Minor changes

src/keypad.c

@@ -26,3 +26,14 @@ int KeypadIsPressed(unsigned char c){
   }
   return 0;
 }
+
+int KeypadGetPressed(){
+  int keycode=GetKeyPressed();
+  if(keycode){
+    for(int i=0;i<16;i++){
+      if(map[i]==keycode)
+        return 1;
+    }
+  }
+  return -1;
+}

src/keypad.h

@@ -3,4 +3,5 @@
 #include "raylib.h"
 
 int KeypadIsPressed(unsigned char c);
+int KeypadGetPressed();
 

src/vcpu.c

@@ -220,7 +220,13 @@ void VCPUExecute(){
       break;
       
     case 0x0A:
-      // TODO
+      int key=KeypadGetPressed();
+      if(key >= 0){
+        State.V[State.X]=key&0x0F;
+      }
+      else
+        State.PC-=2; // Go back to last instruction (loop until key is pressed)
+        
       break;
       
     case 0x15: // Set timer