// license:GPL-2.0+ // copyright-holders:Juergen Buchmueller /*************************************************************************** Lazer Command memory map (preliminary) driver by Juergen Buchmueller 0000-0bff ROM 1c00-1c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed) 1c20-1eff RAM video buffer xxxx D0 - D5 character select D6 horz line below character (row #9) D7 vert line right of character (bit #0) 1f00-1f03 R/W hardware 1f00 W audio channels D4 gun fire D5 explosion D6 tank engine D7 running man 1f00 R player 1 joystick D0 up D1 down D2 right D3 left 1f01 W D0 - D7 marker y position 1f01 R player 2 joystick D0 up D1 down D2 right D3 left 1f02 W D0 - D7 marker x position 1f02 R player 1 + 2 buttons D0 button 1 player 2 D1 button 1 player 1 D2 button 2 player 2 D3 button 2 player 1 1f03 W attract mode D0 toggle on attract mode (attract mode switched off by coin detected) D4 clear coin detected toggle 1f03 R coinage, coin detected and start buttons D0 coin 1/2 (DIP switch 4) D1 start 'expert' D2 start 'novice' D3 coin detected 1f04-1f07 Read only hardware 1f04 R vertical scan counter D0 60 Hz D1 120 Hz D2 240 Hz D3 480 Hz 1f05 R vertical scan counter D0 7.860 KHz D1 3.960 KHz D2 1.980 KHz D3 960 Hz 1f06 R D0 - D7 readback of marker x position 1f07 R D0 - D7 readback of marker y position I/O ports: 'data' R game time D0 - D1 60,90,120,180 seconds (DIP switch 1 - 2) ***************************************************************************/ /*************************************************************************** Meadows Lanes memory map (preliminary) 0000-0bff ROM 0c00-0c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed) 0c20-0eff RAM video buffer xxxx D0 - D5 character select D6 horz line below character (row #9) D7 vert line right of character (bit #0) 1000-17ff ROM 1f00-1f03 R/W hardware 1f00 W audio control bits D0 - D3 not used D4 bowl and hit D5 hit D6 - D7 not used 1f00 R bowl ball D0 fast D1 slow joystick D2 right D3 left 1f01 W D0 - D7 marker y position 1f01 R hook control D0 left D1 right D2 - D3 not used 1f02 W D0 - D7 marker x position 1f02 R D0 - D3 not used 1f03 W attract mode D0 toggle on attract mode (attract mode switched off by coin detected) D4 clear coin detected toggle D5 can be jumpered to control inverse video D6 - D7 not used 1f03 R coinage, coin detected and start buttons D0 coin 1/2 (DIP switch 4) D1 start D2 not used D3 coin detected 1f04-1f07 Read only hardware 1f04 R vertical scan counter D0 60 Hz D1 120 Hz D2 240 Hz D3 480 Hz 1f05 R vertical scan counter D0 7.860 KHz D1 3.960 KHz D2 1.980 KHz D3 960 Hz 1f06 R D0 - D7 readback of marker x position 1f07 R D0 - D7 readback of marker y position I/O ports: 'data' R game time D0 time on (DIP switch 1) D1 3,5 seconds (DIP switch 2) ***************************************************************************/ /*************************************************************************** Bigfoot Bonkers memory map (preliminary) driver by Juergen Buchmueller 0000-07ff ROM 1c00-1c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed) 1c20-1eff RAM video buffer xxxx D0 - D5 character select D6 horz line below character (row #9) D7 vert line right of character (bit #0) 1f00-1f03 R/W hardware 1f00 W audio channels D4 unused D5 tone 1 D6 tone 2 D7 unused 1f00 R player 1 joystick D0 up D1 down D2 right D3 left 1f01 W D0 - D7 unused 1f01 R player 2 joystick D0 up D1 down D2 right D3 left 1f02 W D0 - D7 unused 1f02 R player 1 + 2 buttons D0 unused D1 unused D2 unused D3 unused 1f03 W attract mode D0 toggle on attract mode (attract mode switched off by coin