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Digger - MAME machine

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GAME SYSTEM CHD BIOS DEVICE PARENT CLONE MECHANICAL SCREENLESS

Main data
Romset and name:
digger Digger
Short name:
Digger
Manufacturer:
Year:
Genre:
Category:
Maze / Collect
Serie:
-
Driver source:
Language:
English
Similar games:
Input / Controls
Players:
Only one supported (solo, 2 alternates)
Input:
Joystick 4 ways
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, ruotato di 270°, CRT 15kHz
Orientation:
Vertical
Scrolling:
Unknown
Colors:
-
CPU:
Zilog Z80
Audio
Sound:
-
Audio chips:
Romset
First release:
Mame 0.34b1 released on aug-16 1998
Last release:
Mame 0.225 released on sep-30 2020
Clone of:
-
Bios:
Not required
Use rom of:
-
Use sample of:
-
Previous romset:
None
New romset:
None
Files
Dump:
GOOD
Required files:
Status
OVERALL:
PRELIMINARY
Emulation:
Good
Graphic:
Good
Color:
Good
Sound:
Preliminary
Cocktail:
-
Protection:
Good
Save state:
Supported
Additional infos
  • History
  • Info
  • Score
  • PCB
  • Commands
  • Init
  • Driver
  • XML
  • Arcade Video game published 40 years ago:

    Digger © 1980 Gremlin Ind.

    Digger is a game that requires you to dig strategically placed holes within a maze format so you can capture and fill in over the invading creatures before they can attack and destroy your man. The maze format changes with every round played.

    The creatures are confined behind a wall. In the first of three rounds of game play, four creatures are let out of the holding area through a gate. You must conquer these four before advancing to the next round, where you face six creatures. Your third round has you battling eight creatures. This process is repeated and the point value increased with each three-round victory. Also, creatures' speed increases each round. Any contact at all with the creatures will be fatal to your man.

    While you are busy digging holes and entrapping creatures, the rest are behind the retaining wall scurrying back and forth. After about three minutes, the gates at each end will open and all of the remaining creatures will stream into the play area at once. However, a skillful player will conquer all of the creatures of each round and the gate will not be a threat.

    TECHNICAL
    Game ID: 684-691

    Main CPU: Zilog Z80 (@ 1.93356 Mhz)

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

    Players: 2
    Control: 4-way joystick
    Buttons: 2
    → [A] DIG, [B] FILL

    TRIVIA
    Digger was released in June 1980.

    A hidden message can be found in ROM chip 691.u20, starting at 0x19E:
    WRITTEN BY DAVID L. EVANS, 4535 TAFT AVENUE, LA MESA, CALIF. 92041
    AND BEAT OUT ON THE KEYBOARD OF A NOVAL 765!
    THANK YOU TERRY, BARBARA, CRAIG AND LARRY FOR SOME DEBUGGED SUBROUTINES...
    JUNE 25, 1980 GREMLIN/SEGA INC.

    SCORING
    The point value per creature increases with each three-round phase.
    The first phase awards 300 points per creature, decreasing to 100 points if not filled over promptly.
    The second phase awards 500 points per creature, decreasing to 300 points.
    The third phase awards 700 points, decreasing to 500 points.

    TIPS AND TRICKS
    • A double score bonus is awarded if you capture and fill in over the RED creature before any of the GREEN ones. But, this must be the FIRST creature defeated, or the RED creature becomes GREEN and no bonus is awarded.
    • A 1000 points bonus is given if you capture four creatures in a row at full point value during any one round.
    • When a creature is captured, 8 squeaking sounds are heard before the creature escapes from the hole. 5 squeaks are required to cover a creature, so you must hurry to the hole and Fill before the 4th squeak, or the creature will emerge and devour your man.

    STAFF
    Written by: David L. Evans

    CONTRIBUTE
    Edit this entry: https://www.arcade-history.com/?&page=detail&id=639&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 october 3 2020


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digger
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Digger
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