Hello, I forked from mame repository, made some changes, compiled and tested. I would like to open a pull request, but I realized that I did not create a new branch in my repository (my branch is still "master"). Is it important ? If so, what should I do ? Also, wich IDE should I use for d...

Hello, I am implementing the possibility to save gfx sets to PNG. Based on hitchhikr and SteveMoody's work for previous version of Mame (0.128), you'll find a the original discussion here: https://eab.abime.net/showthread.php?t=41610 So far, I am able to save the currently displayed gfx set using th...