// license:BSD-3-Clause
// copyright-holders:David Haywood
/* 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 "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/m68000/m68000.h"
#include "machine/gen_latch.h"
#include "sound/okim6295.h"
#include "screen.h"
#include "speaker.h"
class diverboy_state : public driver_device
{
public:
diverboy_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_oki(*this, "oki"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch") { }
/* memory pointers */
required_shared_ptr<uint16_t> m_spriteram;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<okim6295_device> m_oki;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
DECLARE_WRITE16_MEMBER(soundcmd_w);
DECLARE_WRITE8_MEMBER(okibank_w);
virtual void machine_start() override;
virtual void video_start() override;
uint32_t screen_update_diverboy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
void diverboy(machine_config &config);
void diverboy_map(address_map &map);
void snd_map(address_map &map);
};
void diverboy_state::video_start()
{
}
void diverboy_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
{
uint16_t *source = m_spriteram;
uint16_t *finish = source + (m_spriteram.bytes() / 2);
while (source < finish)
{
int16_t xpos, ypos, number, colr, bank, flash;
ypos = source[4];
xpos = source[0];
colr = (source[1] & 0x00f0) >> 4;
number = source[3];
flash = source[1] & 0x1000;
colr |= ((source[1] & 0x000c) << 2);
ypos = 0x100 - ypos;
bank = (source[1] & 0x0002) >> 1;
if (!flash || (m_screen->frame_number() & 1))
{
m_gfxdecode->gfx(bank)->transpen(bitmap,cliprect,
number,
colr,
0,0,
xpos,ypos,
(source[1] & 0x0008) ? -1 : 0);
}
source += 8;
}
}
uint32_t diverboy_state::screen_update_diverboy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
// bitmap.fill(m_palette->black_pen(), cliprect);
draw_sprites(bitmap, cliprect);
return 0;
}
WRITE16_MEMBER(diverboy_state::soundcmd_w)
{
if (ACCESSING_BITS_0_7)
{
m_soundlatch->write(space, 0, data & 0xff);
m_audiocpu->set_input_line(0, HOLD_LINE);
}
}
WRITE8_MEMBER(diverboy_state::okibank_w)
{
/* bit 2 might be reset */
// popmessage("%02x",data);
m_oki->set_rom_bank(data & 3);
}
void diverboy_state::diverboy_map(address_map &map)
{
map(0x000000, 0x03ffff).rom();
map(0x040000, 0x04ffff).ram();
map(0x080000, 0x083fff).ram().share("spriteram");
map(0x100000, 0x100001).w(this, FUNC(diverboy_state::soundcmd_w));
map(0x140000, 0x1407ff).w(m_palette, FUNC(palette_device::write16)).share("palette");
map(0x180000, 0x180001).portr("P1_P2");
map(0x180002, 0x180003).portr("DSW");
map(0x180008, 0x180009).portr("COINS");
// AM_RANGE(0x18000a, 0x18000b) AM_READNOP
// AM_RANGE(0x18000c, 0x18000d) AM_WRITENOP
map(0x320000, 0x3207ff).writeonly(); /* ?? */
map(0x322000, 0x3227ff).writeonly(); /* ?? */
// AM_RANGE(0x340000, 0x340001) AM_WRITENOP
// AM_RANGE(0x340002, 0x340003) AM_WRITENOP
}
void diverboy_state::snd_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0x8000, 0x87ff).ram();
map(0x9000, 0x9000).w(this, FUNC(diverboy_state::okibank_w));
map(0x9800, 0x9800).rw(m_oki, FUNC(okim6295_device::read), FUNC(okim6295_device::write));
map(0xa000, 0xa000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
}
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
void diverboy_state::machine_start()
{
}
MACHINE_CONFIG_START(diverboy_state::diverboy)
MCFG_CPU_ADD("maincpu", M68000, 12000000) /* guess */
MCFG_CPU_PROGRAM_MAP(diverboy_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", diverboy_state, irq6_line_hold)
MCFG_CPU_ADD("audiocpu", Z80, 4000000)
MCFG_CPU_PROGRAM_MAP(snd_map)
MCFG_GFXDECODE_ADD("gfxdecode", "palette", diverboy)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(64*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8+4, 40*8+1, 2*8, 32*8-1)
MCFG_SCREEN_UPDATE_DRIVER(diverboy_state, screen_update_diverboy)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 0x400)
MCFG_PALETTE_FORMAT(xxxxBBBBGGGGRRRR)
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
MCFG_OKIM6295_ADD("oki", 1320000, PIN7_HIGH) // clock frequency & pin 7 not verified
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
/*
both program roms contain the following string (at the same location)
This Game is programmed by the freelance group GAMART.
ADRESS: C\SAnt Ramon,11 08130-STA PERPETUA DE MOGODA - BARCELONA (SPAIN)
Telephone (93) 560 27 32
Fax (93) 574 18 34
*/
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", 0 ) /* 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", 0 ) /* 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, diverboy_state, 0, ORIENTATION_FLIP_X, "Gamart (Electronic Devices Italy license)", "Diver Boy", MACHINE_SUPPORTS_SAVE )