pokecrystal/home/sine.asm

23 lines
258 B
NASM
Raw Normal View History

Cosine:: ; 1b0f
2013-09-03 22:40:12 +00:00
; Return d * cos(a) in hl
add $10 ; 90 degrees
Sine:: ; 1b11
2013-09-03 22:40:12 +00:00
; 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