Bootmapper Client Application for ps2avrGB (https://github.com/showjean/ps2avrU) firmware You can compile with APACHE FLEX SDK & ADOBE AIR http://flex.apache.org/installer.html vscode is good IDE for FLEX projects. Recommend plugins https://as3mxml.com/ https://marketplace.visualstudio.com/items?itemName=lonewolf.vscode-astools https://marketplace.visualstudio.com/items?itemName=neminovno.vscode-as-fx-ide