See: https://projects.drogon.net/gibl for the full details. Download and install to your Linux (or other generic Unixy system with a working install of CC65 cd /tmp mkdir gibl cd gibl wget https://project-downloads.drogon.net/gibl/gibl.tgz tar xfz gibl.tgz cd gibl make Plan B for ZIP file users: cd /tmp mkdir gibl cd gibl wget https://project-downloads.drogon.net/gibl/gibl.zip unzip gibl.zip cd gibl make and at this point it will fail because you really need to read the README.TXT and PORTING.TXT files to work out how to port it to your own 6502 system... -Gordon