERT_LINE : CLEAR_LINE);
+}
+
+static struct YM3812interface ym3812_interface =
+{
+ irq_handler
+};
+
+static struct MSM5205interface msm5205_interface =
+{
+ spd_adpcm_int, /* interrupt function */
+ MSM5205_S48_4B /* 8kHz? */
+};
+
+
+
+static MACHINE_DRIVER_START( spdodgeb )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M6502,12000000/6) /* 2MHz ? */
+ MDRV_CPU_PROGRAM_MAP(readmem,writemem)
+ MDRV_CPU_VBLANK_INT(spdodgeb_interrupt,33) /* 1 IRQ every 8 visible scanlines, plus NMI for vblank */
+
+ MDRV_CPU_ADD(M6809,12000000/6)
+ /* audio CPU */ /* 2MHz ? */
+ MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(32*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 1*8, 31*8-1)
+ MDRV_GFXDECODE(spdodgeb)
+ MDRV_PALETTE_LENGTH(1024)
+
+ MDRV_PALETTE_INIT(spdodgeb)
+ MDRV_VIDEO_START(spdodgeb)
+ MDRV_VIDEO_UPDATE(spdodgeb)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_STEREO("left", "right")
+
+ MDRV_SOUND_ADD(YM3812, 3000000)
+ MDRV_SOUND_CONFIG(ym3812_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 1.0)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 1.0)
+
+ MDRV_SOUND_ADD(MSM5205, 384000)
+ MDRV_SOUND_CONFIG(msm5205_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.50)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.50)
+
+ MDRV_SOUND_ADD(MSM5205, 384000)
+ MDRV_SOUND_CONFIG(msm5205_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.50)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.50)
+MACHINE_DRIVER_END
+
+
+
+ROM_START( spdodgeb )
+ ROM_REGION( 0x18000, REGION_CPU1, 0 )
+ ROM_LOAD( "22a-04.139", 0x10000, 0x08000, CRC(66071fda) SHA1(4a239295900e6234a2a693321ca821671747a58e) ) /* Two banks */
+ ROM_CONTINUE( 0x08000, 0x08000 ) /* Static code */
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* audio cpu */
+ ROM_LOAD( "22j5-0.33", 0x08000, 0x08000, CRC(c31e264e) SHA1(0828a2094122e3934b784ec9ad7c2b89d91a83bb) )
+
+ ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* I/O mcu */
+ ROM_LOAD( "63701.bin", 0xc000, 0x4000, NO_DUMP ) /* missing */
+
+ ROM_REGION( 0x40000, REGION_GFX1, ROMREGION_DISPOSE ) /* text */
+ ROM_LOAD( "22a-4.121", 0x00000, 0x20000, CRC(acc26051) SHA1(445224238cce420990894824d95447e3f63a9ef0) )
+ ROM_LOAD( "22a-3.107", 0x20000, 0x20000, CRC(10bb800d) SHA1(265a3d67669034d17713b505ef55cd1c90f8d205) )
+
+ ROM_REGION( 0x40000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "22a-1.2", 0x00000, 0x20000, CRC(3bd1c3ec) SHA1(40f61552ea6f7a81915fe3e13f75dc1dc69da33e) )
+ ROM_LOAD( "22a-2.35", 0x20000, 0x20000, CRC(409e1be1) SHA1(35a77fc8fe6fc212734e2f452dbde9b8cf696f61) )
+
