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+// license:BSD-3-Clause
+// copyright-holders:Nicola Salmoria
+/***************************************************************************
+
+ Sega Zaxxon hardware
+
+ Games supported:
+ * Zaxxon
+ * Super Zaxxon
+ * Future Spy
+ * Razmatazz
+ * Ixion
+ * Congo Bongo
+
+ DIP locations verified from manual for:
+ * Zaxxon
+ * Congo Bongo
+
+ Known bugs:
+ * discrete sound emulation
+
+****************************************************************************
+
+ Zaxxon memory map (preliminary)
+
+ 0000-1fff ROM 3
+ 2000-3fff ROM 2
+ 4000-4fff ROM 1
+ 6000-67ff RAM 1
+ 6800-6fff RAM 2
+ 8000-83ff Video RAM
+ a000-a0ff sprites
+
+ read:
+ c000 IN0
+ c001 IN1
+ c002 DSW0
+ c003 DSW1
+ c100 IN2
+ see the input_ports definition below for details on the input bits
+
+ write:
+ c000 coin A enable
+ c001 coin B enable
+ c002 coin aux enable
+ c003-c004 coin counters
+ c006 flip screen
+ ff3c-ff3f sound (see below)
+ fff0 interrupt enable
+ fff1 character color bank (not used during the game, but used in test mode)
+ fff8-fff9 background playfield position (11 bits)
+ fffa background color bank (0 = standard 1 = reddish)
+ fffb background enable
+
+ interrupts:
+ VBlank triggers IRQ, handled with interrupt mode 1
+ NMI enters the test mode.
+
+ Changes:
+ 25 Jan 98 LBO
+ * Added crude support for samples based on Frank's info. As of yet, I don't have
+ a set that matches the names - I need a way to edit the .wav files I have.
+ Hopefully I'll be able to create a good set shortly. I also don't know which
+ sounds "loop".
+ 26 Jan 98 LBO
+ * Fixed the sound support. I lack explosion samples and the base missile sample so
+ these are untested. I'm also unsure about the background noise. It seems to have
+ a variable volume so I've tried to reproduce that via just 1 sample.
+
+ 12 Mar 98 ATJ
+ * For the moment replaced Brad's version of the samples with mine from the Mame/P
+ release. As yet, no variable volume, but I will be combining the features from
+ Brad's driver into mine ASAP.
+
+****************************************************************************
+
+ Ixion Board Info
+
+ Ixion
+ Sega(prototype) 7/1/1983
+
+
+ Board set is a modified Super Zaxxon, similar to Razzmatazz
+
+ [G80 Sound board]
+
+
+
+ U51
+ U50
+
+ [834-0214 ZAXXON-SOUNDII]
+
+ 315-5013 U27 U28 U29
+
+
+ U68 U69 U72
+ U98
+
+ [ ZAXXON-VIDEOII]
+
+
+ U77 U78 U79 U90 U91 U92 U93
+ U111 U112 U113
+
+****************************************************************************
+
+ Congo Bongo memory map (preliminary)
+
+ 0000-1fff ROM 1
+ 2000-3fff ROM 2
+ 4000-5fff ROM 3
+ 6000-7fff ROM 4
+
+ 8000-87ff RAM 1
+ 8800-8fff RAM 2
+ a000-a3ff Video RAM
+ a400-a7ff Color RAM
+
+ 8400-8fff sprites
+
+ read:
+ c000 IN0
+ c001 IN1
+ c002 DSW1
+ c003 DSW2
+ c008 IN2
+
+ write:
+ c000-c002 ?
+ c006 ?
+ c018 coinAen, used to enable input on coin slot A
+ c019 coinBen, used to enable input on coin slot B
+ c01a serven, used to enable input on service sw
+ c01b counterA,coin counter for slot A
+ c01c counterB,coin counter for slot B
+ c01d background enable
+ c01e flip screen
+ c01f interrupt enable
+
+ c028-c029 background playfield position
+ c031 sprite enable ?
+ c032 sprite start
+ c033 sprite count
+
+
+ interrupts:
+ VBlank triggers IRQ, handled with interrupt mode 1
+ NMI causes a ROM/RAM test.
+
+ ----------------------------------------------------------------------
+
+ There are two different Congo Bongo boardsets. One is a 3-stack (which I have)
+ and the other is a 2-stack.
+
+ The smaller third board is just a dedicated sound board, then later they started
+ making 2-stack boardset versions with merged sound circuits built into the control
+ board.
+
+ The schematic name for the control board on the two-stack set is "Control Board II"
+ my boardset uses control board 1.
+
+ The ROMs that are dumped for MAME are from the 3-stack boardset.
+ The ROMs on control board II are in different socket assignments than the ROMs
+ found on control board 1.
+
+ For example:
+ MAME congo1.bin = ROM 1 at location U35 on the 3-stack control board 1
+ MAME congo1.bin = ROM 1 at location U21 on the 2-stack control board II
+
+ So the locations are different between the two boardsets but they appear to use
+ the same ROM.
+
+ The Video boards are exactly the same between the two boardset versions (bottom
+ board) nothing changed with the video boards.
+
+ Both the 2-stack control board and 3-stack control board use a PROM that's contents
+ are identical between the two. Apparently the 3-Stack Control Board prom was
+ dumped as a TBP28L22, because that is how the 2-Stack Control board prom was dumped.
+
+ Board Location Label PROM Type
+ --------------------- -------- --------------- ---------
+ 3-Stack Control Board U68 MR020 (PR-5308) TBP28S42?
+ 2-Stack Control Board U87 MR019 (PR-5315) TBP28L22?
+
+ For the 3-stack control board PROM sheet 2 of 6 for the 834-5212 board lists the pinouts
+ and they match the physical board. The PROM also has the TI logo and a date code? of J810A.
+
+ ROM locations are different with ROMs 1-5 on control board II and a different
+ numbered ROM in U87.
+
+ ----ROM--NAMES-------------------------------------
+
+
+ THREE STACK BOARDSET
+ control board = 834-5166
+ video board = 834-5167
+ sound board = 834-5168
+
+
+ Current MAME Schematic Board
+ Names Names Location (3-stack)
+ ------------ --------- -------------------
+
+ congo.u68 = MR020 U68 control board
+ congo1.bin = ROM 1 U35 control board
+ congo2.bin = ROM 2 U34 control board
+ congo3.bin = ROM 3 U33 control board
+ congo4.bin = ROM 4 U32 control board
+ congo5.bin = ROM 5 U76 control board
+ congo6.bin = ROM 6 U57 video board
+ congo7.bin = ROM 7 U58 video board
+ congo8.bin = ROM 8 U93 video board
+ congo9.bin = ROM 9 U94 video board
+ congo10.bin = ROM 10 U95 video board
+ congo11.bin = ROM 11 U77 video board
+ congo12.bin = ROM 12 U78 video board
+ congo13.bin = ROM 13 U79 video board
+ congo14.bin = ROM 14 U104 video board
+ congo15.bin = ROM 15 U105 video board
+ congo16.bin = ROM 16 U106 video board
+ congo17.bin = ROM 17 U11 sound board
+
+
+
+ TWO STACK BOARDSET
+ control board II = 834-5212
+ video board = 834-5167
+
+
+ Current MAME Schematic Board
+ Names Names Location (2-stack)
+ ------------ --------- -------------------
+
+ congo.u68 = MR019 U87 control board
+ congo1.bin = ROM 1 U21 control board
+ congo2.bin = ROM 2 U22 control board
+ congo3.bin = ROM 3 U23 control board
+ congo4.bin = ROM 4 U24 control board
+ congo5.bin = ROM 5 U77 control board
+ congo6.bin = ROM 6 U57 video board
+ congo7.bin = ROM 7 U58 video board
+ congo8.bin = ROM 8 U93 video board
+ congo9.bin = ROM 9 U94 video board
+ congo10.bin = ROM 10 U95 video board
+ congo11.bin = ROM 11 U77 video board
+ congo12.bin = ROM 12 U78 video board
+ congo13.bin = ROM 13 U79 video board
+ congo14.bin = ROM 14 U104 video board
+ congo15.bin = ROM 15 U105 video board
+ congo16.bin = ROM 16 U106 video board
+ congo17.bin = ROM 17 U19 control board
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/sn76496.h"
+#include "sound/samples.h"
+#include "machine/segacrpt.h"
+#include "machine/i8255.h"
+#include "audio/segasnd.h"
+#include "includes/zaxxon.h"
+
+
+
+/*************************************
+ *
+ * Constants
+ *
+ *************************************/
+
+#define MASTER_CLOCK XTAL_48_66MHz
+#define SOUND_CLOCK XTAL_4MHz
+
+#define PIXEL_CLOCK (MASTER_CLOCK/8)
+
+#define HTOTAL (384)
+#define HBEND (0)
+#define HBSTART (256)
+
+#define VTOTAL (264)
+#define VBEND (16)
+#define VBSTART (240)
+
+
+
+/*************************************
+ *
+ * Interrupt generation
+ *
+ *************************************/
+
+INPUT_CHANGED_MEMBER(zaxxon_state::service_switch)
+{
+ /* pressing the service switch sends an NMI */
+ if (newval)
+ m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
+}
+
+
+INTERRUPT_GEN_MEMBER(zaxxon_state::vblank_int)
+{
+ if (m_int_enabled)
+ device.execute().set_input_line(0, ASSERT_LINE);
+}
+
+
+WRITE8_MEMBER(zaxxon_state::int_enable_w)
+{
+ m_int_enabled = data & 1;
+ if (!m_int_enabled)
+ m_maincpu->set_input_line(0, CLEAR_LINE);
+}
+
+
+
+/*************************************
+ *
+ * Machine setup
+ *
+ *************************************/
+
+void zaxxon_state::machine_start()
+{
+ /* register for save states */
+ save_item(NAME(m_int_enabled));
+ save_item(NAME(m_coin_status));
+ save_item(NAME(m_coin_enable));
+}
+
+
+
+/*************************************
+ *
+ * Input handlers
+ *
+ *************************************/
+
+READ8_MEMBER(zaxxon_state::razmataz_counter_r)
+{
+ /* this behavior is really unknown; however, the code is using this */
+ /* counter as a sort of timeout when talking to the sound board */
+ /* it needs to be increasing at a reasonable rate but not too fast */
+ /* or else the sound will mess up */
+ return m_razmataz_counter++ >> 8;
+}
+
+
+CUSTOM_INPUT_MEMBER(zaxxon_state::razmataz_dial_r)
+{
+ int num = (FPTR)param;
+ int res;
+
+ int delta = m_dials[num]->read();
+
+ if (delta < 0x80)
+ {
+ // right
+ m_razmataz_dial_pos[num] -= delta;
+ res = (m_razmataz_dial_pos[num] << 1) | 1;
+ }
+ else
+ {
+ // left
+ m_razmataz_dial_pos[num] += delta;
+ res = (m_razmataz_dial_pos[num] << 1);
+ }
+
+ return res;
+}
+
+
+
+/*************************************
+ *
+ * Output handlers
+ *
+ *************************************/
+
+WRITE8_MEMBER(zaxxon_state::zaxxon_coin_counter_w)
+{
+ coin_counter_w(machine(), offset, data & 0x01);
+}
+
+
+// There is no external coin lockout circuitry; instead, the pcb simply latches
+// the coin input, which then needs to be explicitly cleared by the game.
