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+// license:BSD-3-Clause
+// copyright-holders:David Graves
+/***************+************************************************************
+
+Top Speed / Full Throttle (c) Taito 1987
+-------------------------
+
+David Graves
+
+Sources: Rastan driver by Jarek Burczynski
+ MAME Taito F2 & Z drivers
+ Raine source - special thanks to Richard Bush
+ and the Raine Team.
+
+ *****
+
+Top Speed / Full Throttle is the forerunner of the Taito Z system on
+which Taito's driving games were based from 1988-91. (You can spot some
+similarities with Continental Circus, the first of the TaitoZ games.)
+
+The game hardware has 5 separate layers of graphics - four 64x64 tiled
+scrolling background planes of 8x8 tiles (two of which are used for
+drawing the road), and a sprite plane.
+
+Taito got round the limitations of the tilemap generator they were using
+(which only supports two layers) by using a pair of them.
+
+[Trivia: Taito employed the same trick three years later, this time with
+the TC0100SCN in "Thunderfox".]
+
+Top Speed's sprites are 16x8 tiles aggregated through a RAM sprite map
+area into 128x128 big sprites. (The TaitoZ system also used a similar
+sprite map system, but moved the sprite map from RAM to ROM.)
+
+Top Speed has twin 68K CPUs which communicate via $10000 bytes of
+shared ram. The first 68000 handles screen, palette and sprites, and
+the road. The second 68000 handles inputs/dips, and does data processing
+in shared ram to relieve CPUA. There is also a Z80, which takes over
+sound duties.
+
+
+PCB contents (from CPU PCB photo)
+-------------
+
+XTAL: 16000.00KHZ and 26686.00KHZ
+CPU: 2 * 68000-8, Z80 + Z80 CTC
+Sound: YM2151, YM3012(DAC), 2 * OKI M5205
+Taito: 2 * PC080SN, PC060HA, TC0040IOC, 2 * TC0060DCA, PC050CM
+
+
+
+TODO Lists
+==========
+
+Replace TC0140SYT with PC060HA
+
+Minor black glitches on the road: these are all on the right
+hand edge of the tilemap making up the "left" half: this is
+the upper of the two road tilemaps so any gunk will be visible.
+
+'Tearing' effect between the two road tilemaps is visible when
+single-stepping. A sync issue?
+
+CPUA (on all variants) could have a spin_until_int at $63a.
+
+Motor CPU: appears to be identical to one in ChaseHQ.
+
+
+Stephh's notes (based on the game M68000 code and some tests) :
+
+1) 'topspeed' and 'topspedu'
+
+ - All addresses are for 2nd M68000 CPU !
+ - Region stored at 0x01fffe.w
+ - Sets :
+ * 'topspeed' : region = 0x0003
+ * 'topspedu' : region = 0x0004
+ - Coinage relies on the region (code at 0x00dd10) :
+ * 0x0001 (Japan), 0x0002 (US) and 0x0004 (US, Romstar license) use TAITO_COINAGE_JAPAN_OLD
+ * 0x0003 (World) uses TAITO_COINAGE_WORLD
+ - Notice screen only if region = 0x0001
+ - Game name : "Top Speed"
+ - It's only possible to continue a game when you reach at least level 2
+ - The "Continue Price" Dip Switch is a bit weird when set to 1C_1C :
+ * coin 1 : 1C_1C (normal behaviour)
+ * coin 2 : same number of credits as per Coin B settings, but twice coins
+ for example, when Coin B setting is 1C_2C, when pressing COIN2,
+ you'll get 2 credits, but you'll be able to continue 4 times
+ before needing to insert another coin
+ - There is sort of built-in cheat (code at 0x015332) :
+ * set "Allow Continue" Dip Switch to "No"
+ * set "Continue Price" Dip Switch to 1C_1C
+ * set contents of 0x000402.b to 0x55 (be aware that this address is in ROM area)
+ * you'll then be awarded infinite time :)
+
+
+2) 'fullthrl'
+
+ - All addresses are for 2nd M68000 CPU !
+ - Region stored at 0x01fffe.w
+ - Sets :
+ * 'fullthrl' : region = 0x0001
+ - Game name : "Full Throttle"
+ - Same other notes as for 'topspeed'
+
+Main board
+ V Connector G Connector
+ ------------ ------------
+ 1 Video GND Solder Parts
+ 2 Video RED GND A 1 GND
+ 3 Video GREEN GND B 2 GND
+ 4 Video BLUE +5V C 3 +5V
+ 5 Video SYNC +5V D 4 +5V
+ -5V E 5 -5V
+ +13V F 6 +12V
+ H Connector --- H 7 ---
+ ------------ Coin Counter 2 J 8 Coin Counter 1
+ 1 GND Coin Lockout 2 K 9 Coin Lockout 1
+ 2 GND Speaker CH1 [-] L 10 Speaker CH1 [+]
+ 3 GND Speaker CH2 [-] M 11 Speaker CH2 [+]
+ 4 GND Volume 1 N 12 Volume 3
+ 5 +5V --- P 13 Volume 2
+ 6 +5V Service SW R 14 GND
+ 7 +5V Brake SW 1 S 15 GND
+ 8 +5V Coin SW 2 T 16 Coin SW 1
+ 9 -5V Brake SW 3 U 17 Brake SW 2
+ 10 --- Tilt SW V 18 Nitro SW
+ 11 +12V 1P Start SW W 19 Handle Center SW
+ 12 --- Accel SW 1 X 20 Shift SW
+ Accel SW 3 Y 21 Accel SW 2
+ --- Z 22 ---
+ --- a 23 ---
+ --- b 24 ---
+ --- c 25 ---
+ Handle Sensor [-] d 26 Handle Sensor [+]
+ GND e 27 GND
+ GND f 28 GND
+
+Handle Sensor board
+ 1 Handle Sensor [-]
+ 2 +5V
+ 3 GND
+ 4 Handle Sensor [+]
+
+Sound Volume Connection
+ Sound Volume 1 1 ---- -\
+ Sound Volume 2 2 ---- -----| short with only one pin
+ Sound Volume 3 3 ---- -/ |
+ GND 4 ------------|
+
+From JP manual
+ If Cabinet is Upright (see DSWA:1,2), These SWs are unused.
