// license:BSD-3-Clause
// copyright-holders:David Haywood
/***************************************************************************
Omori Battle Cross
driver by David Haywood
Stephh's notes :
- I don't know exactly how to call the "Free Play" Dip Switch 8(
Its effect is the following :
* you need to insert at least one credit and start a game
* when the game is over, you can start another games WITHOUT
inserting another coins
Note that the number of credits is decremented though.
Credits are BCD coded on 3 bytes (0x000000-0x999999) at addresses
0xa039 (LSB), 0xa03a and 0xa03b (MSB), but only the LSB is displayed.
- Setting the flipscreen dip to ON also hides the copyright message (?)
TO DO :
- missing starfield
- game speed, its seems to be controlled by the IRQ's, how fast should it
be? firing seems frustratingly inconsistant (better with PORT_IMPULSE)
- background tile colors, not understood well
****************************************************************************
Battle Cross (c)1982 Omori
CPU: Z80A
Sound: AY-3-8910
Other: 93419 (in socket marked 93219)
RAM: 4116(x12), 2114(x2), 2114(x6)
PROMS: none
XTAL: 10.0 MHz
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "includes/battlex.h"
INTERRUPT_GEN_MEMBER(battlex_state::battlex_interrupt)
{
m_in0_b4 = 1;
device.execute().set_input_line(0, ASSERT_LINE);
}
CUSTOM_INPUT_MEMBER(battlex_state::battlex_in0_b4_r)
{
UINT32 ret = m_in0_b4;
if (m_in0_b4)
{
m_maincpu->set_input_line(0, CLEAR_LINE);
m_in0_b4 = 0;
}
return ret;
}
/*************************************
*
* Memory maps
*
*************************************/
static ADDRESS_MAP_START( battlex_map, AS_PROGRAM, 8, battlex_state )
AM_RANGE(0x0000, 0x5fff) AM_ROM
AM_RANGE(0x8000, 0x8fff) AM_RAM_WRITE(battlex_videoram_w) AM_SHARE("videoram")
AM_RANGE(0x9000, 0x91ff) AM_RAM AM_SHARE("spriteram")
AM_RANGE(0xa000, 0xa3ff) AM_RAM
AM_RANGE(0xe000, 0xe03f) AM_RAM_WRITE(battlex_palette_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, battlex_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ_PORT("DSW1")
AM_RANGE(0x01, 0x01) AM_READ_PORT("SYSTEM")
AM_RANGE(0x02, 0x02) AM_READ_PORT("INPUTS")
AM_RANGE(0x03, 0x03) AM_READ_PORT("DSW2")
AM_RANGE(0x10, 0x10) AM_WRITE(battlex_flipscreen_w)
/* verify all of these */
AM_RANGE(0x22, 0x23) AM_DEVWRITE("aysnd", ay8910_device, data_address_w)
AM_RANGE(0x30, 0x30) AM_WRITE(battlex_scroll_starfield_w)
AM_RANGE(0x32, 0x32) AM_WRITE(battlex_scroll_x_lsb_w)
AM_RANGE(0x33, 0x33) AM_WRITE(battlex_scroll_x_msb_w)
ADDRESS_MAP_END
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( battlex )
PORT_START("DSW1") /* IN0 */
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Allow_Continue ) ) // Not on 1st stage
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, battlex_state,battlex_in0_b4_r, nullptr)
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x20, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Flip_Screen ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("SYSTEM") /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_IMPULSE(4)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_IMPULSE(4) PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("INPUTS") /* IN2 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_START("DSW2") /* IN3 */
PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x07, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_7C ) )
PORT_DIPNAME( 0x18, 0x10, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x08, "2" )
PORT_DIPSETTING( 0x10, "3" )
PORT_DIPSETTING( 0x18, "5" )
PORT_DIPNAME( 0x60, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "5000" )
PORT_DIPSETTING( 0x20, "10000" )
PORT_DIPSETTING( 0x40, "15000" )
PORT_DIPSETTING( 0x60, "20000" )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) ) // See notes
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout battlex_charlayout =
{
8,8,
RGN_FRAC(1,3),
3,
{ 0,RGN_FRAC(1,3),RGN_FRAC(2,3) },
{ 7,6,5,4,3,2,1,0 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8
};
static const gfx_layout battlex_spritelayout =
{
16,16,
RGN_FRAC(1,3),
3,
{ 0,RGN_FRAC(1,3),RGN_FRAC(2,3) },
{ 7,6,5,4,3,2,1,0,
15,14,13,12,11,10,9,8 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 },
16*16
};
static GFXDECODE_START( battlex )
GFXDECODE_ENTRY( "gfx1", 0, battlex_charlayout, 0, 8 )
GFXDECODE_ENTRY( "gfx2", 0, battlex_spritelayout, 0, 8 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
void battlex_state::machine_start()
{
/* register for save states */
save_item(NAME(m_scroll_lsb));
save_item(NAME(m_scroll_msb));
save_item(NAME(m_starfield_enabled));
save_item(NAME(m_in0_b4));
}
void battlex_state::machine_reset()
{
m_scroll_lsb = 0;
m_scroll_msb = 0;
m_starfield_enabled = 0;
m_in0_b4 = 0;
}
static MACHINE_CONFIG_START( battlex, battlex_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80,XTAL_10MHz/4 ) // ?
