Second part of Video

digikey tutorials/part 3/Full Adder/Full Adder.pcf

@@ -0,0 +1,10 @@
+#LEDs
+set_io      led[0]  99
+set_io      led[1]  98
+set_io      led[2]  97 
+set_io      led[3]  96
+set_io      led[4]  95
+
+#PMOD I/0
+set_io      -pullup yes pmod[0] 78
+set_io      -pullup yes pmod[1]  79

digikey tutorials/part 3/Full Adder/Full Adder.v

@@ -0,0 +1,21 @@
+// module: button 0 lights up 2 leds, button 0 and 1 light up another
+
+module full_adder (
+    // Inputs
+    input      [1:0]    pmod,
+
+    // Outputs
+    output      [3:0]    led
+);
+
+    // Wire (net) declarations (internal to module)
+    wire not_pmod_0;
+
+    // Continous assignmen:replicate 1 wire to 2 outputs
+    assign not_pmod_0 = ~pmod[0];
+    assign led[1:0] = {2{not_pmod_0}};
+
+    // Continuous assignment: NOT and AND operators
+    assign  led[2] = not_pmod_0 & ~pmod[1];
+
+endmodule

digikey tutorials/part 3/and_gate.pcf

@@ -1,6 +1,10 @@
 #LEDs
-set_io      led_0   99
+set_io      led[0]  99
+set_io      led[1]  98
+set_io      led[2]  97 
+set_io      led[3]  96
+set_io      led[4]  95
 
 #PMOD I/0
-set_io      -pullup yes pmod_0 78
-set_io      -pullup yes pmod_1  79
+set_io      -pullup yes pmod[0] 78
+set_io      -pullup yes pmod[1]  79

digikey tutorials/part 3/and_gate.v

@@ -1,15 +1,21 @@
-// Modeule: when buttons 1 and 2 are pressed, turn on LED
+// module: button 0 lights up 2 leds, button 0 and 1 light up another
 
 module and_gate (
     // Inputs
-    input      pmod_0,
-    input      pmod_1,
+    input      [1:0]    pmod,
 
     // Outputs
-    output      led_0
+    output      [3:0]    led
 );
 
-    // Continuous assignment: not and and operators
-    assign led_0 = ~pmod_0 & ~pmod_1;
+    // Wire (net) declarations (internal to module)
+    wire not_pmod_0;
+
+    // Continous assignmen:replicate 1 wire to 2 outputs
+    assign not_pmod_0 = ~pmod[0];
+    assign led[1:0] = {2{not_pmod_0}};
+
+    // Continuous assignment: NOT and AND operators
+    assign  led[2] = not_pmod_0 & ~pmod[1];
 
 endmodule