Refactor common functionality into zelda3 namespace; remove references to core::common

src/app/zelda3/hyrule_magic.h

@@ -0,0 +1,36 @@
+#ifndef YAZE_APP_ZELDA3_HYRULE_MAGIC_H
+#define YAZE_APP_ZELDA3_HYRULE_MAGIC_H
+
+#include <cstdint>
+#include <cstring>
+#include <string>
+#include <vector>
+
+#include "absl/strings/str_cat.h"
+#include "absl/strings/str_format.h"
+
+namespace yaze {
+namespace zelda3 {
+/**
+ * @brief Store little endian 16-bit value using a byte pointer, offset by an
+ * index before dereferencing
+ */
+void stle16b_i(uint8_t *const p_arr, size_t const p_index,
+               uint16_t const p_val);
+
+void stle16b(uint8_t *const p_arr, uint16_t const p_val);
+
+/**
+ * @brief Load little endian halfword (16-bit) dereferenced from an arrays of
+ * bytes. This version provides an index that will be multiplied by 2 and added
+ * to the base address.
+ */
+uint16_t ldle16b_i(uint8_t const *const p_arr, size_t const p_index);
+
+// Load little endian halfword (16-bit) dereferenced from
+uint16_t ldle16b(uint8_t const *const p_arr);
+
+}  // namespace zelda3
+}  // namespace yaze
+
+#endif  // YAZE_APP_ZELDA3_HYRULE_MAGIC_H