diff options
Diffstat (limited to 'src/mame/drivers/lemmings.cpp')
-rw-r--r-- | src/mame/drivers/lemmings.cpp | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/src/mame/drivers/lemmings.cpp b/src/mame/drivers/lemmings.cpp deleted file mode 100644 index 71874c97963..00000000000 --- a/src/mame/drivers/lemmings.cpp +++ /dev/null @@ -1,304 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Bryan McPhail -/*************************************************************************** - - Lemmings (c) 1991 Data East USA (DE-0357) - - Prototype! Licensed from the home computer version this game never - made it past the arcade field test stage. Unlike most Data East games - this hardware features a pixel layer and a VRAM layer, probably to - make the transition from the pixel addressable computer code to the - arcade hardware. - - As prototype software it seems to have a couple of non-critical bugs, - the palette ram check and vram check both overrun their actual ramsize. - - Emulation by Bryan McPhail, mish@tendril.co.uk - -***************************************************************************/ - -#include "emu.h" -#include "includes/lemmings.h" - -#include "cpu/m6809/m6809.h" -#include "cpu/m68000/m68000.h" -#include "sound/okim6295.h" -#include "sound/ym2151.h" -#include "screen.h" -#include "speaker.h" - - -void lemmings_state::lemmings_control_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - /* Offset==0 Pixel layer X scroll */ - if (offset == 4) - return; /* Watchdog or IRQ ack */ - COMBINE_DATA(&m_control_data[offset]); -} - -uint16_t lemmings_state::lemmings_trackball_r(offs_t offset) -{ - if ((offset & 2) == 0) - return m_trackball_io[(offset & 1) | ((offset & 4) >> 1)]->read(); - return 0; -} - -uint16_t lemmings_state::lem_protection_region_0_146_r(offs_t offset) -{ - int real_address = 0 + (offset *2); - int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; - uint8_t cs = 0; - uint16_t data = m_deco146->read_data( deco146_addr, cs ); - return data; -} - -void lemmings_state::lem_protection_region_0_146_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - int real_address = 0 + (offset *2); - int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; - uint8_t cs = 0; - m_deco146->write_data( deco146_addr, data, mem_mask, cs ); -} - - -/******************************************************************************/ - -void lemmings_state::lemmings_map(address_map &map) -{ - map(0x000000, 0x0fffff).rom(); - map(0x100000, 0x10ffff).ram(); - map(0x120000, 0x1207ff).ram().share("spriteram1"); - map(0x140000, 0x1407ff).ram().share("spriteram2"); - map(0x160000, 0x160fff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette"); - map(0x170000, 0x17000f).ram().w(FUNC(lemmings_state::lemmings_control_w)).share("control_data"); - map(0x190000, 0x19000f).r(FUNC(lemmings_state::lemmings_trackball_r)); - map(0x1a0000, 0x1a3fff).rw(FUNC(lemmings_state::lem_protection_region_0_146_r), FUNC(lemmings_state::lem_protection_region_0_146_w)).share("prot16ram"); /* Protection device */ - map(0x1c0000, 0x1c0001).w(m_spriteram[0], FUNC(buffered_spriteram16_device::write)); /* 1 written once