+ ROM_REGION( 0x20000, REGION_SOUND1, 0 ) /* adpcm samples */
+ ROM_LOAD( "22j6-0.83", 0x00000, 0x10000, CRC(744a26e3) SHA1(519f22f1e5cc417cb8f9ced97e959d23c711283b) )
+ ROM_LOAD( "22j7-0.82", 0x10000, 0x10000, CRC(2fa1de21) SHA1(e8c7af6057b64ecadd3473b82abd8e9f873082fd) )
+
+ ROM_REGION( 0x0800, REGION_PROMS, 0 ) /* color PROMs */
+ ROM_LOAD( "mb7132e.158", 0x0000, 0x0400, CRC(7e623722) SHA1(e1fe60533237bd0aba5c8de9775df620ed5227c0) )
+ ROM_LOAD( "mb7122e.159", 0x0400, 0x0400, CRC(69706e8d) SHA1(778ee88ff566aa38c80e0e61bb3fe8458f0e9450) )
+ROM_END
+
+/*
+
+Nekketsu Koukou Dodgeball Bu
+(c)1987 Technos Japan
+
+TA-0022-P1-04
+M6100293A (PCB manufactured by Taito)
+
+CPU: 6502 (Labeled TJC-706002)
+Sound: 68A09, YM3812, M5205x2
+OSC: 12.000MHz
+
+ROMs:
+22J4-0.139 - Main program
+22J5-0.33 - Sound program
+22JA-0.162 - HD63701Y0P (no dump)
+
+TJ22J4-0.121 - Text
+TJ22J3-0.107 /
+
+TJ22J1-0.2 - Graphics
+TJ22J2-0.35 /
+
+22J6-0.83 - ADPCM Samples
+22J7-0.82 /
+
+22J8-0.158 (7132)
+22J9-0.159 (7122)
+
+*/
+
+ROM_START( nkdodge )
+ ROM_REGION( 0x18000, REGION_CPU1, 0 )
+ ROM_LOAD( "22j4-0.139", 0x10000, 0x08000, CRC(aa674fd8) SHA1(4e8d3e07b54d23b221cb39cf10389bc7a56c4021) ) /* Two banks */
+ ROM_CONTINUE( 0x08000, 0x08000 ) /* Static code */
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* audio cpu */
+ ROM_LOAD( "22j5-0.33", 0x08000, 0x08000, CRC(c31e264e) SHA1(0828a2094122e3934b784ec9ad7c2b89d91a83bb) )
+
+ ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* I/O mcu */
+ ROM_LOAD( "63701.bin", 0xc000, 0x4000, NO_DUMP ) /* missing */
+
+ ROM_REGION( 0x40000, REGION_GFX1, ROMREGION_DISPOSE ) /* text */
+ ROM_LOAD( "tj22j4-0.121", 0x00000, 0x20000, CRC(d2922b3f) SHA1(30ad37f8355c732b545017c2fc56879256b650be) )
+ ROM_LOAD( "tj22j3-0.107", 0x20000, 0x20000, CRC(79cd1315) SHA1(2d7a877e59f704b10b5f609e60fa565c68f5fdb0) )
+
+ ROM_REGION( 0x40000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "tj22j1-0.2", 0x00000, 0x20000, CRC(9ed27a8d) SHA1(d80d275bbe91f3e1bd0495a2d7a3be0280a7cda1) )
+ ROM_LOAD( "tj22j2-0.35", 0x20000, 0x20000, CRC(768934f9) SHA1(922f3154dcfb29c2e5c1bebc53247136160f1229) )
+
+ ROM_REGION( 0x20000, REGION_SOUND1, 0 ) /* adpcm samples */
+ ROM_LOAD( "22j6-0.83", 0x00000, 0x10000, CRC(744a26e3) SHA1(519f22f1e5cc417cb8f9ced97e959d23c711283b) )
+ ROM_LOAD( "22j7-0.82", 0x10000, 0x10000, CRC(2fa1de21) SHA1(e8c7af6057b64ecadd3473b82abd8e9f873082fd) )
+
+ ROM_REGION( 0x0800, REGION_PROMS, 0 ) /* color PROMs */
+ ROM_LOAD( "22j8-0.158", 0x0000, 0x0400, CRC(c368440f) SHA1(39762d102a42211f24db16bc721b01230df1c4d6) )
