/
crbaloon.cpp
437 lines (337 loc) · 13.1 KB
/
crbaloon.cpp
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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************
Taito Crazy Balloon hardware
To-Do:
* Faithfully implement the custom chips
* Coin counter and lock-out
***************************************************************************/
#include "emu.h"
#include "crbaloon.h"
#include "cpu/z80/z80.h"
#include "machine/watchdog.h"
#include "screen.h"
#define LOG_PC3092 (1U << 1)
#define LOG_PC3259 (1U << 2)
#define VERBOSE (0)
#include "logmacro.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
*
*************************************/
void crbaloon_state::pc3092_reset(void)
{
/* nothing yet */
}
void crbaloon_state::pc3092_update()
{
flip_screen_set((m_pc3092_data[1] & 0x01) ? true : false);
}
void crbaloon_state::pc3092_w(offs_t offset, uint8_t data)
{
m_pc3092_data[offset] = data & 0x0f;
LOGMASKED(LOG_PC3092, "%04X: write PC3092 #%d = 0x%02x\n", m_maincpu->pc(), offset, m_pc3092_data[offset]);
pc3092_update();
}
CUSTOM_INPUT_MEMBER(crbaloon_state::pc3092_r)
{
uint32_t ret;
/* enable coin & start input? Wild guess!!! */
if (m_pc3092_data[1] & 0x02)
ret = ioport("PC3092")->read();
else
ret = 0x00;
LOGMASKED(LOG_PC3092, "%s: read PC3092 = 0x%02x\n", 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
*
*************************************/
void crbaloon_state::pc3259_update(void)
{
/* nothing yet */
}
uint8_t crbaloon_state::pc3259_r(offs_t offset)
{
uint8_t ret = 0;
uint8_t reg = offset >> 2;
uint16_t collision_address = crbaloon_get_collision_address();
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;
}
LOGMASKED(LOG_PC3259, "%04X: read PC3259 #%d = 0x%02x\n", m_maincpu->pc(), reg, ret);
return ret | (ioport("DSW1")->read() & 0xf0);
}
/*************************************
*
* I/O ports
*
*************************************/
void crbaloon_state::port_sound_w(uint8_t data)
{
// D0 - interrupt enable - also goes to PC3259 as /HTCTRL
m_irq_mask = data & 0x01;
crbaloon_set_clear_collision_address(BIT(data, 0));
if (!m_irq_mask)
m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
// D1 - SOUND STOP
machine().sound().system_mute(!BIT(data, 1));
// D2 - unlabeled - music enable
crbaloon_audio_set_music_enable(BIT(data, 2));
// D3 - EXPLOSION
crbaloon_audio_set_explosion_enable(BIT(data, 3));
// D4 - BREATH
crbaloon_audio_set_breath_enable(BIT(data, 4));
// D5 - APPEAR
crbaloon_audio_set_appear_enable(BIT(data, 5));
// D6 - unlabeled - laugh enable
crbaloon_audio_set_laugh_enable(BIT(data, 6));
// D7 - unlabeled - goes to PC3259 pin 16
pc3259_update();
}
/*************************************
*
* Memory handlers
*
*************************************/
void crbaloon_state::main_map(address_map &map)
{
map.global_mask(0x7fff); /* A15 is not decoded */
map(0x0000, 0x3fff).rom(); /* not fully populated */
map(0x4000, 0x43ff).mirror(0x0400).ram();
map(0x4800, 0x4bff).mirror(0x0400).ram().w(FUNC(crbaloon_state::crbaloon_videoram_w)).share("videoram");
map(0x5000, 0x53ff).mirror(0x0400).ram().w(FUNC(crbaloon_state::crbaloon_colorram_w)).share("colorram");
map(0x5800, 0x7fff).noprw();
}
/*************************************
*
* Port handlers
*
*************************************/
void crbaloon_state::main_io_map(address_map &map)
{
map.global_mask(0xf);
map(0x00, 0x00).mirror(0x0c).portr("DSW0");
map(0x01, 0x01).mirror(0x0c).portr("IN0");
map(0x02, 0x02).select(0x0c).r(FUNC(crbaloon_state::pc3259_r));
map(0x03, 0x03).mirror(0x0c).portr("IN1");
map(0x00, 0x00).nopw(); /* not connected */
map(0x01, 0x01).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x02, 0x04).writeonly().share("spriteram");
map(0x05, 0x05).w(FUNC(crbaloon_state::crbaloon_audio_set_music_freq));
map(0x06, 0x06).w(FUNC(crbaloon_state::port_sound_w));
map(0x07, 0x0b).w(FUNC(crbaloon_state::pc3092_w)).share("pc3092_data");
map(0x0c, 0x0c).nopw(); /* MSK - to PC3259 */
map(0x0d, 0x0d).nopw(); /* schematics has it in a box marked "NOT USE" */
map(0x0e, 0x0f).nopw();
}
/*************************************
*
* 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_CUSTOM ) /* 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_CUSTOM ) PORT_CUSTOM_MEMBER(crbaloon_state, pc3092_r)
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( gfx_crbaloon )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 16 )
GFXDECODE_END
/*************************************
*
* Machine reset
*
*************************************/
void crbaloon_state::machine_reset()
{
pc3092_reset();
port_sound_w(0);
crbaloon_audio_set_music_freq(0);
}
/*************************************
*
* Machine driver
*
*************************************/
void crbaloon_state::vbl_int_w(int state)
{
if (state && m_irq_mask)
m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
}
void crbaloon_state::crbaloon(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, CRBALOON_MASTER_XTAL / 4); // CPU clock based on 1H?
m_maincpu->set_addrmap(AS_PROGRAM, &crbaloon_state::main_map);
m_maincpu->set_addrmap(AS_IO, &crbaloon_state::main_io_map);
WATCHDOG_TIMER(config, "watchdog").set_vblank_count("screen", 256);
// Reset pulse comes from last stage of 74LS393 (8J) driven by 2VBL
/* video hardware */
GFXDECODE(config, m_gfxdecode, "palette", gfx_crbaloon);
PALETTE(config, "palette", FUNC(crbaloon_state::crbaloon_palette), 32);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_video_attributes(VIDEO_ALWAYS_UPDATE);
screen.set_raw(CRBALOON_MASTER_XTAL / 2, 320, 0, 256, 262, 0, 224);
screen.set_screen_update(FUNC(crbaloon_state::screen_update_crbaloon));
screen.set_palette("palette");
screen.screen_vblank().set(FUNC(crbaloon_state::vbl_int_w));
/* audio hardware */
crbaloon_audio(config);
}
/*************************************
*
* 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, crbaloon_state, empty_init, ROT90, "Taito Corporation", "Crazy Balloon (set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1980, crbaloon2, crbaloon, crbaloon, crbaloon, crbaloon_state, empty_init, ROT90, "Taito Corporation", "Crazy Balloon (set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )