ref: 2cc2f057e8a4429cc328d9f1fe578142e82cfc49 dir: /home/sine.asm/
Cosine:: ; 1b0f ; Return d * cos(a) in hl add $10 ; 90 degrees Sine:: ; 1b11 ; Return d * sin(a) in hl ; a is a signed 6-bit value. ld e, a homecall _Sine ret ; 1b1e