+WRITE8_MEMBER(zaxxon_state::zaxxon_coin_enable_w)
+{
+ m_coin_enable[offset] = data & 1;
+ if (!m_coin_enable[offset])
+ m_coin_status[offset] = 0;
+}
+
+
+INPUT_CHANGED_MEMBER(zaxxon_state::zaxxon_coin_inserted)
+{
+ if (newval)
+ {
+ m_coin_status[(int)(FPTR)param] = m_coin_enable[(int)(FPTR)param];
+ }
+}
+
+
+CUSTOM_INPUT_MEMBER(zaxxon_state::zaxxon_coin_r)
+{
+ return m_coin_status[(int)(FPTR)param];
+}
+
+
+
+/*************************************
+ *
+ * Main CPU memory handlers
+ *
+ *************************************/
+
+/* complete memory map derived from schematics */
+static ADDRESS_MAP_START( zaxxon_map, AS_PROGRAM, 8, zaxxon_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x6000, 0x6fff) AM_RAM
+ AM_RANGE(0x8000, 0x83ff) AM_MIRROR(0x1c00) AM_RAM_WRITE(zaxxon_videoram_w) AM_SHARE("videoram")
+ AM_RANGE(0xa000, 0xa0ff) AM_MIRROR(0x1f00) AM_RAM AM_SHARE("spriteram")
+ AM_RANGE(0xc000, 0xc000) AM_MIRROR(0x18fc) AM_READ_PORT("SW00")
+ AM_RANGE(0xc001, 0xc001) AM_MIRROR(0x18fc) AM_READ_PORT("SW01")
+ AM_RANGE(0xc002, 0xc002) AM_MIRROR(0x18fc) AM_READ_PORT("DSW02")
+ AM_RANGE(0xc003, 0xc003) AM_MIRROR(0x18fc) AM_READ_PORT("DSW03")
+ AM_RANGE(0xc100, 0xc100) AM_MIRROR(0x18ff) AM_READ_PORT("SW100")
+ AM_RANGE(0xc000, 0xc002) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_coin_enable_w)
+ AM_RANGE(0xc003, 0xc004) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_coin_counter_w)
+ AM_RANGE(0xc006, 0xc006) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_flipscreen_w)
+ AM_RANGE(0xe03c, 0xe03f) AM_MIRROR(0x1f00) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
+ AM_RANGE(0xe0f0, 0xe0f0) AM_MIRROR(0x1f00) AM_WRITE(int_enable_w)
+ AM_RANGE(0xe0f1, 0xe0f1) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_fg_color_w)
+ AM_RANGE(0xe0f8, 0xe0f9) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_position_w)
+ AM_RANGE(0xe0fa, 0xe0fa) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_color_w)
+ AM_RANGE(0xe0fb, 0xe0fb) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_enable_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( decrypted_opcodes_map, AS_DECRYPTED_OPCODES, 8, zaxxon_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM AM_SHARE("decrypted_opcodes")
+ADDRESS_MAP_END
+
+/* derived from Zaxxon, different sound hardware */
+static ADDRESS_MAP_START( ixion_map, AS_PROGRAM, 8, zaxxon_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x6000, 0x6fff) AM_RAM
+ AM_RANGE(0x8000, 0x83ff) AM_MIRROR(0x1c00) AM_RAM_WRITE(zaxxon_videoram_w) AM_SHARE("videoram")
+ AM_RANGE(0xa000, 0xa0ff) AM_MIRROR(0x1f00) AM_RAM AM_SHARE("spriteram")
+ AM_RANGE(0xc000, 0xc000) AM_MIRROR(0x18fc) AM_READ_PORT("SW00")
+ AM_RANGE(0xc001, 0xc001) AM_MIRROR(0x18fc) AM_READ_PORT("SW01")
+ AM_RANGE(0xc002, 0xc002) AM_MIRROR(0x18fc) AM_READ_PORT("DSW02")
+ AM_RANGE(0xc003, 0xc003) AM_MIRROR(0x18fc) AM_READ_PORT("DSW03")
+ AM_RANGE(0xc100, 0xc100) AM_MIRROR(0x18ff) AM_READ_PORT("SW100")
+ AM_RANGE(0xc000, 0xc002) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_coin_enable_w)
+ AM_RANGE(0xc003, 0xc004) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_coin_counter_w)
+ AM_RANGE(0xc006, 0xc006) AM_MIRROR(0x18f8) AM_WRITE(zaxxon_flipscreen_w)
+ AM_RANGE(0xe03c, 0xe03c) AM_MIRROR(0x1f00) AM_DEVREADWRITE("usbsnd", usb_sound_device, status_r, data_w)
+ AM_RANGE(0xe0f0, 0xe0f0) AM_MIRROR(0x1f00) AM_WRITE(int_enable_w)
+ AM_RANGE(0xe0f1, 0xe0f1) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_fg_color_w)
+ AM_RANGE(0xe0f8, 0xe0f9) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_position_w)
+ AM_RANGE(0xe0fa, 0xe0fa) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_color_w)
+ AM_RANGE(0xe0fb, 0xe0fb) AM_MIRROR(0x1f00) AM_WRITE(zaxxon_bg_enable_w)
+ADDRESS_MAP_END
+
+
+/* complete memory map derived from schematics */
+static ADDRESS_MAP_START( congo_map, AS_PROGRAM, 8, zaxxon_state )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0x8fff) AM_RAM
+ AM_RANGE(0xa000, 0xa3ff) AM_MIRROR(0x1800) AM_RAM_WRITE(zaxxon_videoram_w) AM_SHARE("videoram")
+ AM_RANGE(0xa400, 0xa7ff) AM_MIRROR(0x1800) AM_RAM_WRITE(congo_colorram_w) AM_SHARE("colorram")
+ AM_RANGE(0xc000, 0xc000) AM_MIRROR(0x1fc4) AM_READ_PORT("SW00")
+ AM_RANGE(0xc001, 0xc001) AM_MIRROR(0x1fc4) AM_READ_PORT("SW01")
+ AM_RANGE(0xc002, 0xc002) AM_MIRROR(0x1fc4) AM_READ_PORT("DSW02")
+ AM_RANGE(0xc003, 0xc003) AM_MIRROR(0x1fc4) AM_READ_PORT("DSW03")
+ AM_RANGE(0xc008, 0xc008) AM_MIRROR(0x1fc7) AM_READ_PORT("SW100")
+ AM_RANGE(0xc018, 0xc01a) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_coin_enable_w)
+ AM_RANGE(0xc01b, 0xc01c) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_coin_counter_w)
+ AM_RANGE(0xc01d, 0xc01d) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_bg_enable_w)
+ AM_RANGE(0xc01e, 0xc01e) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_flipscreen_w)
+ AM_RANGE(0xc01f, 0xc01f) AM_MIRROR(0x1fc0) AM_WRITE(int_enable_w)
+ AM_RANGE(0xc021, 0xc021) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_fg_color_w)
+ AM_RANGE(0xc023, 0xc023) AM_MIRROR(0x1fc0) AM_WRITE(zaxxon_bg_color_w)
+ AM_RANGE(0xc026, 0xc026) AM_MIRROR(0x1fc0) AM_WRITE(congo_fg_bank_w)
+ AM_RANGE(0xc027, 0xc027) AM_MIRROR(0x1fc0) AM_WRITE(congo_color_bank_w)
+ AM_RANGE(0xc028, 0xc029) AM_MIRROR(0x1fc4) AM_WRITE(zaxxon_bg_position_w)
+ AM_RANGE(0xc030, 0xc033) AM_MIRROR(0x1fc4) AM_WRITE(congo_sprite_custom_w)
+ AM_RANGE(0xc038, 0xc03f) AM_MIRROR(0x1fc0) AM_WRITE(soundlatch_byte_w)
+ADDRESS_MAP_END
+
+
+/* complete memory map derived from schematics */
+static ADDRESS_MAP_START( congo_sound_map, AS_PROGRAM, 8, zaxxon_state )
+ AM_RANGE(0x0000, 0x1fff) AM_ROM
+ AM_RANGE(0x4000, 0x47ff) AM_MIRROR(0x1800) AM_RAM
+ AM_RANGE(0x6000, 0x6000) AM_MIRROR(0x1fff) AM_DEVWRITE("sn1", sn76489a_device, write)
+ AM_RANGE(0x8000, 0x8003) AM_MIRROR(0x1ffc) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
+ AM_RANGE(0xa000, 0xa000) AM_MIRROR(0x1fff) AM_DEVWRITE("sn2", sn76489a_device, write)
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( zaxxon )
+ PORT_START("SW00")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+ PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("SW01")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
+ PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("SW100")
+ PORT_BIT( 0x03, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)0)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)1)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)2)
+
+ PORT_START("COIN")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)0)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)1)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)2)
+
+ PORT_START("SERVICESW")
+ PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_HIGH ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,service_switch, 0)
+
+ PORT_START("DSW02")
+ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:!1,!2")
+ PORT_DIPSETTING( 0x03, "10000" )
+ PORT_DIPSETTING( 0x01, "20000" )
+ PORT_DIPSETTING( 0x02, "30000" )
+ PORT_DIPSETTING( 0x00, "40000" )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW1:!3")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW1:!4")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( On ) )
+ PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:!5,!6")
+ PORT_DIPSETTING( 0x30, "3" )
+ PORT_DIPSETTING( 0x10, "4" )
+ PORT_DIPSETTING( 0x20, "5" )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0x40, 0x40, "Sound" ) PORT_DIPLOCATION("SW1:!7")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:!8")
+ PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) )
+
+ PORT_START("DSW03")
+ PORT_DIPNAME( 0x0f, 0x03, DEF_STR ( Coin_B ) ) PORT_DIPLOCATION("SW2:!1,!2,!3,!4")
+ PORT_DIPSETTING( 0x0f, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x06, "2C/1C 5C/3C 6C/4C" )
+ PORT_DIPSETTING( 0x0a, "2C/1C 3C/2C 4C/3C" )
+ PORT_DIPSETTING( 0x03, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x02, "1C/1C 5C/6C" )
+ PORT_DIPSETTING( 0x0c, "1C/1C 4C/5C" )
+ PORT_DIPSETTING( 0x04, "1C/1C 2C/3C" )
+ PORT_DIPSETTING( 0x0d, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x08, "1C/2C 5C/11C" )
+ PORT_DIPSETTING( 0x00, "1C/2C 4C/9C" )
