I’d managed to get colour working on the GBC using GDBK-2020 but for some reason I ran into a mental block setting the map attributes. I also had trouble exporting the palette and map attributes from the popular Game Boy Tile Designer (GBTD) and Game Boy Map Builder (GBMB). Source code from this post is on GitHub at rprouse/GBC-Samples. I won’t go into detail on using GBTD and GBMB, but I will highlight some of the export settings that I found non-intuitive. Game Boy Tile Designer Start by setting the Color set to Game Boy Color then editing the Palettes…...