diff options
Diffstat (limited to 'src/mame/drivers/beathead.cpp')
-rw-r--r-- | src/mame/drivers/beathead.cpp | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/src/mame/drivers/beathead.cpp b/src/mame/drivers/beathead.cpp deleted file mode 100644 index e5590015a80..00000000000 --- a/src/mame/drivers/beathead.cpp +++ /dev/null @@ -1,406 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Aaron Giles -/*************************************************************************** - - Atari "Stella on Steroids" hardware - -**************************************************************************** - - Games supported: - * BeatHead - - Known bugs: - * none known - -**************************************************************************** - - Memory map - - =================================================================================================== - MAIN CPU - =================================================================================================== - 00000000-0001FFFFF R/W xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx Main RAM - 01800000-01BFFFFFF R xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx Main ROM - 40000000-4000007FF R/W -------- -------- -------- xxxxxxxx EEPROM - 41000000 R -------- -------- -------- xxxxxxxx Data from sound board - 41000000 W -------- -------- -------- xxxxxxxx Data to sound board - 41000100 R -------- -------- -------- -----xxx Interrupt enables - -------- -------- -------- -----x-- (scanline int enable) - -------- -------- -------- ------x- (unknown int enable) - -------- -------- -------- -------x (unknown int enable) - 41000100 W -------- -------- -------- -------- Interrupt acknowledge - 41000104 W -------- -------- -------- -------- Unknown int disable - 41000108 W -------- -------- -------- -------- Unknown int disable - 4100010c W -------- -------- -------- -------- Scanline int disable - 41000114 W -------- -------- -------- -------- Unknown int enable - 41000118 W -------- -------- -------- -------- Unknown int enable - 4100011c W -------- -------- -------- -------- Scanline int enable - 41000200 R -------- -------- xxxx--xx xxxx--xx Player 2/3 inputs - R -------- -------- xxxx---- -------- (player 3 joystick UDLR) - R -------- -------- ------x- -------- (player 3 button 1) - R -------- -------- -------x -------- (player 3 button 2) - R -------- -------- -------- xxxx---- (player 2 joystick UDLR) - R -------- -------- -------- ------x- (player 2 button 1) - R -------- -------- -------- -------x (player 2 button 2) - 41000204 R -------- -------- xxxx--xx xxxx--xx Player 1/4 inputs - R -------- -------- xxxx---- -------- (player 1 joystick UDLR) - R -------- -------- ------x- -------- (player 1 button 1) - R -------- -------- -------x -------- (player 1 button 2) - R -------- -------- -------- xxxx---- (player 4 joystick UDLR) - R -------- -------- -------- ------x- (player 4 button 1) - R -------- -------- -------- -------x (player 4 button 2) - 41000208 W -------- -------- -------- -------- Sound /RESET assert - 4100020C W -------- -------- -------- -------- Sound /RESET deassert - 41000220 W -------- -------- -------- -------- Coin counter assert - 41000224 W -------- -------- -------- -------- Coin counter deassert - 41000300 R -------- -------- xxxxxxxx -xxx---- DIP switches/additional inputs - R -------- -------- xxxxxxxx -------- (debug DIP switches) - R -------- -------- -------- -x------ (service switch) - R -------- -------- -------- --x----- (sound output buffer full) - R -------- -------- -------- ---x---- (sound input buffer full) - 41000304 R -------- -------- -------- xxxxxxxx Coin/service inputs - R -------- -------- -------- xxxx---- (service inputs: R,RC,LC,L) - R -------- -------- -------- ----xxxx (coin inputs: R,RC,LC,L) - 41000400 W -------- -------- -------- -xxxxxxx Palette select - 41000500 W -------- -------- -------- -------- EEPROM write enable - 41000600 W -------- -------- -------- ----xxxx Finescroll, vertical SYNC flags - W -------- -------- -------- ----x--- (VBLANK) - W -------- -------- -------- -----x-- (VSYNC) - W -------- -------- -------- ------xx (fine scroll value) - 41000700 W -------- -------- -------- -------- Watchdog reset - 42000000-4201FFFF R/W -------- -------- xxxxxxxx xxxxxxxx Palette RAM - R/W -------- -------- x------- -------- (LSB of all three components) - R/W -------- -------- -xxxxx-- -------- (red component) - R/W -------- -------- ------xx xxx----- (green component) - R/W -------- -------- -------- ---xxxxx (blue component) - 43000000 W -------- -------- ----xxxx xxxxxxxx HSYNC RAM address latch - W -------- -------- ----x--- -------- (counter enable) - W -------- -------- -----xxx xxxxxxxx (RAM address) - 43000004 R/W -------- -------- -------- xxxxx--- HSYNC RAM data latch - R/W -------- -------- -------- x------- (generate IRQ) - R/W -------- -------- -------- -x------ (VRAM shift enable) - R/W -------- -------- -------- --x----- (HBLANK) - R/W -------- -------- -------- ---x---- (/HSYNC) - R/W -------- -------- -------- ----x--- (release wait for sync) - 43000008 W -------- -------- -------- ---x-xx- HSYNC unknown control - 8DF80000 R -------- -------- -------- -------- Unknown - 8F380000-8F3FFFFF W -------- -------- -------- -------- VRAM latch address - 8F900000-8F97FFFF W xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx VRAM transparent write - 8F980000-8F9FFFFF R/W xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx VRAM standard read/write - 8FB80000-8FBFFFFF W ----xxxx ----xxxx ----xxxx ----xxxx VRAM "bulk" write - W ----xxxx -------- -------- -------- (enable byte lanes for word 3?) - W -------- ----xxxx -------- -------- (enable byte lanes for word 2?) - W -------- -------- ----xxxx -------- (enable byte lanes for word 1?) - W -------- -------- -------- ----xxxx (enable byte lanes for word 0?) - 8FFF8000 W xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx VRAM "bulk" data latch - 9E280000-9E2FFFFF W -------- -------- -------- -------- VRAM copy destination address latch - =================================================================================================== - -***************************************************************************/ - - -#include "emu.h" -#include "includes/beathead.h" -#include "machine/eeprompar.h" -#include "machine/watchdog.h" -#include "speaker.h" - - -#define MAX_SCANLINES 262 - - - -/************************************* - * - * Machine init - * - *************************************/ - -TIMER_DEVICE_CALLBACK_MEMBER(beathead_state::scanline_callback) -{ - int scanline = param; - - /* update the video */ - m_screen->update_partial(m_screen->vpos()); - - /* on scanline zero, clear any halt condition */ - if (scanline == 0) - m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); - - /* wrap around at 262 */ - scanline++; - if (scanline >= MAX_SCANLINES) - scanline = 0; - - /* set the scanline IRQ */ - m_irq_state[2] = 1; - update_interrupts(); - - /* set the timer for the next one */ - m_scan_timer->adjust(m_screen->time_until_pos(scanline) - m_hblank_offset, scanline); -} - -void beathead_state::machine_reset() -{ - /* the code is temporarily mapped at 0 at startup */ - /* just copying the first 0x40 bytes is sufficient */ - memcpy(m_ram_base, m_rom_base, 0x40); - - /* compute the timing of the HBLANK interrupt and set the first timer */ - m_hblank_offset = m_screen->scan_period() * (455 - 336 - 25) / 455; - - m_scan_timer->adjust(m_screen->time_until_pos(0) - m_hblank_offset); - - /* reset IRQs */ - m_irq_line_state = CLEAR_LINE; - m_irq_state[0] = m_irq_state[1] = m_irq_state[2] = 0; - m_irq_enable[0] = m_irq_enable[1] = m_irq_enable[2] = 0; -} - - - -/************************************* - * - * Interrupt handling - * - *************************************/ - -void beathead_state::update_interrupts() -{ - int gen_int; - - /* compute the combined interrupt signal */ - gen_int = m_irq_state[0] & m_irq_enable[0]; - gen_int |= m_irq_state[1] & m_irq_enable[1]; - gen_int |= m_irq_state[2] & m_irq_enable[2]; - gen_int = gen_int ? ASSERT_LINE : CLEAR_LINE; - - /* if it's changed since the last time, call through */ - if (m_irq_line_state != gen_int) - { - m_irq_line_state = gen_int; - //if (m_irq_line_state != CLEAR_LINE) - m_maincpu->set_input_line(ASAP_IRQ0, m_irq_line_state); - //else - //asap_set_irq_line(ASAP_IRQ0, m_irq_line_state); - } -} - - -WRITE32_MEMBER( beathead_state::interrupt_control_w ) -{ - int irq = offset & 3; - int control = (offset >> 2) & 1; - - /* offsets 1-3 seem to be the enable latches for the IRQs */ - if (irq != 0) - m_irq_enable[irq - 1] = control; - - /* offset 0 seems to be the interrupt ack */ - else - m_irq_state[0] = m_irq_state[1] = m_irq_state[2] = 0; - - /* update the current state */ - update_interrupts(); -} - - -READ32_MEMBER( beathead_state::interrupt_control_r ) -{ - /* return the enables as a bitfield */ - return (m_irq_enable[0]) | (m_irq_enable[1] << 1) | (m_irq_enable[2] << 2); -} - - - -/************************************* - * - * Sound communication - * - *************************************/ - -WRITE32_MEMBER( beathead_state::sound_reset_w ) -{ - logerror("Sound reset = %d\n", !offset); - m_jsa->soundcpu().set_input_line(INPUT_LINE_RESET, offset ? CLEAR_LINE : ASSERT_LINE); -} - - - -/************************************* - * - * Misc other I/O - * - *************************************/ - -WRITE32_MEMBER( beathead_state::coin_count_w ) -{ - machine().bookkeeping().coin_counter_w(0, !offset); -} - - - -/************************************* - * - * Main CPU memory handlers - * - *************************************/ - -void beathead_state::main_map(address_map &map) -{ - map(0x00000000, 0x0001ffff).ram().share("ram_base"); - map(0x01800000, 0x01bfffff).rom().region("user1", 0).share("rom_base"); - map(0x40000000, 0x400007ff).rw("eeprom", FUNC(eeprom_parallel_28xx_device::read), FUNC(eeprom_parallel_28xx_device::write)).umask32(0x000000ff); - map(0x41000000, 0x41000000).rw(m_jsa, FUNC(atari_jsa_iii_device::main_response_r), FUNC(atari_jsa_iii_device::main_command_w)); - map(0x41000100, 0x41000103).r(FUNC(beathead_state::interrupt_control_r)); - map(0x41000100, 0x4100011f).w(FUNC(beathead_state::interrupt_control_w)); - map(0x41000200, 0x41000203).portr("IN1"); - map(0x41000204, 0x41000207).portr("IN0"); - map(0x41000208, 0x4100020f).w(FUNC(beathead_state::sound_reset_w)); - map(0x41000220, 0x41000227).w(FUNC(beathead_state::coin_count_w)); - map(0x41000300, 0x41000303).portr("IN2"); - map(0x41000304, 0x41000307).portr("IN3"); - map(0x41000400, 0x41000403).writeonly().share("palette_select"); - map(0x41000500, 0x41000500).w("eeprom", FUNC(eeprom_parallel_28xx_device::unlock_write8)); - map(0x41000600, 0x41000603).w(FUNC(beathead_state::finescroll_w)); - map(0x41000700, 0x41000703).w("watchdog", FUNC(watchdog_timer_device::reset32_w)); - map(0x42000000, 0x4201ffff).rw(m_palette, FUNC(palette_device::read16), FUNC(palette_device::write16)).umask32(0x0000ffff).share("palette"); - map(0x43000000, 0x43000007).rw(FUNC(beathead_state::hsync_ram_r), FUNC(beathead_state::hsync_ram_w)); - map(0x8df80000, 0x8df80003).nopr(); /* noisy x4 during scanline int */ - map(0x8f380000, 0x8f3fffff).w(FUNC(beathead_state::vram_latch_w)); - map(0x8f900000, 0x8f97ffff).w(FUNC(beathead_state::vram_transparent_w)); - map(0x8f980000, 0x8f9fffff).ram().share("videoram"); - map(0x8fb80000, 0x8fbfffff).w(FUNC(beathead_state::vram_bulk_w)); - map(0x8fff8000, 0x8fff8003).writeonly().share("vram_bulk_latch"); - map(0x9e280000, 0x9e2fffff).w(FUNC(beathead_state::vram_copy_w)); -} - - - -/************************************* - * - * Port definitions - * - *************************************/ - -static INPUT_PORTS_START( beathead ) - PORT_START("IN0") /* Player 1 */ - PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) - PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) - PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) - PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) - PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) - PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) - - PORT_START("IN1") /* Player 2 */ - PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) - PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) - PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) - PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) - PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) - PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("IN2") - PORT_BIT( 0x000f, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_ATARI_JSA_SOUND_TO_MAIN_READY("jsa") - PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_ATARI_JSA_MAIN_TO_SOUND_READY("jsa") - PORT_SERVICE( 0x0040, IP_ACTIVE_LOW ) - PORT_BIT( 0xff80, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("IN3") - PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) - PORT_BIT( 0x0006, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_COIN2 ) - PORT_BIT( 0xfff0, IP_ACTIVE_LOW, IPT_UNUSED ) - -// to do -// PORT_MODIFY("jsa:JSAIII") -// coin 1+2 import from JSAIII not used - set to unused -// PORT_BIT( 0x03, IP_ACTIVE_HIGH, IPT_UNUSED ) -INPUT_PORTS_END - - - -/************************************* - * - * Machine driver - * - *************************************/ - -void beathead_state::beathead(machine_config &config) -{ - /* basic machine hardware */ - ASAP(config, m_maincpu, ATARI_CLOCK_14MHz); - m_maincpu->set_addrmap(AS_PROGRAM, &beathead_state::main_map); - - EEPROM_2804(config, "eeprom").lock_after_write(true); - - WATCHDOG_TIMER(config, "watchdog"); - - TIMER(config, m_scan_timer).configure_generic(FUNC(beathead_state::scanline_callback)); - - /* video hardware */ - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_video_attributes(VIDEO_UPDATE_BEFORE_VBLANK); - m_screen->set_refresh_hz(60); - m_screen->set_screen_update(FUNC(beathead_state::screen_update)); - m_screen->set_size(42*8, 262); - m_screen->set_visarea(0*8, 42*8-1, 0*8, 30*8-1); - m_screen->set_palette(m_palette); - - PALETTE(config, m_palette); - m_palette->set_format(palette_device::IRGB_1555, 32768); - m_palette->set_membits(16); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - - ATARI_JSA_III(config, m_jsa, 0); - m_jsa->test_read_cb().set_ioport("IN2").bit(6); - m_jsa->add_route(ALL_OUTPUTS, "mono", 1.0); -} - - - -/************************************* - * - * ROM definition(s) - * - *************************************/ - -ROM_START( beathead ) - ROM_REGION( 0x10000, "jsa:cpu", 0 ) /* 64k for 6502 code */ - ROM_LOAD( "bhsnd.bin", 0x00000, 0x10000, CRC(dfd33f02) SHA1(479a4838c89691d5a4654a4cd84b6433a9e86109) ) - - ROM_REGION32_LE( 0x400000, "user1", 0 ) /* 4MB for ASAP code */ - ROM_LOAD32_BYTE( "bhprog0.bin", 0x000000, 0x80000, CRC(87975721) SHA1(862cb3a290c829aedea26ee7100c50a12e9517e7) ) - ROM_LOAD32_BYTE( "bhprog1.bin", 0x000001, 0x80000, CRC(25d89743) SHA1(9ff9a41355aa6914efc4a44909026e648a3c40f3) ) - ROM_LOAD32_BYTE( "bhprog2.bin", 0x000002, 0x80000, CRC(87722609) SHA1(dbd766fa57f4528702a98db28ae48fb5d2a7f7df) ) - ROM_LOAD32_BYTE( "bhprog3.bin", 0x000003, 0x80000, CRC(a795d616) SHA1(d3b201be62486f3b12e1b20c4694eeff0b4e3fca) ) - ROM_LOAD32_BYTE( "bhpics0.bin", 0x200000, 0x80000, CRC(926bf65d) SHA1(49f25a2844ca1cd940d17fc56c0d2698e95e0e1d) ) - ROM_LOAD32_BYTE( "bhpics1.bin", 0x200001, 0x80000, CRC(a8f12e41) SHA1(693cb7a2510f34af5442870a6ae4d19445d991f9) ) - ROM_LOAD32_BYTE( "bhpics2.bin", 0x200002, 0x80000, CRC(00b96481) SHA1(39daa46321c1d4f8bce8c25d0450b97f1f19dedb) ) - ROM_LOAD32_BYTE( "bhpics3.bin", 0x200003, 0x80000, CRC(99c4f1db) SHA1(aba4440c5cdf413f970a0c65457e2d1b37caf2d6) ) - - ROM_REGION( 0x80000, "jsa:oki1", 0 ) /* 1MB for ADPCM */ - ROM_LOAD( "bhpcm0.bin", 0x00000, 0x20000, CRC(609ca626) SHA1(9bfc913fc4c3453b132595f8553245376bce3a51) ) - ROM_LOAD( "bhpcm1.bin", 0x20000, 0x20000, CRC(35511509) SHA1(41294b81e253db5d2f30f8589dd59729a31bb2bb) ) - ROM_LOAD( "bhpcm2.bin", 0x40000, 0x20000, CRC(f71a840a) SHA1(09d045552704cd1434307f9a36ce03c5c06a8ff6) ) - ROM_LOAD( "bhpcm3.bin", 0x60000, 0x20000, CRC(fedd4936) SHA1(430ed894fa4bfcd56ee5a8a8ef5e161246530e2d) ) -ROM_END - - - -/************************************* - * - * Game driver(s) - * - *************************************/ - -GAME( 1993, beathead, 0, beathead, beathead, beathead_state, empty_init, ROT0, "Atari Games", "BeatHead (prototype)", 0 ) |