/***************************************************************************
Taito Crazy Balloon hardware
Copyright Nicola Salmoria and the MAME Team.
To-Do:
* Video timing from schematics
* Watchdog length from schematics
* Interrupt timing from schematics
* DIP switches
* Faithfully implement the custom chips
* Coin counter and lock-out
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "includes/crbaloon.h"
/*************************************
*
* PC3092 custom chip
*
* Inputs: pins 1-4 - D0-D3 of data bus
* pin 5 - 1P ENTRY (start button 1)
* pin 6 - 2P ENTRY (start button 2)
* pin 7 - COIN
* pin 8 - /4HN (pixel timing)
* pin 9 - port 0x0a written to
* pin 10 - port 0x08 written to
* pin 11 - port 0x07 written to
* pin 13 - /RESET
* pin 14 - port 0x09 written to
* pin 15 - port 0x0b written to
*
* Outputs: pins 16-19 - D28-D31 of I/O bus
* pin 20 - /V-INV (flip screen)
* pin 21 - coin counter
*
*************************************/
#define LOG_PC3092 0
static void pc3092_reset(void)
{
/* nothing yet */
}
static void pc3092_update(running_machine &machine)
{
crbaloon_state *state = machine.driver_data<crbaloon_state>();
flip_screen_set(machine, (state->m_pc3092_data[1] & 0x01) ? TRUE : FALSE);
}
static WRITE8_HANDLER( pc3092_w )
{
crbaloon_state *state = space->machine().driver_data<crbaloon_state>();
state->m_pc3092_data[offset] = data & 0x0f;
if (LOG_PC3092) logerror("%04X: write PC3092 #%d = 0x%02x\n", cpu_get_pc(&space->device()), offset, state->m_pc3092_data[offset]);
pc3092_update(space->machine());
}
static CUSTOM_INPUT( pc3092_r )
{
crbaloon_state *state = field.machine().driver_data<crbaloon_state>();
UINT32 ret;
/* enable coin & start input? Wild guess!!! */
if (state->m_pc3092_data[1] & 0x02)
ret = input_port_read(field.machine(), "PC3092");
else
ret = 0x00;
if (LOG_PC3092) logerror("%s: read PC3092 = 0x%02x\n", field.machine().describe_context(), ret);
return ret;
}
/*************************************
*
* PC3259 custom chip -
* collision detection
*
* Inputs: pins 1-10 - 128V/64V/32V/16V/8V
* 128H/64H/32H/16H/8H
* video timing lines
* pin 11 - CLK
* pin 13 - /HTCLR
* pin 14 - MVID
* pin 15 - T1
* pin 16 - D7 of SOUND port buffer
* pin 21/22 - AD2/AD3 of address bus
* pin 23 - MSK (port 0x0c written to)
*
* Outputs: pins 17-20 - D24-D27 of I/O bus
*
*************************************/
#define LOG_PC3259 0
static void pc3259_update(void)
{
/* nothing yet */
}
static READ8_HANDLER( pc3259_r )
{
UINT8 ret = 0;
UINT8 reg = offset >> 2;
UINT16 collision_address = crbaloon_get_collision_address(space->machine());
int collided = (collision_address != 0xffff);
switch (reg)
{
case 0x00:
ret = collided ? (collision_address & 0x0f) : 0;
break;
case 0x01:
ret = collided ? ((collision_address >> 4) & 0x0f) : 0;
break;
case 0x02:;
ret = collided ? (collision_address >> 8) : 0;
break;
default:
case 0x03:
ret = collided ? 0x08 : 0x07;
break;
}
if (LOG_PC3259) logerror("%04X: read PC3259 #%d = 0x%02x\n", cpu_get_pc(&space->device()), reg, ret);
return ret | (input_port_read(space->machine(), "DSW1") & 0xf0);
}
/*************************************
*
* I/O ports
*
*************************************/
static WRITE8_HANDLER( port_sound_w )
{
device_t *discrete = space->machine().device("discrete");
device_t *sn = space->machine().device("snsnd");
/* D0 - interrupt enable - also goes to PC3259 as /HTCTRL */
cpu_interrupt_enable(space->machine().device("maincpu"), (data & 0x01) ? TRUE : FALSE);
crbaloon_set_clear_collision_address(space->machine(), (data & 0x01) ? TRUE : FALSE);
/* D1 - SOUND STOP */
space->machine().sound().system_enable((data & 0x02) ? TRUE : FALSE);
/* D2 - unlabeled - music enable */
crbaloon_audio_set_music_enable(discrete, 0, (data & 0x04) ? TRUE : FALSE);