detected) D4 clear coin detected toggle 1f03 R coinage, coin detected and start buttons D0 coin 1/2 (DIP switch 4) D1 start D2 start D3 coin detected 1f04-1f07 Read only hardware 1f04 R vertical scan counter D0 60 Hz D1 120 Hz D2 240 Hz D3 480 Hz 1f05 R vertical scan counter D0 7.860 KHz D1 3.960 KHz D2 1.980 KHz D3 960 Hz 1f06 R D0 - D7 unused 1f07 R D0 - D7 unused ***************************************************************************/ /*************************************************************************** TODO - how does video invert exactly work? the hardware can control it, for example in bbonk death sequence - bbonk video on youtube shows a 1-pixel gap horizontally between tiles, maybe the characters are 9*10 or it differs per game - improve sound emulation ***************************************************************************/ #include "emu.h" #include "includes/lazercmd.h" #include "sound/volt_reg.h" #include "screen.h" #include "speaker.h" // color overlays, bbonk does not have an overlay #include "lazercmd.lh" #include "medlanes.lh" #define MASTER_CLOCK XTAL(8'000'000) /************************************************************* * Interrupt for the cpu * Fake something toggling the sense input line of the S2650 * The rate should be at about 1 Hz *************************************************************/ TIMER_DEVICE_CALLBACK_MEMBER(lazercmd_state::lazercmd_timer) { int scanline = param; if((scanline % 2) == 1) return; if (++m_timer_count >= 64 * 128) { m_timer_count = 0; m_sense_state ^= 1; m_maincpu->set_input_line(S2650_SENSE_LINE, m_sense_state ? ASSERT_LINE : CLEAR_LINE); } } TIMER_DEVICE_CALLBACK_MEMBER(lazercmd_state::bbonk_timer) { int scanline = param; if((scanline % 2) == 1) return; if (++m_timer_count >= 64 * 128) m_timer_count = 0; } /************************************************************* * * IO port read/write * *************************************************************/ /* triggered by WRTC,r opcode */ WRITE8_MEMBER(lazercmd_state::lazercmd_ctrl_port_w) { } /* triggered by REDC,r opcode */ READ8_MEMBER(lazercmd_state::lazercmd_ctrl_port_r) { uint8_t data = 0; return data; } /* triggered by WRTD,r opcode */ WRITE8_MEMBER(lazercmd_state::lazercmd_data_port_w) { } /* triggered by REDD,r opcode */ READ8_MEMBER(lazercmd_state::lazercmd_data_port_r) { uint8_t data = ioport("DSW")->read() & 0x0f; return data; } WRITE8_MEMBER(lazercmd_state::lazercmd_hardware_w) { switch (offset) { case 0: /* audio channels */ m_dac0->write(BIT(data, 7)); m_dac1->write(BIT(data, 6)); m_dac2->write(BIT(data, 5)); m_dac3->write(BIT(data, 4)); break; case 1: /* marker Y position */ m_marker_y = data; break; case 2: /* marker X position */ m_marker_x = data; break; case 3: /* D4 clears coin detected and D0 toggles on attract mode */ m_attract = data; break; } } WRITE8_MEMBER(lazercmd_state::medlanes_hardware_w) { switch (offset) { case 0: /* audio control */ /* bits 4 and 5 are used to control a sound board */ /* these could be used to control sound samples */ /* at the moment they are routed through the dac */ m_dac2->write(BIT(data, 5)); m_dac3->write(BIT(data, 4)); break; case 1: /* marker Y position */ m_marker_y = data; break; case 2: /* marker X position */ m_marker_x = data; break; case 3: /* D4 clears coin detected and D0 toggles on attract mode */ m_attract = data; break; } } WRITE8_MEMBER(lazercmd_state::bbonk_hardware_w) { switch (offset) { case 0: /* audio control */ /* bits 4 and 5 are used to control a sound board */ /* these could be used to control sound samples */ /* at the moment they are routed through the dac */ m_dac2->write(BIT(data, 5)); m_dac3->write(BIT(data, 4)); break; case 3: /* D5 inverts video?, D4 clears coin detected and D0 toggles on attract mode */ m_attract = data; break; } } READ8_MEMBER(lazercmd_state::lazercmd_hardware_r) { uint8_t data = 0; switch (offset) { case 0: /* player 1 joysticks */ data = ioport("IN0")->read(); break; case 1: /* player 2 joysticks */ data = ioport("IN1")->read(); break; case 2: /* player 1 + 2 buttons */ data = ioport("IN3")->read(); break; case 3: /* coin slot + start buttons */ data = ioport("IN2")->read(); break; case 4: /* vertical scan counter */ data = ((m_timer_count & 0x10) >> 1) | ((m_timer_count & 0x20) >> 3) | ((m_timer_count & 0x40) >> 5) | ((m_timer_count & 0x80) >> 7); break; case 5: /* vertical scan counter */ data = m_timer_count & 0x0f; break; case 6: /* 1f02 readback */ data = m_marker_x; break; case 7: /* 1f01 readback */ data = m_marker_y; break; } return data; } /************************************************************* * * Memory maps * *************************************************************/ void lazercmd_state::lazercmd_map(address_map &map) { map(0x0000, 0x0bff).rom(); map(0x1c00, 0x1c1f).ram(); map(0x1c20, 0x1eff).ram().share("videoram"); map(0x1f00, 0x1f03).w(FUNC(lazercmd_state::lazercmd_hardware_w)); map(0x1f00, 0x1f07).r(FUNC(lazercmd_state::lazercmd_hardware_r)); } void lazercmd_state::medlanes_map(address_map &map) { map(0x0000, 0x0bff).rom(); map(0x1000, 0x17ff).rom(); map(0x1c00, 0x1c1f).ram(); map(0x1c20, 0x1eff).ram().share("videoram"); map(0x1f00, 0x1f03).w(FUNC(lazercmd_state::medlanes_hardware_w)); map(0x1f00, 0x1f07).r(FUNC(lazercmd_state::lazercmd_hardware_r)); } void lazercmd_state::bbonk_map(address_map &map) { map(0x0000, 0x0bff).rom(); map(0x1c00, 0x1c1f).ram(); map(0x1c20, 0x1eff).ram().share("videoram"); map(0x1f00, 0x1f03).w(FUNC(lazercmd_state::bbonk_hardware_w)); map(0x1f00, 0x1f07).r(FUNC(lazercmd_state::lazercmd_hardware_r)); } void lazercmd_state::lazercmd_portmap(address_map &map) { map(S2650_CTRL_PORT, S2650_CTRL_PORT).rw(FUNC(lazercmd_state::lazercmd_ctrl_port_r), FUNC(lazercmd_state::lazercmd_ctrl_port_w)); map(S2650_DATA_PORT, S2650_DATA_PORT).rw(FUNC(lazercmd_state::lazercmd_data_port_r), FUNC(lazercmd_state::lazercmd_data_port_w)); } static INPUT_PORTS_START( lazercmd ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x03, DEF_STR( Game_Time ) ) PORT_DIPLOCATION("SW1:!1,!2") PORT_DIPSETTING( 0x00, "60 seconds" ) PORT_DIPSETTING( 0x01, "90 seconds" ) PORT_DIPSETTING( 0x02, "120 seconds" ) PORT_DIPSETTING( 0x03, "180 seconds" ) PORT_BIT( 0x98, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0x20, 0x20, "Video Invert" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, "Marker Size" ) // jumper PORT_DIPSETTING( 0x00, "Small" ) PORT_DIPSETTING( 0x40, "Large" ) PORT_START("IN2") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:4") PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_NAME("Start Expert") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_NAME("Start Novice") PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("IN3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END static INPUT_PORTS_START( medlanes ) PORT_START("IN0") // note: real cpanel has 2 buttons for left/right, no joystick. 