8 - FROGGER Nathan Vantzelfde Cory Zue 6.111 Final Project...

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FROGGER Nathan Vantzelfde Cory Zue 6.111 Final Project
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Basic Block Diagram reset Joystick G am eplay Unit Video Unit Television enable clk item_type item _location
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Gameplay Unit ± Accepts user input from joystick ± Updates frog position based on input ± Moves other objects (cars, logs, turtles) based on current velocity ± Tests for collisions between the frog and the walls or other objects ± Outputs objects and locations to the video unit
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User Interface Synchronizer Joystick Interpreter down right left up ± Syncs joystick input to system clock ± Interprets input into four bits used to control the frog ± Atari joystick has 5 pinouts (N,S,E,W, fire button) that are forced low when a direction is pressed Standard Atari Joystick
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Frog Register ± Small FSM to control frog ± Accepts directional inputs from interpreter ± Updates frog location when enabled Divider Frog Register enable frog location down right left up
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Gameplay FSM GAMEPLAY FSM item_type Object SRAM addr data we q frog location
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This note was uploaded on 07/21/2009 for the course EECS 6.111 taught by Professor Prof.ananthachandrakasan during the Spring '04 term at MIT.

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8 - FROGGER Nathan Vantzelfde Cory Zue 6.111 Final Project...

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