clean JKernel

include/JSystem/JSupport/JSupport.h

@@ -1,6 +1,8 @@
 #ifndef JSUPPORT_H
 #define JSUPPORT_H
 
+#include "dolphin/types.h"
+
 template <typename T>
 T* JSUConvertOffsetToPtr(const void* ptr, const void* offset) {
     if (offset == NULL) {
@@ -10,4 +12,12 @@ T* JSUConvertOffsetToPtr(const void* ptr, const void* offset) {
     }
 }
 
+inline u8 JSULoByte(u16 in) {
+    return in & 0xff;
+}
+
+inline u8 JSUHiByte(u16 in) {
+    return in >> 8;
+}
+
 #endif