According to the disassembled code, sonic2-w.68k is a . How It Works Standard Sonic games use a "single-threaded" loop: Move Sonic, check collisions, draw sprites, play music, repeat. This is fast, but rigid.
We know the SVP made it into Virtua Racing . But sonic2-w.68k contains commented-out I/O calls for a secondary DSP. The code attempts to offload water distortion math to a co-processor. sonic2-w.68k
The "W" might actually stand for