+ Accel SW 2 (21), Accel SW 3 (Y), Brake SW 2 (17), Brake SW 3 (U) and Handle Center SW (19)
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/m68000/m68000.h"
+#include "cpu/z80/z80.h"
+#include "machine/z80ctc.h"
+#include "machine/taitoio.h"
+#include "audio/taitosnd.h"
+#include "sound/2151intf.h"
+#include "sound/msm5205.h"
+#include "sound/flt_vol.h"
+#include "includes/taitoipt.h"
+#include "includes/topspeed.h"
+#include "topspeed.lh"
+
+
+
+/**********************************************************
+ CPU CONTROL
+**********************************************************/
+
+WRITE16_MEMBER(topspeed_state::cpua_ctrl_w)
+{
+ // Written only twice; once on startup at 0x00 then 0xc3 after init
+ m_cpua_ctrl = data;
+}
+
+
+/**********************************************************
+ GAME INPUTS
+**********************************************************/
+
+READ8_MEMBER(topspeed_state::input_bypass_r)
+{
+ // Read port number
+ UINT8 port = m_tc0220ioc->port_r(space, 0);
+ UINT16 steer = 0xff80 + read_safe(ioport("STEER"), 0);
+
+ switch (port)
+ {
+ case 0x0c:
+ return steer & 0xff;
+
+ case 0x0d:
+ return steer >> 8;
+
+ default:
+ return m_tc0220ioc->portreg_r(space, offset);
+ }
+}
+
+CUSTOM_INPUT_MEMBER(topspeed_state::pedal_r)
+{
+ static const UINT8 retval[8] = { 0,1,3,2,6,7,5,4 };
+ const char *tag = (const char *)param;
+ return retval[read_safe(ioport(tag), 0) & 7];
+}
+
+READ16_MEMBER(topspeed_state::motor_r)
+{
+ switch (offset)
+ {
+ case 0x0: // Motor status?
+ return (machine().rand() & 0xff);
+
+ case 0x101: // Motor CPU status?
+ return 0x55;
+
+ case 0x141: // Left limit data
+ case 0x142: // Right limit data
+ case 0x143: // Horizontal center data
+
+ case 0x144: // Upper limit data
+ case 0x145: // Lower limit data
+ case 0x146: // Vertical center data
+
+ case 0x147: // Horizontal motor position
+ case 0x148: // Vertical motor position
+ return 0;
+
+ default:
+ logerror("CPU #0 PC %06x: warning - read from motor cpu %03x\n", space.device().safe_pc(), offset);
+ return 0;
+ }
+}
+
+WRITE16_MEMBER(topspeed_state::motor_w)
+{
+ // Writes $900000-25 and $900200-219
+ logerror("CPU #0 PC %06x: warning - write %04x to motor cpu %03x\n", space.device().safe_pc(), data, offset);
+}
+
+
+/*****************************************************
+ SOUND
+*****************************************************/
+
+WRITE8_MEMBER(topspeed_state::sound_bankswitch_w)
+{
+ membank("sndbank")->set_entry(data & 3);
+}
+
+void topspeed_state::msm5205_update(int chip)
+{
+ if (m_msm_reset[chip])
+ return;
+
+ UINT8 data = m_msm_rom[chip][m_msm_pos[chip]];
+ msm5205_device *msm = chip ? m_msm2 : m_msm1;
+
+ msm->data_w((m_msm_nibble[chip] ? data : data >> 4) & 0xf);
+
+ if (m_msm_nibble[chip])
+ ++m_msm_pos[chip];
+
+ m_msm_nibble[chip] ^= 1;
+}
+
+WRITE_LINE_MEMBER(topspeed_state::msm5205_1_vck)
+{
+ msm5205_update(0);
+}
+
+WRITE8_MEMBER(topspeed_state::msm5205_command_w)
+{
+ int chip = (offset >> 12) & 1;
+ msm5205_device *msm = chip ? m_msm2 : m_msm1;
+
+ switch (offset >> 8 & 0x2e)
+ {
+ // $b000 / $c000: Start address
+ case 0x00:
+ m_msm_pos[chip] = data << 8;
+ break;
+
+ // $b400 / $c400: Run
+ case 0x04:
+ m_msm_reset[chip] = 0;
+ msm->reset_w(0);
+ break;
+
+ // $b800 / $c800: Stop
+ case 0x08:
+ m_msm_reset[chip] = 1;
+ m_msm_nibble[chip] = 0;
+ msm->reset_w(1);
+ break;
+
+ // $cc00: ? Chip 2 only
+ case 0x0c:
+ break;
+
+ default:
+ logerror("Unhandled MSM5205 control write to %x with %x (PC:%.4x)\n", 0xb000 + offset, data, space.device().safe_pc());
+ break;
+ }
+}
+
+WRITE8_MEMBER(topspeed_state::volume_w)
+{
+ // The volume is controlled by two Taito TC0060DCA hybrid volume modules
+ filter_volume_device *filter = NULL;
+
+ switch (offset)
+ {
+ case 0x000: filter = m_filter2; break; // MSM5205 1
+ case 0x200: filter = m_filter3; break; // MSM5205 2
+ case 0x400: filter = m_filter1l; break; // YM-2151 L