+ PORT_DIPSETTING( 0x05, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR ( 1C_5C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR ( 1C_6C ) )
+ PORT_DIPNAME( 0xf0, 0x30, DEF_STR ( Coin_A ) ) PORT_DIPLOCATION("SW2:!5,!6,!7,!8")
+ PORT_DIPSETTING( 0xf0, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x60, "2C/1C 5C/3C 6C/4C" )
+ PORT_DIPSETTING( 0xa0, "2C/1C 3C/2C 4C/3C" )
+ PORT_DIPSETTING( 0x30, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x20, "1C/1C 5C/6C" )
+ PORT_DIPSETTING( 0xc0, "1C/1C 4C/5C" )
+ PORT_DIPSETTING( 0x40, "1C/1C 2C/3C" )
+ PORT_DIPSETTING( 0xd0, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x80, "1C/2C 5C/11C" )
+ PORT_DIPSETTING( 0x00, "1C/2C 4C/9C" )
+ PORT_DIPSETTING( 0x50, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR ( 1C_5C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR ( 1C_6C ) )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( szaxxon )
+ PORT_INCLUDE(zaxxon)
+
+ PORT_MODIFY("DSW02")
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hard ) )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( futspy )
+ PORT_INCLUDE(zaxxon)
+
+ PORT_MODIFY("SW00")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 )
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_MODIFY("SW01")
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_MODIFY("DSW02")
+ PORT_DIPNAME( 0x0f, 0x00, DEF_STR ( Coin_A ) ) PORT_DIPLOCATION("SW1:1,2,3,4")
+ PORT_DIPSETTING( 0x08, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x0a, "2C/1C 5C/3C 6C/4C" )
+ PORT_DIPSETTING( 0x0b, "2C/1C 4C/3C" )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x0e, "1C/1C 2C/3C" )
+ PORT_DIPSETTING( 0x0d, "1C/1C 4C/5C" )
+ PORT_DIPSETTING( 0x0c, "1C/1C 5C/6C" )
+ PORT_DIPSETTING( 0x09, DEF_STR ( 2C_3C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x0f, "1C/2C 5C/11C" )
+ PORT_DIPSETTING( 0x02, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR ( 1C_5C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR ( 1C_6C ) )
+ PORT_DIPNAME( 0xf0, 0x00, DEF_STR ( Coin_B ) ) PORT_DIPLOCATION("SW1:5,6,7,8")
+ PORT_DIPSETTING( 0x80, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x70, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0xa0, "2C/1C 5C/3C 6C/4C" )
+ PORT_DIPSETTING( 0xb0, "2C/1C 4C/3C" )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0xe0, "1C/1C 2C/3C" )
+ PORT_DIPSETTING( 0xd0, "1C/1C 4C/5C" )
+ PORT_DIPSETTING( 0xc0, "1C/1C 5C/6C" )
+ PORT_DIPSETTING( 0x90, DEF_STR ( 2C_3C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0xf0, "1C/2C 5C/11C" )
+ PORT_DIPSETTING( 0x20, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x40, DEF_STR ( 1C_5C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR ( 1C_6C ) )
+
+ PORT_MODIFY("DSW03")
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:1")
+ PORT_DIPSETTING( 0x01, DEF_STR( Upright ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:2")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( On ) )
+ PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:3,4")
+ PORT_DIPSETTING( 0x00, "3" )
+ PORT_DIPSETTING( 0x04, "4" )
+ PORT_DIPSETTING( 0x08, "5" )
+ PORT_DIPSETTING( 0x0c, DEF_STR( Free_Play ) )
+ PORT_DIPNAME( 0x30, 0x00, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:5,6")
+ PORT_DIPSETTING( 0x00, "20K 40K 60K" )
+ PORT_DIPSETTING( 0x10, "30K 60K 90K" )
+ PORT_DIPSETTING( 0x20, "40K 70K 100K" )
+ PORT_DIPSETTING( 0x30, "40K 80K 120K" )
+ PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:7,8")
+ PORT_DIPSETTING( 0x00, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Medium ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( Hardest ) )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( razmataz )
+ PORT_START("SW00")
+ PORT_BIT( 0xff, 0x00, IPT_SPECIAL) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,razmataz_dial_r, (void *)0)
+
+ PORT_START("DIAL.0")
+ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(30) PORT_KEYDELTA(15) PORT_RESET PORT_PLAYER(1)
+
+ PORT_START("SW01")
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("SW04")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT( 0x1e, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("SW08")
+ PORT_BIT( 0xff, 0x00, IPT_SPECIAL) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,razmataz_dial_r, (void *)1)
+
+ PORT_START("DIAL.1")
+ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(30) PORT_KEYDELTA(15) PORT_RESET PORT_PLAYER(2)
+
+ PORT_START("SW0C")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
+ PORT_BIT( 0x1e, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("SW100")
+ PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)0)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)1)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_r, (void *)2)
+
+ PORT_START("COIN")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)0)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)1)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,zaxxon_coin_inserted, (void *)2)
+
+ PORT_START("SERVICESW")
+ PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_HIGH ) PORT_CHANGED_MEMBER(DEVICE_SELF, zaxxon_state,service_switch, 0)
+
+ PORT_START("DSW02")
+ PORT_DIPNAME( 0x03, 0x00, DEF_STR( Bonus_Life ) )
+ PORT_DIPSETTING( 0x00, "50000" )
+ PORT_DIPSETTING( 0x01, "100000" )
+ PORT_DIPSETTING( 0x02, "150000" )
+ PORT_DIPSETTING( 0x03, "200000" )
+ PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( Very_Hard ) )
+ PORT_DIPNAME( 0x30, 0x00, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x00, "3" )
+ PORT_DIPSETTING( 0x10, "4" )
+ PORT_DIPSETTING( 0x20, "5" )
+ PORT_DIPSETTING( 0x30, "6" )
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("DSW03")
+ PORT_DIPNAME( 0x07, 0x03, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR ( 1C_5C ) )
+ PORT_DIPNAME( 0x38, 0x18, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x38, DEF_STR ( 1C_5C ) )
+ PORT_DIPNAME( 0x40, 0x40, "Test Flip Screen" )
+ PORT_DIPSETTING( 0x00, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Yes ) )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( ixion )
+ PORT_INCLUDE(zaxxon)
+
+ PORT_MODIFY("SW00")
+ PORT_BIT( 0xff, 0x00, IPT_SPECIAL) PORT_CUSTOM_MEMBER(DEVICE_SELF, zaxxon_state,razmataz_dial_r, (void *)0)
+
+ PORT_START("DIAL.0")
+ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(30) PORT_KEYDELTA(15) PORT_CODE_DEC(KEYCODE_Z) PORT_CODE_INC(KEYCODE_X) PORT_RESET
+
+ PORT_MODIFY("SW01")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+ PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_MODIFY("DSW02")
+ PORT_DIPNAME( 0x03, 0x00, DEF_STR( Bonus_Life ) )
+ PORT_DIPSETTING( 0x00, "40000" )
+ PORT_DIPSETTING( 0x01, "60000" )
+ PORT_DIPSETTING( 0x02, "80000" )
+ PORT_DIPSETTING( 0x03, "100000" )
+ PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Lives ) )
+ PORT_DIPSETTING( 0x00, "2" )
+ PORT_DIPSETTING( 0x04, "3" )
+ PORT_DIPSETTING( 0x08, "4" )
+ PORT_DIPSETTING( 0x0c, "5" )
+ PORT_DIPNAME( 0x70, 0x30, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Easiest ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Easier ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Medium ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( Harder ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( Hardest ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+
+ PORT_MODIFY("DSW03")
+ PORT_DIPNAME( 0x07, 0x03, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x07, DEF_STR ( 1C_5C ) )
+ PORT_DIPNAME( 0x38, 0x18, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x00, DEF_STR ( 4C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR ( 3C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR ( 2C_1C ) )
+ PORT_DIPSETTING( 0x18, DEF_STR ( 1C_1C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR ( 1C_2C ) )
+ PORT_DIPSETTING( 0x28, DEF_STR ( 1C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR ( 1C_4C ) )
+ PORT_DIPSETTING( 0x38, DEF_STR ( 1C_5C ) )
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( congo )
+ PORT_INCLUDE(zaxxon)
+
+ PORT_MODIFY("SW00")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_DIPNAME( 0x20, 0x00, "Test Back and Target" )
+ PORT_DIPSETTING( 0x20, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_MODIFY("SW01")
+ PORT_DIPNAME( 0x20, 0x00, "Test I/O and Dip SW" )
