Make compatible with both libnx v2.0.0 and v1.6.0

source/Common.hpp

@@ -24,6 +24,9 @@
 
 #include <switch/types.h>
 
+#define FB_WIDTH  1280
+#define FB_HEIGHT 720
+
 #define GREEN   RGBA8_MAXALPHA(0, 0xff, 0)
 #define RED     RGBA8_MAXALPHA(0xff, 0, 0)
 #define CYAN    RGBA8_MAXALPHA(0, 0xff, 0xff)
@@ -61,6 +64,9 @@ namespace Common {
     // print exit
     void wait_to_exit();
 
+    // refresh display
+    void update_display();
+
     void sha256(const u8 *data, u8 *hash, size_t length);
     // reads "<keyname> = <hexkey>" and returns byte vector
     byte_vector key_string_to_byte_vector(std::string key_string);