a frame */ - map(0x1e0000, 0x1e0001).w(m_spriteram[1], FUNC(buffered_spriteram16_device::write)); /* 1 written once a frame */ - map(0x200000, 0x201fff).ram().w(FUNC(lemmings_state::lemmings_vram_w)).share("vram_data"); - map(0x202000, 0x202fff).ram(); - map(0x300000, 0x37ffff).ram().w(FUNC(lemmings_state::lemmings_pixel_0_w)).share("pixel_0_data"); - map(0x380000, 0x39ffff).ram().w(FUNC(lemmings_state::lemmings_pixel_1_w)).share("pixel_1_data"); -} - -/******************************************************************************/ - -void lemmings_state::sound_map(address_map &map) -{ - map(0x0000, 0x07ff).ram(); - map(0x0800, 0x0801).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write)); - map(0x1000, 0x1000).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write)); - map(0x1800, 0x1800).r(m_deco146, FUNC(deco_146_base_device::soundlatch_r)).nopw(); // writes an extra irq ack? - map(0x8000, 0xffff).rom(); -} - -/******************************************************************************/ - -static INPUT_PORTS_START( lemmings ) - PORT_START("INPUTS") - PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_START1 ) - PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("P1 Select") - PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("P1 Hurry") - PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_START2 ) - PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Select") - PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 Hurry") - PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("SYSTEM") - PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN2 ) - PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN1 ) - PORT_SERVICE_NO_TOGGLE(0x0004, IP_ACTIVE_LOW) - PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") - - - PORT_START("DSW") - PORT_DIPNAME( 0x0003, 0x0003, "Credits for 1 Player" ) - PORT_DIPSETTING( 0x0003, "1" ) - PORT_DIPSETTING( 0x0002, "2" ) - PORT_DIPSETTING( 0x0001, "3" ) - PORT_DIPSETTING( 0x0000, "4" ) - PORT_DIPNAME( 0x000c, 0x000c, "Credits for 2 Player" ) - PORT_DIPSETTING( 0x000c, "1" ) - PORT_DIPSETTING( 0x0008, "2" ) - PORT_DIPSETTING( 0x0004, "3" ) - PORT_DIPSETTING( 0x0000, "4" ) - PORT_DIPNAME( 0x0030, 0x0030, "Credits for Continue" ) - PORT_DIPSETTING( 0x0030, "1" ) - PORT_DIPSETTING( 0x0020, "2" ) - PORT_DIPSETTING( 0x0010, "3" ) - PORT_DIPSETTING( 0x0000, "4" ) - PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) - PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) - PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Free_Play ) ) - PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) - - PORT_DIPNAME( 0x0700, 0x0700, DEF_STR( Coin_A ) ) - PORT_DIPSETTING( 0x0700, DEF_STR( 1C_1C ) ) - PORT_DIPSETTING( 0x0600, DEF_STR( 1C_2C ) ) - PORT_DIPSETTING( 0x0500, DEF_STR( 1C_3C ) ) - PORT_DIPSETTING( 0x0400, DEF_STR( 1C_4C ) ) - PORT_DIPSETTING( 0x0300, DEF_STR( 1C_5C ) ) - PORT_DIPSETTING( 0x0200, DEF_STR( 1C_6C ) ) - PORT_DIPSETTING( 0x0100, DEF_STR( 1C_7C ) ) - PORT_DIPSETTING( 0x0000, DEF_STR( 1C_8C ) ) - PORT_DIPNAME( 0x3800, 0x3800, DEF_STR( Coin_B ) ) - PORT_DIPSETTING( 0x3800, DEF_STR( 1C_1C ) ) - PORT_DIPSETTING( 