trig

2019-05-05 15:12:42 -04:00
parent a37da53f20
commit 5f49353de4
4 changed files with 545 additions and 104 deletions
@@ -1,97 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start Sin
-Sin: @ 8044E30
-	lsls r1, 16
-	asrs r1, 16
-	ldr r2, _08044E48 @ =gSineTable
-	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
-	.align 2, 0
-_08044E48: .4byte gSineTable
-	thumb_func_end Sin
-
-	thumb_func_start Cos
-Cos: @ 8044E4C
-	lsls r1, 16
-	asrs r1, 16
-	ldr r2, _08044E68 @ =gSineTable
-	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
-	.align 2, 0
-_08044E68: .4byte gSineTable
-	thumb_func_end Cos
-
-	thumb_func_start Sin2
-Sin2: @ 8044E6C
-	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, _08044EA0 @ =gUnknown_825E2F4
-	lsls r4, 1
-	adds r4, r1
-	ldrh r1, [r4]
-	cmp r0, 0
-	bne _08044EA4
-	lsls r0, r1, 16
-	b _08044EA8
-	.align 2, 0
-_08044EA0: .4byte gUnknown_825E2F4
-_08044EA4:
-	lsls r0, r1, 16
-	negs r0, r0
-_08044EA8:
-	asrs r0, 16
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end Sin2
-
-	thumb_func_start Cos2
-Cos2: @ 8044EB0
-	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.