+ PORT_DIPSETTING( 0x20, DEF_STR( No ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
+ PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_MODIFY("DSW02")
+ PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:!3,!4")
+ PORT_DIPSETTING( 0x0c, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Medium ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+INPUT_PORTS_END
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static const gfx_layout zaxxon_spritelayout =
+{
+ 32,32,
+ RGN_FRAC(1,3),
+ 3,
+ { RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) },
+ { 0, 1, 2, 3, 4, 5, 6, 7,
+ 8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7,
+ 16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7,
+ 24*8+0, 24*8+1, 24*8+2, 24*8+3, 24*8+4, 24*8+5, 24*8+6, 24*8+7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
+ 32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8,
+ 64*8, 65*8, 66*8, 67*8, 68*8, 69*8, 70*8, 71*8,
+ 96*8, 97*8, 98*8, 99*8, 100*8, 101*8, 102*8, 103*8 },
+ 128*8
+};
+
+
+static GFXDECODE_START( zaxxon )
+ GFXDECODE_ENTRY( "gfx_tx", 0, gfx_8x8x2_planar, 0, 64*2 ) /* characters */
+ GFXDECODE_ENTRY( "gfx_bg", 0, gfx_8x8x3_planar, 0, 32*2 ) /* background tiles */
+ GFXDECODE_ENTRY( "gfx_spr", 0, zaxxon_spritelayout, 0, 32*2 ) /* sprites */
+GFXDECODE_END
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_CONFIG_START( root, zaxxon_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, MASTER_CLOCK/16)
+ MCFG_CPU_PROGRAM_MAP(zaxxon_map)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", zaxxon_state, vblank_int)
+
+ MCFG_DEVICE_ADD("ppi8255", I8255A, 0)
+ MCFG_I8255_OUT_PORTA_CB(WRITE8(zaxxon_state, zaxxon_sound_a_w))
+ MCFG_I8255_OUT_PORTB_CB(WRITE8(zaxxon_state, zaxxon_sound_b_w))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(zaxxon_state, zaxxon_sound_c_w))
+
+ /* video hardware */
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", zaxxon)
+ MCFG_PALETTE_ADD("palette", 256)
+ MCFG_PALETTE_INIT_OWNER(zaxxon_state, zaxxon)
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
+ MCFG_SCREEN_UPDATE_DRIVER(zaxxon_state, screen_update_zaxxon)
+ MCFG_SCREEN_PALETTE("palette")
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( zaxxon, root )
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_FRAGMENT_ADD(zaxxon_samples)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( szaxxon, zaxxon )
+
+ /* encryption */
+ MCFG_DEVICE_MODIFY("maincpu")
+ MCFG_CPU_DECRYPTED_OPCODES_MAP(decrypted_opcodes_map)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( futspy, root )
+
+ /* encryption */
+ MCFG_DEVICE_MODIFY("maincpu")
+ MCFG_CPU_DECRYPTED_OPCODES_MAP(decrypted_opcodes_map)
+
+ /* video hardware */
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_UPDATE_DRIVER(zaxxon_state, screen_update_futspy)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_FRAGMENT_ADD(zaxxon_samples)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( razmataz, root )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(ixion_map)
+ MCFG_CPU_DECRYPTED_OPCODES_MAP(decrypted_opcodes_map)
+
+ MCFG_DEVICE_REMOVE("ppi8255")
+
+ /* video hardware */
+ MCFG_VIDEO_START_OVERRIDE(zaxxon_state,razmataz)
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_UPDATE_DRIVER(zaxxon_state, screen_update_razmataz)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SEGAUSBROM_ADD("usbsnd")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( congo, root )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(congo_map)
+
+ MCFG_DEVICE_REMOVE("ppi8255")
+ MCFG_DEVICE_ADD("ppi8255", I8255A, 0)
+ MCFG_I8255_IN_PORTA_CB(READ8(driver_device, soundlatch_byte_r))
+ MCFG_I8255_OUT_PORTB_CB(WRITE8(zaxxon_state, congo_sound_b_w))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(zaxxon_state, congo_sound_c_w))
+
+ MCFG_CPU_ADD("audiocpu", Z80, SOUND_CLOCK)
+ MCFG_CPU_PROGRAM_MAP(congo_sound_map)
+ MCFG_CPU_PERIODIC_INT_DRIVER(zaxxon_state, irq0_line_hold, (double)SOUND_CLOCK/16/16/16/4)
+
+ /* video hardware */
+ MCFG_PALETTE_MODIFY("palette")
+ MCFG_PALETTE_ENTRIES(512)
+ MCFG_PALETTE_INIT_OWNER(zaxxon_state, zaxxon)
+
+ MCFG_VIDEO_START_OVERRIDE(zaxxon_state,congo)
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_UPDATE_DRIVER(zaxxon_state, screen_update_congo)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("sn1", SN76489A, SOUND_CLOCK) // schematic shows sn76489A
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ MCFG_SOUND_ADD("sn2", SN76489A, SOUND_CLOCK/4) // schematic shows sn76489A
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ MCFG_FRAGMENT_ADD(congo_samples)
+MACHINE_CONFIG_END
+
+
+
+/*************************************
+ *
+ * ROM definitions
+ *
+ *************************************/
+
+ROM_START( zaxxon )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "zaxxon3.u27", 0x0000, 0x2000, CRC(6e2b4a30) SHA1(80ac53c554c84226b119cbe3cf3470bcdbcd5762) )
+ ROM_LOAD( "zaxxon2.u28", 0x2000, 0x2000, CRC(1c9ea398) SHA1(0cd259be3fa80f3d53dfa76d5ca06773cdfe5945) )
+ ROM_LOAD( "zaxxon1.u29", 0x4000, 0x1000, CRC(1c123ef9) SHA1(2588be06ea7baca6112d58c78a1eeb98aad8a02e) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "zaxxon14.u68", 0x0000, 0x0800, CRC(07bf8c52) SHA1(425157a1625b1bd5169c3218b958010bf6af12bb) )
+ ROM_LOAD( "zaxxon15.u69", 0x0800, 0x0800, CRC(c215edcb) SHA1(f1ded2173eb139f48d2ca86c5ef00acbe6c11cd3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "zaxxon6.u113", 0x0000, 0x2000, CRC(6e07bb68) SHA1(a002f3441b0f0044615ce71ecbd14edadba16270) )
+ ROM_LOAD( "zaxxon5.u112", 0x2000, 0x2000, CRC(0a5bce6a) SHA1(a86543727389931244ba8a576b543d7ac05a2585) )
+ ROM_LOAD( "zaxxon4.u111", 0x4000, 0x2000, CRC(a5bf1465) SHA1(a8cd27dfb4a606bae8bfddcf936e69e980fb1977) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "zaxxon11.u77", 0x0000, 0x2000, CRC(eaf0dd4b) SHA1(194e2ca0a806e0cb6bb7cc8341d1fc6f2ea911f6) )
+ ROM_LOAD( "zaxxon12.u78", 0x2000, 0x2000, CRC(1c5369c7) SHA1(af6a5984c3cedfa8c9efcd669f4f205b51a433b2) )
+ ROM_LOAD( "zaxxon13.u79", 0x4000, 0x2000, CRC(ab4e8a9a) SHA1(4ac79cccc30e4adfa878b36101e97e20ac010438) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "zaxxon8.u91", 0x0000, 0x2000, CRC(28d65063) SHA1(e1f90716236c61df61bdc6915a8e390cb4dcbf15) )
+ ROM_LOAD( "zaxxon7.u90", 0x2000, 0x2000, CRC(6284c200) SHA1(d26a9049541479b8b19f5aa0690cf4aaa787c9b5) )
+ ROM_LOAD( "zaxxon10.u93", 0x4000, 0x2000, CRC(a95e61fd) SHA1(a0f8c15ff75affa3532abf8f340811cf415421fd) )
+ ROM_LOAD( "zaxxon9.u92", 0x6000, 0x2000, CRC(7e42691f) SHA1(2124363be8f590b74e2b15dd3f90d77dd9ca9528) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "zaxxon.u98", 0x0000, 0x0100, CRC(6cc6695b) SHA1(01ae8450ccc302e1a5ae74230d44f6f531a962e2) )
+ ROM_LOAD( "zaxxon.u72", 0x0100, 0x0100, CRC(deaa21f7) SHA1(0cf08fb62f77d93ff7cb883c633e0db35906e11d) )
+ROM_END
+
+ROM_START( zaxxon2 )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "zaxxon3a.u27", 0x0000, 0x2000, CRC(b18e428a) SHA1(d3ff077e37a3ed8a9cc32cba19e1694b79df6b30) )
+ ROM_LOAD( "zaxxon2.u28", 0x2000, 0x2000, CRC(1c9ea398) SHA1(0cd259be3fa80f3d53dfa76d5ca06773cdfe5945) )
+ ROM_LOAD( "zaxxon1a.u29", 0x4000, 0x1000, CRC(1977d933) SHA1(b0100a51a85928b8df3b07b27c9e7e4f929d7893) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "zaxxon14.u68", 0x0000, 0x0800, CRC(07bf8c52) SHA1(425157a1625b1bd5169c3218b958010bf6af12bb) )
+ ROM_LOAD( "zaxxon15.u69", 0x0800, 0x0800, CRC(c215edcb) SHA1(f1ded2173eb139f48d2ca86c5ef00acbe6c11cd3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "zaxxon6.u113", 0x0000, 0x2000, CRC(6e07bb68) SHA1(a002f3441b0f0044615ce71ecbd14edadba16270) )
+ ROM_LOAD( "zaxxon5.u112", 0x2000, 0x2000, CRC(0a5bce6a) SHA1(a86543727389931244ba8a576b543d7ac05a2585) )
+ ROM_LOAD( "zaxxon4.u111", 0x4000, 0x2000, CRC(a5bf1465) SHA1(a8cd27dfb4a606bae8bfddcf936e69e980fb1977) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "zaxxon11.u77", 0x0000, 0x2000, CRC(eaf0dd4b) SHA1(194e2ca0a806e0cb6bb7cc8341d1fc6f2ea911f6) )
+ ROM_LOAD( "zaxxon12.u78", 0x2000, 0x2000, CRC(1c5369c7) SHA1(af6a5984c3cedfa8c9efcd669f4f205b51a433b2) )
+ ROM_LOAD( "zaxxon13.u79", 0x4000, 0x2000, CRC(ab4e8a9a) SHA1(4ac79cccc30e4adfa878b36101e97e20ac010438) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "zaxxon8.u91", 0x0000, 0x2000, CRC(28d65063) SHA1(e1f90716236c61df61bdc6915a8e390cb4dcbf15) )
