@sammyboy I wish I had an answer. I saw your other post about a DIY 14 way. Not sure everyone knows that terminology, but it is a fascinating idea. I know a lot of people in the mechanical keyboard world who use a teensy and open source software to build mech keyboards, but that does not solve for your analog needs. I am surprised someone hasn't tried to do this before. If you could pull it off in a small enough form-factor you could have a sellable project kit.
@larry-bell Although this has nothing to do with RetroPie, the error comes from an older/outdated OpenSSL library on your system.
When curl tries to download the file from raw.githubusercontent.com, it cannot understand the encryption protocol the site uses.
TL;DR - update/upgrade your system. On a stock RetroPie image (which is based on Raspbian Jessie), kept up-to date, the command you're trying to run works without problems. The versions for cURL/OpenSSL are shown in the output of the curl -V command:
@davidstone83 If you are using lr-mame2003 and you have configured your keyboard and controller correctly in emulation station then select should be coin and start should be start. These are the default buttons for RetroArch emulators. It sounds to me like you have borked something or you are using a third party image.