6 buttons total (excluding start) // layout is: move left, move right - throw fast, throw slow - hook right, hook left PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Throw Fast") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Throw Slow") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Hook Left") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Hook Right") PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x03, "Throw Time" ) PORT_DIPLOCATION("SW1:!1,!2") PORT_DIPSETTING( 0x01, "3 seconds" ) PORT_DIPSETTING( 0x03, "5 seconds" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) // PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) // dupe PORT_BIT( 0x9C, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0x20, 0x00, "Video Invert" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, "Marker Size" ) // jumper PORT_DIPSETTING( 0x00, "Small" ) PORT_DIPSETTING( 0x40, "Large" ) PORT_START("IN2") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:4") PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0xf4, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("IN3") PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END static INPUT_PORTS_START( bbonk ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x03, "Games to win" ) PORT_DIPLOCATION("SW1:!1,!2") PORT_DIPSETTING( 0x02, "2" ) PORT_DIPSETTING( 0x03, "3" ) PORT_DIPSETTING( 0x00, "4" ) PORT_DIPSETTING( 0x01, "5" ) PORT_BIT( 0x9C, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0x20, 0x00, "Video Invert" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // marker is not used in this game PORT_START("IN2") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:4") PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("IN3") PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW1:3") PORT_DIPSETTING( 0x00, "Partial" ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END static const gfx_layout charlayout = { 8, 10, /* 8*10 characters */ 4*64, /* 4 * 64 characters */ 1, /* 1 bit per pixel */ { 0 }, /* no bitplanes */ { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8 }, 10*8 /* every char takes 10 bytes */ }; static GFXDECODE_START( gfx_lazercmd ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 2 ) GFXDECODE_END void lazercmd_state::lazercmd_palette(palette_device &palette) const { palette.set_pen_color(0, rgb_t(0xb0, 0xb0, 0xb0)); // white palette.set_pen_color(1, rgb_t(0x00, 0x00, 0x00)); // black palette.set_pen_color(2, rgb_t(0x00, 0x00, 0x00)); // black palette.set_pen_color(3, rgb_t(0xb0, 0xb0, 0xb0)); // white palette.set_pen_color(4, rgb_t(0xff, 0xff, 0xff)); // bright white } void lazercmd_state::machine_start() { save_item(NAME(m_marker_x)); save_item(NAME(m_marker_y)); save_item(NAME(m_timer_count)); save_item(NAME(m_sense_state)); save_item(NAME(m_attract)); } void lazercmd_state::machine_reset() { m_marker_x = 0; m_marker_y = 0; m_timer_count = 0; m_sense_state = 0; m_attract = 0; } MACHINE_CONFIG_START(lazercmd_state::lazercmd) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", S2650, MASTER_CLOCK/12) /* 666 kHz? */ /* Main Clock is 8MHz divided by 12 but memory and IO access is only possible within the line and frame blanking period thus requiring an extra loading of approx 3-5 */ MCFG_DEVICE_PROGRAM_MAP(lazercmd_map) MCFG_DEVICE_DATA_MAP(lazercmd_portmap) MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", lazercmd_state, lazercmd_timer, "screen", 0, 1) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR + 16) MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1, 0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1) MCFG_SCREEN_UPDATE_DRIVER(lazercmd_state, screen_update_lazercmd) MCFG_SCREEN_PALETTE(m_palette) GFXDECODE(config, m_gfxdecode, m_palette, gfx_lazercmd); PALETTE(config, m_palette, FUNC(lazercmd_state::lazercmd_palette), 5); /* sound hardware */ SPEAKER(config, "speaker").front_center(); MCFG_DEVICE_ADD("dac0", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("dac1", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("dac2", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("dac3", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) MCFG_SOUND_ROUTE(0, "dac0", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac1", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac2", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac3", 1.0, DAC_VREF_POS_INPUT) MACHINE_CONFIG_END MACHINE_CONFIG_START(lazercmd_state::medlanes) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", S2650, MASTER_CLOCK/12) /* 666 kHz */ /* Main Clock is 8MHz divided by 12 but memory and IO access is only possible within the line and frame blanking period thus requiring an extra loading of approx 3-5 */ MCFG_DEVICE_PROGRAM_MAP(medlanes_map) MCFG_DEVICE_DATA_MAP(lazercmd_portmap) MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", lazercmd_state, lazercmd_timer, "screen", 0, 1) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR) MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1, 0 * VERT_CHR, VERT_RES * VERT_CHR - 1) MCFG_SCREEN_UPDATE_DRIVER(lazercmd_state, screen_update_lazercmd) MCFG_SCREEN_PALETTE("palette") GFXDECODE(config, m_gfxdecode, m_palette, gfx_lazercmd); PALETTE(config, m_palette, FUNC(lazercmd_state::lazercmd_palette), 5); /* sound hardware */ SPEAKER(config, "speaker").front_center(); MCFG_DEVICE_ADD("dac2", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("dac3", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) MCFG_SOUND_ROUTE(0, "dac2", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac3", 1.0, DAC_VREF_POS_INPUT) MACHINE_CONFIG_END MACHINE_CONFIG_START(lazercmd_state::bbonk) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", S2650, MASTER_CLOCK/12) /* 666 kHz */ /* Main Clock is 8MHz divided by 12 but memory and IO access is only possible within the line and frame blanking period thus requiring an extra loading of approx 3-5 */ MCFG_DEVICE_PROGRAM_MAP(bbonk_map) MCFG_DEVICE_DATA_MAP(lazercmd_portmap) MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", lazercmd_state, bbonk_timer, "screen", 0, 1) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR) MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1, 0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1) MCFG_SCREEN_UPDATE_DRIVER(lazercmd_state, screen_update_lazercmd) MCFG_SCREEN_PALETTE("palette") GFXDECODE(config, m_gfxdecode, m_palette, gfx_lazercmd); PALETTE(config, m_palette, FUNC(lazercmd_state::lazercmd_palette), 5); /* sound hardware */ SPEAKER(config, "speaker").front_center(); MCFG_DEVICE_ADD("dac2", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("dac3", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.99) MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) MCFG_SOUND_ROUTE(0, "dac2", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac3", 1.0, DAC_VREF_POS_INPUT) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( lazercmd ) ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */ ROM_LOAD_NIB_HIGH( "lc.e5", 0x0000, 0x0400, CRC(56dc7a40) SHA1(1324d5d6a44d7314723a0b5745d89f8e27f49d25) ) ROM_LOAD_NIB_LOW( "lc.f5", 0x0000, 0x0400, CRC(fc5b38a4) SHA1(bff670d7b78c6b9324d2bf4b2d8a4f9dbfe82158) ) ROM_LOAD_NIB_HIGH( "lc.e6", 0x0400, 0x0400, CRC(b1ef0aa2) SHA1(3edeaa4d4f4e18536066898284d430a1ac00512e) ) ROM_LOAD_NIB_LOW( "lc.f6", 0x0400, 0x0400, CRC(26eaee21) SHA1(9c0a4a22abb0b0466378f067ef52a45f86cc4369) ) ROM_LOAD_NIB_HIGH( "lc.e7", 0x0800, 0x0400, CRC(8e6ffc97) SHA1(d5243ce88585db91573b6586d3d47d13b5b473c8) ) ROM_LOAD_NIB_LOW( "lc.f7", 0x0800, 