+ ROM_LOAD( "zaxxon7.u90", 0x2000, 0x2000, CRC(6284c200) SHA1(d26a9049541479b8b19f5aa0690cf4aaa787c9b5) )
+ ROM_LOAD( "zaxxon10.u93", 0x4000, 0x2000, CRC(a95e61fd) SHA1(a0f8c15ff75affa3532abf8f340811cf415421fd) )
+ ROM_LOAD( "zaxxon9.u92", 0x6000, 0x2000, CRC(7e42691f) SHA1(2124363be8f590b74e2b15dd3f90d77dd9ca9528) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "zaxxon.u98", 0x0000, 0x0100, CRC(6cc6695b) SHA1(01ae8450ccc302e1a5ae74230d44f6f531a962e2) )
+ ROM_LOAD( "j214a2.72", 0x0100, 0x0100, CRC(a9e1fb43) SHA1(57dbcfe2438fd090c08594818549aeea6339eab2) )
+ROM_END
+
+ROM_START( zaxxon3 )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "zaxxon3_alt.u27", 0x0000, 0x2000, CRC(2f2f2b7c) SHA1(009b6f8943b35bf933c56e9538377be3e1db6a6d) )
+ ROM_LOAD( "zaxxon2_alt.u28", 0x2000, 0x2000, CRC(ae7e1c38) SHA1(896f920e04c182eced3a3714b45a1d96e45b4473) )
+ ROM_LOAD( "zaxxon1_alt.u29", 0x4000, 0x1000, CRC(cc67c097) SHA1(d258b2900a173b0f3f8acd94b6b636ce3324616d) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "zaxxon14.u68", 0x0000, 0x0800, CRC(07bf8c52) SHA1(425157a1625b1bd5169c3218b958010bf6af12bb) )
+ ROM_LOAD( "zaxxon15.u69", 0x0800, 0x0800, CRC(c215edcb) SHA1(f1ded2173eb139f48d2ca86c5ef00acbe6c11cd3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "zaxxon6.u113", 0x0000, 0x2000, CRC(6e07bb68) SHA1(a002f3441b0f0044615ce71ecbd14edadba16270) )
+ ROM_LOAD( "zaxxon5.u112", 0x2000, 0x2000, CRC(0a5bce6a) SHA1(a86543727389931244ba8a576b543d7ac05a2585) )
+ ROM_LOAD( "zaxxon4.u111", 0x4000, 0x2000, CRC(a5bf1465) SHA1(a8cd27dfb4a606bae8bfddcf936e69e980fb1977) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "zaxxon11.u77", 0x0000, 0x2000, CRC(eaf0dd4b) SHA1(194e2ca0a806e0cb6bb7cc8341d1fc6f2ea911f6) )
+ ROM_LOAD( "zaxxon12.u78", 0x2000, 0x2000, CRC(1c5369c7) SHA1(af6a5984c3cedfa8c9efcd669f4f205b51a433b2) )
+ ROM_LOAD( "zaxxon13.u79", 0x4000, 0x2000, CRC(ab4e8a9a) SHA1(4ac79cccc30e4adfa878b36101e97e20ac010438) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "zaxxon8.u91", 0x0000, 0x2000, CRC(28d65063) SHA1(e1f90716236c61df61bdc6915a8e390cb4dcbf15) )
+ ROM_LOAD( "zaxxon7.u90", 0x2000, 0x2000, CRC(6284c200) SHA1(d26a9049541479b8b19f5aa0690cf4aaa787c9b5) )
+ ROM_LOAD( "zaxxon10.u93", 0x4000, 0x2000, CRC(a95e61fd) SHA1(a0f8c15ff75affa3532abf8f340811cf415421fd) )
+ ROM_LOAD( "zaxxon9.u92", 0x6000, 0x2000, CRC(7e42691f) SHA1(2124363be8f590b74e2b15dd3f90d77dd9ca9528) )
+ //ROM_LOAD( "zaxxon9_alt.u92", 0x6000, 0x2000, CRC(aef163fb) SHA1(b9e88b3a467926fac3931b891fb01b9b4add3809) ) // was in this set, but seems to have bad bits
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "zaxxon.u98", 0x0000, 0x0100, CRC(6cc6695b) SHA1(01ae8450ccc302e1a5ae74230d44f6f531a962e2) )
+ ROM_LOAD( "j214a2.72", 0x0100, 0x0100, CRC(a9e1fb43) SHA1(57dbcfe2438fd090c08594818549aeea6339eab2) )
+ROM_END
+
+ROM_START( zaxxonj )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "zaxxon_rom3.u13", 0x0000, 0x2000, CRC(925168c7) SHA1(0f14b5072b5be252955ffb3a30fa6c76b3e6a6c4) )
+ ROM_LOAD( "zaxxon_rom2.u12", 0x2000, 0x2000, CRC(c088df92) SHA1(c0c6cd8dcf6db65129980331fa9ecc3800b63436) )
+ ROM_LOAD( "zaxxon_rom1.u11", 0x4000, 0x1000, CRC(f832dd79) SHA1(1d626f22630eaa53603637991a06aeb7401e9769) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "zaxxon_rom14.u54", 0x0000, 0x0800, CRC(07bf8c52) SHA1(425157a1625b1bd5169c3218b958010bf6af12bb) )
+ ROM_LOAD( "zaxxon_rom15.u55", 0x0800, 0x0800, CRC(c215edcb) SHA1(f1ded2173eb139f48d2ca86c5ef00acbe6c11cd3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "zaxxon_rom6.u70", 0x0000, 0x2000, CRC(6e07bb68) SHA1(a002f3441b0f0044615ce71ecbd14edadba16270) )
+ ROM_LOAD( "zaxxon_rom5.u69", 0x2000, 0x2000, CRC(0a5bce6a) SHA1(a86543727389931244ba8a576b543d7ac05a2585) )
+ ROM_LOAD( "zaxxon_rom4.u68", 0x4000, 0x2000, CRC(a5bf1465) SHA1(a8cd27dfb4a606bae8bfddcf936e69e980fb1977) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "zaxxon_rom11.u59", 0x0000, 0x2000, CRC(eaf0dd4b) SHA1(194e2ca0a806e0cb6bb7cc8341d1fc6f2ea911f6) )
+ ROM_LOAD( "zaxxon_rom12.u60", 0x2000, 0x2000, CRC(1c5369c7) SHA1(af6a5984c3cedfa8c9efcd669f4f205b51a433b2) )
+ ROM_LOAD( "zaxxon_rom13.u61", 0x4000, 0x2000, CRC(ab4e8a9a) SHA1(4ac79cccc30e4adfa878b36101e97e20ac010438) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "zaxxon_rom8.u58", 0x0000, 0x2000, CRC(28d65063) SHA1(e1f90716236c61df61bdc6915a8e390cb4dcbf15) )
+ ROM_LOAD( "zaxxon_rom7.u57", 0x2000, 0x2000, CRC(6284c200) SHA1(d26a9049541479b8b19f5aa0690cf4aaa787c9b5) )
+ ROM_LOAD( "zaxxon_rom10.u60", 0x4000, 0x2000, CRC(a95e61fd) SHA1(a0f8c15ff75affa3532abf8f340811cf415421fd) )
+ ROM_LOAD( "zaxxon_rom9.u59", 0x6000, 0x2000, CRC(7e42691f) SHA1(2124363be8f590b74e2b15dd3f90d77dd9ca9528) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "mro_16.u76", 0x0000, 0x0100, CRC(6cc6695b) SHA1(01ae8450ccc302e1a5ae74230d44f6f531a962e2) )
+ ROM_LOAD( "mro_17.u41", 0x0100, 0x0100, CRC(a9e1fb43) SHA1(57dbcfe2438fd090c08594818549aeea6339eab2) )
+ROM_END
+
+ROM_START( zaxxonb )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "zaxxonb3.u27", 0x0000, 0x2000, CRC(125bca1c) SHA1(f4160966d42e5282736cde8a276204ba8910ca61) )
+ ROM_LOAD( "zaxxonb2.u28", 0x2000, 0x2000, CRC(c088df92) SHA1(c0c6cd8dcf6db65129980331fa9ecc3800b63436) )
+ ROM_LOAD( "zaxxonb1.u29", 0x4000, 0x1000, CRC(e7bdc417) SHA1(209f0d259f60b984c84229bb31af1ef939adc73e) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "zaxxon14.u68", 0x0000, 0x0800, CRC(07bf8c52) SHA1(425157a1625b1bd5169c3218b958010bf6af12bb) )
+ ROM_LOAD( "zaxxon15.u69", 0x0800, 0x0800, CRC(c215edcb) SHA1(f1ded2173eb139f48d2ca86c5ef00acbe6c11cd3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "zaxxon6.u113", 0x0000, 0x2000, CRC(6e07bb68) SHA1(a002f3441b0f0044615ce71ecbd14edadba16270) )
+ ROM_LOAD( "zaxxon5.u112", 0x2000, 0x2000, CRC(0a5bce6a) SHA1(a86543727389931244ba8a576b543d7ac05a2585) )
+ ROM_LOAD( "zaxxon4.u111", 0x4000, 0x2000, CRC(a5bf1465) SHA1(a8cd27dfb4a606bae8bfddcf936e69e980fb1977) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "zaxxon11.u77", 0x0000, 0x2000, CRC(eaf0dd4b) SHA1(194e2ca0a806e0cb6bb7cc8341d1fc6f2ea911f6) )
+ ROM_LOAD( "zaxxon12.u78", 0x2000, 0x2000, CRC(1c5369c7) SHA1(af6a5984c3cedfa8c9efcd669f4f205b51a433b2) )
+ ROM_LOAD( "zaxxon13.u79", 0x4000, 0x2000, CRC(ab4e8a9a) SHA1(4ac79cccc30e4adfa878b36101e97e20ac010438) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "zaxxon8.u91", 0x0000, 0x2000, CRC(28d65063) SHA1(e1f90716236c61df61bdc6915a8e390cb4dcbf15) )
+ ROM_LOAD( "zaxxon7.u90", 0x2000, 0x2000, CRC(6284c200) SHA1(d26a9049541479b8b19f5aa0690cf4aaa787c9b5) )
+ ROM_LOAD( "zaxxon10.u93", 0x4000, 0x2000, CRC(a95e61fd) SHA1(a0f8c15ff75affa3532abf8f340811cf415421fd) )
+ ROM_LOAD( "zaxxon9.u92", 0x6000, 0x2000, CRC(7e42691f) SHA1(2124363be8f590b74e2b15dd3f90d77dd9ca9528) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "zaxxon.u98", 0x0000, 0x0100, CRC(6cc6695b) SHA1(01ae8450ccc302e1a5ae74230d44f6f531a962e2) )
+ ROM_LOAD( "zaxxon.u72", 0x0100, 0x0100, CRC(deaa21f7) SHA1(0cf08fb62f77d93ff7cb883c633e0db35906e11d) )
+ROM_END
+
+
+ROM_START( szaxxon )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "1804e.u27", 0x0000, 0x2000, CRC(af7221da) SHA1(b5d3beb296d52ed69b4ceacf329c20a72e3a1dce) )
+ ROM_LOAD( "1803e.u28", 0x2000, 0x2000, CRC(1b90fb2a) SHA1(afb2bd2ffee3f5e589064f59b6ac21ed915094df) )
+ ROM_LOAD( "1802e.u29", 0x4000, 0x1000, CRC(07258b4a) SHA1(91e3a0c0df6c9cf66980d1ffcc3830ffdbef8c2f) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "1815b.u68", 0x0000, 0x0800, CRC(bccf560c) SHA1(9f92bd15466048a5665bfc2ebc8c6504af9353eb) )
+ ROM_LOAD( "1816b.u69", 0x0800, 0x0800, CRC(d28c628b) SHA1(42ab7dc0e4e0d09213054597373383cdb6a55699) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "1807b.u113", 0x0000, 0x2000, CRC(f51af375) SHA1(8682217dc800f43b73cd5e8501dbf3b7cd136dc1) )
+ ROM_LOAD( "1806b.u112", 0x2000, 0x2000, CRC(a7de021d) SHA1(a1bee07aa906366aa69866d1bdff38e2d90fafdd) )
+ ROM_LOAD( "1805b.u111", 0x4000, 0x2000, CRC(5bfb3b04) SHA1(f898e42d6bc1fd3629c9caee3c2af27805969ac6) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "1812e.u77", 0x0000, 0x2000, CRC(1503ae41) SHA1(d4085f15fcbfb9547a7f9e2cb7ce9276c4d6c08d) )
+ ROM_LOAD( "1813e.u78", 0x2000, 0x2000, CRC(3b53d83f) SHA1(118e9d2b4f5daf96f5a38ccd92d0b046a470b0b2) )
