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Frogs

  1. Game infos
  2. Sound
  3. Driver
  4. Inputs
  5. Controls
  6. Display
  7. Adjusters
  8. Configurations
  9. Dipswitchs
  10. Roms list
  11. Chips list
  12. Samples list
  13. Categories
  14. MAMEinfo
  15. History
Download frogs.zip (9 KB)
Snapshot

Game infos

Description Frogs
Name frogs
Manufacturer Gremlin
Year 1978
Runnable yes
System arcade /
Number of players 1P
Added to MAME .034b02
Romset size 9 KB
Romset file 10 files
Romset zip 6 B
Language English
Evaluation 50 to 60 (Not Good Enough)
Genre Platform

Sound infos

Sound_channels 1

Driver infos

Driver status imperfect
Driver emulation good
Driver color good
Driver sound imperfect
Driver graphic good
Driver cocktail
Driver protection
Driver savestate yes

Inputs infos

Input service no
Input tilt no
Input players 1
Input buttons
Input coins 1

Controls infos

type ways minimum maximum sensitivity keydelta reverse
joy 3 (half4) no

Display infos

type rotate flipx width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart
raster 0 no 256 224 60 5156160 328 0 256 262 0 224

Configuration

name tag mask
Wire pin 3/28: Coinage
Name 1 Coin/1 Credit
Value 64
Default yes
Name 2 Coins/1 Credit
Value 0
Default no

IN0
64
Wire pin 4/27: Game Time
Name 60
Value 0
Default no
Name 90
Value 32
Default yes

IN0
32
Wire pin 5/26: Allow Free Game
Name No
Value 0
Default no
Name Yes
Value 16
Default yes

IN0
16

Dipswitchs

Adjusters

name default
Zip Volume 50

Roms list

console name bios size crc md5 merge sha1 region offset status optional
arcade 316-0042.u88 32 a1506b9d 037c3db2ea40eca459e8acba9d1506dd28d72d10 user1 20 good no
arcade 316-0043.u87 32 e60a7960 b8b8716e859c57c35310efc4594262afedb84823 user1 0 good no
arcade 316-112a.u41 1024 0be2a058 271f3b60cba422fff7e782fda198c3897c275b46 maincpu 1c00 good no
arcade 316-113a.u42 1024 02786692 8a8937fd92beecf1119fe3f6b41a700725412aa1 maincpu 1800 good no
arcade 316-114a.u43 1024 04a21853 1e84eb84d5770f54925055b748ab9ca2aa72c1cc maincpu 1400 good no
arcade 316-115a.u44 1024 3d4e4fa8 4655c4922328837af410cb298e0c296ae0099591 maincpu 1000 good no
arcade 316-116b.u45 1024 09b82619 1063e268138b4ff6a8037d8d1a0816c34bbac690 maincpu c00 good no
arcade 316-117a.u46 1024 8a5be424 ed8a09b4318929b83118f87e2da601028349f2bd maincpu 800 good no
arcade 316-118a.u47 1024 12fdcc05 06c6d17edec9fb03f46514c1f6c5d8c420ef4d05 maincpu 400 good no
arcade 316-119a.u48 1024 b1d1fce4 572015bede39b14526e93919b63b6d01ae38a09a maincpu 0 good no

Chips list

name tag type clock
DISCRETE discrete audio
Samples samples audio
Speaker mono audio
Z80 maincpu cpu 1933560

Samples list

name
boing
buzzz
croak
hop
splash
zip

Categories

MAMEinfo

0.34b2 [Nicola Salmoria]


Artwork available

Samples required


WIP:

- 4th January 2014: Mr. Do - The LAY file for Frogs artwork changed.

- 0.147u2: hap changed Frogs settings from DIPSETTING to CONFSETTING.

- 0.129u5: Phil Bennett fixed debug assertion in Frogs.

- 0.128u3: Aaron Giles fixed Frogs, which exit with an error after taking a screenshot.

- 0.113u3: Added user1 proms ($0, 20 - timing). Fixed rom names.

- 12th November 2006: Mr. Do - Frogs artwork is now MUCH more acceptable, thanks to the beautiful photos from Yaggy, and extra clean-up by Ad_Enuff.

- 4th August 2006: Mr. Do - Converted Frogs artwork from MAME.net.

- 0.89u2: Update to Frogs to allow discrete sound to be used for tongue with samples for non-simulated sounds [Derrick Renaud]. Re-added Discrete sound.

- 0.89u1: Derrick Renaud modified samples handling so the fly movement can be simulated. Also the long croak for a free game is simulated. Modified Frogs driver to only use samples when actually needed. Added new 'buzzz' and 'croak' sample.

- 0.89: Derrick Renaud removed discrete tongue sound and added Twisty's samples. The buzz sound of flys is constant because it can't be emulated properly until full discrete support is added. Added Samples sound (hop, boing, zip, croak, buzzz and splash.wav).

- 0.88u2: Derrick Renaud added discrete "tongue" sound effect to Frogs. Added to DISCRETE_555_ASTABLE an option to use quick charge diode and modified DISCRETE_555_CC to discharge cap due to natural losses if there is no charging current. This makes it more accurate then the current perfect cap that will retain a charge forever (this will all be needed for Frogs).

- 0.74u1: Robin Merrill fixed Frogs to use a proper 3-way joystick instead of the previous incorrect setup that had a 2-way joystick with an extra button.

- 0.37b7: Removed Samples sound.

- 0.36b7: Added 'Demo Sounds' dipswitch.

- 0.34b2: Nicola Salmoria added 'Frogs' (Gremlin 1978).


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History


Arcade Video game published 41 years ago:

Frogs (c) 1978 Gremlin.

You're a frog on a lily pad and there's flies and insects flying around you. Jump and stick out your tongue to catch these critters. A dragonfly comes out towards the end of your game, if you catch the Dragonfly you get a free game.

- TECHNICAL -

BOARD # 821-0001
PROM STICKERS : 112-119

Main CPU : Zilog Z80 (@ 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
Control : 4-way joystick
Buttons : 1

- TRIVIA -

Frogs was released in October 1978.

- SCORING -

Butterfly : 100 points
Housefly : 500 points
Dragonfly : Free Game

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=880&o=2