Joker, I think DarkexSS is like a nickname he likes, not a misspelling of "DarkerSS"...
You sadly cannot convert MP3 to SMPS. Besides, the sound clip would take up a lot of cartridge space!
Oh, I forgot to mention, the music in the current version is actually a place holder. Me and another composer are working on new mixes for Green Hill.
So I'm looking at the Sonic 1 Github Disasm and I see these values at the top of sonic.asm:
EnableSRAM: equ 0 ; change to 1 to enable SRAM...
Ooh! Nice Sonic sprites! Reminds me of Sonic 2 Anniversary Edition's Sonic!
I think I have a sort-of tutorial. (For github disasm)
HOW TO CHANGE YOUR ROM'S HEADER
Very simple. Look for these lines in Sonic.asm:...
Separate names with a comma.