+ ROM_LOAD( "1814e.u79", 0x4000, 0x2000, CRC(581e8793) SHA1(2b3305dd55dc09d7394ed8ae691773972dba28b9) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "1809b.u91", 0x0000, 0x2000, CRC(dd1b52df) SHA1(8170dd9f81c41104694951a2c74405d0c6d8b9b6) )
+ ROM_LOAD( "1808b.u90", 0x2000, 0x2000, CRC(b5bc07f0) SHA1(1e4d460ce8cca66b081ee8ec1a9adb6ef98274ec) )
+ ROM_LOAD( "1811b.u93", 0x4000, 0x2000, CRC(68e84174) SHA1(b78c44d92078552835a20bcb7125fc9ca8af5048) )
+ ROM_LOAD( "1810b.u92", 0x6000, 0x2000, CRC(a509994b) SHA1(51541ec78ab3f8241a5ddf7f99a46f5e44292992) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "pr-5168.u98", 0x0000, 0x0100, CRC(15727a9f) SHA1(42840e9ab303fb64102a1dbae03d66c9cf743a9f) ) /* TBP24S10N */
+ ROM_LOAD( "pr-5167.u72", 0x0100, 0x0100, CRC(deaa21f7) SHA1(0cf08fb62f77d93ff7cb883c633e0db35906e11d) ) /* TBP28L22 */
+ROM_END
+
+
+ROM_START( futspy )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "fs_snd.u27", 0x0000, 0x2000, CRC(7578fe7f) SHA1(ab42bdf74b07c1ba5337c3d34647d3ee16f9db05) )
+ ROM_LOAD( "fs_snd.u28", 0x2000, 0x2000, CRC(8ade203c) SHA1(f095f4019befff7af4203c886ef42357f79592a1) )
+ ROM_LOAD( "fs_snd.u29", 0x4000, 0x1000, CRC(734299c3) SHA1(12acf71d9d00e0e0df29c4d8c397ad407266b364) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "fs_snd.u68", 0x0000, 0x0800, CRC(305fae2d) SHA1(fbe89feff0fb2d4515000d1b73b7c91aac4e0b67) )
+ ROM_LOAD( "fs_snd.u69", 0x0800, 0x0800, CRC(3c5658c0) SHA1(70ac44b9334b086cdecd73f5f7820a0bf8ae2629) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "fs_vid.u113", 0x0000, 0x2000, CRC(36d2bdf6) SHA1(c27835055beedf61ba644070f8920b6008d99040) )
+ ROM_LOAD( "fs_vid.u112", 0x2000, 0x2000, CRC(3740946a) SHA1(e7579dd91628a811a60a8d8a5b407728b74aa17e) )
+ ROM_LOAD( "fs_vid.u111", 0x4000, 0x2000, CRC(4cd4df98) SHA1(3ae4b2d0a79069e0de81596805bcf1a9ae7912cf) )
+
+ ROM_REGION( 0xc000, "gfx_spr", 0 )
+ ROM_LOAD( "fs_vid.u77", 0x0000, 0x4000, CRC(1b93c9ec) SHA1(4b1d3b7e35d65cc3b96eb4f2e98c59e779bcb1c1) )
+ ROM_LOAD( "fs_vid.u78", 0x4000, 0x4000, CRC(50e55262) SHA1(363acbde7b37a2358b3e53cfc08c9bd5dee73d55) )
+ ROM_LOAD( "fs_vid.u79", 0x8000, 0x4000, CRC(bfb02e3e) SHA1(f53bcec46b8c7d26e9ab01c821a8d1578b85f786) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "fs_vid.u91", 0x0000, 0x2000, CRC(86da01f4) SHA1(954e4be1b0e24c8bc88c2b328e3a0e32005bb7b2) )
+ ROM_LOAD( "fs_vid.u90", 0x2000, 0x2000, CRC(2bd41d2d) SHA1(efb74b4bce31c7868ab6438e07b02b0539d35120) )
+ ROM_LOAD( "fs_vid.u93", 0x4000, 0x2000, CRC(b82b4997) SHA1(263f74aab47fc4e516b2111eaa94beea61c5fbe5) )
+ ROM_LOAD( "fs_vid.u92", 0x6000, 0x2000, CRC(af4015af) SHA1(6ed01a42d395ada6f2442b68f901fe61b04c8e44) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "futrprom.u98", 0x0000, 0x0100, CRC(9ba2acaa) SHA1(20e0257ca531ddc398b3aab861c7b5c41b659d40) )
+ ROM_LOAD( "futrprom.u72", 0x0100, 0x0100, CRC(f9e26790) SHA1(339f27e0126312d35211b5ce533f293b58851c1d) )
+ROM_END
+
+
+ROM_START( razmataz )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "u27", 0x0000, 0x2000, CRC(254f350f) SHA1(f8e84778b7ffc4da76e97992f01c742c212480cf) )
+ ROM_LOAD( "u28", 0x2000, 0x2000, CRC(3a1eaa99) SHA1(d1f2a61a8548135c9754097aa468672616244710) )
+ ROM_LOAD( "u29", 0x4000, 0x2000, CRC(0ee67e78) SHA1(c6c703000a4e0da8af65be53b2a6b2ef67860c30) )
+
+ ROM_REGION( 0x1000, "usbcpu", 0 )
+ ROM_LOAD( "1924.u51", 0x0000, 0x0800, CRC(a75e0011) SHA1(7d67ce2e8a2de471221b3b565a937ae1a35e1560) )
+ ROM_LOAD( "1923.u50", 0x0800, 0x0800, CRC(59994a51) SHA1(57ccee24a989efe39f8ffc08aab7d72a1cdef3d1) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "1921.u68", 0x0000, 0x0800, CRC(77f8ff5a) SHA1(d535109387559dd5b58dc6432a1eae6535442079) )
+ ROM_LOAD( "1922.u69", 0x0800, 0x0800, CRC(cf63621e) SHA1(60452ad34f2b0e0afa0f09455d9aa84058c54fd5) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "1934.u113", 0x0000, 0x2000, CRC(39bb679c) SHA1(0a384286dbfc8b35e4779119f62769b6cfc93a52) )
+ ROM_LOAD( "1933.u112", 0x2000, 0x2000, CRC(1022185e) SHA1(874d796baea8ade2c642f3640ec7875a9f509a68) )
+ ROM_LOAD( "1932.u111", 0x4000, 0x2000, CRC(c7a715eb) SHA1(8b04558c87c5a5f94a5bab9fbe198a0b8a84ebf4) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "1925.u77", 0x0000, 0x2000, CRC(a7965437) SHA1(24ab3cc9b6d70e8cab4f0a20f84fb98682b321f5) )
+ ROM_LOAD( "1926.u78", 0x2000, 0x2000, CRC(9a3af434) SHA1(0b5b1ac9cf8bee1c3830ef3baffcd7d3a05bf765) )
+ ROM_LOAD( "1927.u79", 0x4000, 0x2000, CRC(0323de2b) SHA1(6f6ceafe6472d59bd0ffecb9dd2d401659157b50) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "1929.u91", 0x0000, 0x2000, CRC(55c7c757) SHA1(ad8d548eb965f343e88bad4b4ad1b5b226f21d71) )
+ ROM_LOAD( "1928.u90", 0x2000, 0x2000, CRC(e58b155b) SHA1(dd6abeae66de69734b7aa5e133dbfb8f8a35578e) )
+ ROM_LOAD( "1931.u93", 0x4000, 0x2000, CRC(55fe0f82) SHA1(391434b41b6235199a4f19a8873a523cbb417f70) )
+ ROM_LOAD( "1930.u92", 0x6000, 0x2000, CRC(f355f105) SHA1(93067b7390c05b71020e77abdd9577b39e486d9f) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "clr.u98", 0x0000, 0x0100, CRC(0fd671af) SHA1(7f26139398754dae7383c9375fca95b7970fcefb) )
+ ROM_LOAD( "clr.u72", 0x0100, 0x0100, CRC(03233bc5) SHA1(30bd690da7eda4e13df90d7ee59dbf744b3541a4) )
+ROM_END
+
+
+ROM_START( ixion )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "1937d.u27", 0x0000, 0x2000, CRC(f447aac5) SHA1(f6ec02f20482649ba1765254e0e67a8593075092) )
+ ROM_LOAD( "1938b.u28", 0x2000, 0x2000, CRC(17f48640) SHA1(d661e8ae0747c2c526360cb72e403deba7a98e71) )
+ ROM_LOAD( "1955b.u29", 0x4000, 0x1000, CRC(78636ec6) SHA1(afca6418221e700749031cb3fa738907d77c1566) )
+
+ ROM_REGION( 0x1000, "usbcpu", 0 )
+ ROM_LOAD( "1944a.u51", 0x0000, 0x0800, CRC(88215098) SHA1(54bd1c71e7f10f20623e47f4e791f54ce698bc08) )
+ ROM_LOAD( "1943a.u50", 0x0800, 0x0800, CRC(77e5a1f0) SHA1(00152ffb59ebac718b300fdf24314b456748ffbe) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 )
+ ROM_LOAD( "1939a.u68", 0x0000, 0x0800, CRC(c717ddc7) SHA1(86fdef368f097a27aac6e05bf3208fcdaf7d9da7) )
+ ROM_LOAD( "1940a.u69", 0x0800, 0x0800, CRC(ec4bb3ad) SHA1(8a38bc48cda59b5e76a5153d459bb2d01d6a56f3) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 )
+ ROM_LOAD( "1952a.u113", 0x0000, 0x2000, CRC(ffb9b03d) SHA1(b7a900166a880ca4a71fec6ad02f5c0ecfc92df8) )
+ ROM_LOAD( "1951a.u112", 0x2000, 0x2000, CRC(db743f1b) SHA1(a5d13d597fe999757137d96fb4bf7c7efc7a3245) )
+ ROM_LOAD( "1950a.u111", 0x4000, 0x2000, CRC(c2de178a) SHA1(0347a751accb02576b9cd8b123b79018cc05268c) )
+
+ ROM_REGION( 0x6000, "gfx_spr", 0 )
+ ROM_LOAD( "1945a.u77", 0x0000, 0x2000, CRC(3a3fbfe7) SHA1(f3a503f476524f9de5b55de49009972124e58601) )
+ ROM_LOAD( "1946a.u78", 0x2000, 0x2000, CRC(f2cb1b53) SHA1(8c2fb58ce7de7876c4d2f1a3d13c6a5efd06d354) )
+ ROM_LOAD( "1947a.u79", 0x4000, 0x2000, CRC(d2421e92) SHA1(07000055ace2c6983c7add180904d6bc20e1bb3b) )
+
+ ROM_REGION( 0x8000, "tilemap_dat", 0 )
+ ROM_LOAD( "1948a.u91", 0x0000, 0x2000, CRC(7a7fcbbe) SHA1(76dffffcadbe446091ee98958873aa76f7b17213) )
+ ROM_LOAD( "1953a.u90", 0x2000, 0x2000, CRC(6b626ea7) SHA1(7e02da0b031a42b077c173d85f15f75242e61e98) )
+ ROM_LOAD( "1949a.u93", 0x4000, 0x2000, CRC(e7722d09) SHA1(c9a0fb4fac798454facd3d5dd02d2c05cfe8e3a6) )
+ ROM_LOAD( "1954a.u92", 0x6000, 0x2000, CRC(a970f5ff) SHA1(0f1f8f329ceefcbd0725f8eeff1b01348f5c9374) )
+
+ ROM_REGION( 0x0200, "proms", 0 )
+ ROM_LOAD( "1942a.u98", 0x0000, 0x0100, CRC(3a8e6f74) SHA1(c2d480f8c8a111c1e23cbf819dea807f8128208d) )
+ ROM_LOAD( "1941a.u72", 0x0100, 0x0100, CRC(a5d0d97e) SHA1(2677508b44f9b7a6c6ee56e49a7b88073e80debe) )
+ROM_END
+
+/*
+Extra notes about Congo Bongo:
+
+There is known to be a version of Congo Bongo with official Sega "EPR" numbers. Sega game ID number for this set is 834-5197
+
+3 board stack with 834-5181 stickered as 834-5207 with standard 834-5167 video board & 834-5168 sound board.
+EPR-5309A.rom1 @ U35
+EPR-5310A.rom2 @ U34
+EPR-5311A.rom3 @ U33
+EPR-5312A.rom4 @ U32
+
+Uses the MR018 BPROM @ U68
+
+Oddly, it seems most Congo Bongo board sets (2 & 3 board stacks) have hand written labels for the program roms. At least
+all the PCB photos I found via Google as well as those included in a recent redump of both board set types. And YES it's
+actually "CONGO BONGO REV C ROM 2A" this is verified in several PCB photos.
