/**
* Read a byte from the specified NVRAM address.
- *
+ *
* @param addr The NVRAM address to read a byte from.
* @return The byte at the given NVRAM address.
*/
/**
* Write a byte to the specified NVRAM address.
- *
+ *
* @param val The byte to write to NVRAM.
* @param addr The NVRAM address to write to.
*/