first commit

1 files changed, 500 insertions, 0 deletions

diff --git a/asm/util.s b/asm/util.s
new file mode 100644
index 000000000..846f767bb
--- /dev/null
+++ b/asm/util.s
@@ -0,0 +1,500 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start sub_8044EF8
+sub_8044EF8: @ 8044EF8
+	push {r4-r6,lr}
+	adds r6, r0, 0
+	ldr r0, _08044F2C @ =gUnknown_825E4DC
+	movs r1, 0xF8
+	movs r2, 0xA8
+	movs r3, 0xE
+	bl sub_8006F8C
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r5, _08044F30 @ =gUnknown_202063C
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	adds r3, r2, r5
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r4, 0x4
+	orrs r1, r4
+	strb r1, [r3]
+	adds r5, 0x1C
+	adds r2, r5
+	str r6, [r2]
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.align 2, 0
+_08044F2C: .4byte gUnknown_825E4DC
+_08044F30: .4byte gUnknown_202063C
+	thumb_func_end sub_8044EF8
+
+	thumb_func_start sub_8044F34
+sub_8044F34: @ 8044F34
+	strh r1, [r0]
+	lsrs r1, 16
+	strh r1, [r0, 0x2]
+	bx lr
+	thumb_func_end sub_8044F34
+
+	thumb_func_start sub_8044F3C
+sub_8044F3C: @ 8044F3C
+	ldrh r2, [r0]
+	movs r3, 0x2
+	ldrsh r0, [r0, r3]
+	lsls r0, 16
+	orrs r2, r0
+	str r2, [r1]
+	bx lr
+	thumb_func_end sub_8044F3C
+
+	thumb_func_start sub_8044F4C
+sub_8044F4C: @ 8044F4C
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	ldr r4, [sp, 0x18]
+	ldr r5, [sp, 0x1C]
+	ldr r6, [sp, 0x20]
+	ldr r7, [sp, 0x24]
+	mov r8, r7
+	str r1, [r0]
+	str r2, [r0, 0x4]
+	strh r3, [r0, 0x8]
+	strh r4, [r0, 0xA]
+	strh r5, [r0, 0xC]
+	strh r6, [r0, 0xE]
+	mov r1, r8
+	strh r1, [r0, 0x10]
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8044F4C
+
+	thumb_func_start sub_8044F78
+sub_8044F78: @ 8044F78
+	push {r4-r6,lr}
+	mov r6, r8
+	push {r6}
+	sub sp, 0x24
+	mov r8, r0
+	ldr r0, [sp, 0x38]
+	ldr r4, [sp, 0x3C]
+	ldr r5, [sp, 0x40]
+	ldr r6, [sp, 0x44]
+	lsls r6, 16
+	lsrs r6, 16
+	lsls r3, 16
+	asrs r3, 16
+	lsls r0, 16
+	asrs r0, 16
+	str r0, [sp]
+	lsls r4, 16
+	asrs r4, 16
+	str r4, [sp, 0x4]
+	lsls r5, 16
+	asrs r5, 16
+	str r5, [sp, 0x8]
+	str r6, [sp, 0xC]
+	add r0, sp, 0x10
+	bl sub_8044F4C
+	add r0, sp, 0x10
+	mov r1, r8
+	movs r2, 0x1
+	bl BgAffineSet
+	add sp, 0x24
+	pop {r3}
+	mov r8, r3
+	pop {r4-r6}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8044F78
+
+	thumb_func_start sub_8044FC4
+sub_8044FC4: @ 8044FC4
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x3C
+	str r2, [sp, 0x20]
+	adds r4, r3, 0
+	ldr r7, [sp, 0x5C]
+	lsls r0, 24
+	lsls r1, 24
+	ldr r2, _0804504C @ =gUnknown_825E4F4
+	lsrs r1, 23
+	lsrs r0, 21
+	adds r1, r0
+	adds r0, r2, 0x1
+	adds r0, r1, r0
+	ldrb r0, [r0]
+	str r0, [sp, 0x24]
+	adds r1, r2
+	ldrb r1, [r1]
+	str r1, [sp, 0x28]
+	movs r1, 0
+	cmp r1, r0
+	bcc _08044FF8
+	b _0804517A
+_08044FF8:
+	movs r0, 0x20
+	ldr r2, [sp, 0x28]
+	subs r0, r2
+	lsls r0, 1
+	str r0, [sp, 0x2C]
+_08045002:
+	movs r2, 0