+
+*/
+
+ROM_START( congo ) /* 2 board stack, Sega game ID number for this set is 834-5180 */
+ ROM_REGION( 0x8000, "maincpu", 0 ) /* Located on 834-5181 PCB, AKA Tip Top-CONTR II */
+ ROM_LOAD( "congo_rev_c_rom1.u21", 0x0000, 0x2000, CRC(09355b5b) SHA1(0085ac7eb0035a88cb54cdd3dd6b2643141d39db) ) /* SUM16 written on label 044A */
+ ROM_LOAD( "congo_rev_c_rom2a.u22", 0x2000, 0x2000, CRC(1c5e30ae) SHA1(7cc5420e0e7a2793a671b938c121ae4079f5b1b8) ) /* SUM16 written on label DD4D */
+ ROM_LOAD( "congo_rev_c_rom3.u23", 0x4000, 0x2000, CRC(5ee1132c) SHA1(26294cd69ee43dfd29fc3642e8c04552dcdbaa49) ) /* SUM16 written on label C932 */
+ ROM_LOAD( "congo_rev_c_rom4.u24", 0x6000, 0x2000, CRC(5332b9bf) SHA1(8440cc6f92918b3b467a5a0b86c9defeb0a7db0e) ) /* SUM16 written on label 5128 */
+
+ ROM_REGION( 0x2000, "audiocpu", 0 ) /* Located on 834-5181 PCB, AKA Tip Top-CONTR II */
+ ROM_LOAD( "tip_top_rom_17.u19", 0x0000, 0x2000, CRC(5024e673) SHA1(6f846146a4e29bcdfd5bd1bc5f1211d344cd5afa) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 ) /* Located on 834-5181 PCB, AKA Tip Top-CONTR II */
+ ROM_LOAD( "tip_top_rom_5.u76", 0x00000, 0x1000, CRC(7bf6ba2b) SHA1(3a2bd21b0e0e55cbd737c7b075492b5e8f944150) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_8.u93", 0x00000, 0x2000, CRC(db99a619) SHA1(499029197d26f9aea3ac15d66b5738ce7dea1f6c) )
+ ROM_LOAD( "tip_top_rom_9.u94", 0x02000, 0x2000, CRC(93e2309e) SHA1(bd8a74332cac0cf85f319c1f35d04a4781c9d655) )
+ ROM_LOAD( "tip_top_rom_10.u95", 0x04000, 0x2000, CRC(f27a9407) SHA1(d41c90c89ae28c92bf0c57927357d9b68ed7e0ef) )
+
+ ROM_REGION( 0xc000, "gfx_spr", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_12.u78", 0x00000, 0x2000, CRC(15e3377a) SHA1(04a7fbfd58924359fae0ba76ed152f325f07beae) )
+ ROM_LOAD( "tip_top_rom_13.u79", 0x02000, 0x2000, CRC(1d1321c8) SHA1(d12e156a24db105c5f941b7ef79f32181b616710) )
+ ROM_LOAD( "tip_top_rom_11.u77", 0x04000, 0x2000, CRC(73e2709f) SHA1(14919facf08f6983c3a9baad031239a1b57c8202) )
+ ROM_LOAD( "tip_top_rom_14.u104", 0x06000, 0x2000, CRC(bf9169fe) SHA1(303d68e38e9a47464f14dc5be6bff1be01b88bb6) )
+ ROM_LOAD( "tip_top_rom_16.u106", 0x08000, 0x2000, CRC(cb6d5775) SHA1(b1f8ead6e6f8ad995baaeb7f8554d41ed2296fff) )
+ ROM_LOAD( "tip_top_rom_15.u105", 0x0a000, 0x2000, CRC(7b15a7a4) SHA1(b1c05e60a1442e4dd56d197be8b768bcbf45e2d9) )
+
+ ROM_REGION( 0x4000, "tilemap_dat", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_6.u57", 0x0000, 0x2000, CRC(d637f02b) SHA1(29127149924c5bfdeb9456d7df2a5a5d14098794) )
+ ROM_LOAD( "tip_top_rom_7.u58", 0x2000, 0x2000, CRC(80927943) SHA1(4683520c241d209c6cabeaead9b363f046c30f70) )
+
+ ROM_REGION( 0x0200, "proms", 0 ) /* Located on 834-5181 PCB, AKA Tip Top-CONTR II */
+ ROM_LOAD( "mr019.u87", 0x0000, 0x100, CRC(b788d8ae) SHA1(9765180f3087140c75e5953409df841787558160) ) /* BPROM type is a TBP28L22 per the schematics */
+ ROM_RELOAD( 0x0100, 0x100 )
+ROM_END
+
+ROM_START( congoa ) /* 3 board stack, Sega game ID number for this set is 834-5156 */
+ ROM_REGION( 0x8000, "maincpu", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "congo_rev_c_rom1.u35", 0x0000, 0x2000, CRC(09355b5b) SHA1(0085ac7eb0035a88cb54cdd3dd6b2643141d39db) ) /* SUM16 written on label 044A */
+ ROM_LOAD( "congo_rev_c_rom2a.u34", 0x2000, 0x2000, CRC(1c5e30ae) SHA1(7cc5420e0e7a2793a671b938c121ae4079f5b1b8) ) /* SUM16 written on label DD4D */
+ ROM_LOAD( "congo_rev_c_rom3.u33", 0x4000, 0x2000, CRC(5ee1132c) SHA1(26294cd69ee43dfd29fc3642e8c04552dcdbaa49) ) /* SUM16 written on label C932 */
+ ROM_LOAD( "congo_rev_c_rom4.u32", 0x6000, 0x2000, CRC(5332b9bf) SHA1(8440cc6f92918b3b467a5a0b86c9defeb0a7db0e) ) /* SUM16 written on label 5128 */
+
+ ROM_REGION( 0x2000, "audiocpu", 0 ) /* Located on 834-5168 PCB AKA Tip Top-SOUND */
+ ROM_LOAD( "tip_top_rom_17.u11", 0x0000, 0x2000, CRC(5024e673) SHA1(6f846146a4e29bcdfd5bd1bc5f1211d344cd5afa) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "tip_top_rom_5.u76", 0x00000, 0x1000, CRC(7bf6ba2b) SHA1(3a2bd21b0e0e55cbd737c7b075492b5e8f944150) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_8.u93", 0x00000, 0x2000, CRC(db99a619) SHA1(499029197d26f9aea3ac15d66b5738ce7dea1f6c) )
+ ROM_LOAD( "tip_top_rom_9.u94", 0x02000, 0x2000, CRC(93e2309e) SHA1(bd8a74332cac0cf85f319c1f35d04a4781c9d655) )
+ ROM_LOAD( "tip_top_rom_10.u95", 0x04000, 0x2000, CRC(f27a9407) SHA1(d41c90c89ae28c92bf0c57927357d9b68ed7e0ef) )
+
+ ROM_REGION( 0xc000, "gfx_spr", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_12.u78", 0x00000, 0x2000, CRC(15e3377a) SHA1(04a7fbfd58924359fae0ba76ed152f325f07beae) )
+ ROM_LOAD( "tip_top_rom_13.u79", 0x02000, 0x2000, CRC(1d1321c8) SHA1(d12e156a24db105c5f941b7ef79f32181b616710) )
+ ROM_LOAD( "tip_top_rom_11.u77", 0x04000, 0x2000, CRC(73e2709f) SHA1(14919facf08f6983c3a9baad031239a1b57c8202) )
+ ROM_LOAD( "tip_top_rom_14.u104", 0x06000, 0x2000, CRC(bf9169fe) SHA1(303d68e38e9a47464f14dc5be6bff1be01b88bb6) )
+ ROM_LOAD( "tip_top_rom_16.u106", 0x08000, 0x2000, CRC(cb6d5775) SHA1(b1f8ead6e6f8ad995baaeb7f8554d41ed2296fff) )
+ ROM_LOAD( "tip_top_rom_15.u105", 0x0a000, 0x2000, CRC(7b15a7a4) SHA1(b1c05e60a1442e4dd56d197be8b768bcbf45e2d9) )
+
+ ROM_REGION( 0x4000, "tilemap_dat", 0 ) /* Located on 834-5167 PCB, Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_6.u57", 0x0000, 0x2000, CRC(d637f02b) SHA1(29127149924c5bfdeb9456d7df2a5a5d14098794) )
+ ROM_LOAD( "tip_top_rom_7.u58", 0x2000, 0x2000, CRC(80927943) SHA1(4683520c241d209c6cabeaead9b363f046c30f70) )
+
+ ROM_REGION( 0x0200, "proms", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "mr018.u68", 0x0000, 0x200, CRC(56b9f1ba) SHA1(32ae743087f7c2dfba6818df8e9d665d8d9a3ee7) ) /* dumped as TBP28S42, first 256 bytes match MR019 then 0xFF filled */
+ROM_END
+
+ROM_START( tiptop ) /* 3 board stack */
+ ROM_REGION( 0x8000, "maincpu", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "tiptop1.u35", 0x0000, 0x2000, CRC(e19dc77b) SHA1(d3782dd55701e0f5cd426ad2771c1bd0264c366a) )
+ ROM_LOAD( "tiptop2.u34", 0x2000, 0x2000, CRC(3fcd3b6e) SHA1(2898807ee36fca7fbc06616c9a070604beb782b9) )
+ ROM_LOAD( "tiptop3.u33", 0x4000, 0x2000, CRC(1c94250b) SHA1(cb70a91d07b0a9c61a093f1b5d37f2e69d1345c1) )
+ ROM_LOAD( "tiptop4.u32", 0x6000, 0x2000, CRC(577b501b) SHA1(5cad98a60a5241ba9467aa03fcd94c7490e6dbbb) )
+
+ ROM_REGION( 0x2000, "audiocpu", 0 ) /* Located on 834-5168 PCB AKA Tip Top-SOUND */
+ ROM_LOAD( "tip_top_rom_17.u11", 0x0000, 0x2000, CRC(5024e673) SHA1(6f846146a4e29bcdfd5bd1bc5f1211d344cd5afa) )
+
+ ROM_REGION( 0x1000, "gfx_tx", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "tip_top_rom_5.u76", 0x00000, 0x1000, CRC(7bf6ba2b) SHA1(3a2bd21b0e0e55cbd737c7b075492b5e8f944150) )
+
+ ROM_REGION( 0x6000, "gfx_bg", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_8.u93", 0x00000, 0x2000, CRC(db99a619) SHA1(499029197d26f9aea3ac15d66b5738ce7dea1f6c) )
+ ROM_LOAD( "tip_top_rom_9.u94", 0x02000, 0x2000, CRC(93e2309e) SHA1(bd8a74332cac0cf85f319c1f35d04a4781c9d655) )
+ ROM_LOAD( "tip_top_rom_10.u95", 0x04000, 0x2000, CRC(f27a9407) SHA1(d41c90c89ae28c92bf0c57927357d9b68ed7e0ef) )
+
+ ROM_REGION( 0xc000, "gfx_spr", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_12.u78", 0x00000, 0x2000, CRC(15e3377a) SHA1(04a7fbfd58924359fae0ba76ed152f325f07beae) )
+ ROM_LOAD( "tip_top_rom_13.u79", 0x02000, 0x2000, CRC(1d1321c8) SHA1(d12e156a24db105c5f941b7ef79f32181b616710) )
+ ROM_LOAD( "tip_top_rom_11.u77", 0x04000, 0x2000, CRC(73e2709f) SHA1(14919facf08f6983c3a9baad031239a1b57c8202) )
+ ROM_LOAD( "tip_top_rom_14.u104", 0x06000, 0x2000, CRC(bf9169fe) SHA1(303d68e38e9a47464f14dc5be6bff1be01b88bb6) )
+ ROM_LOAD( "tip_top_rom_16.u106", 0x08000, 0x2000, CRC(cb6d5775) SHA1(b1f8ead6e6f8ad995baaeb7f8554d41ed2296fff) )
+ ROM_LOAD( "tip_top_rom_15.u105", 0x0a000, 0x2000, CRC(7b15a7a4) SHA1(b1c05e60a1442e4dd56d197be8b768bcbf45e2d9) )
+
+ ROM_REGION( 0x4000, "tilemap_dat", 0 ) /* Located on 834-5167 PCB, AKA Tip Tip-VIDEO */
+ ROM_LOAD( "tip_top_rom_6.u57", 0x0000, 0x2000, CRC(d637f02b) SHA1(29127149924c5bfdeb9456d7df2a5a5d14098794) )
+ ROM_LOAD( "tip_top_rom_7.u58", 0x2000, 0x2000, CRC(80927943) SHA1(4683520c241d209c6cabeaead9b363f046c30f70) )
+
+ ROM_REGION( 0x0200, "proms", 0 ) /* Located on 834-5166 PCB AKA Tip Top-CONTR */
+ ROM_LOAD( "mr018.u68", 0x0000, 0x200, CRC(56b9f1ba) SHA1(32ae743087f7c2dfba6818df8e9d665d8d9a3ee7) ) /* dumped as TBP28S42, first 256 bytes match MR019 then 0xFF filled */
+ROM_END
+
+
+/*************************************
+ *
+ * Driver initialization
+ *
+ *************************************/
+
+DRIVER_INIT_MEMBER(zaxxon_state,zaxxonj)
+{
+/*
+ the values vary, but the translation mask is always laid out like this:
+
+ 0 1 2 3 4 5 6 7 8 9 a b c d e f
+ 0 A A B B A A B B C C D D C C D D
+ 1 A A B B A A B B C C D D C C D D
+ 2 E E F F E E F F G G H H G G H H
+ 3 E E F F E E F F G G H H G G H H
+ 4 A A B B A A B B C C D D C C D D
+ 5 A A B B A A B B C C D D C C D D
+ 6 E E F F E E F F G G H H G G H H
+ 7 E E F F E E F F G G H H G G H H
+ 8 H H G G H H G G F F E E F F E E
+ 9 H H G G H H G G F F E E F F E E
+ a D D C C D D C C B B A A B B A A
+ b D D C C D D C C B B A A B B A A
+ c H H G G H H G G F F E E F F E E
+ d H H G G H H G G F F E E F F E E
+ e D D C C D D C C B B A A B B A A
+ f D D C C D D C C B B A A B B A A
+
+ (e.g. 0xc0 is XORed with H)
+ therefore in the following tables we only keep track of A, B, C, D, E, F, G and H.
