ref: eb1e3636bb71509546c274bf2a5910d8e71a9600
parent: 376c64468bab8d162da43fc6e1b6f0942943cf43
author: Rangi <remy.oukaour+rangi42@gmail.com>
date: Sat Aug 25 10:28:22 EDT 2018
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld