// license:BSD-3-Clause // copyright-holders:Dan Boris, Aaron Giles /*************************************************************************** Atari Return of the Jedi hardware driver by Dan Boris Games supported: * Return of the Jedi Notes: * The schematics show the smoothing PROMs as being twice as large, but the current sizes are confirmed via a PCB. The PROMs are 82S137 devices. **************************************************************************** Memory map **************************************************************************** ======================================================================== CPU #1 ======================================================================== 0000-07FF R/W xxxxxxxx Z-page Working RAM 0800-08FF R/W xxxxxxxx NVRAM 0C00 R xxxx-xxx Switch inputs #1 R x------- (right coin) R -x------ (left coin) R --x----- (aux coin) R ---x---- (self test) R -----x-- (left thumb switch) R ------x- (fire switches) R -------x (right thumb switch) 0C01 R xxx--x-- Communications R x------- (VBLANK) R -x------ (sound CPU communications latch full flag) R --x----- (sound CPU acknowledge latch flag) R -----x-- (slam switch) 1400 R xxxxxxxx Sound acknowledge latch 1800 R xxxxxxxx Read A/D conversion 1C00 W -------- Enable NVRAM 1C01 W -------- Disable NVRAM 1C80 W -------- Start A/D conversion (horizontal) 1C82 W -------- Start A/D conversion (vertical) 1D00 W -------- NVRAM store 1D80 W -------- Watchdog clear 1E00 W -------- Interrupt acknowledge 1E80 W x------- Left coin counter 1E81 W x------- Right coin counter 1E82 W x------- LED 1 (not used) 1E83 W x------- LED 2 (not used) 1E84 W x------- Alphanumerics bank select 1E86 W x------- Sound CPU reset 1E87 W x------- Video off 1F00 W xxxxxxxx Sound communications latch 1F80 W -----xxx Program ROM bank select 2000-23FF R/W xxxxxxxx Scrolling playfield (low 8 bits) 2400-27FF R/W ----xxxx Scrolling playfield (upper 4 bits) 2800-2BFF R/W xxxxxxxx Color RAM low R/W -----xxx (blue) R/W --xxx--- (green) R/W xx------ (red LSBs) 2C00-2FFF R/W ----xxxx Color RAM high R/W -------x (red MSB) R/W ----xxx- (intensity) 3000-37BF R/W xxxxxxxx Alphanumerics RAM 37C0-37EF R/W xxxxxxxx Motion object picture 3800-382F R/W -xxxxxxx Motion object flags R/W -x---xx- (picture bank) R/W --x----- (vertical flip) R/W ---x---- (horizontal flip) R/W ----x--- (32 pixels tall) R/W -------x (X position MSB) 3840-386F R/W xxxxxxxx (Y position) 38C0-38EF R/W xxxxxxxx (X position LSBs) 3C00-3C01 W xxxxxxxx Scrolling playfield vertical position 3D00-3D01 W xxxxxxxx Scrolling playfield horizontal position 3E00-3FFF W xxxxxxxx PIXI graphics expander RAM 4000-7FFF R xxxxxxxx Banked program ROM 8000-FFFF R xxxxxxxx Fixed program ROM ======================================================================== Interrupts: NMI not connected IRQ generated by 32V ======================================================================== ======================================================================== CPU #2 ======================================================================== 0000-07FF R/W xxxxxxxx Z-page working RAM 0800-083F R/W xxxxxxxx Custom I/O 1000 W -------- Interrupt acknowledge 1100 W xxxxxxxx Speech data 1200 W -------- Speech write strobe on 1300 W -------- Speech write strobe off 1400 W xxxxxxxx Main CPU acknowledge latch 1500 W -------x Speech chip reset 1800 R xxxxxxxx Main CPU communication latch 1C00 R x------- Speech chip ready 1C01 R xx------ Communications R x------- (sound CPU communication latch full flag) R -x------ (sound CPU acknowledge latch full flag) 8000-FFFF R xxxxxxxx Program ROM ======================================================================== Interrupts: NMI not connected IRQ generated by 32V ======================================================================== ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "machine/74259.h" #include "machine/adc0808.h" #include "machine/nvram.h" #include "machine/watchdog.h" #include "includes/jedi.h" /************************************* * * Interrupt handling * *************************************/ TIMER_CALLBACK_MEMBER(jedi_state::generate_interrupt) { int scanline = param; /* IRQ is set by /32V */ m_maincpu->set_input_line(M6502_IRQ_LINE, (scanline & 32) ? CLEAR_LINE : ASSERT_LINE); m_audiocpu->set_input_line(M6502_IRQ_LINE, (scanline & 32) ? CLEAR_LINE : ASSERT_LINE); /* set up for the next */ scanline += 32; if (scanline > 256) scanline = 32; m_interrupt_timer->adjust(m_screen->time_until_pos(scanline), scanline); } void jedi_state::main_irq_ack_w(u8 data) { m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE); } /************************************* * * Start * *************************************/ void jedi_state::machine_start() { /* set a timer to run the interrupts */ m_interrupt_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(jedi_state::generate_interrupt),this)); m_interrupt_timer->adjust(m_screen->time_until_pos(32), 32); /* configure the banks */ m_mainbank->configure_entries(0, 3, memregion("maincpu")->base() + 0x10000, 0x4000); } /************************************* * * Reset * *************************************/ void jedi_state::machine_reset() { m_novram[0]->recall(1); m_novram[1]->recall(1); } /************************************* * * Main program ROM banking * *************************************/ void jedi_state::rom_banksel_w(u8 data) { if (data & 0x01) m_mainbank->set_entry(0); if (data & 0x02) m_mainbank->set_entry(1); if (data & 0x04) m_mainbank->set_entry(2); } /************************************* * * I/O ports * *************************************/ WRITE_LINE_MEMBER(jedi_state::coin_counter_left_w) { machine().bookkeeping().coin_counter_w(0, state); } WRITE_LINE_MEMBER(jedi_state::coin_counter_right_w) { machine().bookkeeping().coin_counter_w(1, state); } /************************************* * * X2212-30 NOVRAM * *************************************/ READ8_MEMBER(jedi_state::novram_data_r) { return (m_novram[0]->read(space, offset) & 0x0f) | (m_novram[1]->read(space, offset) << 4); } WRITE8_MEMBER(jedi_state::novram_data_w) { m_novram[0]->write(space, offset, data & 0x0f); m_novram[1]->write(space, offset, data >> 4); } void jedi_state::novram_recall_w(offs_t offset, u8 data) { m_novram[0]->recall(BIT(offset, 0)); m_novram[1]->recall(BIT(offset, 0)); } void jedi_state::novram_store_w(u8 data) { m_novram[0]->store(1); m_novram[1]->store(1); m_novram[0]->store(0); m_novram[1]->store(0); } /************************************* * * Main CPU memory handlers * *************************************/ void jedi_state::main_map(address_map &map) { map(0x0000, 0x07ff).ram(); map(0x0800, 0x08ff).mirror(0x0300).rw(FUNC(jedi_state::novram_data_r), FUNC(jedi_state::novram_data_w)); map(0x0c00, 0x0c00).mirror(0x03fe).portr("0c00").nopw(); map(0x0c01, 0x0c01).mirror(0x03fe).portr("0c01").nopw(); map(0x1000, 0x13ff).noprw(); map(0x1400, 0x1400).mirror(0x03ff).r("sacklatch", FUNC(generic_latch_8_device::read)).nopw(); map(0x1800, 0x1800).mirror(0x03ff).r("adc", FUNC(adc0808_device::data_r)).nopw(); map(0x1c00, 0x1c01).mirror(0x007e).nopr().w(FUNC(jedi_state::novram_recall_w)); map(0x1c80, 0x1c87).mirror(0x0078).nopr().w("adc", FUNC(adc0808_device::address_offset_start_w)); map(0x1d00, 0x1d00).mirror(0x007f).nopr().w(FUNC(jedi_state::novram_store_w)); map(0x1d80, 0x1d80).mirror(0x007f).nopr().w("watchdog", FUNC(watchdog_timer_device::reset_w)); map(0x1e00, 0x1e00).mirror(0x007f).nopr().w(FUNC(jedi_state::main_irq_ack_w)); map(0x1e80, 0x1e87).mirror(0x0078).nopr().w("outlatch", FUNC(ls259_device::write_d7)); map(0x1f00, 0x1f00).mirror(0x007f).nopr().w("soundlatch", FUNC(generic_latch_8_device::write)); map(0x1f80, 0x1f80).mirror(0x007f).nopr().w(FUNC(jedi_state::rom_banksel_w)); map(0x2000, 0x27ff).ram().share("backgroundram"); map(0x2800, 0x2bff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette"); map(0x2c00, 0x2fff).ram().w(m_palette, FUNC(palette_device::write8_ext)).share("palette_ext"); map(0x3000, 0x37bf).ram().share("foregroundram"); map(0x37c0, 0x3bff).ram().share("spriteram"); map(0x3c00, 0x3c01).mirror(0x00fe).nopr().w(FUNC(jedi_state::vscroll_w)); map(0x3d00, 0x3d01).mirror(0x00fe).nopr().w(FUNC(jedi_state::hscroll_w)); map(0x3e00, 0x3e00).mirror(0x01ff).writeonly().share("smoothing_table"); map(0x4000, 0x7fff).bankr("mainbank"); map(0x8000, 0xffff).rom(); } /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( jedi ) PORT_START("0c00") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_SERVICE( 0x10, IP_ACTIVE_LOW ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_START("0c01") PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_TILT ) PORT_BIT( 0x18, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x60, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(jedi_state, jedi_audio_comm_stat_r) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") PORT_START("STICKY") PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_START("STICKX") PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) INPUT_PORTS_END /************************************* * * Machine driver * *************************************/ void jedi_state::jedi(machine_config &config) { /* basic machine hardware */ M6502(config, m_maincpu, JEDI_MAIN_CPU_CLOCK); m_maincpu->set_addrmap(AS_PROGRAM, &jedi_state::main_map); config.set_maximum_quantum(attotime::from_hz(240)); X2212(config, "novram12b"); X2212(config, "novram12c"); adc0809_device &adc(ADC0809(config, "adc", JEDI_AUDIO_CPU_OSC / 2 / 9)); // nominally 666 kHz adc.in_callback<0>().set_ioport("STICKY"); adc.in_callback<1>().set_constant(0); // SPARE adc.in_callback<2>().set_ioport("STICKX"); adc.in_callback<3>().set_constant(0); // SPARE ls259_device &outlatch(LS259(config, "outlatch")); // 14J outlatch.q_out_cb<0>().set(FUNC(jedi_state::coin_counter_left_w)); outlatch.q_out_cb<1>().set(FUNC(jedi_state::coin_counter_right_w)); outlatch.q_out_cb<2>().set_nop(); // LED control - not used outlatch.q_out_cb<3>().set_nop(); // LED control - not used outlatch.q_out_cb<4>().set(FUNC(jedi_state::foreground_bank_w)); outlatch.q_out_cb<6>().set(FUNC(jedi_state::audio_reset_w)); outlatch.q_out_cb<7>().set(FUNC(jedi_state::video_off_w)); WATCHDOG_TIMER(config, "watchdog"); /* video hardware */ jedi_video(config); /* audio hardware */ jedi_audio(config); } /************************************* * * ROM definitions * *************************************/ ROM_START( jedi ) ROM_REGION( 0x1C000, "maincpu", 0 ) /* 64k for code + 48k for banked ROMs */ ROM_LOAD( "136030-221.14f", 0x08000, 0x4000, CRC(414d05e3) SHA1(e5f5f8d85433467a13d6ca9e3889e07a62b00e52) ) ROM_LOAD( "136030-222.13f", 0x0c000, 0x4000, CRC(7b3f21be) SHA1(8fe62401f9b78c7a3e62b544c4b705b1bfa9b8f3) ) ROM_LOAD( "136030-123.13d", 0x10000, 0x4000, CRC(877f554a) SHA1(8b51109cabd84741b024052f892b3172fbe83223) ) /* Page 0 */ ROM_LOAD( "136030-124.13b", 0x14000, 0x4000, CRC(e72d41db) SHA1(1b3fcdc435f1e470e8d5b7241856e398a4c3910e) ) /* Page 1 */ ROM_LOAD( "136030-122.13a", 0x18000, 0x4000, CRC(cce7ced5) SHA1(bff031a637aefca713355dbf251dcb5c2cea0885) ) /* Page 2 */ ROM_REGION( 0x10000, "audiocpu", 0 ) /* space for the sound ROMs */ ROM_LOAD( "136030-133.01c", 0x8000, 0x4000, CRC(6c601c69) SHA1(618b77800bbbb4db34a53ca974a71bdaf89b5930) ) ROM_LOAD( "136030-134.01a", 0xC000, 0x4000, CRC(5e36c564) SHA1(4b0afceb9a1d912f1d5c1f26928d244d5b14ea4a) ) ROM_REGION( 0x02000, "tx_gfx",0 ) ROM_LOAD( "136030-215.11t", 0x00000, 0x2000, CRC(3e49491f) SHA1(ade5e846069c2fa6edf667469d13ce5a6a45c06d) ) /* Alphanumeric */ ROM_REGION( 0x10000, "bg_gfx",0 ) ROM_LOAD( "136030-126.06r", 0x00000, 0x8000, CRC(9c55ece8) SHA1(b8faa23314bb0d199ef46199bfabd9cb17510dd3) ) /* Playfield */ ROM_LOAD( "136030-127.06n", 0x08000, 0x8000, CRC(4b09dcc5) SHA1(d46b5f4fb69c4b8d823dd9c4d92f8713badfa44a) ) ROM_REGION( 0x20000, "spr_gfx", 0 ) ROM_LOAD( "136030-130.01h", 0x00000, 0x8000, CRC(2646a793) SHA1(dcb5fd50eafbb27565bce099a884be83a9d82285) ) /* Sprites */ ROM_LOAD( "136030-131.01f", 0x08000, 0x8000, CRC(60107350) SHA1(ded03a46996d3f2349df7f59fd435a7ad6ed465e) ) ROM_LOAD( "136030-128.01m", 0x10000, 0x8000, CRC(24663184) SHA1(5eba142ed926671ee131430944e59f21a55a5c57) ) ROM_LOAD( "136030-129.01k", 0x18000, 0x8000, CRC(ac86b98c) SHA1(9f86c8801a7293fa46e9432f1651dd85bf00f4b9) ) ROM_REGION( 0x1000, "proms", 0 ) /* background smoothing */ ROM_LOAD( "136030-117.bin", 0x0000, 0x0400, CRC(9831bd55) SHA1(12945ef2d1582914125b9ee591567034d71d6573) ) ROM_LOAD( "136030-118.bin", 0x0800, 0x0400, CRC(261fbfe7) SHA1(efc65a74a3718563a07b718e34d8a7aa23339a69) ) // NOVRAM default fills are specified to guarantee an invalid checksum ROM_REGION( 0x100, "novram12b", 0 ) ROM_FILL( 0x00, 0x100, 0x0f ) ROM_FILL( 0x50, 0x010, 0x00 ) ROM_REGION( 0x100, "novram12c", 0 ) ROM_FILL( 0x00, 0x100, 0x0f ) ROM_FILL( 0x50, 0x010, 0x00 ) ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1984, jedi, 0, jedi, jedi, jedi_state, empty_init, ROT0, "Atari", "Return of the Jedi", MACHINE_SUPPORTS_SAVE )