Modified for interactivity

Added peek_key and clear_strobe so that an interrupt key can be
probed by main loop

keyboard.cpp

@@ -128,6 +128,18 @@ void stop_keyboard()
     }
 }
 
+bool peek_key(char *k)
+{
+    if(strobe)
+        *k = last_key;
+    return strobe;
+}
+
+void clear_strobe()
+{
+    strobe = false;
+}
+
 void poll_keyboard()
 {
     int i;

keyboard.h

@@ -16,4 +16,10 @@ unsigned char get_keyboard_data_and_strobe();
 // Clears the strobe and pretends that no keys are down.
 unsigned char get_any_key_down_and_clear_strobe();
 
+// Peek at the current key
+bool peek_key(char *k);
+
+// Peek at the current key
+void clear_strobe();
+
 #endif /* _KEYBOARD_H_ */