ref: f513cdd8883336096031f91b00791864ded473f9
dir: /common/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 ld a, [hROMBank] push af ld a, BANK(_Sine) rst Bankswitch call _Sine pop af rst Bankswitch ret ; 1b1e