0x3000, DEF_STR( 1C_2C ) ) - PORT_DIPSETTING( 0x2800, DEF_STR( 1C_3C ) ) - PORT_DIPSETTING( 0x2000, DEF_STR( 1C_4C ) ) - PORT_DIPSETTING( 0x1800, DEF_STR( 1C_5C ) ) - PORT_DIPSETTING( 0x1000, DEF_STR( 1C_6C ) ) - PORT_DIPSETTING( 0x0800, DEF_STR( 1C_7C ) ) - PORT_DIPSETTING( 0x0000, DEF_STR( 1C_8C ) ) - PORT_DIPUNKNOWN( 0x4000, 0x4000 ) - PORT_DIPUNKNOWN( 0x8000, 0x8000 ) - - PORT_START("AN0") - PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1) - - PORT_START("AN1") - PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(1) - - PORT_START("AN2") - PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(2) - - PORT_START("AN3") - PORT_BIT( 0xff, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(70) PORT_KEYDELTA(10) PORT_PLAYER(2) -INPUT_PORTS_END - -/******************************************************************************/ - -static const gfx_layout charlayout = -{ - 8,8, - 2048, - 4, - { STEP4(4,1) }, - { STEP8(0,8) }, - { STEP8(0,8*8) }, - 8*8*8 -}; - -static const gfx_layout sprite_layout = -{ - 16,16, - RGN_FRAC(1,1), - 4, - { STEP4(0,8) }, - { STEP8(8*4*16,1), STEP8(0,1) }, - { STEP16(0,8*4) }, - 16*16*4 -}; - -static GFXDECODE_START( gfx_lemmings ) - GFXDECODE_ENTRY( "gfx1", 0, sprite_layout, 512, 16 ) /* Sprites 16x16 */ - GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 768, 16 ) /* Sprites 16x16 */ - GFXDECODE_ENTRY( nullptr,0, charlayout, 0, 16 ) /* Dynamically modified */ -GFXDECODE_END - -/******************************************************************************/ - -void lemmings_state::machine_start() -{ -} - -void lemmings_state::lemmings(machine_config &config) -{ - /* basic machine hardware */ - M68000(config, m_maincpu, 28_MHz_XTAL / 2); // Data East 59 - m_maincpu->set_addrmap(AS_PROGRAM, &lemmings_state::lemmings_map); - m_maincpu->set_vblank_int("screen", FUNC(lemmings_state::irq6_line_hold)); - - MC6809E(config, m_audiocpu, 32.22_MHz_XTAL / 24); // MC68B09EP; clock not verified - m_audiocpu->set_addrmap(AS_PROGRAM, &lemmings_state::sound_map); - - /* video hardware */ - BUFFERED_SPRITERAM16(config, m_spriteram[0]); - BUFFERED_SPRITERAM16(config, m_spriteram[1]); - - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(529)); - screen.set_size(40*8, 32*8); - screen.set_visarea(0*8, 40*8-1, 2*8, 30*8-1); - screen.set_screen_update(FUNC(lemmings_state::screen_update_lemmings)); - screen.screen_vblank().set(FUNC(lemmings_state::screen_vblank_lemmings)); - - GFXDECODE(config, m_gfxdecode, m_palette, gfx_lemmings); - PALETTE(config, m_palette).set_format(palette_device::xBGR_888, 1024); - - DECO_SPRITE(config, m_sprgen[0], 0); - m_sprgen[0]->set_gfx_region(1); - m_sprgen[0]->set_gfxdecode_tag(m_gfxdecode); - - DECO_SPRITE(config, m_sprgen[1], 0); - m_sprgen[1]->set_gfx_region(0); - m_sprgen[1]->set_gfxdecode_tag(m_gfxdecode); - - DECO146PROT(config, m_deco146, 0); - m_deco146->port_a_cb().set_ioport("INPUTS"); - m_deco146->port_b_cb().set_ioport("SYSTEM"); - m_deco146->port_c_cb().set_ioport("DSW"); - m_deco146->set_use_magic_read_address_xor(true); - m_deco146->soundlatch_irq_cb().set_inputline(m_audiocpu, M6809_FIRQ_LINE); - - /* sound hardware */ - SPEAKER(config, "lspeaker").front_left(); - SPEAKER(config, "rspeaker").front_right(); - - GENERIC_LATCH_8(config, m_soundlatch); - - ym2151_device &ymsnd(YM2151(config, "ymsnd", 32.22_MHz_XTAL / 9)); // clock likely wrong - ymsnd.irq_handler().set_inputline(m_audiocpu, M6809_IRQ_LINE); - ymsnd.add_route(0, "lspeaker", 0.45); - ymsnd.add_route(1, "rspeaker", 0.45); - - okim6295_device &oki(OKIM6295(config, "oki", 1023924, okim6295_device::PIN7_HIGH)); // clock frequency & pin 7 not verified - oki.add_route(ALL_OUTPUTS, "lspeaker", 0.50); - oki.add_route(ALL_OUTPUTS, "rspeaker", 0.50); -} - -/******************************************************************************/ - -ROM_START( lemmings ) - ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 code */ - ROM_LOAD16_BYTE( "lemmings.5", 0x00000, 0x20000, CRC(e9a2b439) SHA1(873723a06d71bb41772951f451a75578b30267d5) ) - ROM_LOAD16_BYTE( "lemmings.1", 0x00001, 0x20000, CRC(bf52293b) SHA1(47a1ed64bf02776db086fdce80997b8a0c068791) ) - ROM_LOAD16_BYTE( "lemmings.6", 0x40000, 0x20000, CRC(0e3dc0ea) SHA1(533abf66ca4b578d03566d5de922dc5828c26eca) ) - ROM_LOAD16_BYTE( "lemmings.2", 0x40001, 0x20000, CRC(0cf3d7ce) SHA1(95dc43a8cded860fcf8743b62cbe4f2a97f43215) ) - ROM_LOAD16_BYTE( "lemmings.7", 0x80000, 0x20000, CRC(d020219c) SHA1(9678d8636798d1e528269fe2f9eb532e189c134e) ) - ROM_LOAD16_BYTE( "lemmings.3", 0x80001, 0x20000, CRC(c635494a) SHA1(e105dc79bd3c425d971629a3066c38dbf08b6428) ) - ROM_LOAD16_BYTE( "lemmings.8", 0xc0000, 0x20000, CRC(9166ce09) SHA1(7f0970cc07ebdbfc9a738342259d07d37b397161) ) - ROM_LOAD16_BYTE( "lemmings.4", 0xc0001, 0x20000, CRC(aa845488) SHA1(d17ec80f43d2a0123e93fad83d4e1319eb18d7c7) ) - - ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound CPU */ - ROM_LOAD( "lemmings.15", 0x00000, 0x10000, CRC(f0b24a35) SHA1(1aaeb1e6faee04d2e433161fd7aa965b58e3b8a7) ) - - ROM_REGION( 0x40000, "gfx1", ROMREGION_ERASE00 ) /* 3bpp data but sprite chip expects 4 */ - ROM_LOAD32_BYTE( "lemmings.9", 0x000003, 0x10000, CRC(e06442f5) SHA1(d9c8b681cce1d0257a0446bc820c7d679e2a1168) ) - ROM_LOAD32_BYTE( "lemmings.10", 0x000002, 0x10000, CRC(36398848) SHA1(6c6956607f889c35367e6df4a32359042fad695e) ) - ROM_LOAD32_BYTE( "lemmings.11", 0x000001, 0x10000, CRC(b46a54e5) SHA1(53b053346f80357aecff4ab888a8562f99cb318f) ) - - ROM_REGION( 0x40000, "gfx2", ROMREGION_ERASE00 ) /* 3bpp data but sprite chip expects 4 */ - ROM_LOAD32_BYTE( "lemmings.12", 0x000003, 0x10000, CRC(dc9047ff) SHA1(1bbe573fa51127a9e8b970a353f3cceab00f486a) ) - ROM_LOAD32_BYTE( "lemmings.13", 0x000002, 0x10000, CRC(7cc15491) SHA1(73c1c11b2738f6679c70cae8ac4c55cdc9b8fc27) ) - ROM_LOAD32_BYTE( "lemmings.14", 0x000001, 0x10000, CRC(c162788f) SHA1(e1f669efa59699cd1b7da71b112701ee79240c18) ) - - ROM_REGION( 0x40000, "oki", 0 ) /* ADPCM samples */ - ROM_LOAD( "lemmings.16", 0x00000, 0x20000, CRC(f747847c) SHA1(00880fa6dff979e5d15daea61938bd18c768c92f) ) -ROM_END - -/******************************************************************************/ - -GAME( 1991, lemmings, 0, lemmings, lemmings, lemmings_state, empty_init, ROT0, "Data East USA", "Lemmings (US prototype)", MACHINE_SUPPORTS_SAVE ) |