MCFG_CPU_PROGRAM_MAP(battlex_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_CPU_PERIODIC_INT_DRIVER(battlex_state, battlex_interrupt, 400) /* controls game speed? */
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MCFG_SCREEN_UPDATE_DRIVER(battlex_state, screen_update_battlex)
MCFG_SCREEN_PALETTE("palette")
MCFG_GFXDECODE_ADD("gfxdecode", "palette", battlex)
MCFG_PALETTE_ADD("palette", 64)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", AY8910, XTAL_10MHz/8) // ?
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)
MACHINE_CONFIG_END
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( battlex )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "p-rom1.6", 0x0000, 0x1000, CRC(b00ae551) SHA1(32a963fea23ea58fc3aab93cc814784a932f045e) )
ROM_LOAD( "p-rom2.5", 0x1000, 0x1000, CRC(e765bb11) SHA1(99671e63f4c7d3d8754277451f0b35cba03b532d) )
ROM_LOAD( "p-rom3.4", 0x2000, 0x1000, CRC(21675a91) SHA1(5bbd5b53b1a1b7aaed5d8c7b09b57f35e4a774dc) )
ROM_LOAD( "p-rom4.3", 0x3000, 0x1000, CRC(fff1ccc4) SHA1(2cb9b096b30e441559e57992df8f30aee46b1f1c) )
ROM_LOAD( "p-rom5.2", 0x4000, 0x1000, CRC(ceb63d38) SHA1(92cab905d009c59115f52172ba7d01c8ff8991d7) )
ROM_LOAD( "p-rom6.1", 0x5000, 0x1000, CRC(6923f601) SHA1(e6c33cbd8d8679299d7b2c568d56f96ed3073971) )
ROM_REGION( 0x3000, "gfx2", 0 )
ROM_LOAD( "1a_f.6f", 0x0000, 0x1000, CRC(2b69287a) SHA1(30c0edaec44118b95ec390bd41c1bd49a2802451) )
ROM_LOAD( "1a_h.6h", 0x1000, 0x1000, CRC(9f4c3bdd) SHA1(e921ecafefe54c033d05d9cd289808e971ac7940) )
ROM_LOAD( "1a_j.6j", 0x2000, 0x1000, CRC(c1345b05) SHA1(17194c8ec961990222bd295ff1d036a64f497b0e) )
ROM_REGION( 0x3000, "gfx1", ROMREGION_ERASE00 ) // filled in later
ROM_REGION( 0x1000, "user2", 0 ) // gfx1 1bpp gfxdata
ROM_LOAD( "1a_e.6e", 0x0000, 0x1000, CRC(126842b7) SHA1(2da4f64e077232c1dd0853d07d801f9781517850) )
ROM_REGION( 0x1000, "user1", 0 ) // gfx1 colormask, bad?
ROM_LOAD( "1a_d.6d", 0x0000, 0x1000, CRC(750a46ef) SHA1(b6ab93e084ab0b7c6ad90ee6431bc1b7ab9ed46d) )
ROM_END
/*************************************
*
* Driver initialization
*
*************************************/
DRIVER_INIT_MEMBER(battlex_state,battlex)
{
UINT8 *colormask = memregion("user1")->base();
UINT8 *gfxdata = memregion("user2")->base();
UINT8 *dest = memregion("gfx1")->base();
int tile, line, bit;
/* convert gfx data from 1bpp + color block mask to straight 3bpp */
for (tile = 0; tile < 512; tile++)
{
for (line = 0; line < 8; line ++)
{
for (bit = 0; bit < 8 ; bit ++)
{
int plane;
int color = colormask[tile << 3 | line];
int data = gfxdata[tile << 3 | line] >> bit & 1;
if (!data) color >>= 4;
for (plane = 2; plane >= 0; plane--)
{
dest[tile << 3 | line | (plane << 12)] |= (color & 1) << bit;
color >>= 1;
}
}
}
}
}
/*************************************
*
* Game driver
*
*************************************/
GAME( 1982, battlex, 0, battlex, battlex, battlex_state, battlex, ROT180, "Omori Electric Co., Ltd.", "Battle Cross", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_COLORS | MACHINE_SUPPORTS_SAVE )