ixion Ixion (prototype)


Immagine gioco: Ixion (prototype)
   
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 Description 
Romset name: ixion.zip
Production year: 1983
Manufacturer: Sega

Game genre: Shooter
Category: Shooter / Field

 Emulation 
This machine works in MAME with problems This machine works in MAME with problems

Overall emulation: Good
Color emulation: Good
Sound emulation: Imperfect
Graphics emulation: Good
Save states: Supported

In MAME since version: .037b15

The MAME driver of this machine is: zaxxon.cpp - Read the code

 Tech info 
 Hardware of this machine:
  • CHIPs [Show details]

    NameTypeClock
    Z80 SegaCrypt ("maincpu")cpu 3041250 Hz
    I8035 ("usbsnd:ourcpu")cpu 6000000 Hz
    Speaker ("speaker")audio
    Sega Universal Sound Board with ROM ("usbsnd")audio

  • Screens [Show details]

    This machine uses a single screen:
      Graphic type: Raster
      Screen orientation: Vertical
      Resolution 256 x 224 @ 59.999408 Hz

  • Number of players: 2P Alternated
  • Controllers [Show details]

    Type:
      Joystick [8 ways]
      Spinner

  • Dip-switches [Show details]

    Default settings in bold
    NameValue
    Bonus Life40000
     60000
     80000
     100000
    Lives2
     3
     4
     5
    DifficultyEasiest
     Easier
     Easy
     Normal
     Medium
     Hard
     Harder
     Hardest
    Demo SoundsOff
     On
    Coin B4 Coins/1 Credit
     3 Coins/1 Credit
     2 Coins/1 Credit
     1 Coin/1 Credit
     1 Coin/2 Credits
     1 Coin/3 Credits
     1 Coin/4 Credits
     1 Coin/5 Credits
    Coin A4 Coins/1 Credit
     3 Coins/1 Credit
     2 Coins/1 Credit
     1 Coin/1 Credit
     1 Coin/2 Credits
     1 Coin/3 Credits
     1 Coin/4 Credits
     1 Coin/5 Credits
    Free PlayOff
     On

  • ROMs (19 of the machine set) [Show details]

    Referred to MAME version: 0.181

    NameSizeCRC32SHA1StatusIn romset
    1937d.u278192f447aac5 f6ec02f20482649ba1765254e0e67a8593075092 good ixion
    1938b.u28819217f48640 d661e8ae0747c2c526360cb72e403deba7a98e71 good ixion
    1955b.u29409678636ec6 afca6418221e700749031cb3fa738907d77c1566 good ixion
    1944a.u51204888215098 54bd1c71e7f10f20623e47f4e791f54ce698bc08 good ixion
    1943a.u50204877e5a1f0 00152ffb59ebac718b300fdf24314b456748ffbe good ixion
    1939a.u682048c717ddc7 86fdef368f097a27aac6e05bf3208fcdaf7d9da7 good ixion
    1940a.u692048ec4bb3ad 8a38bc48cda59b5e76a5153d459bb2d01d6a56f3 good ixion
    1952a.u1138192ffb9b03d b7a900166a880ca4a71fec6ad02f5c0ecfc92df8 good ixion
    1951a.u1128192db743f1b a5d13d597fe999757137d96fb4bf7c7efc7a3245 good ixion
    1950a.u1118192c2de178a 0347a751accb02576b9cd8b123b79018cc05268c good ixion
    1945a.u7781923a3fbfe7 f3a503f476524f9de5b55de49009972124e58601 good ixion
    1946a.u788192f2cb1b53 8c2fb58ce7de7876c4d2f1a3d13c6a5efd06d354 good ixion
    1947a.u798192d2421e92 07000055ace2c6983c7add180904d6bc20e1bb3b good ixion
    1948a.u9181927a7fcbbe 76dffffcadbe446091ee98958873aa76f7b17213 good ixion
    1953a.u9081926b626ea7 7e02da0b031a42b077c173d85f15f75242e61e98 good ixion
    1949a.u938192e7722d09 c9a0fb4fac798454facd3d5dd02d2c05cfe8e3a6 good ixion
    1954a.u928192a970f5ff 0f1f8f329ceefcbd0725f8eeff1b01348f5c9374 good ixion
    1942a.u982563a8e6f74 c2d480f8c8a111c1e23cbf819dea807f8128208d good ixion
    1941a.u72256a5d0d97e 2677508b44f9b7a6c6ee56e49a7b88073e80debe good ixion


    :  PARENT Machine
    :  CLONE Machine
    :  BIOS
    :  Device


 Information 
HISTORY

Ixion (c) 1983 Sega.


Collect all the letters to spell the word IXION. Shoot enemies and avoid being shot yourself.


- TECHNICAL -


Main CPU : Z80 (@ 3.04125 Mhz), I8035 (@ 400 Khz)

Sound Chips : Custom (@ 400 Khz)


Screen orientation : Vertical

Video resolution : 224 x 256 pixels

Screen refresh : 60.00 Hz

Palette colors : 256


Players : 2

Control : Dial

Buttons : 1


- TRIVIA -


Released in January 1983.


- PORTS -


* Consoles :

Atari 2600 (1984) : Unreleased prototype


- SOURCES -


Game's rom.



Giochi Simili

Warning: information in history.dat can differ from the ones present in the rest of the page (taken from MAME) as they come from a different source

 MAMEINFO.DAT 
Information on ixion

0.37b15 [David Haywood]


TEST MODE:

- Use F2 to enter test mode, then 1 to advance from one test to the following.


WIP:

- 0.146: Ixion doesn't have a 8255 [hap].

- 0.145u7: Aaron Giles fixed crash before OK in Ixion.

- 0.136u4: MASH fixed DIAL input (rotate cannon) in Ixion.

- 0.129u4: Changed Custom sound to 'Sega Universal Sound Board'.

- 0.122u6: Changed I8035 CPU2 clock speed to 6MHz.

- 0.107u2: Rewrote Zaxxon driver from the schematics [Aaron Giles]: This is still a WIP (not finished yet). Connected universal sound board to Ixion and Razzmatazz. Changed clock speeds and video timing. Complete memory maps. Simplified video code and merged common cases together. Palette derived from resistor weights. Background positioning still a little off. Added I8035 (400000 Hz) CPU2 and Custom sound. Changed region sound1 to cpu2. Removed flags dispose from region gfx4. Changed VSync to 59.999409 Hz.

- 0.76u1: Changed Z80 CPU clock speed to 3041250 Hz.

- 0.59: Removed 3rd coin slot. Added dipswitches 'Bonus Life', 'Lives', 'Difficulty', 'Demo Sounds' and 'Unused'.

- 0.37b15: David Haywood added Ixion (prototype) (Sega 1983).

- 15th May 2001: David Haywood added Ixion to the Zaxxon driver.


PLAY INSTRUCTIONS:

- Collect all letters to reach Kailo round. For Gold letter you gain 500 to 8000 points.

- Shoot enemies for 200 and crystals for 1000 points. KAILO heals tiles and OLIAK destroys tiles.

- Bonus ship every 100000

 Utilities 
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