ECE 448 Lab 6 VGA Display mini chess game Video Graphic Array VGA Resolution 640x480 Display 16 colors 4 bits 256 colors 8 bits Refresh Rate 25Hz 30Hz 60Hz frames second RGB Red Green and Blue colors Monitor technology Cathode Ray Tube CRT VGA 15 Pin VGA Monitor 0 639 0 Horizontal Flyback Vertical Flyback 479 Horizontal Trace VGA Control Signal Timing Resolution 640x480 25 6 us 26 24 us 30 08 us 32 us 15 36 ms 15 68 ms 15 744 ms 16 8ms VGA Control Signal Timing Frequency 25Mhz 640 clock cycles Resolution 640x480 656 clock 26 24 us cycles 30 08 752 clock us cycles 32 us 800 clock cycles 480 lines 490 lines 492 lines 525 lines PINs on Board NET HS LOC J14 DRIVE 2 PULLUP NET VS LOC K13 DRIVE 2 PULLUP NET OutRed 2 LOC F13 DRIVE 2 PULLUP NET OutRed 1 LOC D13 DRIVE 2 PULLUP NET OutRed 0 LOC C14 DRIVE 2 PULLUP We do not use this pin NET OutGreen 2 LOC G14 DRIVE 2 PULLUP NET OutGreen 1 LOC G13 DRIVE 2 PULLUP NET OutGreen 0 LOC F14 DRIVE 2 PULLUP We do not use this pin NET OutBlue 2 LOC J13 DRIVE 2 PULLUP NET OutBlue 1 LOC H13 DRIVE 2 PULLUP Color Generator External Control x pixel 12 10 y pixel Color Generator RGB color code 6 2 bits for Red component 2 bits for Green component 2 bits for Blue component Output can be generated on the fly or read from a precomputed look up table stored in BRAM Task 1 Displaying chessboard 2pts single person 1 5pts teams 60 lines 80 pixels Color 1 Color 2 Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Task 2 Displaying piece on the chessboard 2pts single person 1 5pts teams Circle represents a bishop 60 lines 80 pixels Square represents a rook Color 1 Color 2 Color 3 Piece Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Button 2 cycle through 16 colors for color 3 Task 3 Moving piece one space on the chessboard rook selected 60 lines 80 pixels Color 1 Color 2 Color 3 Piece Switch 7 0 Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Button 2 cycle through 16 colors for color 3 Switch 7 1 Button 0 Move piece one square up Button 1 Move piece one square down Button 2 Move piece one square left Button 3 Move piece one square right Task 3 Moving piece one space on the chessboard bishop selected entire task 3 2pts single person 1 5pts teams 60 lines 80 pixels Color 1 Color 2 Color 3 Piece Switch 7 0 Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Button 2 cycle through 16 colors for color 3 Switch 7 1 Button 0 Move piece diagonally to the upper left Button 1 Move piece diagonally to the upper right Button 2 Move piece diagonally to the lower left Button 3 Move piece diagonally to the lower right Task 4 Moving piece multi spaces on the chessboard rook selected 60 lines 80 pixels Color 1 Color 2 Color 3 Piece Switch 7 0 Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Button 2 cycle through 16 colors for color 3 Switch 7 1 Button 0 Move piece one square up Button 1 Move piece one square down Button 2 Move piece one square left Button 3 Move piece one square right Task 4 Moving piece multi spaces on the chessboard bishop selected 4 2pts bonus single person 1 5pts required for teams 60 lines 80 pixels task entire Color 1 Color 2 Color 3 Piece Switch 7 0 Button 0 cycle through 16 colors for color 1 Button 1 cycle through 16 colors for color 2 Button 2 cycle through 16 colors for color 3 Switch 7 1 Button 0 Move piece diagonally to the upper left Button 1 Move piece diagonally to the upper right Button 2 Move piece diagonally to the lower left Button 3 Move piece diagonally to the lower right Task 5 2pts bonus single person 1 5pts bonus for teams Add a Knight to the possible pieces if switch 3 1 Use the buttons however you see fit to allow the knight to move in the 8 legal ways Rules If a movement cannot be done e g the move would cause the piece to go off the board LED 7 should light up and the piece should not move from its previous location Other than LED 7 all led and Seven Segment displays can be used to print out any information on the state of the execution Switch functions Switches 0 1 determine current task 00 task 1 01 task 2 10 task 3 11 task 4 or 5 Switches 2 and 3 determine the type of piece selected Sw 3 0 sw 2 selects between bishop 0 and rook 1 1 piece is a Knight task 5 Switch functions continued Switches 4 6 determine movement amount in tasks 4 and 5 Switch 7 selects between change color mode and move piece mode If sw 7 0 then up down buttons change only the color If sw 7 1 then the buttons give the direction of the movement Button Functions Button 0 up or upper left Button 1 down or upper right Button 2 left or lower left Button 3 right or lower right
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