ref: e4e0af4d6713161d46cc0a1d580645ca40d6fa81
parent: 7e92d5ba8c7d7c255a49bce76239ec12d6398cef
author: Rangi <remy.oukaour+rangi42@gmail.com>
date: Fri Jul 3 21:00:45 EDT 2020
Remove remaining raw $xxxx values, and replace "+ -1" with "- 1" (supported by rgbds 0.4.0)