pong game

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PONG GAME
Owais Ibrahim Akram Mohsin Murad
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InTRODUCTION
PONG GAME

• ONE OF THE BASIC ATTARI GAMES.
• THE PONG GAME CONSISTS OF A BALL RANDOMLY
  BOUNCING ON THE SCREEN.
• A PADDLE AT THE BASE ENABLES THE USER TO MAKE
  THE BALL BOUNCE BACK UP.

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requirements
PONG GAME

• MULTISYNC VGA MONITOR SUPPORTING 640X480
  RESOLUTION.
• XILINX SPARTAN-3 FPGA KIT.
• TWO ONBOARD PUSH BUTTONS TO CONTROL PADDLE
  MOVEMENT.
• 50MHZ OSCILLATOR.

vga_h_sync , vga_v_sync , vga_R , vga_G , vga_B
PUSH BUTTONS quadA , quadB
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dRIVING The Vga monitor
PONG GAME

• A VGA MONITOR
• REQUIRES 5 SIGNALS TO
• DISPLAY A PICTURE
• R,G B (THE RED, GREEN AND BLUE SIGNALS).
• HS VS (THE HORIZONTAL AND VERTICAL
  SYNCRONIZATION).

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MODULES USED
PONG GAME

• GENERATING R,G B SIGNALS.
• CLOCK DIVIDER.
• VIDEO GENERATOR
• DRAWING THE PADDLE
• DRAWING THE BALL

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DRAWING THE PADDLE
PONG GAME

• TWO ONBOARD PUSH BUTTONS FOR MOVING THE PADDLE
  LEFT OR RIGHT.
• 50HZ CLOCK REQUIRED FOR SCANNING THE PUSH
  BUTTONS.
• 6 CLOCK DIVIDER MODULES EACH DIVIDING THE
  CLOCK BY 10 (50MHZ/1000000HZ50HZ).
• IF quadA IS PRESSED THEN
• PaddlePosition PaddlePosition 1
• IF quadB IS PRESSED THEN
• PaddlePosition PaddlePosition 1
• PaddlePosition PaddlePosition /- 25
  FOR FASTER MOVEMENT.

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DRAWING THE BALL
PONG GAME

• 16X16 PIXELS SQUARE.
• RANDOM COLLISIONS.
• 4 HOT SPOT PIXEL, ONE IN THE MIDDLE OF EACH
  SIDE OF THE BALL.
• IF THE BALL DRAWS ITS HOTSPOT AT THE SAME
  TIME THE PADDLE OR BORDER DRAWS ITSELF, WE SAY
  THERE IS A COLLISION ON THAT SIDE.

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pROBLEMS eNCOUNTERED
PONG GAME

• THE ORIGINAL CODE USED NON PS/2 MOUSE FOR
  PADDLE MOVEMENT.
• CD4093 IC WASNT AVAILABLE.
• THE PADDLE WAS UNCONTROLLABLE WHEN WE USED
  TWO PUSH BUTTONS AND 50MHZ CLOCK.
• RESTRICTED MOVEMENT OF PADDLE.

The original setup used Pluto fpga board with
25MHz internal crystal and a modified mouse to
control the paddle movement
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THANK YOU