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decompile util.s

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DizzyEggg
2017-09-13 12:58:57 +02:00
parent 0918cadae3
commit 4c16bb5ee6
8 changed files with 532 additions and 481 deletions
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466
asm/util.s
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@@ -1,466 +0,0 @@
.include "asm/macros.inc"
.include "constants/constants.inc"
.syntax unified
.text
thumb_func_start CreateInvisibleSpriteWithCallback
CreateInvisibleSpriteWithCallback: @ 806F640
push {r4-r6,lr}
adds r6, r0, 0
ldr r0, =gUnknown_0832A3A8
movs r1, 0xF8
movs r2, 0xA8
movs r3, 0xE
bl CreateSprite
lsls r0, 24
lsrs r0, 24
ldr r5, =gSprites
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
.pool
thumb_func_end CreateInvisibleSpriteWithCallback
thumb_func_start StoreWordInTwoHalfwords
StoreWordInTwoHalfwords: @ 806F67C
strh r1, [r0]
lsrs r1, 16
strh r1, [r0, 0x2]
bx lr
thumb_func_end StoreWordInTwoHalfwords
thumb_func_start LoadWordFromTwoHalfwords
LoadWordFromTwoHalfwords: @ 806F684
ldrh r2, [r0]
movs r3, 0x2
ldrsh r0, [r0, r3]
lsls r0, 16
orrs r2, r0
str r2, [r1]
bx lr
thumb_func_end LoadWordFromTwoHalfwords
thumb_func_start SetBgAffineStruct
SetBgAffineStruct: @ 806F694
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 SetBgAffineStruct
thumb_func_start DoBgAffineSet
DoBgAffineSet: @ 806F6C0
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 SetBgAffineStruct
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 DoBgAffineSet
thumb_func_start CopySpriteTiles
CopySpriteTiles: @ 806F70C
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
sub sp, 0x38
str r2, [sp, 0x20]
adds r4, r3, 0
ldr r7, [sp, 0x58]
lsls r0, 24
lsls r1, 24
ldr r2, =gUnknown_0832A3C0
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 r0, 0
b _0806F88C
.pool
_0806F740:
movs r5, 0
adds r0, 0x1
str r0, [sp, 0x30]
b _0806F874
_0806F748:
ldrh r0, [r4]
ldr r2, =0x000003ff
adds r1, r2, 0
ands r1, r0
lsls r1, 5
mov r8, r1
movs r2, 0xC0
lsls r2, 4
adds r1, r2, 0
ands r1, r0
mov r2, sp
strh r0, [r2, 0x34]
cmp r1, 0
bne _0806F788
ldr r0, [sp, 0x20]
add r0, r8
adds r1, r7, 0
ldr r2, =0x04000008
bl CpuSet
adds r4, 0x2
str r4, [sp, 0x2C]
adds r7, 0x20
mov r10, r7
adds r5, 0x1
mov r9, r5
b _0806F86A
.pool
_0806F788:
movs r0, 0x80
lsls r0, 4
cmp r1, r0
bne _0806F7CC
movs r1, 0
adds r4, 0x2
str r4, [sp, 0x2C]
movs r2, 0x20
adds r2, r7
mov r10, r2
adds r5, 0x1
mov r9, r5
_0806F7A0:
lsls r4, r1, 24
asrs r4, 24
movs r0, 0x7
subs r0, r4
lsls r0, 2
add r0, r8
ldr r1, [sp, 0x20]
adds r0, r1, r0
lsls r1, r4, 2
adds r1, r7, r1
ldr r2, =0x04000001
bl CpuSet
adds r4, 0x1
lsls r4, 24
lsrs r1, r4, 24
asrs r4, 24
cmp r4, 0x7
ble _0806F7A0
b _0806F86A
.pool
_0806F7CC:
movs r1, 0
adds r4, 0x2
str r4, [sp, 0x2C]
movs r2, 0x20
adds r2, r7
mov r10, r2
adds r5, 0x1
mov r9, r5
movs r0, 0xF
mov r12, r0
_0806F7E0:
movs r2, 0
lsls r4, r1, 24
lsls r0, r4, 2
lsrs r0, 24