+ case 0x600: filter = m_filter1r; break; // YM-2151 R
+ }
+
+ filter->flt_volume_set_volume(data / 255.0f);
+}
+
+WRITE_LINE_MEMBER(topspeed_state::z80ctc_to0)
+{
+ if (m_msm2_vck2 && !state)
+ {
+ // CTC output is divided by 2
+ if (m_msm2_vck)
+ {
+ m_msm2->vclk_w(1);
+ }
+ else
+ {
+ // Update on falling edge of /VCK
+ UINT16 oldpos = m_msm_pos[1];
+
+ msm5205_update(1);
+
+ // Handle looping
+ if ((oldpos >> 8) == 0x0f && ((m_msm_pos[1] >> 8) == 0x10))
+ {
+ m_msm_pos[1] = 0;
+ m_msm2->reset_w(1);
+ m_msm2->vclk_w(0);
+ m_msm2->reset_w(0);
+ }
+ else
+ {
+ m_msm2->vclk_w(0);
+ }
+ }
+
+ m_msm2_vck ^= 1;
+ }
+ m_msm2_vck2 = state;
+}
+
+
+/***********************************************************
+ MEMORY STRUCTURES
+***********************************************************/
+
+static ADDRESS_MAP_START( cpua_map, AS_PROGRAM, 16, topspeed_state )
+ AM_RANGE(0x000000, 0x0fffff) AM_ROM
+ AM_RANGE(0x400000, 0x40ffff) AM_RAM AM_SHARE("sharedram")
+ AM_RANGE(0x500000, 0x503fff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
+ AM_RANGE(0x600002, 0x600003) AM_WRITE(cpua_ctrl_w)
+ AM_RANGE(0x7e0000, 0x7e0001) AM_READNOP AM_DEVWRITE8("tc0140syt", tc0140syt_device, master_port_w, 0x00ff)
+ AM_RANGE(0x7e0002, 0x7e0003) AM_DEVREADWRITE8("tc0140syt", tc0140syt_device, master_comm_r, master_comm_w, 0x00ff)
+ AM_RANGE(0x800000, 0x8003ff) AM_RAM AM_SHARE("raster_ctrl")
+ AM_RANGE(0x800400, 0x80ffff) AM_RAM
+ AM_RANGE(0x880000, 0x880007) AM_WRITENOP // Lamps/outputs?
+ AM_RANGE(0xa00000, 0xa0ffff) AM_DEVREADWRITE("pc080sn_1", pc080sn_device, word_r, word_w)
+ AM_RANGE(0xa20000, 0xa20003) AM_DEVWRITE("pc080sn_1", pc080sn_device, yscroll_word_w)
+ AM_RANGE(0xa40000, 0xa40003) AM_DEVWRITE("pc080sn_1", pc080sn_device, xscroll_word_w)
+ AM_RANGE(0xa50000, 0xa50003) AM_DEVWRITE("pc080sn_1", pc080sn_device, ctrl_word_w)
+ AM_RANGE(0xb00000, 0xb0ffff) AM_DEVREADWRITE("pc080sn_2", pc080sn_device, word_r, word_w)
+ AM_RANGE(0xb20000, 0xb20003) AM_DEVWRITE("pc080sn_2", pc080sn_device, yscroll_word_w)
+ AM_RANGE(0xb40000, 0xb40003) AM_DEVWRITE("pc080sn_2", pc080sn_device, xscroll_word_w)
+ AM_RANGE(0xb50000, 0xb50003) AM_DEVWRITE("pc080sn_2", pc080sn_device, ctrl_word_w)
+ AM_RANGE(0xd00000, 0xd00fff) AM_RAM AM_SHARE("spriteram")
+ AM_RANGE(0xe00000, 0xe0ffff) AM_RAM AM_SHARE("spritemap")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( cpub_map, AS_PROGRAM, 16, topspeed_state )
+ AM_RANGE(0x000000, 0x01ffff) AM_ROM
+ AM_RANGE(0x400000, 0X40ffff) AM_RAM AM_SHARE("sharedram")
+ AM_RANGE(0x880000, 0x880001) AM_READ8(input_bypass_r, 0x00ff) AM_DEVWRITE8("tc0220ioc", tc0220ioc_device, portreg_w, 0x00ff)
+ AM_RANGE(0x880002, 0x880003) AM_DEVREADWRITE8("tc0220ioc", tc0220ioc_device, port_r, port_w, 0x00ff)
+ AM_RANGE(0x900000, 0x9003ff) AM_READWRITE(motor_r, motor_w)
+ADDRESS_MAP_END
+
+
+/***************************************************************************/
+
+static ADDRESS_MAP_START( z80_prg, AS_PROGRAM, 8, topspeed_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM
+ AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("sndbank")
+ AM_RANGE(0x8000, 0x8fff) AM_RAM
+ AM_RANGE(0x9000, 0x9001) AM_DEVREADWRITE("ymsnd", ym2151_device, read, write)
+ AM_RANGE(0xa000, 0xa000) AM_DEVWRITE("tc0140syt", tc0140syt_device, slave_port_w)
+ AM_RANGE(0xa001, 0xa001) AM_DEVREADWRITE("tc0140syt", tc0140syt_device, slave_comm_r, slave_comm_w)
+ AM_RANGE(0xb000, 0xcfff) AM_WRITE(msm5205_command_w)
+ AM_RANGE(0xd000, 0xdfff) AM_WRITE(volume_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( z80_io, AS_IO, 8, topspeed_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("ctc", z80ctc_device, read, write)
+ADDRESS_MAP_END
+
+
+/***********************************************************
+ INPUT PORTS, DIPs
+***********************************************************/
+
+static INPUT_PORTS_START( topspeed )
+ // 0x880000 (port 0) -> 0x400852 (-$77ae,A5) (shared RAM)
