mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
23 lines
256 B
NASM
23 lines
256 B
NASM
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
|
|
|