+	adds r1, 0x1
+	str r1, [sp, 0x34]
+	ldr r3, [sp, 0x28]
+	cmp r2, r3
+	bcc _08045010
+	b _08045168
+_08045010:
+	ldr r0, _08045050 @ =0x040000d4
+	mov r8, r0
+_08045014:
+	ldrh r1, [r4]
+	ldr r0, _08045054 @ =0x000003ff
+	ands r0, r1
+	lsls r0, 5
+	mov r12, r0
+	movs r0, 0xC0
+	lsls r0, 4
+	ands r0, r1
+	mov r3, sp
+	strh r1, [r3, 0x38]
+	cmp r0, 0
+	bne _0804505C
+	ldr r0, [sp, 0x20]
+	add r0, r12
+	mov r1, r8
+	str r0, [r1]
+	str r7, [r1, 0x4]
+	ldr r3, _08045058 @ =0x84000008
+	str r3, [r1, 0x8]
+	ldr r0, [r1, 0x8]
+	adds r4, 0x2
+	str r4, [sp, 0x30]
+	adds r7, 0x20
+	mov r10, r7
+	adds r2, 0x1
+	mov r9, r2
+	b _08045156
+	.align 2, 0
+_0804504C: .4byte gUnknown_825E4F4
+_08045050: .4byte 0x040000d4
+_08045054: .4byte 0x000003ff
+_08045058: .4byte 0x84000008
+_0804505C:
+	movs r1, 0x80
+	lsls r1, 4
+	cmp r0, r1
+	bne _080450AC
+	movs r3, 0
+	adds r4, 0x2
+	str r4, [sp, 0x30]
+	movs r0, 0x20
+	adds r0, r7
+	mov r10, r0
+	adds r2, 0x1
+	mov r9, r2
+	ldr r4, _080450A4 @ =0x040000d4
+	ldr r6, _080450A8 @ =0x84000001
+	movs r5, 0x7
+_0804507A:
+	lsls r2, r3, 24
+	asrs r2, 24
+	subs r0, r5, r2
+	lsls r0, 2
+	add r0, r12
+	ldr r1, [sp, 0x20]
+	adds r0, r1, r0
+	lsls r1, r2, 2
+	adds r1, r7, r1
+	str r0, [r4]
+	str r1, [r4, 0x4]
+	str r6, [r4, 0x8]
+	ldr r0, [r4, 0x8]
+	adds r2, 0x1
+	lsls r2, 24
+	lsrs r3, r2, 24
+	asrs r2, 24
+	cmp r2, 0x7
+	ble _0804507A
+	b _08045156
+	.align 2, 0
+_080450A4: .4byte 0x040000d4
+_080450A8: .4byte 0x84000001
+_080450AC:
+	movs r3, 0
+	adds r4, 0x2
+	str r4, [sp, 0x30]
+	movs r0, 0x20
+	adds r0, r7
+	mov r10, r0
+	adds r2, 0x1
+	mov r9, r2
+_080450BC:
+	movs r2, 0
+	lsls r4, r3, 24
+	lsls r0, r4, 2
+	lsrs r0, 24
+	adds r6, r0, 0x3
+	mov r1, r12
+	adds r5, r1, r0
+_080450CA:
+	lsls r1, r2, 24
+	asrs r1, 24
+	subs r0, r6, r1
+	mov r2, sp
+	adds r3, r2, r0
+	adds r0, r5, r1
+	ldr r2, [sp, 0x20]
+	adds r0, r2, r0
+	ldrb r2, [r0]
+	movs r0, 0xF
+	ands r0, r2
+	lsls r0, 4
+	lsrs r2, 4
+	orrs r0, r2
+	strb r0, [r3]
+	adds r1, 0x1
+	lsls r1, 24
+	lsrs r2, r1, 24
+	asrs r1, 24
+	cmp r1, 0x3
+	ble _080450CA
+	movs r3, 0x80
+	lsls r3, 17
+	adds r0, r4, r3
+	lsrs r3, r0, 24
+	asrs r0, 24
+	cmp r0, 0x7
+	ble _080450BC
+	movs r0, 0x80
+	lsls r0, 4
+	mov r1, sp
+	ldrh r1, [r1, 0x38]
+	ands r0, r1
+	cmp r0, 0
+	beq _08045148
+	movs r3, 0
+	ldr r4, _08045140 @ =0x040000d4
+	ldr r6, _08045144 @ =0x84000001
+	movs r5, 0x7
+_08045118:
+	lsls r1, r3, 24
+	asrs r1, 24
+	subs r0, r5, r1
+	lsls r0, 2
+	mov r3, sp
+	adds r2, r3, r0
+	lsls r0, r1, 2
+	adds r0, r7, r0
+	str r2, [r4]
+	str r0, [r4, 0x4]
+	str r6, [r4, 0x8]
+	ldr r0, [r4, 0x8]
+	adds r1, 0x1
+	lsls r1, 24
+	lsrs r3, r1, 24
+	asrs r1, 24
+	cmp r1, 0x7
+	ble _08045118
+	b _08045156
+	.align 2, 0
+_08045140: .4byte 0x040000d4
+_08045144: .4byte 0x84000001
+_08045148:
+	mov r0, sp
+	mov r1, r8
+	str r0, [r1]
+	str r7, [r1, 0x4]