+ PORT_START("DSWA")
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SWA:1,2")
+ PORT_DIPSETTING( 0x03, "Deluxe" ) // analog pedals, racing wheel, motor (tilt disabled)
+ PORT_DIPSETTING( 0x02, "Standard" ) // digital pedals, continuous wheel
+// PORT_DIPSETTING( 0x01, "Standard" )
+ PORT_DIPSETTING( 0x00, "Mini" ) // analog pedals, racing wheel
+ TAITO_DSWA_BITS_2_TO_3_LOC(SWA)
+ TAITO_COINAGE_WORLD_LOC(SWA)
+
+ // 0x880000 (port 1) -> 0x400850 (-$77b0,A5) (shared RAM)
+ PORT_START("DSWB")
+ TAITO_DIFFICULTY_LOC(SWB)
+ PORT_DIPNAME( 0x0c, 0x0c, "Initial Time" ) PORT_DIPLOCATION("SWB:3,4")
+ PORT_DIPSETTING( 0x00, "40 seconds" )
+ PORT_DIPSETTING( 0x04, "50 seconds" )
+ PORT_DIPSETTING( 0x0c, "60 seconds" )
+ PORT_DIPSETTING( 0x08, "70 seconds" )
+ PORT_DIPNAME( 0x30, 0x30, "Nitros" ) PORT_DIPLOCATION("SWB:5,6")
+ PORT_DIPSETTING( 0x20, "2" )
+ PORT_DIPSETTING( 0x30, "3" )
+ PORT_DIPSETTING( 0x10, "4" )
+ PORT_DIPSETTING( 0x00, "5" )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SWB:7")
+ PORT_DIPSETTING( 0x40, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Continue_Price ) ) PORT_DIPLOCATION("SWB:8") // "KEEP OFF" in manual, see notes
+ PORT_DIPSETTING( 0x80, "Same as Start" )
+ PORT_DIPSETTING( 0x00, "Half of Start" )
+
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN2 )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, topspeed_state, pedal_r, "BRAKE") PORT_CONDITION("DSWA", 0x03, NOTEQUALS, 0x02)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Brake Switch") PORT_CONDITION("DSWA", 0x03, EQUALS, 0x02)
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Nitro")
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_TILT )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE2 ) PORT_NAME("Calibrate") // ?
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Shifter") PORT_TOGGLE
+ PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, topspeed_state, pedal_r, "GAS") PORT_CONDITION("DSWA", 0x03, NOTEQUALS, 0x02)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Gas Switch") PORT_CONDITION("DSWA", 0x03, EQUALS, 0x02)
+
+ PORT_START("IN2") // Unused
+
+ PORT_START("STEER")
+ PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_NAME("Steering Wheel") PORT_CONDITION("DSWA", 0x03, NOTEQUALS, 0x02) // racing wheel (absolute)
+ PORT_BIT( 0xffff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(2) PORT_NAME("Steering Wheel") PORT_CONDITION("DSWA", 0x03, EQUALS, 0x02) // continuous (relative)
+
+ PORT_START("GAS")
+ PORT_BIT( 0x07, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(1) PORT_NAME("Gas Pedal") PORT_CONDITION("DSWA", 0x03, NOTEQUALS, 0x02)
+
+ PORT_START("BRAKE")
+ PORT_BIT( 0x07, 0x00, IPT_PEDAL2 ) PORT_SENSITIVITY(25) PORT_KEYDELTA(1) PORT_NAME("Brake Pedal") PORT_CONDITION("DSWA", 0x03, NOTEQUALS, 0x02)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( fullthrl )
+ PORT_INCLUDE(topspeed)
+
+ PORT_MODIFY("DSWA")
+ TAITO_COINAGE_JAPAN_OLD_LOC(SWA)
+INPUT_PORTS_END
+
+
+/**************************************************************
+ GFX DECODING
+**************************************************************/
+
+static const gfx_layout tile16x8_layout =
+{
+ 16,8, // 16*8 sprites
+ RGN_FRAC(1,1),
+ 4, // 4 bits per pixel
+ { 0, 8, 16, 24 },
+ { 32, 33, 34, 35, 36, 37, 38, 39, 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64 },
+ 64*8 // every sprite takes 64 consecutive bytes
+};
+
+static const gfx_layout charlayout =
+{
+ 8,8, // 8*8 characters
+ RGN_FRAC(1,1),
+ 4, // 4 bits per pixel
+ { 0, 1, 2, 3 },
+ { 2*4, 3*4, 0*4, 1*4, 6*4, 7*4, 4*4, 5*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8 // every sprite takes 32 consecutive bytes
+};
+
+static GFXDECODE_START( topspeed )
+ GFXDECODE_ENTRY( "gfx2", 0x0, tile16x8_layout, 0, 256 ) // Sprite parts
+ GFXDECODE_ENTRY( "gfx1", 0x0, charlayout, 0, 512 ) // Sprites & playfield
+ // Road Lines gfxdecodable ?
