
Explore the top level of a tic tac toe FPGA design in VHDL, detailing the entity, inputs and outputs, debounce of five buttons, and a VGA controller setup.
Learn to implement a debounce button in VHDL that eliminates contact bounce and produces a single one-cycle pulse by slow clocking, input registration, and edge detection, with a testbench demonstration.
Implement a vga controller in vhdl for a 640x480 display with 800 by 525 timing. Generate hsync, vsync, and display enable while counting horizontal and vertical indices.
Explore the navigation finite state machine for the tic-tac-toe grid, detailing how next, previous, and start inputs move through the nine cell states and wrap around from 2,2 to 0,0.
Draws a 3×3 tic-tac-toe grid on VGA by updating RGB signals with a 25 MHz clock, starting white and drawing yellow grid lines, cross, circle, and green position square.
Iterate the nine cells with a for loop to draw the grid and compute each cell's top-left. In the current cell, render a green square with 3-pixel thickness on VGA.
Draws a green three-pixel-thick square border on the VGA screen, highlighting the current cell, and updates with a blue circle or red cross after validation.
Explore drawing on screen by using center coordinates and circle equations to render borders and crosses for each tic-tac-toe cell on a VGA display.
Learn to map tic-tac-toe top level ports to FPGA pins using a constraint file, including 100MHz clock, reset, five push buttons, and VGA outputs, with editor-based or tool-based approaches.
This course is designed to immerse you in the world of hardware engineering. It will guide you through the process of converting requirements and needs into practical and efficient designs. You will explore a lot of concepts of digital circuits such as sequential processes, counters, clock dividers, finite state machines, and VHDL coding rules and syntax.
By the end of the course, you will have a comprehensive skill set to design, implement, and test digital systems.
To achieve all of the above, we will design a Tic-Tac-Toe Game in VHDL on FPGA. Using a VGA interface, the game will be displayed on an external monitor, allowing two players to interact and play directly via push buttons through the FPGA. This project is ideal for learning about VGA controllers, state machines, FPGA IO pins, and interfacing. Thanks to two push buttons, the players can navigate through the cells of the game displayed on screen to move forward or backwards in the grid. Then, each player has a dedicated push button to validate his choice.
By the end of the course, students will have the practical skills and experience required to design, implement, and verify their own fully functional Tic-Tac-Toe game on an FPGA. This project provides a strong foundation for further FPGA and digital design ventures.
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Limited-time discount for learners:
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