Ha ha, hi friend! Yes, it was your awesome synth I am recalling. How are you doing? And thanks for this distillation of how the sound code worked. You're name-checked in the YouTube video linked in this thread.
Yeah, and to your point, I liked the comment on the linked site:
"The crudeness and lack of bounds checking of the program allowed for mathematical wraparound and error accumulation that sounded ethereal."