Ping Pong Game in 8086 Assembly Language
The PONG Game
Install DOSBox 0.74 in your system
Create a folder named 8086(or any other name) in your C drive
Running the game
-> open DOSBox 0.74.exe
Run the followig commands:
-> mount c C:\8086
-> masm PONG; Press enter 3 times
-> link PONG; Press enter 3 times
-> PONG
Playing the Game:
● Controlling the left paddle : Press 'w' or 'W' to move UP and 's' or 'S' to move DOWN.
● Controlling the right paddle : Press 'o' or 'O' to move UP and 'l' or 'L' to move DOWN.
● The ball will bounce back after colliding with any paddle or the top and bottom walls of the screen.
● If the ball strikes the left or right wall of the screen it will start from the center of the screen.
● It can be played by two people or only one person.
Quitting the Game:
● Press 'Esc' key to exit the game and go back to DOS.
Important functions and Interrupts used in the game:
Clearing the screen:
● Interrupt used - INT 10H
● INT 10h and AH = 00h - Set Video Mode
● AL = 13h 320x200 256 color graphics (MCGA,VGA) - THIS IS THE VIDEO MODE USED
Drawing a Pixel:
● Interrupt used - INT 10H
● AH = 0Ch - set the configuration to writing the pixel
● AL = 0Fh - choose white as color of the pixel
Checking Input from Keyboard:
● Interrupt used INT 16H - Keyboard BIOS Services
● AH = 01h - check if any key is being pressed (if not check the other paddle)
● AH = 00h - check which key is being pressed (AL = ASCII Character)
Moving the Paddles and Balls:
● The velocities are added to the current positions of the paddles and the balls
● the screen is cleared after the above operation for avoiding the formation of trails