+ ROM_LOAD( "22j9-0.159", 0x0400, 0x0400, CRC(6059f401) SHA1(280b1bda3a55f2d8c2fd4552c4dcec7100f0170f) )
+ROM_END
+
+/* the bootleg just seems to have the gfx roms in a different format, program is identical */
+
+ROM_START( nkdodgeb )
+ ROM_REGION( 0x18000, REGION_CPU1, 0 )
+ ROM_LOAD( "12.bin", 0x10000, 0x08000, CRC(aa674fd8) SHA1(4e8d3e07b54d23b221cb39cf10389bc7a56c4021) ) /* Two banks */
+ ROM_CONTINUE( 0x08000, 0x08000 ) /* Static code */
+
+ ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* audio cpu */
+ ROM_LOAD( "22j5-0.33", 0x08000, 0x08000, CRC(c31e264e) SHA1(0828a2094122e3934b784ec9ad7c2b89d91a83bb) )
+
+ ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* I/O mcu */
+ ROM_LOAD( "63701.bin", 0xc000, 0x4000, NO_DUMP ) /* missing */
+
+ ROM_REGION( 0x40000, REGION_GFX1, ROMREGION_DISPOSE ) /* text */
+ ROM_LOAD( "10.bin", 0x00000, 0x10000, CRC(442326fd) SHA1(e0e9e1dfdca3edd6e2522f55c191b40b81b8eaff) )
+ ROM_LOAD( "11.bin", 0x10000, 0x10000, CRC(2140b070) SHA1(7a9d89eb6130b1dd21236fefaeb09a29c7f0d208) )
+ ROM_LOAD( "9.bin", 0x20000, 0x10000, CRC(18660ac1) SHA1(be6a47eea9649d7b9ff8b30a4de643522c9869e6) )
+ ROM_LOAD( "8.bin", 0x30000, 0x10000, CRC(5caae3c9) SHA1(f81a1c4ce2117d41e81542d417ff3573ea0f5313) )
+
+ ROM_REGION( 0x40000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "2.bin", 0x00000, 0x10000, CRC(1271583e) SHA1(98a597f2be1abdac6c4de811cfa8a53549bc6904) )
+ ROM_LOAD( "1.bin", 0x10000, 0x10000, CRC(5ae6cccf) SHA1(6bd385d6559b54c681d05eed2e91bfc2aa3e6844) )
+ ROM_LOAD( "4.bin", 0x20000, 0x10000, CRC(f5022822) SHA1(fa67b1f70da80365f14776b712df6f656e603fb0) )
+ ROM_LOAD( "3.bin", 0x30000, 0x10000, CRC(05a71179) SHA1(7e5ed81b37ac458d7a40e89f83f1efb742e797a8) )
+
+ ROM_REGION( 0x20000, REGION_SOUND1, 0 ) /* adpcm samples */
+ ROM_LOAD( "22j6-0.83", 0x00000, 0x10000, CRC(744a26e3) SHA1(519f22f1e5cc417cb8f9ced97e959d23c711283b) )
+ ROM_LOAD( "22j7-0.82", 0x10000, 0x10000, CRC(2fa1de21) SHA1(e8c7af6057b64ecadd3473b82abd8e9f873082fd) )
+
+ ROM_REGION( 0x0800, REGION_PROMS, 0 ) /* color PROMs */
+ ROM_LOAD( "27s191.bin", 0x0000, 0x0800, CRC(317e42ea) SHA1(59caacc02fb7fb11604bd177f790fd68830ca7c1) )
+ ROM_LOAD( "82s137.bin", 0x0400, 0x0400, CRC(6059f401) SHA1(280b1bda3a55f2d8c2fd4552c4dcec7100f0170f) )
+ROM_END
+
+
+
+GAME( 1987, spdodgeb, 0, spdodgeb, spdodgeb, 0, ROT0, "Technos", "Super Dodge Ball (US)", 0 )
+GAME( 1987, nkdodge, spdodgeb, spdodgeb, spdodgeb, 0, ROT0, "Technos", "Nekketsu Koukou Dodgeball Bu (Japan)", 0 )
+GAME( 1987, nkdodgeb, spdodgeb, spdodgeb, spdodgeb, 0, ROT0, "Technos", "Nekketsu Koukou Dodgeball Bu (Japan, bootleg)", 0 )