New build scripts. All issues above (and some on the way to those) resolved. No longer using pulseaudio but using allegro and it sounds so much better.
Window mode not the best, as rescaling issue with the code, but pretty good at x5 fullscreen, also the ESC to the XU4 menu not working either. Will continue to look at this, but game runs and is playable (just turn off the music) :)
Thanks to the wonders of Claude Fable 5, I was able to get the original build converted across to macOS on Apple Silicon; built for Tahoe and running on a MacBook Neo. You need to install Homebrew for macOS to get some of the ported Linux libraries over to macOS, and it is depdendent on the brew pulseaudio service for sound. You need to run "brew services start pulseaudio" once app installed. Other depdencies for the build is that you also need Xcode command line installed (and to be sure install...