+GFXDECODE_END
+
+
+/***********************************************************
+ MACHINE DRIVERS
+***********************************************************/
+
+void topspeed_state::machine_start()
+{
+ membank("sndbank")->configure_entries(0, 4, memregion("audiocpu")->base() + 0xc000, 0x4000);
+
+ m_msm_rom[0] = memregion("adpcm")->base();
+ m_msm_rom[1] = memregion("adpcm")->base() + 0x10000;
+
+ save_item(NAME(m_cpua_ctrl));
+ save_item(NAME(m_ioc220_port));
+ save_item(NAME(m_msm_pos));
+ save_item(NAME(m_msm_reset));
+ save_item(NAME(m_msm_nibble));
+ save_item(NAME(m_msm2_vck));
+ save_item(NAME(m_msm2_vck2));
+}
+
+void topspeed_state::machine_reset()
+{
+ m_cpua_ctrl = 0;
+ m_ioc220_port = 0;
+
+ m_msm_reset[0] = 0;
+ m_msm_reset[1] = 0;
+ m_msm1->reset_w(1);
+ m_msm2->reset_w(1);
+ m_msm2_vck = 0;
+ m_msm2_vck2 = 0;
+}
+
+
+static MACHINE_CONFIG_START( topspeed, topspeed_state )
+
+ // basic machine hardware
+ MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz / 2)
+ MCFG_CPU_PROGRAM_MAP(cpua_map)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", topspeed_state, irq6_line_hold)
+
+ MCFG_CPU_ADD("subcpu", M68000, XTAL_16MHz / 2)
+ MCFG_CPU_PROGRAM_MAP(cpub_map)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", topspeed_state, irq5_line_hold)
+
+ MCFG_CPU_ADD("audiocpu", Z80, XTAL_16MHz / 4)
+ MCFG_CPU_PROGRAM_MAP(z80_prg)
+ MCFG_CPU_IO_MAP(z80_io)
+
+ MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_16MHz / 4)
+ MCFG_Z80CTC_ZC0_CB(WRITELINE(topspeed_state, z80ctc_to0))
+
+ MCFG_DEVICE_ADD("pc080sn_1", PC080SN, 0)
+ MCFG_PC080SN_GFX_REGION(1)
+ MCFG_PC080SN_OFFSETS(0, 8)
+ MCFG_PC080SN_GFXDECODE("gfxdecode")
+ MCFG_PC080SN_PALETTE("palette")
+
+ MCFG_DEVICE_ADD("pc080sn_2", PC080SN, 0)
+ MCFG_PC080SN_GFX_REGION(1)
+ MCFG_PC080SN_OFFSETS(0, 8)
+ MCFG_PC080SN_GFXDECODE("gfxdecode")
+ MCFG_PC080SN_PALETTE("palette")
+
+ MCFG_DEVICE_ADD("tc0140syt", TC0140SYT, 0)
+ MCFG_TC0140SYT_MASTER_CPU("maincpu")
+ MCFG_TC0140SYT_SLAVE_CPU("audiocpu")
+
+ MCFG_DEVICE_ADD("tc0220ioc", TC0220IOC, 0)
+ MCFG_TC0220IOC_READ_0_CB(IOPORT("DSWA"))
+ MCFG_TC0220IOC_READ_1_CB(IOPORT("DSWB"))
+ MCFG_TC0220IOC_READ_2_CB(IOPORT("IN0"))
+ MCFG_TC0220IOC_READ_3_CB(IOPORT("IN1"))
+ MCFG_TC0220IOC_READ_7_CB(IOPORT("IN2"))
+
+ // video hardware
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60.0532) // Measured on real hardware
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+ MCFG_SCREEN_SIZE(40*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 2*8, 32*8-1)
+ MCFG_SCREEN_UPDATE_DRIVER(topspeed_state, screen_update_topspeed)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", topspeed)
+ MCFG_PALETTE_ADD("palette", 8192)
+ MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR)
+
+ // sound hardware
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_YM2151_ADD("ymsnd", XTAL_16MHz / 4)
+ MCFG_YM2151_IRQ_HANDLER(INPUTLINE("audiocpu", 0))
+ MCFG_YM2151_PORT_WRITE_HANDLER(WRITE8(topspeed_state, sound_bankswitch_w))
+ MCFG_SOUND_ROUTE(0, "filter1l", 1.0)
+ MCFG_SOUND_ROUTE(1, "filter1r", 1.0)
+
+ MCFG_SOUND_ADD("msm1", MSM5205, XTAL_384kHz)
+ MCFG_MSM5205_VCLK_CB(WRITELINE(topspeed_state, msm5205_1_vck)) // VCK function
+ MCFG_MSM5205_PRESCALER_SELECTOR(MSM5205_S48_4B) // 8 kHz, 4-bit
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "filter2", 1.0)
+
+ MCFG_SOUND_ADD("msm2", MSM5205, XTAL_384kHz)
+ MCFG_MSM5205_PRESCALER_SELECTOR(MSM5205_SEX_4B) // Slave mode, 4-bit
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "filter3", 1.0)
+
+ MCFG_FILTER_VOLUME_ADD("filter1l", 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
+ MCFG_FILTER_VOLUME_ADD("filter1r", 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
+
+ MCFG_FILTER_VOLUME_ADD("filter2", 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
+
+ MCFG_FILTER_VOLUME_ADD("filter3", 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+
+/***************************************************************************
+ DRIVERS
+
+Note: driver does NOT make use of the zoom sprite tables rom.
