/* Diver Boy
(c)1992 Device Electronics
----
Here's the info about this dump:
Name: DiverBoy
Manufacturer: Unknown
Year: Unknown
Date Dumped: 17-07-2002 (DD-MM-YYYY)
CPU: 68000, Z80
SOUND: OKIM6295
GFX: Unknown
About the game:
The worst game i have :) Enjoy it so much as me :D
----
Stephh's notes :
- COIN3 gives ("Coinage" * 2) coins/credits :
COIN1/2 COIN3
4C_1C 2C_1C
3C_1C special (see below)
2C_1C 1C_1C
1C_1C 1C_2C
1C_2C 1C_4C
1C_3C 1C_6C
1C_4C 1C_8C
1C_6C 1C_12C
when "Coinage" set to 3C_1C, pressing COIN3 has this effect :
* 1st coin : nothing
* 2nd coin : adds 1 credit
* 3rd coin : adds 1 credit
* 4th coin : nothing
* 5th coin : adds 1 credit
* 6th coin : adds 1 credit ...
*/
#include "driver.h"
#include "cpu/z80/z80.h"
#include "cpu/m68000/m68000.h"
#include "sound/okim6295.h"
extern UINT16 *diverboy_spriteram;
extern size_t diverboy_spriteram_size;
VIDEO_START(diverboy);
VIDEO_UPDATE(diverboy);
static WRITE16_HANDLER( soundcmd_w )
{
if (ACCESSING_BITS_0_7)
{
soundlatch_w(space,0,data & 0xff);
cpu_set_input_line(space->machine->cpu[1],0,HOLD_LINE);
}
}
static WRITE8_DEVICE_HANDLER( okibank_w )
{
/* bit 2 might be reset */
// popmessage("%02x",data);
okim6295_set_bank_base(device,(data & 3) * 0x40000);
}
static ADDRESS_MAP_START( diverboy_readmem, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x03ffff) AM_READ(SMH_ROM)
AM_RANGE(0x040000, 0x04ffff) AM_READ(SMH_RAM)
AM_RANGE(0x080000, 0x083fff) AM_READ(SMH_RAM)
AM_RANGE(0x180000, 0x180001) AM_READ_PORT("P1_P2")
AM_RANGE(0x180002, 0x180003) AM_READ_PORT("DSW")
AM_RANGE(0x180008, 0x180009) AM_READ_PORT("COINS")
// AM_RANGE(0x18000a, 0x18000b) AM_READ(SMH_NOP)
ADDRESS_MAP_END
static ADDRESS_MAP_START( diverboy_writemem, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x03ffff) AM_WRITE(SMH_ROM)
AM_RANGE(0x040000, 0x04ffff) AM_WRITE(SMH_RAM) /* main ram */
AM_RANGE(0x080000, 0x083fff) AM_WRITE(SMH_RAM) AM_BASE(&diverboy_spriteram) AM_SIZE(&diverboy_spriteram_size)
AM_RANGE(0x100000, 0x100001) AM_WRITE(soundcmd_w)
AM_RANGE(0x140000, 0x1407ff) AM_WRITE(paletteram16_xxxxBBBBGGGGRRRR_word_w) AM_BASE(&paletteram16)
// AM_RANGE(0x18000c, 0x18000d) AM_WRITE(SMH_NOP)
AM_RANGE(0x320000, 0x3207ff) AM_WRITE(SMH_RAM) /* ?? */
AM_RANGE(0x322000, 0x3227ff) AM_WRITE(SMH_RAM) /* ?? */
// AM_RANGE(0x340000, 0x340001) AM_WRITE(SMH_NOP)
// AM_RANGE(0x340002, 0x340003) AM_WRITE(SMH_NOP)
ADDRESS_MAP_END
static ADDRESS_MAP_START( snd_readmem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_READ(SMH_ROM)
AM_RANGE(0x8000, 0x87ff) AM_READ(SMH_RAM)
AM_RANGE(0x9800, 0x9800) AM_DEVREAD("oki", okim6295_r)
AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( snd_writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_WRITE(SMH_ROM)
AM_RANGE(0x8000, 0x87ff) AM_WRITE(SMH_RAM)
AM_RANGE(0x9000, 0x9000) AM_DEVWRITE("oki", okibank_w)
AM_RANGE(0x9800, 0x9800) AM_DEVWRITE("oki", okim6295_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( diverboy )
PORT_START("P1_P2") // 0x180000.w
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) // unused ?
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) // unused ?
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) // "Dive"
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) // unknown effect
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) // unused ?
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) // unused ?