+	ldr r2, _0804518C @ =0x84000008
+	str r2, [r1, 0x8]
+	ldr r0, [r1, 0x8]
+_08045156:
+	ldr r4, [sp, 0x30]
+	mov r7, r10
+	mov r3, r9
+	lsls r0, r3, 24
+	lsrs r2, r0, 24
+	ldr r0, [sp, 0x28]
+	cmp r2, r0
+	bcs _08045168
+	b _08045014
+_08045168:
+	ldr r1, [sp, 0x2C]
+	adds r4, r1
+	ldr r2, [sp, 0x34]
+	lsls r0, r2, 24
+	lsrs r1, r0, 24
+	ldr r3, [sp, 0x24]
+	cmp r1, r3
+	bcs _0804517A
+	b _08045002
+_0804517A:
+	add sp, 0x3C
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0804518C: .4byte 0x84000008
+	thumb_func_end sub_8044FC4
+
+	thumb_func_start sub_8045190
+sub_8045190: @ 8045190
+	push {lr}
+	adds r2, r0, 0
+	movs r1, 0
+	movs r3, 0x1
+_08045198:
+	adds r0, r2, 0
+	ands r0, r3
+	cmp r0, 0
+	beq _080451A4
+	adds r0, r1, 0
+	b _080451B2
+_080451A4:
+	lsrs r2, 1
+	adds r0, r1, 0x1
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x1F
+	bls _08045198
+	movs r0, 0
+_080451B2:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_8045190
+
+	thumb_func_start sub_80451B8
+sub_80451B8: @ 80451B8
+	push {r4-r7,lr}
+	adds r7, r0, 0
+	adds r4, r1, 0
+	ldr r2, _080451E8 @ =0x00001121
+	movs r3, 0
+	cmp r3, r4
+	bcs _08045204
+	movs r6, 0x1
+	ldr r0, _080451EC @ =0x00008408
+	adds r5, r0, 0
+_080451CC:
+	adds r0, r7, r3
+	ldrb r0, [r0]
+	eors r2, r0
+	movs r1, 0
+	adds r3, 0x1
+_080451D6:
+	adds r0, r2, 0
+	ands r0, r6
+	cmp r0, 0
+	beq _080451F0
+	lsrs r0, r2, 1
+	eors r0, r5
+	lsls r0, 16
+	lsrs r2, r0, 16
+	b _080451F2
+	.align 2, 0
+_080451E8: .4byte 0x00001121
+_080451EC: .4byte 0x00008408
+_080451F0:
+	lsrs r2, 1
+_080451F2:
+	adds r0, r1, 0x1
+	lsls r0, 16
+	lsrs r1, r0, 16
+	cmp r1, 0x7
+	bls _080451D6
+	lsls r0, r3, 16
+	lsrs r3, r0, 16
+	cmp r3, r4
+	bcc _080451CC
+_08045204:
+	mvns r0, r2
+	lsls r0, 16
+	lsrs r0, 16
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_80451B8
+
+	thumb_func_start sub_8045210
+sub_8045210: @ 8045210
+	push {r4-r6,lr}
+	adds r5, r0, 0
+	adds r4, r1, 0
+	ldr r2, _0804524C @ =0x00001121
+	movs r3, 0
+	cmp r3, r4
+	bcs _0804523E
+	ldr r6, _08045250 @ =gUnknown_825E50C
+_08045220:
+	lsrs r1, r2, 8
+	adds r0, r5, r3
+	ldrb r0, [r0]
+	eors r2, r0
+	lsls r0, r2, 24
+	lsrs r0, 23
+	adds r0, r6
+	ldrh r0, [r0]
+	adds r2, r0, 0
+	eors r2, r1
+	adds r0, r3, 0x1
+	lsls r0, 16
+	lsrs r3, r0, 16
+	cmp r3, r4
+	bcc _08045220
+_0804523E:
+	mvns r0, r2
+	lsls r0, 16
+	lsrs r0, 16
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.align 2, 0
+_0804524C: .4byte 0x00001121
+_08045250: .4byte gUnknown_825E50C
+	thumb_func_end sub_8045210
+
+	thumb_func_start sub_8045254
+sub_8045254: @ 8045254
+	push {r4,lr}
+	adds r4, r0, 0
+	movs r3, 0
+	movs r2, 0
+	cmp r3, r1
+	bcs _0804526C
+_08045260:
+	adds r0, r4, r2
+	ldrb r0, [r0]
+	adds r3, r0
+	adds r2, 0x1
+	cmp r2, r1
+	bcc _08045260
+_0804526C:
+	adds r0, r3, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_8045254
+
+	.align 2, 0 @ Don't pad with nop.