Arcade 1981 Williams / Vid Kidz Shooter Flying
Stargate, also known as 'Defender II', will transport you to a whole new dimension in video games! Not only will the skills you learned with "Defender" be challenged and refined, but new strategies must come into play if you are to be victorious in rescuing the humanoids from the clutches of the aliens and in entering the Stargate! Your ability to react quickly and with on-target precision will be tested against the evil Yllabian Space Guppies, Dynamos, Space Hums, Firebombers and their Fireballs, Phreds, Big Reds and Munchies! If you succeed in maneuvering your ship into the Stargate, you'll be instantly translocated to that part of the planet where the humanoids are being abducted! To open up spectacular scoring possibilities, rescue 4 humanoids, re-enter Stargate and you'll Warp 3 Waves ahead in space and time, setting off dazzling special effects and racking up high points!

If you must destroy everything in your path or risk self-destruction, activate the Inviso anti-matter cloaking device and become invisible and invulnerable! Inviso time plus a new ship and a Smart Bomb are earned with every 10000 points you score!

If all 10 Humanoids in a wave are abducted, the universe will explode into smithereens, leaving deadly Mutants on the attack! Survive till Wave 5 and the universe will be restored, the humanoids safe ... but you'll be the target of an Yllabian Dog Fight! There'll be no Landers to abduct the Humanoids, but all the other aliens will have stronger and larger forces concentrated against you! It will be an out space battle reaching the outer limits of aggression and will call up your last ounce of determination and courage!

Partager Stargate


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Télécharger Stargate

Contents of the ROM :


  • maincpu M6809 (@ 1 Mhz)
  • soundcpu M6808 (@ 3 Mhz)
  • DAC
  • Orientation Yoko
  • Resolution 255 x 240
  • Frequency 60.096154 Hz
  • Number of players 1
  • Number of buttons 6
  • Kind of controler joy (vertical2 ways)

Stargate Screenshots

Stargate - Screen 1
Stargate - Screen 2
Stargate - Screen 3
Stargate - Screen 4
Stargate - Screen 5

Scoring for Stargate

Lander : 150 points
Mutant : 150 points
Bomber : 250 points
Pod : 1000 points
Baiter : 200 points
Swarmer : 150 points
Firebomber : 250 points
Fireball : 100 points
Dynamo : 200 points
Space Hum : 100 points
Yllabian Space Guppy : 200 points
Phred : 200 points
Big Red : 200 points
Munchies : 50 points
Getting hit by an enemy bullet : 25 points

Destroying a Pod with a Smart Bomb will award either 1450 or 1600 points.

Rescuing abducted Humanoids gives increasing bonuses if they are rescued consecutively without being immediately returned to the ground.
500 points for saving the 1st Humanoid from a Lander, 1000 points for saving the 2nd, 1500 points for the 3rd, and 2000 points for the 4th and higher.
500 points for each Humanoid put back into the planet's surface.
250 points for a Humanoid landing into the ground safely on his own.

A special undocumented bonus can be gained by dropping off a Humanoid as the last event in a wave. There are two ways to do this. One way requires you to have killed everything off in the wave except for one lander. Wait for the lander to pick up a humanoid. Shoot the lander and catch the humanoid JUST before it hits the ground. The other way is to deposit a humanoid that your ship is carrying at the exact moment when you kill the last enemy of the wave. Either way, when this is done properly the screen will flash several times and you will be awarded 2000 points.

Bonus at the end of each wave :
Wave 1 : Humanoids Left X 100.
Wave 2 : Humanoids Left X 200.
Wave 3 : Humanoids Left X 300.
Wave 4 : Humanoids Left X 400.
Wave 5 and all Yllabian Dogfight waves : 2500 points.
Wave 6 and above : Humaniods Left X 500.
Warp : Humanoids Left X 2000.

Tips on Stargate

The enemies that initially appear in each wave are :
Wave 1 : 11 Landers, 2 Dynamos, 3 Firebombers
Wave 2 : 10 Landers, 2 Dynamos, 3 Firebombers, 7 Yllabian Space Guppies
Wave 3 : 10 Landers, 2 Dynamos, 6 Firebombers, 4 Yllabian Space Guppies, 3 Pods
Wave 4 : 17 Landers, 3 Dynamos, 3 Firebombers, 5 Yllabian Space Guppies, 4 Pods
Wave 5 and every Yllabian Dogfight : 6 Dynamos, 22 Yllabian Space Guppies, 8 Swarmers
Wave 6 : 17 Landers, 3 Dynamos, 3 Firebombers, 5 Yllabian Space Guppies, 4 Pods, 2 Bombers
Waves 7, 8, and 9 : 17 Landers, 3 Dynamos, 3 Firebombers, 5 Yllabian Space Guppies, 4 Pods, 3 Bombers
Wave 10 and every Firebomber Showdown : 13 Firebombers, 6 Pods
Wave 11 and every regular wave higher : 18 Landers, 4 Dynamos, 4 Firebombers, 3 Yllabian Space Guppies, 4 Pods, 2 Bombers

If the planet is destroyed, all Landers are replaced with Mutants.

* You start the game in the middle of the screen. You can look at your radar to see where the various enemies are. Get to learn the sounds of the game because they are an important clue as to what is going on out of your viewing range. First of all, learn how to use the buttons with proficiency. You don't want to be hunting around for the smart bomb or thrust button when you are in the middle of a firefight. Practice will make you proficient.

* The player's ship can shoot a maximum of four lasers on the screen at any one time.

* Learn to use your radar screen and after a while you will only look at the viewable area briefly to take care of business. Each enemy has a unique color on the radar so you should be able to easily identify what they are. In addition, you will also learn how each enemy moves around. This will definitely become a great benefit in the later waves.

* Listen to the sounds of the game. When you hear a high-pitched chatter, that means a Lander has picked up a Humanoid in order to create a Mutant. Use your radar and look for the green shape going straight up; that's the Lander. Try to get over there as quickly as possible. Just shoot the Lander, not the Humanoid it has taken. When you hear what sound like something being put together, that means a Lander has become a Mutant.

* Once you shoot the Lander, your job isn't over yet. If the height is too great, the Humanoid will fall and die on impact. You have to fly over the Humanoid and your fighter will pick it up. Any time you scrape against the ground, you will set the Humanoid down. Some players continuously ride around with a Humanoid to prevent the planet from exploding.

* The planet will only explode when all ten Humanoids are dead. Then you will have to go through waves of nothing but Mutants and the other regular enemies until you make it to a bonus wave. After that, you will have 10 humans and a new planet again. Mutants are very dangerous to deal with because they tend to swarm and fire a lot of shots toward your ship. Of course, expert players just shoot all the Humanoids so they can have the challenge of going through these Mutant waves.

* Try to clear waves as quickly as possible. If you take too long on a wave, a Baiter, Phred, or a Big Red will appear. These enemies are much faster than your fighter and can outrun it. The Baiter also has the tendency to fire pretty accurate shots. One of the tactics to throw them off is to reverse quickly a couple of times. This disorients them briefly and may give you a chance to shoot them. These enemies make their appearance to ensure you finish waves quickly.

* Use your Smart Bombs only when the screen is crowded with enemies. A lot of players like to get all the Pods together and then touch off a Smart Bomb. Another way is to break open the Pods so that Swarmers are all over then hit the Smart Bomb.

* Use your Invisio sparingly. A good tactic is to find a lot of enemy units bunched up. Fly fast toward them and at the last second activate your Invisio until you are clear (should amount to less then a second of time). You can destroy quite a few enemies this way and you conserve your Invisio energy.

* Use Hyperspace only when you are in a totally desperate situation (like getting swarmed by Mutants or Swarmers). Sometimes Hyperspace will destroy your ship on re-entry.

* Watch out for the Bombers. Although they travel slowly, they leave strings of bombs. If you are not paying attention, you may crash if you attempt to fly through them.

* The Firebombers have a tendency to shoot a lot of Fireballs at your fighter. Fortunately, you can destroy these Fireballs. This can become complicated if there are four or five Firebombers firing at the same time. The Fireballs don't track your ship. The Firebombers don't start shooting Fireballs until Wave 2.

* You can fly through and under the terrain (but you cannot exit the screen at the top and come up through the bottom or vice-versa). Use this to your advantage when maneuvering around.

* Since you 'wrap-around' the screen, this gives you a little more maneuvering room. However, keep looking at your radar because the enemy that disappears off the left side will show up on the right side. Also, shots do not wrap around the edge.

* In addition to using the 'wrap-around', keep in mind that you can also use the Stargate to your advantage. Some players hang around the Stargate until a Humanoid is abducted. They go through the Stargate, save the Humanoid, and go back to the Stargate again to await the next rescue. Also, the Stargate is useful if you are being pursued by a lot of enemies since it transports you to the opposite side of the planet.

* Since you get an extra ship, Smart Bomb, and Inviso time every 10000 points, that should be your constant goal. However, as the waves get higher things move a lot faster, making even getting 10000 points a challenge.

* The most extra ships or Smart Bombs that can be obtained is 255. If the player has 255 extra ships or Smart Bombs and then wins an extra one, the counter rolls back to zero.

* Secret Message : The formula consists of three sequences of buttons, that all must be completed within a quarter of a second of each other, without the player dying onscreen. The moves are as follows...
1) Joystick Down, Reverse, 1P Start and Thrust.
2) Reverse, 2P Start and Fire.
3) Joystick Down, 1P Start, Thrust and Fire.

* Stargate attack waves 'roll over' at wave 100, which is displayed, when started and after being completed, as Wave 0. The game keeps track of the actual number of waves, even though they are not shown properly. For example, the next wave will be counted as Wave 101, even though it shows being completed as Wave 1. The game will 'roll over' again at Wave 200, which is displayed, when started and after being completed, as Wave 0 as well. The next 'roll over' occurs at Wave 256. Upon completion of Wave 255, the next wave is a wave very similar to the very first wave, except that the Firebombers shoot. This level is counted and displayed as Wave 0, and the player is awarded a bonus of Humanoids left X 0 points (the bonus for this wave is always 0 points). The next is Wave 1, and the game now plays just as if the player had started a new game (warps are now again possible up to wave 10), except the player gets to keep his score and all of his bonus ships and Smart Bombs.

Stargate and M.A.M.E.

0.23 [Steven Hugg]

Artwork available

- When you see "FACTORY SETTINGS RESTORED", press F2 to proceed.
- Press F2 for Test-Mode
- Press F1 + F2 for Bookkeeping/Setup

- 9th July 2008: Mr. Do - The Stargate bezel from the BYOAC/CAG artwork ended up being a better source than the prior version (sorry Italie). This has been replaced.
- 18th February 2007: Mr. Do - So as to no longer leave out our UK friends, there are now both US and UK Cent/Pence artwork options for Stargate.
- 25th August 2006: Mr. Do - Ad_Enuff redid Stargate artwork.
- 24th August 2006: Mr. Do - Added a BEAUTIFUL version of Stargate artwork, thanks to Italie and Ad_Enuff (redone again).
- 0.95u3: Changed cpu1 roms addresses from $0-8000 to $10000-18000.
- 0.92: Highwayman added proms ($0, 200 - video inversion for cocktail table).
- 0.84u6: Aaron Giles removed hacky cheat controls from Stargate.
- 0.57: Removed 3rd coin slot.
- 0.30: Maurizio Zanello added alternate controls in Defender and Stargate, to control the ship using the standard 8-way directional controls instead of up/down/reverse/thrust. Available only when the -cheat option is specified.
- 0.29: Changed description of 'stargate' to 'Stargate'.
- 0.25: Valerio Verrando fixed the Williams driver to support joystick in Blaster, Defender, Joust, Robotron, Splat and Stargate. Up key = Up, Dn key = Down, Lft key = Reverse, ALT = Thrust, CTRL = Fire, X = Smart bomb, C = Hyperspace, V = Inviso, 1+2 = Goes into game setup menu and 2+3 = Diagnostic menu. Known issues: The joystick controls are strange, but Stargate had lots of buttons.
- 0.24: Marc Lafontaine provided drivers for Robotron, Splat, Defender, Joust, Stargate, Bubbles, Blaster and Sinistar. Bubbles doesn't start, and Sinistar do weird things at startup. The other games work very well, though. For this version I provide a set of fonts that can be used to avoid jerkiness in williams games. If you use zipped roms remember to include them in the ZIP files.
- 0.23: Added Stargate (Williams 1981). Steven Hugg provided a Williams games driver. Stargate, Robotron and Joust are currently supported and playable. However Robotron and Joust have some glitches yet. Control: S = Up, X = Down, A = Reverse, I = Thrust, O = Fire, J = Smart bomb, M = Inviso and SPACE = Hyperspace.

Other Emulators:
* HiVE
* Retrocade

Romset: 51 kb / 15 files / 35.3 zip
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