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Depthcharge - MAME machine

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Depthcharge
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GAME SYSTEM CHD BIOS DEVICE PARENT CLONE MECHANICAL SCREENLESS

Main data
Romset and name:
depthch Depthcharge
Manufacturer:
Gremlin
Year:
Genre:
Shooter
Category:
Shooter / Gallery
Serie:
-
Driver source:
Language:
English
Similar games:
Input / Controls
Players:
Only one supported (solo)
Input:
Joystick 2 ways (horizontal)
Buttons / keys:
Coins:
Cabinet:
-
Free-play:
Not supported
Rankings
Avarage user rating:
AntoPISA BestGame:
30 to 40 (Amendable)
MASH All-Time:
Video
Display:
256x224@60 Hz, CRT 15kHz
Orientation:
Horizontal
Scrolling:
Unknown
Colors:
Black & White
CPU:
Intel 8080
Audio
Sound:
Audio chips:
Samples, Speaker
Romset
First release:
Mame 0.33b5 released on jun-10 1998
Last release:
Mame 0.210 released on may-30 2019
Clone of:
-
Clones:
Bios:
Not required
Use rom of:
-
Use sample of:
depthch Depthcharge
Previous romset:
None
New romset:
None
Files
Dump:
GOOD
Required files:
Status
OVERALL:
IMPERFECT
Emulation:
Good
Graphic:
Good
Color:
Good
Sound:
Imperfect
Cocktail:
-
Protection:
Good
Save state:
Supported
Additional infos
  • History
  • Info
  • Score
  • PCB
  • Commands
  • Init
  • Driver
  • XML
  • This Arcade Video game was published 42 years ago:

    Depthcharge © 1977 Gremlin.

    Depthcharge is a 2-Dimensional shooter. You control your destroyer on the surface of the water while submarines patrol underneath. Your job is to drop depth charges to eliminate these submarines. The submarines aren't defenseless as they launch mines straight up toward your ship.

    Depthcharge was one of the early video games. Action was simple. This game also had the ability to retain the highest score (without the initials of course). Although the game is simple in concept, just trying to get enough points was enough to keep you working at it. Good luck on your submarine hunting mission.

    TECHNICAL
    BOARD # 814-0002
    Prom stickers: 50-55

    Main CPU: Intel 8080 (@ 1.93356 Mhz)
    Sound Chips: Discrete circuitry

    Screen orientation: Horizontal
    Video resolution: 256 x 224 pixels
    Screen refresh: 60.00 Hz
    Palette colors: 64

    Players: 1
    Buttons: 4 (LEFT, RIGHT, FIRE LEFT, FIRE RIGHT)

    TRIVIA
    Depthcharge was released during September 1977.

    This game is also known as "Sub Hunter" (Taito).

    Martin Bedard holds the official record for this game with 4,770 points on November 18, 2007.

    SCORING
    Scoring in this game is pretty simple:
    • Submarines will have their score posted on their hull. The submarine scores are from 10 to 90 incrementing in 10's. For example, if you see 40 on the submarine, then that submarine is worth 40 points.
    • Generally speaking, the lower in depth the submarine is, the higher the value for the submarine.
    • You get 90 seconds on the timer to do as much damage as possible. If you score 500 points or greater, you will get an additional 45 seconds for overtime.
    • After you are totally done, you get 30 points for each submarine killed. You do not lose points for losing your ship although it takes about 2 seconds to get a new one.

    TIPS AND TRICKS
    • When you start the game, your destroyer will be in the middle of the water. You will start seeing submarines entering the screen either from the left or right and at varying depths. You have a total of 6 depth charges that can be on the screen at any one time. This means if you fire all 6, then you have to
    wait until one detonates on a submarine or the bottom of the sea before you get them back.

    • Try to aim your shots to where the submarine will be at. This is, in a sense, ''leading'' the submarine. This is especially important if you are trying to get those submarines at the bottom of the sea.
    • Always try to keep at least 2 depth charges in reserve. This is for those submarines that are close to the surface that like to throw mines you cannot avoid.
    • Try to keep moving around in your destroyer. If you sit in one place, the submarines can put mines on either side of your ship and prevent you from escaping and adding a destroyer to their kills.
    • Don't fire your depth charges too close together on one side. The reason is if a submarine is killed by one of them and the other one is too close, it will also detonate. If you were aiming at another submarine with the second one, then your shot is wasted.
    • In addition to the mines themselves being dangerous, your ship can also be sunk by the effects of the mines. Don't sit too close when a mine detonates or you will be at the bottom of the sea.
    • If you ''walk'' your shots you have a better chance of getting a good spread and taking out multiple submarines. Kind of like leaving a diagonal string of depth charges the submarines must pass through. Plus, you don't lose your other depth charges to the detonation of ones around them.
    • Try to get the 500 required for extra time, it isn't too hard if you play smartly.

    PORTS
    • COMPUTERS:
    Noval 760 (1977)
    Commodore C64 (1983)
    Apple II

    CONTRIBUTE
    Edit this entry: https://www.arcade-history.com/?&page=detail&id=622&o=2
    Informations provided by © Alexis Bousiges
    Informations provided by Contribute to the translation
  • Informations provided by
    Informations provided by / © Copyright of Fujix
  • Informations provided by
  • Informations provided by
  • Informations provided by Fabricio Coroquer, revisited from the work of
  • Informations provided by Contribute
  • Informations provided by
  • Informations provided by
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If you notice any inaccuracy or error, please report

Data updated on may 30 2019


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depthch
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Depthcharge
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