+***************************************************************************/
+
+ROM_START( topspeed )
+ ROM_REGION( 0x100000, "maincpu", 0 ) // 128K for 68000 code (CPU A)
+ ROM_LOAD16_BYTE( "b14-67-1.9", 0x00000, 0x10000, CRC(23f17616) SHA1(653ab6537f2e5898a77060c82b776852ab1f2b51) )
+ ROM_LOAD16_BYTE( "b14-68-1.11", 0x00001, 0x10000, CRC(835659d9) SHA1(e99967f795c3c6e14bad7a66315640ca5db43c72) )
+ ROM_LOAD16_BYTE( "b14-54.24", 0x80000, 0x20000, CRC(172924d5) SHA1(4a963f2e816f4b1c5acc6d38e99a68d3baeee8c6) ) // 4 data ROMs
+ ROM_LOAD16_BYTE( "b14-52.26", 0x80001, 0x20000, CRC(e1b5b2a1) SHA1(8e2b992dcd5dc2317594c0187a22767aa626edee) )
+ ROM_LOAD16_BYTE( "b14-55.23", 0xc0000, 0x20000, CRC(a1f15499) SHA1(72f99108713773782fc72aae5a3f6e9e2a1e347c) )
+ ROM_LOAD16_BYTE( "b14-53.25", 0xc0001, 0x20000, CRC(04a04f5f) SHA1(09c15c33967bb141cc504b70d01c154bedb7fa33) )
+
+ ROM_REGION( 0x20000, "subcpu", 0 ) // 128K for 68000 code (CPU B)
+ ROM_LOAD16_BYTE( "b14-69.80", 0x00000, 0x10000, CRC(d652e300) SHA1(b559bdb564d96da4c656dc7b2c88dae84c4861ae) )
+ ROM_LOAD16_BYTE( "b14-70.81", 0x00001, 0x10000, CRC(b720592b) SHA1(13298b498a198dcc1a56e533d106545dd77e1bbc) )
+
+ ROM_REGION( 0x1c000, "audiocpu", 0 ) // Z80 sound CPU
+ ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
+ ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
+
+ ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
+ ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
+ ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
+
+ ROM_REGION( 0x200000, "gfx2", 0 )
+ ROMX_LOAD( "b14-48.16", 0x000003, 0x20000, CRC(30c7f265) SHA1(3e52e2aabf2c456d0b57d9414f99bd942bafc887) , ROM_SKIP(7) ) // OBJ, bitplane 3
+ ROMX_LOAD( "b14-49.12", 0x100003, 0x20000, CRC(32ba4265) SHA1(f468243d923726b7eff78d9bc55a3a092f211a24) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-50.8", 0x000007, 0x20000, CRC(ec1ef311) SHA1(4cfa06aec9535f2044b763b071f73d23ca8ba354) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-51.4", 0x100007, 0x20000, CRC(35041c5f) SHA1(71602267736396516366a8abf535db82acaa1c23) , ROM_SKIP(7) )
+
+ ROMX_LOAD( "b14-44.15", 0x000002, 0x20000, CRC(9f6c030e) SHA1(bb278fdcc29530685aa2e76da0712195f6ab0f5f) , ROM_SKIP(7) ) // OBJ, bitplane 2
+ ROMX_LOAD( "b14-45.11", 0x100002, 0x20000, CRC(63e4ce03) SHA1(92e3f45754676dd15691e48c0d37490c1a3ec328) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-46.7", 0x000006, 0x20000, CRC(d489adf2) SHA1(9f77916594d5ed05b79d7e8d8f534eb39f65edae) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-47.3", 0x100006, 0x20000, CRC(b3a1f75b) SHA1(050dd3313b5392d131c5a62c544260b83af0b8ab) , ROM_SKIP(7) )
+
+ ROMX_LOAD( "b14-40.14", 0x000001, 0x20000, CRC(fa2a3cb3) SHA1(1e102ae6e916fda046a154b89056a18b724d51a3) , ROM_SKIP(7) ) // OBJ, bitplane 1
+ ROMX_LOAD( "b14-41.10", 0x100001, 0x20000, CRC(09455a14) SHA1(dc703e1f9c4f16e330796e9945799e1038ce503b) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-42.6", 0x000005, 0x20000, CRC(ab51f53c) SHA1(0ed9a2e607b0bd2b43b47e3ed29b00a8d8a09f25) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-43.2", 0x100005, 0x20000, CRC(1e6d2b38) SHA1(453cd818a6cd8b238c72cc880c811227609767b8) , ROM_SKIP(7) )
+
+ ROMX_LOAD( "b14-36.13", 0x000000, 0x20000, CRC(20a7c1b8) SHA1(053c6b733a5c33b9259dfc754ce30a880905bb11) , ROM_SKIP(7) ) // OBJ, bitplane 0
