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/***************************************
Attack ufo / Ryoto Electric Co. 1980(?)
driver by Tomasz Slanina
Video and sound emulation based on
VIC 656x driver by PeT
TODO:
- correct I/O chip emulation
- is game speed ok? a bit slow sometimes
--
CPU - 6502
2,38 +5
21 gnd
26-33 data bus
I/O - CIA 6526 ?
37,38 +5
1 gnd
2-18 I/O
26-33 data bus
Vid - VIC 6560 derivative ???
40 +5
20 gnd
16-32 data bus
--
Attack UFO
???? 1980
LOIPOIO-B
2 1 2114 2114 2114 2114 2114
8 7 6 5 4 3 40pin IC "C"
53354 40pin IC "B" 14.318MHz 40pin IC "A"
SW
****************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "sound/mos6560.h"
class attckufo_state : public driver_device
{
public:
attckufo_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_mos6560(*this, "mos6560") ,
m_mainram(*this, "mainram"),
m_tileram(*this, "tileram"){ }
/* devices */
required_device<cpu_device> m_maincpu;
required_device<mos6560_device> m_mos6560;
/* memory pointers */
required_shared_ptr<UINT8> m_mainram;
required_shared_ptr<UINT8> m_tileram;
DECLARE_READ8_MEMBER(attckufo_io_r);
DECLARE_WRITE8_MEMBER(attckufo_io_w);
DECLARE_READ8_MEMBER( vic_videoram_r );
DECLARE_READ8_MEMBER( vic_colorram_r );
INTERRUPT_GEN_MEMBER(attckufo_raster_interrupt);
};
READ8_MEMBER(attckufo_state::attckufo_io_r)
{
switch(offset)
{
case 0: return ioport("DSW")->read();
case 2: return ioport("INPUT")->read();
}
return 0xff;
}
WRITE8_MEMBER(attckufo_state::attckufo_io_w)
{
/*
offset, data:
0 $00,$30
1 $00,$04
2 $00
3 $00,$04
*/
}
READ8_MEMBER(attckufo_state::vic_videoram_r)
{
return m_maincpu->space(AS_PROGRAM)->read_byte(offset);
}
READ8_MEMBER(attckufo_state::vic_colorram_r)
{
return m_maincpu->space(AS_PROGRAM)->read_byte(offset + 0x400);
}
static ADDRESS_MAP_START( cpu_map, AS_PROGRAM, 8, attckufo_state )
ADDRESS_MAP_GLOBAL_MASK(0x3fff)
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE("mainram")
AM_RANGE(0x1000, 0x100f) AM_DEVREADWRITE("mos6560", mos6560_device, read, write)
AM_RANGE(0x1400, 0x1403) AM_READWRITE(attckufo_io_r, attckufo_io_w)
AM_RANGE(0x1c00, 0x1fff) AM_RAM AM_SHARE("tileram")
AM_RANGE(0x2000, 0x3fff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( vic_videoram_map, AS_0, 8, attckufo_state )
AM_RANGE(0x0000, 0x3fff) AM_READ(vic_videoram_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( vic_colorram_map, AS_1, 8, attckufo_state )
AM_RANGE(0x000, 0x3ff) AM_READ(vic_colorram_r)
ADDRESS_MAP_END
static INPUT_PORTS_START( attckufo )
PORT_START("DSW")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x01, "4" )
PORT_DIPSETTING( 0x02, "5" )
PORT_DIPSETTING( 0x03, "6" )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x04, "1000" )
PORT_DIPSETTING( 0x00, "1500" )
PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_START("INPUT")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(1)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(2)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(2)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
INPUT_PORTS_END
INTERRUPT_GEN_MEMBER(attckufo_state::attckufo_raster_interrupt)
{
m_mos6560->raster_interrupt_gen();
}
static MOS6560_INTERFACE( vic_intf )
{
"screen",
DEVCB_NULL,
DEVCB_NULL
};
static MACHINE_CONFIG_START( attckufo, attckufo_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, 14318181/14)
MCFG_CPU_PROGRAM_MAP(cpu_map)
MCFG_CPU_PERIODIC_INT_DRIVER(attckufo_state, attckufo_raster_interrupt, MOS656X_HRETRACERATE)
/* video hardware */
MCFG_MOS656X_ATTACK_UFO_ADD("mos6560", "screen", 14318181/14, vic_intf, vic_videoram_map, vic_colorram_map)
MACHINE_CONFIG_END
ROM_START( attckufo )
ROM_REGION( 0x4000, "maincpu", 0 )
ROM_LOAD( "1", 0x2000, 0x0400, CRC(b32a36ab) SHA1(4e64686d498f7a79f5213c42b7afbf35aac2b622) )
ROM_LOAD( "2", 0x2400, 0x0400, CRC(35fc8424) SHA1(d4926768f2e5b21476c7ec33743fe3e1c76662db) )
ROM_LOAD( "3", 0x2800, 0x0400, CRC(6341c8c4) SHA1(8647a4fabad0399769dd068d784be72e27afca35) )
ROM_LOAD( "4", 0x2c00, 0x0400, CRC(1ed1d93f) SHA1(2e04c63ea2fc958415f7c7de9d18dadf9e085755) )
ROM_LOAD( "5", 0x3000, 0x0400, CRC(3380e0f4) SHA1(e1d681f7370ba7fc2bf3561533f4aaf12eefbcb8) )
ROM_LOAD( "6", 0x3400, 0x0400, CRC(8103e031) SHA1(86bc8dd6c74b84804ede31a8454b5b3d3e4d88b1) )
ROM_LOAD( "7", 0x3800, 0x0400, CRC(43a41012) SHA1(edd14f49dc9ae7a5a14583b9a92ebbbdd021d7b1) )
ROM_LOAD( "8", 0x3c00, 0x0400, CRC(9ce93eb0) SHA1(68753e88db4e920446b9582b5cb713b1beec3b27) )
ROM_REGION( 0x400, "user1", 0 )
ROM_COPY( "maincpu", 0x02000, 0x00000, 0x400)
ROM_END
GAME( 1980, attckufo, 0, attckufo, attckufo, driver_device, 0, ROT270, "Ryoto Electric Co.", "Attack Ufo", GAME_SUPPORTS_SAVE )
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