diff options
Diffstat (limited to 'asm/trig.s')
-rw-r--r-- | asm/trig.s | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/asm/trig.s b/asm/trig.s deleted file mode 100644 index 2eb9c4e88..000000000 --- a/asm/trig.s +++ /dev/null @@ -1,98 +0,0 @@ - .include "asm/macros.inc" - .include "constants/constants.inc" - - .syntax unified - - .text - - thumb_func_start Sin -@ s16 sine(s16 t, s16 amplitude) -Sin: @ 806F534 - lsls r1, 16 - asrs r1, 16 - ldr r2, =gUnknown_08329F40 - lsls r0, 16 - asrs r0, 15 - adds r0, r2 - movs r2, 0 - ldrsh r0, [r0, r2] - muls r0, r1 - lsls r0, 8 - asrs r0, 16 - bx lr - .pool - thumb_func_end Sin - - thumb_func_start Cos -@ s16 cosine(s16 t, s16 amplitude) -Cos: @ 806F550 - lsls r1, 16 - asrs r1, 16 - ldr r2, =gUnknown_08329F40 - lsls r0, 16 - asrs r0, 15 - adds r0, 0x80 - adds r0, r2 - movs r2, 0 - ldrsh r0, [r0, r2] - muls r0, r1 - lsls r0, 8 - asrs r0, 16 - bx lr - .pool - thumb_func_end Cos - - thumb_func_start Sin2 -@ s16 sine2(u16 angle) -Sin2: @ 806F570 - push {r4,r5,lr} - adds r5, r0, 0 - lsls r5, 16 - lsrs r5, 16 - adds r0, r5, 0 - movs r1, 0xB4 - bl __umodsi3 - adds r4, r0, 0 - lsls r4, 16 - lsrs r4, 16 - adds r0, r5, 0 - movs r1, 0xB4 - bl __udivsi3 - movs r1, 0x1 - ands r0, r1 - ldr r1, =gUnknown_0832A1C0 - lsls r4, 1 - adds r4, r1 - ldrh r1, [r4] - cmp r0, 0 - bne _0806F5A8 - lsls r0, r1, 16 - b _0806F5AC - .pool -_0806F5A8: - lsls r0, r1, 16 - negs r0, r0 -_0806F5AC: - asrs r0, 16 - pop {r4,r5} - pop {r1} - bx r1 - thumb_func_end Sin2 - - thumb_func_start Cos2 -@ s16 cosine2(u16 angle) -Cos2: @ 806F5B4 - push {lr} - lsls r0, 16 - movs r1, 0xB4 - lsls r1, 15 - adds r0, r1 - lsrs r0, 16 - bl Sin2 - lsls r0, 16 - asrs r0, 16 - pop {r1} - bx r1 - thumb_func_end Cos2 - - .align 2, 0 @ Don't pad with nop. |