+ ROMX_LOAD( "b14-37.9", 0x100000, 0x20000, CRC(801b703b) SHA1(dfbe276bd484815a7e69589eb56d54bc6e12e301) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-38.5", 0x000004, 0x20000, CRC(de0c213e) SHA1(1313b2051e906d22edb55f4d45d3a424b31ca2a2) , ROM_SKIP(7) )
+ ROMX_LOAD( "b14-39.1", 0x100004, 0x20000, CRC(798c28c5) SHA1(d2a8b9f84b3760f3800c5760ecee7ddcbafa6d6e) , ROM_SKIP(7) )
+
+ ROM_REGION( 0x10000, "user1", 0 ) // Zoom tables for zoom sprite h/w
+ ROM_LOAD( "b14-30.88", 0x00000, 0x10000, CRC(dccb0c7f) SHA1(42f0af72f559133b74912a4478e1323062be4b77) )
+
+ ROM_REGION( 0x2000, "user2", 0 ) // Unknown (Sharp LH763J-70 64kx8 OTP ROM)
+ ROM_LOAD( "b14-31.90", 0x0000, 0x2000, CRC(5c6b013d) SHA1(6d02d4560076213b6fb6fe856143bb533090603e) )
+
+ ROM_REGION( 0x20000, "adpcm", 0 ) // ADPCM samples
+ ROM_LOAD( "b14-28.103", 0x00000, 0x10000, CRC(df11d0ae) SHA1(259e1e6cc7ab100bfdb60e3d7a6bb46acb6fe2ea) )
+ ROM_LOAD( "b14-29.109", 0x10000, 0x10000, CRC(7ad983e7) SHA1(a3515caf93d6dab86de06ee52d6a13a456507dbe) )
+ROM_END
+
+ROM_START( topspeedu )
+ ROM_REGION( 0x100000, "maincpu", 0 ) // 128K for 68000 code (CPU A)
+ ROM_LOAD16_BYTE ( "b14-23", 0x00000, 0x10000, CRC(dd0307fd) SHA1(63218a707c78b3c785d1741dabdc511a76f12af1) )
+ ROM_LOAD16_BYTE ( "b14-24", 0x00001, 0x10000, CRC(acdf08d4) SHA1(506d48d27fc26684a3f884919665cf65a1b3062f) )
+ ROM_LOAD16_WORD_SWAP( "b14-05", 0x80000, 0x80000, CRC(6557e9d8) SHA1(ff528b27fcaef5c181f5f3a56d6a41b935cf07e1) ) // Data ROM
+
+ ROM_REGION( 0x20000, "subcpu", 0 ) // 128K for 68000 code (CPU B)
+ ROM_LOAD16_BYTE( "b14-26", 0x00000, 0x10000, CRC(659dc872) SHA1(0a168122fe6324510c830e21a56eace9c8a2c189) )
+ ROM_LOAD16_BYTE( "b14-56", 0x00001, 0x10000, CRC(d165cf1b) SHA1(bfbb8699c5671d3841d4057678ef4085c1927684) )
+
+ ROM_REGION( 0x1c000, "audiocpu", 0 ) // Z80 sound CPU
+ ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
+ ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
+
+ ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
+ ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
+ ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
+
+ ROM_REGION( 0x200000, "gfx2", 0 ) // OBJ: each rom has 1 bitplane, forming 16x8 tiles
+ ROM_LOAD32_BYTE( "b14-01", 0x00000, 0x80000, CRC(84a56f37) SHA1(926bcae5bd75a4172de2a2078718b2940c5c1966) )
+ ROM_LOAD32_BYTE( "b14-02", 0x00001, 0x80000, CRC(6889186b) SHA1(3c38e281e8bf416a401c76ebb2d8ca95d09974b6) )
+ ROM_LOAD32_BYTE( "b14-03", 0x00002, 0x80000, CRC(d1ed9e71) SHA1(26a6b2ca5bf6d70ad87f5c40c8e94ec542a2ec04) )
+ ROM_LOAD32_BYTE( "b14-04", 0x00003, 0x80000, CRC(b63f0519) SHA1(e9a6b49effba0cae1ae3536a8584d3efa34ca8c3) )
+
+ ROM_REGION( 0x10000, "user1", 0 ) // Zoom tables for zoom sprite h/w
+ ROM_LOAD( "b14-30.88", 0x00000, 0x10000, CRC(dccb0c7f) SHA1(42f0af72f559133b74912a4478e1323062be4b77) )
+
+ ROM_REGION( 0x2000, "user2", 0 ) // Unknown (Sharp LH763J-70 64kx8 OTP ROM)
+ ROM_LOAD( "b14-31.90", 0x0000, 0x2000, CRC(5c6b013d) SHA1(6d02d4560076213b6fb6fe856143bb533090603e) )
+
+ ROM_REGION( 0x20000, "adpcm", 0 ) // ADPCM samples
+ ROM_LOAD( "b14-28.103", 0x00000, 0x10000, CRC(df11d0ae) SHA1(259e1e6cc7ab100bfdb60e3d7a6bb46acb6fe2ea) )
+ ROM_LOAD( "b14-29.109", 0x10000, 0x10000, CRC(7ad983e7) SHA1(a3515caf93d6dab86de06ee52d6a13a456507dbe) )
+ROM_END
+
+ROM_START( fullthrl )
+ ROM_REGION( 0x100000, "maincpu", 0 ) // 128K for 68000 code (CPU A) - Later revision?
+ ROM_LOAD16_BYTE ( "b14-67", 0x00000, 0x10000, CRC(284c943f) SHA1(e4720b138052d9cbf1290aeca8f9dd7fe2cffcc5) )
+ ROM_LOAD16_BYTE ( "b14-68", 0x00001, 0x10000, CRC(54cf6196) SHA1(0e86a7bf7d43526222160f4cd09f8d29fa9abdc4) )
+ ROM_LOAD16_WORD_SWAP( "b14-05", 0x80000, 0x80000, CRC(6557e9d8) SHA1(ff528b27fcaef5c181f5f3a56d6a41b935cf07e1) ) // Data ROM
+
+ ROM_REGION( 0x20000, "subcpu", 0 ) // 128K for 68000 code (CPU B)
+ ROM_LOAD16_BYTE( "b14-69.80", 0x00000, 0x10000, CRC(d652e300) SHA1(b559bdb564d96da4c656dc7b2c88dae84c4861ae) )
+ ROM_LOAD16_BYTE( "b14-71", 0x00001, 0x10000, CRC(f7081727) SHA1(f0ab6ce9975dd7a1fadd439fd3dfd2f1bf88796c) )
+
+ ROM_REGION( 0x1c000, "audiocpu", 0 ) // Z80 sound CPU
+ ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
+ ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
+
+ ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
+ ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
+ ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
+
+ ROM_REGION( 0x200000, "gfx2", 0 ) // OBJ: each rom has 1 bitplane, forming 16x8 tiles
+ ROM_LOAD32_BYTE( "b14-01", 0x00000, 0x80000, CRC(84a56f37) SHA1(926bcae5bd75a4172de2a2078718b2940c5c1966) )
+ ROM_LOAD32_BYTE( "b14-02", 0x00001, 0x80000, CRC(6889186b) SHA1(3c38e281e8bf416a401c76ebb2d8ca95d09974b6) )
+ ROM_LOAD32_BYTE( "b14-03", 0x00002, 0x80000, CRC(d1ed9e71) SHA1(26a6b2ca5bf6d70ad87f5c40c8e94ec542a2ec04) )
+ ROM_LOAD32_BYTE( "b14-04", 0x00003, 0x80000, CRC(b63f0519) SHA1(e9a6b49effba0cae1ae3536a8584d3efa34ca8c3) )
+
+ ROM_REGION( 0x10000, "user1", 0 ) // Zoom tables for zoom sprite h/w
+ ROM_LOAD( "b14-30.88", 0x00000, 0x10000, CRC(dccb0c7f) SHA1(42f0af72f559133b74912a4478e1323062be4b77) )
+
+ ROM_REGION( 0x2000, "user2", 0 ) // Unknown (Sharp LH763J-70 64kx8 OTP ROM)
+ ROM_LOAD( "b14-31.90", 0x0000, 0x2000, CRC(5c6b013d) SHA1(6d02d4560076213b6fb6fe856143bb533090603e) )
+
+ ROM_REGION( 0x20000, "adpcm", 0 ) // ADPCM samples
+ ROM_LOAD( "b14-28.103", 0x00000, 0x10000, CRC(df11d0ae) SHA1(259e1e6cc7ab100bfdb60e3d7a6bb46acb6fe2ea) )
+ ROM_LOAD( "b14-29.109", 0x10000, 0x10000, CRC(7ad983e7) SHA1(a3515caf93d6dab86de06ee52d6a13a456507dbe) )
+ROM_END
+
+
+GAMEL( 1987, topspeed, 0, topspeed, topspeed, driver_device, 0, ROT0, "Taito Corporation Japan", "Top Speed (World)", MACHINE_SUPPORTS_SAVE, layout_topspeed )
+GAMEL( 1987, topspeedu,topspeed, topspeed, fullthrl, driver_device, 0, ROT0, "Taito America Corporation (Romstar license)", "Top Speed (US)", MACHINE_SUPPORTS_SAVE, layout_topspeed )
+GAMEL( 1987, fullthrl, topspeed, topspeed, fullthrl, driver_device, 0, ROT0, "Taito Corporation", "Full Throttle (Japan)", MACHINE_SUPPORTS_SAVE, layout_topspeed )