Kinda off topic, but what is BS Zelda? Isn't it a re-released version of the original LoZ with better GFX?
Nope, it's actually a different game running on a similar engine to LoZ, with better graphics.
HOWEVAH, different people have made LoZ remakes using BS graphics for Zelda Classic.
[
link] - LoZ remake with BS graphics in Zelda Classic, by Phantom Menace
[
link] - updated LoZ remake with BS graphics in Zelda Classic, also includes Quest 2, by Radien