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) // "Dive"
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) // unknown effect
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 )
PORT_START("DSW") // 0x180002.w
PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x07, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_6C ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPSETTING( 0x08, "3" )
PORT_DIPNAME( 0x10, 0x10, "Display Copyright" )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
PORT_DIPNAME( 0x60, 0x20, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, DEF_STR( Easy ) )
PORT_DIPSETTING( 0x20, DEF_STR( Normal ) )
PORT_DIPSETTING( 0x40, DEF_STR( Hard ) )
PORT_DIPSETTING( 0x60, DEF_STR( Hardest ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
PORT_DIPSETTING( 0x80, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_START("COINS") // 0x180008.w
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) // read notes
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) // must be 00 - check code at 0x001680
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_UNKNOWN )
INPUT_PORTS_END
static const gfx_layout diverboy_spritelayout =
{
16,16,
RGN_FRAC(1,1),
4,
{ 0,1,2,3 },
{ 4, 0, 12, 8, 20, 16, 28, 24,
36, 32, 44, 40, 52, 48, 60, 56 },
{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64,
8*64, 9*64, 10*64, 11*64, 12*64, 13*64, 14*64, 15*64 },
16*64
};
static GFXDECODE_START( diverboy )
GFXDECODE_ENTRY( "gfx1", 0, diverboy_spritelayout, 0, 4*16 )
GFXDECODE_ENTRY( "gfx2", 0, diverboy_spritelayout, 0, 4*16 )
GFXDECODE_END
static MACHINE_DRIVER_START( diverboy )
MDRV_CPU_ADD("maincpu", M68000, 12000000) /* guess */
MDRV_CPU_PROGRAM_MAP(diverboy_readmem,diverboy_writemem)
MDRV_CPU_VBLANK_INT("screen", irq6_line_hold)
MDRV_CPU_ADD("audiocpu", Z80, 4000000)
MDRV_CPU_PROGRAM_MAP(snd_readmem,snd_writemem)
MDRV_GFXDECODE(diverboy)
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(64*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8+4, 40*8+1, 2*8, 32*8-1)
MDRV_PALETTE_LENGTH(0x400)
MDRV_VIDEO_START(diverboy)
MDRV_VIDEO_UPDATE(diverboy)
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("oki", OKIM6295, 1320000)
MDRV_SOUND_CONFIG(okim6295_interface_pin7high) // clock frequency & pin 7 not verified
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END
ROM_START( diverboy )
ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
ROM_LOAD16_BYTE( "db_01.bin", 0x00000, 0x20000, CRC(6aa11366) SHA1(714c8a4a64c18632825a734a76a2d1b031106d76) )
ROM_LOAD16_BYTE( "db_02.bin", 0x00001, 0x20000, CRC(45f8a673) SHA1(4eea1374cafacb4a2e0b623fcb802deb5fca1b3a) )
ROM_REGION( 0x10000, "audiocpu", 0 ) /* z80 */
ROM_LOAD( "db_05.bin", 0x00000, 0x8000, CRC(ffeb49ec) SHA1(911b13897ff4ace3940bfff4ab88584a93796c24) ) /* this part is empty */
ROM_CONTINUE( 0x0000, 0x8000 ) /* this part contains the code */
ROM_REGION( 0x100000, "gfx1", ROMREGION_DISPOSE ) /* GFX */
ROM_LOAD16_BYTE( "db_08.bin", 0x000000, 0x80000, CRC(7bb96220) SHA1(671b3f218106e594b13ae5f2e680cf2e2cfc5501) )
ROM_LOAD16_BYTE( "db_09.bin", 0x000001, 0x80000, CRC(12b15476) SHA1(400a5b846f70567de137e0b95586dd9cfc27becb) )
ROM_REGION( 0x180000, "gfx2", ROMREGION_DISPOSE ) /* GFX */
ROM_LOAD16_BYTE( "db_07.bin", 0x000000, 0x20000, CRC(18485741) SHA1(a8edceaf34a98f2aa2bfada9d6e06fb82639a4e0) )
ROM_LOAD16_BYTE( "db_10.bin", 0x000001, 0x20000, CRC(c381d1cc) SHA1(88b97d8893c500951cfe8e7e7f0b547b36bbe2c0) )
ROM_LOAD16_BYTE( "db_06.bin", 0x040000, 0x20000, CRC(21b4e352) SHA1(a553de67e5dc751ea81ec4739724e0e46e8c5fab) )
ROM_LOAD16_BYTE( "db_11.bin", 0x040001, 0x20000, CRC(41d29c81) SHA1(448fd5c1b16159d03436b8bd71ffe871c8daf7fa) )
ROM_REGION( 0x100000, "oki", 0 ) /* Sound */
ROM_LOAD( "db_03.bin", 0x00000, 0x20000, CRC(50457505) SHA1(faf1c055ec56d2ed7f5e6993cc04d3317bf1c3cc) )
ROM_CONTINUE( 0x40000, 0x20000 )
ROM_CONTINUE( 0x80000, 0x20000 )
ROM_CONTINUE( 0xc0000, 0x20000 )
ROM_LOAD( "db_04.bin", 0x20000, 0x20000, CRC(01b81da0) SHA1(914802f3206dc59a720af9d57eb2285bc8ba822b) ) /* same as tumble pop?, is this used? */
ROM_RELOAD( 0x60000, 0x20000 )
ROM_RELOAD( 0xa0000, 0x20000 )
ROM_RELOAD( 0xe0000, 0x20000 )
ROM_END
GAME( 1992, diverboy, 0, diverboy, diverboy, 0, ORIENTATION_FLIP_X, "Electronic Devices Italy", "Diver Boy", 0 )