adds r6, r0, 0x3
mov r1, r8
adds r5, r1, r0
_0806F7EE:
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]
mov r0, r12
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 _0806F7EE
movs r1, 0x80
lsls r1, 17
adds r0, r4, r1
lsrs r1, r0, 24
asrs r0, 24
cmp r0, 0x7
ble _0806F7E0
mov r2, sp
ldrh r0, [r2, 0x34]
movs r2, 0x80
lsls r2, 4
ands r0, r2
cmp r0, 0
beq _0806F860
movs r1, 0
_0806F836:
lsls r4, r1, 24
asrs r4, 24
movs r0, 0x7
subs r0, r4
lsls r0, 2
add r0, sp
lsls r1, r4, 2
adds r1, r7, r1
ldr r2, =0x04000001
bl CpuSet
adds r4, 0x1
lsls r4, 24
lsrs r1, r4, 24
asrs r4, 24
cmp r4, 0x7
ble _0806F836
b _0806F86A
.pool
_0806F860:
mov r0, sp
adds r1, r7, 0
ldr r2, =0x04000008
bl CpuSet
_0806F86A:
ldr r4, [sp, 0x2C]
mov r7, r10
mov r1, r9
lsls r0, r1, 24
lsrs r5, r0, 24
_0806F874:
ldr r2, [sp, 0x28]
cmp r5, r2
bcs _0806F87C
b _0806F748
_0806F87C:
movs r0, 0x20
ldr r1, [sp, 0x28]
subs r0, r1
lsls r0, 1
adds r4, r0
ldr r2, [sp, 0x30]
lsls r0, r2, 24
lsrs r0, 24
_0806F88C:
ldr r1, [sp, 0x24]
cmp r0, r1
bcs _0806F894
b _0806F740
_0806F894:
add sp, 0x38
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r0}
bx r0
.pool
thumb_func_end CopySpriteTiles
thumb_func_start CountTrailingZeroBits
CountTrailingZeroBits: @ 806F8A8
push {lr}
adds r2, r0, 0
movs r1, 0
movs r3, 0x1
_0806F8B0:
adds r0, r2, 0
ands r0, r3
cmp r0, 0
beq _0806F8BC
adds r0, r1, 0
b _0806F8CA
_0806F8BC:
lsrs r2, 1
adds r0, r1, 0x1
lsls r0, 24
lsrs r1, r0, 24
cmp r1, 0x1F
bls _0806F8B0
movs r0, 0
_0806F8CA:
pop {r1}
bx r1
thumb_func_end CountTrailingZeroBits
thumb_func_start CalcCRC16
CalcCRC16: @ 806F8D0
push {r4-r7,lr}
adds r7, r0, 0
adds r4, r1, 0
ldr r2, =0x00001121
movs r3, 0
cmp r3, r4
bge _0806F91C
movs r6, 0x1
ldr r0, =0x00008408
adds r5, r0, 0
_0806F8E4:
adds r0, r7, r3
ldrb r0, [r0]
eors r2, r0
movs r1, 0
adds r3, 0x1
_0806F8EE:
adds r0, r2, 0
ands r0, r6
cmp r0, 0
beq _0806F908
lsrs r0, r2, 1
eors r0, r5
lsls r0, 16
lsrs r2, r0, 16
b _0806F90A
.pool
_0806F908:
lsrs r2, 1
_0806F90A:
adds r0, r1, 0x1
lsls r0, 16
lsrs r1, r0, 16
cmp r1, 0x7
bls _0806F8EE
lsls r0, r3, 16
lsrs r3, r0, 16
cmp r3, r4
blt _0806F8E4
_0806F91C:
mvns r0, r2
lsls r0, 16
lsrs r0, 16
pop {r4-r7}
pop {r1}
bx r1
thumb_func_end CalcCRC16
thumb_func_start CalcCRC16WithTable
CalcCRC16WithTable: @ 806F928
push {r4-r6,lr}
adds r5, r0, 0
adds r4, r1, 0
ldr r2, =0x00001121
movs r3, 0
cmp r3, r4
bcs _0806F956
ldr r6, =gUnknown_0832A3D8
_0806F938:
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 _0806F938
_0806F956:
mvns r0, r2
lsls r0, 16
lsrs r0, 16
pop {r4-r6}
pop {r1}
bx r1
.pool
thumb_func_end CalcCRC16WithTable
thumb_func_start CalcByteArraySum
CalcByteArraySum: @ 806F96C
push {r4,lr}
adds r4, r0, 0
movs r3, 0
movs r2, 0
cmp r3, r1
bcs _0806F984
_0806F978:
adds r0, r4, r2
ldrb r0, [r0]
adds r3, r0
adds r2, 0x1
cmp r2, r1
bcc _0806F978
_0806F984:
adds r0, r3, 0
pop {r4}
pop {r1}
bx r1
thumb_func_end CalcByteArraySum
.align 2, 0 @ Don't pad with nop.