0x0400, CRC(9ec3534d) SHA1(98f15c5828ad2743bf205f71b8e69abd4db78a58) ) ROM_REGION( 0x0c00, "gfx1", 0 ) ROM_LOAD( "lc.b8", 0x0a00, 0x0200, CRC(6d708edd) SHA1(85a45a292eb7bca288b06a118658bf754f828a92) ) ROM_END ROM_START( medlanes ) ROM_REGION( 0x1800, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */ ROM_LOAD_NIB_HIGH( "medlanes.2a", 0x0000, 0x0400, CRC(9c77566a) SHA1(60e1820012b47da8b86d54f00b6f60d2d0123745) ) ROM_LOAD_NIB_LOW( "medlanes.3a", 0x0000, 0x0400, CRC(22bc56a6) SHA1(7444170c19274d9d889df61796e6f61af2361f3e) ) ROM_LOAD_NIB_HIGH( "medlanes.2b", 0x0400, 0x0400, CRC(7841b1a9) SHA1(80621d30995dad42ae44c62494922ca8b75415cf) ) ROM_LOAD_NIB_LOW( "medlanes.3b", 0x0400, 0x0400, CRC(6616dbef) SHA1(9506177315883b7d87a9bfada712ddeea12fd446) ) ROM_LOAD_NIB_HIGH( "medlanes.2c", 0x0800, 0x0400, CRC(a359b5b8) SHA1(dbc3c286951c50e3465132fc0d6054f06026425d) ) ROM_LOAD_NIB_LOW( "medlanes.3c", 0x0800, 0x0400, CRC(b3db0f3d) SHA1(57c28a54f7a1f17df3a24b61dd0cf37f9f6bc7d8) ) ROM_LOAD_NIB_HIGH( "medlanes.1a", 0x1000, 0x0400, CRC(0d57c596) SHA1(f3ce4802fc777c57f75fe691c93b7062903bdf06) ) ROM_LOAD_NIB_LOW( "medlanes.4a", 0x1000, 0x0400, CRC(30d495e9) SHA1(4f2414bf60ef91093bedf5e9ae16833e9e135aa7) ) ROM_LOAD_NIB_HIGH( "medlanes.1b", 0x1400, 0x0400, CRC(1d451630) SHA1(bf9de3096e98685355c906ab7e1dc2628dce79d6) ) ROM_LOAD_NIB_LOW( "medlanes.4b", 0x1400, 0x0400, CRC(a4abb5db) SHA1(a20da872b0f7d6b16b9551233af4269db9d1b55f) ) ROM_REGION( 0x0c00, "gfx1", 0 ) ROM_LOAD( "medlanes.8b", 0x0a00, 0x0200, CRC(44e5de8f) SHA1(fc797fa137f0c11a15caf9c0013aac668fd69a3c) ) ROM_END ROM_START( bbonk ) ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */ ROM_LOAD_NIB_HIGH( "bbonk.e5", 0x0000, 0x0400, CRC(d032baa0) SHA1(09cba16f6a2b7d8a8c501db639bd5eeefb63dc0f) ) ROM_LOAD_NIB_LOW( "bbonk.f5", 0x0000, 0x0400, CRC(748e8c7f) SHA1(99e4e182ee41c246e31f656411a9f09d7b617f92) ) ROM_LOAD_NIB_HIGH( "bbonk.e6", 0x0400, 0x0400, CRC(71df0e25) SHA1(c2f78490816add1296923861a89df15be9822fed) ) ROM_LOAD_NIB_LOW( "bbonk.f6", 0x0400, 0x0400, CRC(5ce183ed) SHA1(7c78dfa463a37605e8423104426af2f5906fae24) ) ROM_REGION( 0x0c00, "gfx1", 0 ) ROM_LOAD( "bbonk.b8", 0x0a00, 0x0200, CRC(5ac34260) SHA1(7c2b1e378d2b9fed27117f9adab1381507f5d554) ) ROM_END void lazercmd_state::init_lazercmd() { uint8_t *gfx = memregion("gfx1")->base(); /****************************************************************** * To show the maze bit #6 and #7 of the video ram are used. * Bit #7: add a vertical line to the right of the character * Bit #6: add a horizontal line below the character * The video logic generates 10 lines per character row, but the * character generator only contains 8 rows, so we expand the * font to 8x10. ******************************************************************/ for (int i = 0; i < 0x40; i++) { uint8_t *d = &gfx[0 * 64 * 10 + i * VERT_CHR]; uint8_t *s = &gfx[4 * 64 * 10 + i * VERT_FNT]; for (int y = 0; y < VERT_CHR; y++) { d[0 * 64 * 10] = (y < VERT_FNT) ? *s++ : 0xff; d[1 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d; d[2 * 64 * 10] = *d & 0xfe; d[3 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe; d++; } } } GAMEL( 1976, lazercmd, 0, lazercmd, lazercmd, lazercmd_state, init_lazercmd, ROT0, "Meadows Games, Inc.", "Lazer Command", MACHINE_SUPPORTS_SAVE, layout_lazercmd ) GAMEL( 1977, medlanes, 0, medlanes, medlanes, lazercmd_state, init_lazercmd, ROT0, "Meadows Games, Inc.", "Meadows Lanes", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE, layout_medlanes ) GAME( 1976, bbonk, 0, bbonk, bbonk, lazercmd_state, init_lazercmd, ROT0, "Meadows Games, Inc.", "Bigfoot Bonkers", MACHINE_SUPPORTS_SAVE )