Frog (c) 1981.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 3.072 Mhz)
Sound CPU : Z80 (@ 1.78975 Mhz)
Sound Chips : AY8910 (@ 1.78975 Mhz)
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.61 Hz
Palette colors : 99
Players : 2
Control : 4-way joystick

>>> TRIVIA
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This version of 'Frogger' also exists on the 'Galaxian' hardware.
- SCORING -
Forward Hop : 10 points (max points per home is 100).
Frog Safely Put in Home : 50 points.
Completing a Level : 1000 points.
Bringing a Frog to Your Home : 200 points.
Eating a Fly : 200 points.
You also get a time bonus of 10 x the remaining seconds added to your score.

>>> OTHER GAME RESOURCES
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Game's rom.
Machine's picture.