/* D3 - EXPLOSION */
crbaloon_audio_set_explosion_enable(sn, (data & 0x08) ? TRUE : FALSE);
/* D4 - BREATH */
crbaloon_audio_set_breath_enable(sn, (data & 0x10) ? TRUE : FALSE);
/* D5 - APPEAR */
crbaloon_audio_set_appear_enable(sn, (data & 0x20) ? TRUE : FALSE);
/* D6 - unlabeled - laugh enable */
crbaloon_audio_set_laugh_enable(discrete, 0, (data & 0x40) ? TRUE : FALSE);
/* D7 - unlabeled - goes to PC3259 pin 16 */
pc3259_update();
}
/*************************************
*
* Memory handlers
*
*************************************/
static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 )
ADDRESS_MAP_GLOBAL_MASK(0x7fff) /* A15 is not decoded */
AM_RANGE(0x0000, 0x3fff) AM_ROM /* not fully populated */
AM_RANGE(0x4000, 0x43ff) AM_MIRROR(0x0400) AM_RAM
AM_RANGE(0x4800, 0x4bff) AM_MIRROR(0x0400) AM_RAM_WRITE(crbaloon_videoram_w) AM_BASE_MEMBER(crbaloon_state, m_videoram)
AM_RANGE(0x5000, 0x53ff) AM_MIRROR(0x0400) AM_RAM_WRITE(crbaloon_colorram_w) AM_BASE_MEMBER(crbaloon_state, m_colorram)
AM_RANGE(0x5800, 0x7fff) AM_NOP
ADDRESS_MAP_END
/*************************************
*
* Port handlers
*
*************************************/
static ADDRESS_MAP_START( main_io_map, AS_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xf)
AM_RANGE(0x00, 0x00) AM_MIRROR(0x0c) AM_READ_PORT("DSW0")
AM_RANGE(0x01, 0x01) AM_MIRROR(0x0c) AM_READ_PORT("IN0")
AM_RANGE(0x02, 0x02) AM_MIRROR(0x0c) AM_MASK(0x0c) AM_READ(pc3259_r)
AM_RANGE(0x03, 0x03) AM_MIRROR(0x0c) AM_READ_PORT("IN1")
AM_RANGE(0x00, 0x00) AM_WRITENOP /* not connected */
AM_RANGE(0x01, 0x01) AM_WRITENOP /* watchdog */
AM_RANGE(0x02, 0x04) AM_WRITEONLY AM_BASE_MEMBER(crbaloon_state, m_spriteram)
AM_RANGE(0x05, 0x05) AM_DEVWRITE("discrete", crbaloon_audio_set_music_freq)
AM_RANGE(0x06, 0x06) AM_WRITE(port_sound_w)
AM_RANGE(0x07, 0x0b) AM_WRITE(pc3092_w) AM_BASE_MEMBER(crbaloon_state, m_pc3092_data)
AM_RANGE(0x0c, 0x0c) AM_WRITENOP /* MSK - to PC3259 */
AM_RANGE(0x0d, 0x0d) AM_WRITENOP /* schematics has it in a box marked "NOT USE" */
AM_RANGE(0x0e, 0x0f) AM_WRITENOP
ADDRESS_MAP_END
/*************************************
*
* Port definition
*
*************************************/
static INPUT_PORTS_START( crbaloon )
PORT_START("DSW0")
PORT_DIPNAME( 0x01, 0x01, "Test?" ) PORT_DIPLOCATION("SW A:1")
PORT_DIPSETTING( 0x01, "I/O Check?" )
PORT_DIPSETTING( 0x00, "RAM Check?" )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW A:2")
PORT_DIPSETTING( 0x02, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW A:3,4")
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPSETTING( 0x04, "3" )
PORT_DIPSETTING( 0x08, "4" )
PORT_DIPSETTING( 0x0c, "5" )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW A:5")
PORT_DIPSETTING( 0x00, "5000" )
PORT_DIPSETTING( 0x10, "10000" )
PORT_DIPNAME( 0xe0, 0x80, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW A:6,7,8")
PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x00, "Disable" )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_START("DSW1")
PORT_BIT( 0x0f, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* PC3259 */
PORT_DIPNAME( 0x10, 0x10, "Invulnerability") PORT_DIPLOCATION("SW B:1")
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:2")
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:3")
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:4")
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("IN1")
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:5")
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Name Reset")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM(pc3092_r, NULL)
PORT_START("PC3092")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("VR2")
PORT_ADJUSTER(50, "VR2 - Beep")
PORT_START("VR3")
PORT_ADJUSTER(50, "VR3 - Music")
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
1, /* 1 bit per pixel */
{ 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
8*8 /* every char takes 8 consecutive bytes */
};
static GFXDECODE_START( crbaloon )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 16 )
GFXDECODE_END
/*************************************
*
* Machine reset
*
*************************************/
static MACHINE_RESET( crballoon )
{
address_space *space = machine.device("maincpu")->memory().space(AS_IO);
device_t *discrete = machine.device("discrete");
pc3092_reset();
port_sound_w(space, 0, 0);
crbaloon_audio_set_music_freq(discrete, 0, 0);
}
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_CONFIG_START( crbaloon, crbaloon_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, CRBALOON_MASTER_XTAL / 3)
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_CPU_IO_MAP(main_io_map)
MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
MCFG_MACHINE_RESET(crballoon)
/* video hardware */
MCFG_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE)
MCFG_VIDEO_START(crbaloon)
MCFG_GFXDECODE(crbaloon)
MCFG_PALETTE_LENGTH(32)
MCFG_PALETTE_INIT(crbaloon)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1)
MCFG_SCREEN_UPDATE(crbaloon)
/* audio hardware */
MCFG_FRAGMENT_ADD(crbaloon_audio)
MACHINE_CONFIG_END
/*************************************
*
* ROM definitions
*
*************************************/
ROM_START( crbaloon )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "cl01.bin", 0x0000, 0x0800, CRC(9d4eef0b) SHA1(a8dd814ac2612073982123c91fa62deaf5bee242) )
ROM_LOAD( "cl02.bin", 0x0800, 0x0800, CRC(10f7a6f7) SHA1(e672a7dcdaae08b202cfc2e19033846ebb267e1b) )
ROM_LOAD( "cl03.bin", 0x1000, 0x0800, CRC(44ed6030) SHA1(8bbf5d9e893710138be15e56682037f128c83527) )
ROM_LOAD( "cl04.bin", 0x1800, 0x0800, CRC(62f66f6c) SHA1(d173b12d6b5e0719d7b25ff0cafebbe64ec6b134) )
ROM_LOAD( "cl05.bin", 0x2000, 0x0800, CRC(c8f1e2be) SHA1(a4603ce0268fa987f7f780702b6ca04e28759674) )
ROM_LOAD( "cl06.bin", 0x2800, 0x0800, CRC(7d465691) SHA1(f5dc7abe8db232f702419d126cee6607ea6a5168) )
ROM_REGION( 0x0800, "gfx1", 0 )
ROM_LOAD( "cl07.bin", 0x0000, 0x0800, CRC(2c1fbea8) SHA1(41cf2aef74d56173057886512d989f6fa3682056) )
ROM_REGION( 0x0800, "gfx2", 0 )
ROM_LOAD( "cl08.bin", 0x0000, 0x0800, CRC(ba898659) SHA1(4291059b113ff91896f1f61a4c14956716edfe1e) )
ROM_END
ROM_START( crbaloon2 )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "cl01.bin", 0x0000, 0x0800, CRC(9d4eef0b) SHA1(a8dd814ac2612073982123c91fa62deaf5bee242) )
ROM_LOAD( "crazybal.ep2", 0x0800, 0x0800, CRC(87572086) SHA1(dba842c7c4cb16154ae0da43d71f8f03a56441c3) )
ROM_LOAD( "crazybal.ep3", 0x1000, 0x0800, CRC(575fe995) SHA1(829db1da27cc9b706db6d9563bd271ffcd42be4a) )
ROM_LOAD( "cl04.bin", 0x1800, 0x0800, CRC(62f66f6c) SHA1(d173b12d6b5e0719d7b25ff0cafebbe64ec6b134) )
ROM_LOAD( "cl05.bin", 0x2000, 0x0800, CRC(c8f1e2be) SHA1(a4603ce0268fa987f7f780702b6ca04e28759674) )
ROM_LOAD( "crazybal.ep6", 0x2800, 0x0800, CRC(fed6ff5c) SHA1(e6ed276949fd1511c6abe97026793193fda36e92) )
ROM_REGION( 0x0800, "gfx1", 0 )
ROM_LOAD( "cl07.bin", 0x0000, 0x0800, CRC(2c1fbea8) SHA1(41cf2aef74d56173057886512d989f6fa3682056) )
ROM_REGION( 0x0800, "gfx2", 0 )
ROM_LOAD( "cl08.bin", 0x0000, 0x0800, CRC(ba898659) SHA1(4291059b113ff91896f1f61a4c14956716edfe1e) )
ROM_END
/*************************************
*
* Game drivers
*
*************************************/
GAME( 1980, crbaloon, 0, crbaloon, crbaloon, 0, ROT90, "Taito Corporation", "Crazy Balloon (set 1)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
GAME( 1980, crbaloon2,crbaloon, crbaloon, crbaloon, 0, ROT90, "Taito Corporation", "Crazy Balloon (set 2)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )