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|
// license:BSD-3-Clause
// copyright-holders:Dan Boris
/***************************************************************************
Sun Electronics Arabian hardware
driver by Dan Boris
Games supported:
* Arabian [2 sets]
Known bugs:
* none at this time
****************************************************************************
Memory map
****************************************************************************
========================================================================
CPU #1 (Arabian)
========================================================================
0000-7FFF R xxxxxxxx Program ROM
8000-BFFF R/W xxxxxxxx Bitmap RAM
C000 R ----xxxx Coin inputs
C200 R ----xxxx Option switches
D000-DFFF R/W xxxxxxxx Custom microprocessor RAM
E000 W ----xxxx BSEL Bank select
E001 W xxxxxxxx DMA ROM start address low
E002 W xxxxxxxx DMA ROM start address high
E003 W xxxxxxxx DMA RAM start address low
E004 W xxxxxxxx DMA RAM start address high
E005 W xxxxxxxx Picture size/DMA start low
E006 W xxxxxxxx Picture size/DMA start high
========================================================================
C800 W xxxxxxxx Sound chip address
CA00 R/W xxxxxxxx Sound chip data
========================================================================
Interrupts:
NMI not connected
IRQ generated by VBLANK
========================================================================
***************************************************************************/
#include "emu.h"
#include "includes/arabian.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "screen.h"
#include "speaker.h"
/* constants */
#define MAIN_OSC XTAL(12'000'000)
/*************************************
*
* Audio chip output ports
*
*************************************/
void arabian_state::ay8910_porta_w(uint8_t data)
{
/*
bit 7 = ENA
bit 6 = ENB
bit 5 = /ABHF
bit 4 = /AGHF
bit 3 = /ARHF
*/
m_video_control = data;
}
void arabian_state::ay8910_portb_w(uint8_t data)
{
/*
bit 5 = /IREQ to custom CPU
bit 4 = /SRES to custom CPU
bit 1 = coin 2 counter
bit 0 = coin 1 counter
*/
m_mcu->set_input_line(MB88_IRQ_LINE, data & 0x20 ? CLEAR_LINE : ASSERT_LINE);
m_mcu->set_input_line(INPUT_LINE_RESET, data & 0x10 ? CLEAR_LINE : ASSERT_LINE);
/* clock the coin counters */
machine().bookkeeping().coin_counter_w(1, ~data & 0x02);
machine().bookkeeping().coin_counter_w(0, ~data & 0x01);
}
/*************************************
*
* Custom CPU (MB8841 MCU)
*
*************************************/
uint8_t arabian_state::mcu_port_r0_r()
{
uint8_t val = m_mcu_port_r[0];
/* RAM mode is enabled */
val |= 4;
return val;
}
uint8_t arabian_state::mcu_port_r1_r()
{
uint8_t val = m_mcu_port_r[1];
return val;
}
uint8_t arabian_state::mcu_port_r2_r()
{
uint8_t val = m_mcu_port_r[2];
return val;
}
uint8_t arabian_state::mcu_port_r3_r()
{
uint8_t val = m_mcu_port_r[3];
return val;
}
void arabian_state::mcu_port_r0_w(uint8_t data)
{
uint32_t ram_addr = ((m_mcu_port_p & 7) << 8) | m_mcu_port_o;
if (~data & 2)
m_custom_cpu_ram[ram_addr] = 0xf0 | m_mcu_port_r[3];
m_flip_screen = data & 8;
m_mcu_port_r[0] = data & 0x0f;
}
void arabian_state::mcu_port_r1_w(uint8_t data)
{
m_mcu_port_r[1] = data & 0x0f;
}
void arabian_state::mcu_port_r2_w(uint8_t data)
{
m_mcu_port_r[2] = data & 0x0f;
}
void arabian_state::mcu_port_r3_w(uint8_t data)
{
m_mcu_port_r[3] = data & 0x0f;
}
uint8_t arabian_state::mcu_portk_r()
{
uint8_t val = 0xf;
if (~m_mcu_port_r[0] & 1)
{
uint32_t ram_addr = ((m_mcu_port_p & 7) << 8) | m_mcu_port_o;
val = m_custom_cpu_ram[ram_addr];
}
else
{
static const char *const comnames[] = { "COM0", "COM1", "COM2", "COM3", "COM4", "COM5" };
uint8_t sel = ((m_mcu_port_r[2] << 4) | m_mcu_port_r[1]) & 0x3f;
int i;
for (i = 0; i < 6; ++i)
{
if (~sel & (1 << i))
{
val = ioport(comnames[i])->read();
break;
}
}
}
return val & 0x0f;
}
void arabian_state::mcu_port_o_w(uint8_t data)
{
uint8_t out = data & 0x0f;
if (data & 0x10)
m_mcu_port_o = (m_mcu_port_o & 0x0f) | (out << 4);
else
m_mcu_port_o = (m_mcu_port_o & 0xf0) | out;
}
void arabian_state::mcu_port_p_w(uint8_t data)
{
m_mcu_port_p = data & 0x0f;
}
/*************************************
*
* Main CPU memory handlers
*
*************************************/
void arabian_state::main_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0x8000, 0xbfff).w(FUNC(arabian_state::arabian_videoram_w));
map(0xc000, 0xc000).mirror(0x01ff).portr("IN0");
map(0xc200, 0xc200).mirror(0x01ff).portr("DSW1");
map(0xd000, 0xd7ff).mirror(0x0800).ram().share("custom_cpu_ram");
map(0xe000, 0xe007).mirror(0x0ff8).w(FUNC(arabian_state::arabian_blitter_w)).share("blitter");
}
/*************************************
*
* Main CPU port handlers
*
*************************************/
void arabian_state::main_io_map(address_map &map)
{
map(0xc800, 0xc800).mirror(0x01ff).w("aysnd", FUNC(ay8910_device::address_w));
map(0xca00, 0xca00).mirror(0x01ff).w("aysnd", FUNC(ay8910_device::data_w));
}
/*************************************
*
* Port definitions
*
*************************************/
static INPUT_PORTS_START( arabian )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_SERVICE( 0x04, IP_ACTIVE_HIGH ) /* also adds 1 credit */
PORT_BIT( 0xf8, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("DSW1")
PORT_DIPNAME( 0x01, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:!1")
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x01, "5" )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:!2")
PORT_DIPSETTING( 0x02, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:!3")
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:!4") /* Carry Bowls to Next Life */
PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) /* not reset "ARABIAN" letters */
PORT_DIPSETTING( 0x08, DEF_STR( Hard ) ) /* reset "ARABIAN" letters */
PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:!5,!6,!7,!8")
PORT_DIPSETTING( 0x10, "A 2/1 B 2/1" )
PORT_DIPSETTING( 0x20, "A 2/1 B 1/3" )
PORT_DIPSETTING( 0x00, "A 1/1 B 1/1" )
PORT_DIPSETTING( 0x30, "A 1/1 B 1/2" )
PORT_DIPSETTING( 0x40, "A 1/1 B 1/3" )
PORT_DIPSETTING( 0x50, "A 1/1 B 1/4" )
PORT_DIPSETTING( 0x60, "A 1/1 B 1/5" )
PORT_DIPSETTING( 0x70, "A 1/1 B 1/6" )
PORT_DIPSETTING( 0x80, "A 1/2 B 1/2" )
PORT_DIPSETTING( 0x90, "A 1/2 B 1/4" )
PORT_DIPSETTING( 0xa0, "A 1/2 B 1/5" )
PORT_DIPSETTING( 0xe0, "A 1/2 B 1/6" )
PORT_DIPSETTING( 0xb0, "A 1/2 B 1/10" )
PORT_DIPSETTING( 0xc0, "A 1/2 B 1/11" )
PORT_DIPSETTING( 0xd0, "A 1/2 B 1/12" )
PORT_DIPSETTING( 0xf0, DEF_STR( Free_Play ) )
PORT_START("COM0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* IN3 : "AUX-S" */
PORT_START("COM1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_START("COM2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN9 */
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN10 */
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN11 */
PORT_START("COM3")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
PORT_START("COM4")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN17 */
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN18 */
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN19 */
PORT_START("COM5")
PORT_DIPNAME( 0x01, 0x01, "Coin Counters" ) PORT_DIPLOCATION("SW2:!1")
PORT_DIPSETTING( 0x01, "1" )
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:!2")
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:!3,!4")
PORT_DIPSETTING( 0x0c, "30k 70k 40k+" ) /* last bonus life at 870k : max. 22 bonus lives */
PORT_DIPSETTING( 0x04, "20k only" )
PORT_DIPSETTING( 0x08, "40k only" )
PORT_DIPSETTING( 0x00, DEF_STR( None ) )
INPUT_PORTS_END
static INPUT_PORTS_START( arabiana )
PORT_INCLUDE( arabian )
PORT_MODIFY("COM5")
PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:!3,!4")
PORT_DIPSETTING( 0x0c, "20k 50k 150k 100k+" ) /* last bonus life at 850k : max. 10 bonus lives */
PORT_DIPSETTING( 0x04, "20k only" )
PORT_DIPSETTING( 0x08, "40k only" )
PORT_DIPSETTING( 0x00, DEF_STR( None ) )
INPUT_PORTS_END
/*************************************
*
* Machine driver
*
*************************************/
void arabian_state::machine_start()
{
save_item(NAME(m_mcu_port_o));
save_item(NAME(m_mcu_port_p));
save_item(NAME(m_mcu_port_r));
}
void arabian_state::machine_reset()
{
m_video_control = 0;
}
void arabian_state::arabian(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, MAIN_OSC/4);
m_maincpu->set_addrmap(AS_PROGRAM, &arabian_state::main_map);
m_maincpu->set_addrmap(AS_IO, &arabian_state::main_io_map);
m_maincpu->set_vblank_int("screen", FUNC(arabian_state::irq0_line_hold));
MB8841(config, m_mcu, MAIN_OSC/3/2);
m_mcu->read_k().set(FUNC(arabian_state::mcu_portk_r));
m_mcu->write_o().set(FUNC(arabian_state::mcu_port_o_w));
m_mcu->write_p().set(FUNC(arabian_state::mcu_port_p_w));
m_mcu->read_r<0>().set(FUNC(arabian_state::mcu_port_r0_r));
m_mcu->write_r<0>().set(FUNC(arabian_state::mcu_port_r0_w));
m_mcu->read_r<1>().set(FUNC(arabian_state::mcu_port_r1_r));
m_mcu->write_r<1>().set(FUNC(arabian_state::mcu_port_r1_w));
m_mcu->read_r<2>().set(FUNC(arabian_state::mcu_port_r2_r));
m_mcu->write_r<2>().set(FUNC(arabian_state::mcu_port_r2_w));
m_mcu->read_r<3>().set(FUNC(arabian_state::mcu_port_r3_r));
m_mcu->write_r<3>().set(FUNC(arabian_state::mcu_port_r3_w));
config.set_maximum_quantum(attotime::from_hz(6000));
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(256, 256);
screen.set_visarea(0, 255, 11, 244);
screen.set_screen_update(FUNC(arabian_state::screen_update_arabian));
screen.set_palette(m_palette);
PALETTE(config, m_palette, FUNC(arabian_state::arabian_palette), 256 * 32);
/* sound hardware */
SPEAKER(config, "mono").front_center();
ay8910_device &aysnd(AY8910(config, "aysnd", MAIN_OSC/4/2));
aysnd.port_a_write_callback().set(FUNC(arabian_state::ay8910_porta_w));
aysnd.port_b_write_callback().set(FUNC(arabian_state::ay8910_portb_w));
aysnd.add_route(ALL_OUTPUTS, "mono", 0.50);
}
/*************************************
*
* ROM definitions
*
*************************************/
ROM_START( arabian )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "ic1rev2.87", 0x0000, 0x2000, CRC(5e1c98b8) SHA1(1775b7b125dde3502aefcf6221662e82f55b3f2a) )
ROM_LOAD( "ic2rev2.88", 0x2000, 0x2000, CRC(092f587e) SHA1(a722a61d35629ff4087c7a5e4c98b3ab51d6322b) )
ROM_LOAD( "ic3rev2.89", 0x4000, 0x2000, CRC(15145f23) SHA1(ae250116b57455ed84948cd9a6bdda86b2ac3e16) )
ROM_LOAD( "ic4rev2.90", 0x6000, 0x2000, CRC(32b77b44) SHA1(9d7951e723bc65e3d607f89836f1436b99f2585b) )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "tvg-91.ic84", 0x0000, 0x2000, CRC(c4637822) SHA1(0c73d9a4db925421a535784780ad93bb0f091051) )
ROM_LOAD( "tvg-92.ic85", 0x2000, 0x2000, CRC(f7c6866d) SHA1(34f545c5f7c152cd59f7be0a72105f739852cd6a) )
ROM_LOAD( "tvg-93.ic86", 0x4000, 0x2000, CRC(71acd48d) SHA1(cd0bffed351b14c9aebbfc1d3d4d232a5b91a68f) )
ROM_LOAD( "tvg-94.ic87", 0x6000, 0x2000, CRC(82160b9a) SHA1(03511f6ebcf22ba709a80a565e71acf5bdecbabb) )
ROM_REGION( 0x800, "mcu", 0 )
ROM_LOAD( "sun-8212.ic3", 0x000, 0x800, CRC(8869611e) SHA1(c6443f3bcb0cdb4d7b1b19afcbfe339c300f36aa) )
ROM_END
ROM_START( arabiana )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "tvg-87.ic1", 0x0000, 0x2000, CRC(51e9a6b1) SHA1(a2e6beab5380eed56972f5625be21b01c7e2082a) )
ROM_LOAD( "tvg-88.ic2", 0x2000, 0x2000, CRC(1cdcc1ab) SHA1(46886d53cc8a1c1d540fd0e1ddf1811fb256c1f3) )
ROM_LOAD( "tvg-89.ic3", 0x4000, 0x2000, CRC(b7b7faa0) SHA1(719418b7b7c057acb6d3060cf7061ffacf00798c) )
ROM_LOAD( "tvg-90.ic4", 0x6000, 0x2000, CRC(dbded961) SHA1(ecc09fa95f6dd58c4ac0e095a89ffd3aae681da4) )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "tvg-91.ic84", 0x0000, 0x2000, CRC(c4637822) SHA1(0c73d9a4db925421a535784780ad93bb0f091051) )
ROM_LOAD( "tvg-92.ic85", 0x2000, 0x2000, CRC(f7c6866d) SHA1(34f545c5f7c152cd59f7be0a72105f739852cd6a) )
ROM_LOAD( "tvg-93.ic86", 0x4000, 0x2000, CRC(71acd48d) SHA1(cd0bffed351b14c9aebbfc1d3d4d232a5b91a68f) )
ROM_LOAD( "tvg-94.ic87", 0x6000, 0x2000, CRC(82160b9a) SHA1(03511f6ebcf22ba709a80a565e71acf5bdecbabb) )
ROM_REGION( 0x800, "mcu", 0 )
ROM_LOAD( "sun-8212.ic3", 0x000, 0x800, CRC(8869611e) SHA1(c6443f3bcb0cdb4d7b1b19afcbfe339c300f36aa) )
ROM_END
/*************************************
*
* Game drivers
*
*************************************/
GAME( 1983, arabian, 0, arabian, arabian, arabian_state, empty_init, ROT270, "Sun Electronics", "Arabian", MACHINE_SUPPORTS_SAVE )
GAME( 1983, arabiana, arabian, arabian, arabiana, arabian_state, empty_init, ROT270, "Sun Electronics (Atari license)", "Arabian (Atari)", MACHINE_SUPPORTS_SAVE )
|