Put super images at /roms/super/.
Non-super images go into roms/.
Link to additional chip-8 images and guidlines can be found at https://github.com/dmatlack/chip8/tree/master/roms Link to super chip 8 ingaes https://www.zophar.net/pdroms/chip8/super-chip-games-pack.html
Keys are mapped as such:
Original Emulator
1 2 3 C 1 2 3 4
4 5 6 D Q W E R
7 8 9 E A S D F
A 0 B F Z X C V
Interpreter is entirely based on ASMJIT to allow unique optimizations.