+*/
+ static const UINT8 data_xortable[2][8] =
+ {
+ { 0x0a,0x0a,0x22,0x22,0xaa,0xaa,0x82,0x82 }, /* ...............0 */
+ { 0xa0,0xaa,0x28,0x22,0xa0,0xaa,0x28,0x22 }, /* ...............1 */
+ };
+
+ static const UINT8 opcode_xortable[8][8] =
+ {
+ { 0x8a,0x8a,0x02,0x02,0x8a,0x8a,0x02,0x02 }, /* .......0...0...0 */
+ { 0x80,0x80,0x08,0x08,0xa8,0xa8,0x20,0x20 }, /* .......0...0...1 */
+ { 0x8a,0x8a,0x02,0x02,0x8a,0x8a,0x02,0x02 }, /* .......0...1...0 */
+ { 0x02,0x08,0x2a,0x20,0x20,0x2a,0x08,0x02 }, /* .......0...1...1 */
+ { 0x88,0x0a,0x88,0x0a,0xaa,0x28,0xaa,0x28 }, /* .......1...0...0 */
+ { 0x80,0x80,0x08,0x08,0xa8,0xa8,0x20,0x20 }, /* .......1...0...1 */
+ { 0x88,0x0a,0x88,0x0a,0xaa,0x28,0xaa,0x28 }, /* .......1...1...0 */
+ { 0x02,0x08,0x2a,0x20,0x20,0x2a,0x08,0x02 } /* .......1...1...1 */
+ };
+
+ UINT8 *rom = memregion("maincpu")->base();
+
+ for (int A = 0x0000; A < 0x6000; A++)
+ {
+ int i,j;
+ UINT8 src;
+
+ src = rom[A];
+
+ /* pick the translation table from bit 0 of the address */
+ i = A & 1;
+
+ /* pick the offset in the table from bits 1, 3 and 5 of the source data */
+ j = ((src >> 1) & 1) + (((src >> 3) & 1) << 1) + (((src >> 5) & 1) << 2);
+ /* the bottom half of the translation table is the mirror image of the top */
+ if (src & 0x80) j = 7 - j;
+
+ /* decode the ROM data */
+ rom[A] = src ^ data_xortable[i][j];
+
+ /* now decode the opcodes */
+ /* pick the translation table from bits 0, 4, and 8 of the address */
+ i = ((A >> 0) & 1) + (((A >> 4) & 1) << 1) + (((A >> 8) & 1) << 2);
+ m_decrypted_opcodes[A] = src ^ opcode_xortable[i][j];
+ }
+}
+
+
+DRIVER_INIT_MEMBER(zaxxon_state,szaxxon)
+{
+ static const UINT8 convtable[32][4] =
+ {
+ /* opcode data address */
+ /* A B C D A B C D */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 }, /* ...0...0...0...0 */
+ { 0x08,0x28,0x88,0xa8 }, { 0x88,0x80,0x08,0x00 }, /* ...0...0...0...1 */
+ { 0xa8,0x28,0xa0,0x20 }, { 0x20,0xa0,0x00,0x80 }, /* ...0...0...1...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 }, /* ...0...0...1...1 */
+ { 0x08,0x28,0x88,0xa8 }, { 0x88,0x80,0x08,0x00 }, /* ...0...1...0...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 }, /* ...0...1...0...1 */
+ { 0xa8,0x28,0xa0,0x20 }, { 0x20,0xa0,0x00,0x80 }, /* ...0...1...1...0 */
+ { 0x08,0x28,0x88,0xa8 }, { 0x88,0x80,0x08,0x00 }, /* ...0...1...1...1 */
+ { 0x08,0x28,0x88,0xa8 }, { 0x88,0x80,0x08,0x00 }, /* ...1...0...0...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 }, /* ...1...0...0...1 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 }, /* ...1...0...1...0 */
+ { 0xa8,0x28,0xa0,0x20 }, { 0x20,0xa0,0x00,0x80 }, /* ...1...0...1...1 */
+ { 0xa8,0x28,0xa0,0x20 }, { 0x20,0xa0,0x00,0x80 }, /* ...1...1...0...0 */
+ { 0xa8,0x28,0xa0,0x20 }, { 0x20,0xa0,0x00,0x80 }, /* ...1...1...0...1 */
+ { 0x08,0x28,0x88,0xa8 }, { 0x88,0x80,0x08,0x00 }, /* ...1...1...1...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x20,0xa8,0xa0 } /* ...1...1...1...1 */
+ };
+
+ sega_decode(memregion("maincpu")->base(), m_decrypted_opcodes, 0x6000, convtable);
+}
+
+
+DRIVER_INIT_MEMBER(zaxxon_state,futspy)
+{
+ static const UINT8 convtable[32][4] =
+ {
+ /* opcode data address */
+ /* A B C D A B C D */
+ { 0x28,0x08,0x20,0x00 }, { 0x28,0x08,0x20,0x00 }, /* ...0...0...0...0 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x08,0x88,0x00,0x80 }, /* ...0...0...0...1 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x08,0x88,0x00,0x80 }, /* ...0...0...1...0 */
+ { 0xa0,0x80,0x20,0x00 }, { 0x20,0x28,0xa0,0xa8 }, /* ...0...0...1...1 */
+ { 0x28,0x08,0x20,0x00 }, { 0x88,0x80,0xa8,0xa0 }, /* ...0...1...0...0 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x08,0x88,0x00,0x80 }, /* ...0...1...0...1 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x20,0x28,0xa0,0xa8 }, /* ...0...1...1...0 */
+ { 0x20,0x28,0xa0,0xa8 }, { 0x08,0x88,0x00,0x80 }, /* ...0...1...1...1 */
+ { 0x88,0x80,0xa8,0xa0 }, { 0x28,0x08,0x20,0x00 }, /* ...1...0...0...0 */
+ { 0x80,0x00,0xa0,0x20 }, { 0xa0,0x80,0x20,0x00 }, /* ...1...0...0...1 */
+ { 0x20,0x28,0xa0,0xa8 }, { 0x08,0x88,0x00,0x80 }, /* ...1...0...1...0 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x20,0x28,0xa0,0xa8 }, /* ...1...0...1...1 */
+ { 0x88,0x80,0xa8,0xa0 }, { 0x88,0x80,0xa8,0xa0 }, /* ...1...1...0...0 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x08,0x88,0x00,0x80 }, /* ...1...1...0...1 */
+ { 0x80,0x00,0xa0,0x20 }, { 0x28,0x08,0x20,0x00 }, /* ...1...1...1...0 */
+ { 0x20,0x28,0xa0,0xa8 }, { 0xa0,0x80,0x20,0x00 } /* ...1...1...1...1 */
+ };
+
+ sega_decode(memregion("maincpu")->base(), m_decrypted_opcodes, 0x6000, convtable);
+}
+
+
+DRIVER_INIT_MEMBER(zaxxon_state,razmataz)
+{
+ // Note: same as nprinces
+ static const UINT8 convtable[32][4] =
+ {
+ /* opcode data address */
+ /* A B C D A B C D */
+ { 0x08,0x88,0x00,0x80 }, { 0xa0,0x20,0x80,0x00 }, /* ...0...0...0...0 */
+ { 0xa8,0xa0,0x28,0x20 }, { 0x88,0xa8,0x80,0xa0 }, /* ...0...0...0...1 */
+ { 0x88,0x80,0x08,0x00 }, { 0x28,0x08,0xa8,0x88 }, /* ...0...0...1...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x08,0xa8,0x88 }, /* ...0...0...1...1 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0xa0,0x20,0x80,0x00 }, /* ...0...1...0...0 */
+ { 0xa8,0xa0,0x28,0x20 }, { 0xa8,0xa0,0x28,0x20 }, /* ...0...1...0...1 */
+ { 0x88,0x80,0x08,0x00 }, { 0x88,0xa8,0x80,0xa0 }, /* ...0...1...1...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x88,0xa8,0x80,0xa0 }, /* ...0...1...1...1 */
+ { 0xa0,0x20,0x80,0x00 }, { 0xa0,0x20,0x80,0x00 }, /* ...1...0...0...0 */
+ { 0x08,0x88,0x00,0x80 }, { 0x28,0x08,0xa8,0x88 }, /* ...1...0...0...1 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x88,0x80,0x08,0x00 }, /* ...1...0...1...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x28,0x08,0xa8,0x88 }, /* ...1...0...1...1 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x88,0xa8,0x80,0xa0 }, /* ...1...1...0...0 */
+ { 0x88,0xa8,0x80,0xa0 }, { 0x88,0xa8,0x80,0xa0 }, /* ...1...1...0...1 */
+ { 0x88,0x80,0x08,0x00 }, { 0x88,0x80,0x08,0x00 }, /* ...1...1...1...0 */
+ { 0x08,0x88,0x00,0x80 }, { 0x28,0x08,0xa8,0x88 } /* ...1...1...1...1 */
+ };
+
+
+ sega_decode(memregion("maincpu")->base(), m_decrypted_opcodes, 0x6000, convtable);
+
+ address_space &pgmspace = m_maincpu->space(AS_PROGRAM);
+
+ /* additional input ports are wired */
+ pgmspace.install_read_port(0xc004, 0xc004, 0, 0x18f3, "SW04");
+ pgmspace.install_read_port(0xc008, 0xc008, 0, 0x18f3, "SW08");
+ pgmspace.install_read_port(0xc00c, 0xc00c, 0, 0x18f3, "SW0C");
+
+ /* unknown behavior expected here */
+ pgmspace.install_read_handler(0xc80a, 0xc80a, read8_delegate(FUNC(zaxxon_state::razmataz_counter_r),this));
+
+ /* additional state saving */
+ save_item(NAME(m_razmataz_dial_pos));
+ save_item(NAME(m_razmataz_counter));
+}
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+/* these games run on standard Zaxxon hardware */
+GAME( 1982, zaxxon, 0, zaxxon, zaxxon, driver_device, 0, ROT90, "Sega", "Zaxxon (set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1982, zaxxon2, zaxxon, zaxxon, zaxxon, driver_device, 0, ROT90, "Sega", "Zaxxon (set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1982, zaxxon3, zaxxon, zaxxon, zaxxon, driver_device, 0, ROT90, "Sega", "Zaxxon (set 3)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1982, zaxxonj, zaxxon, szaxxon, zaxxon, zaxxon_state, zaxxonj, ROT90, "Sega", "Zaxxon (Japan)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1982, zaxxonb, zaxxon, szaxxon, zaxxon, zaxxon_state, zaxxonj, ROT90, "bootleg", "Jackson", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+
+/* standard Zaxxon hardware but extra sound board plugged into 8255 PPI socket and encrypted cpu */
+GAME( 1982, szaxxon, 0, szaxxon, szaxxon, zaxxon_state, szaxxon, ROT90, "Sega", "Super Zaxxon (315-5013)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+
+/* standard Zaxxon hardware? but encrypted cpu */
+GAME( 1984, futspy, 0, futspy, futspy, zaxxon_state, futspy, ROT90, "Sega", "Future Spy (315-5061)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+
+/* these games run on modified Zaxxon hardware with no skewing, extra inputs, and a */
+/* G-80 Universal Sound Board */
+GAME( 1983, razmataz, 0, razmataz, razmataz, zaxxon_state, razmataz, ROT90, "Sega", "Razzmatazz", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1983, ixion, 0, razmataz, ixion, zaxxon_state, szaxxon, ROT270, "Sega", "Ixion (prototype)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE)
+
+/* these games run on a slightly newer Zaxxon hardware with more ROM space and a */
+/* custom sprite DMA chip */
+GAME( 1983, congo, 0, congo, congo, driver_device, 0, ROT90, "Sega", "Congo Bongo (Rev C, 2 board stack)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1983, congoa, congo, congo, congo, driver_device, 0, ROT90, "Sega", "Congo Bongo (Rev C, 3 board stack)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
+GAME( 1983, tiptop, congo, congo, congo, driver_device, 0, ROT90, "Sega", "Tip Top (3 board stack)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )