Lab 4

Hex Calculator (Pmod KYPD)

1. Create a new RTL project "hexcalc" with three new source files called keypad, leddec16, and hexcalc and constraint file hexcalc

2. Run synthesis, run implementation and open implemented design, generate bitstream, open hardware manager, and program device

3. On the keypad enter a multi-digit hex number, press the “+” key (BTNU), enter the second operand and press the “=” key (BTNL) . The value of the sum of the operands appears on the display

4. Modify the leddec16 module to perform leading zero suppression

5. Expand the calculator to also do subtraction operations: button BTND is the “–” key