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Match sub_8006554 and document the WTFism
This commit is contained in:
Kermalis
293
asm/text.s
293
asm/text.s
@@ -5,299 +5,6 @@
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.text
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thumb_func_start sub_8006554
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sub_8006554:
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push {r4-r7,lr}
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mov r7, r10
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mov r6, r9
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mov r5, r8
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push {r5-r7}
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sub sp, 0x24
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str r0, [sp, 0x4]
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adds r7, r1, 0
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adds r6, r2, 0
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str r3, [sp, 0x8]
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ldr r1, [sp, 0x4C]
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ldr r3, [sp, 0x50]
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ldr r2, [sp, 0x54]
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ldr r0, [sp, 0x58]
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lsls r1, 24
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lsrs r1, 24
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str r1, [sp, 0xC]
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lsls r0, 24
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lsrs r0, 24
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str r0, [sp, 0x10]
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ldr r1, [sp, 0x44]
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lsls r0, r1, 3
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adds r0, r1
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lsls r0, 3
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ldr r4, [sp, 0x4]
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adds r5, r4, r0
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ldr r0, [sp, 0x48]
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movs r4, 0x8
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ldrsh r1, [r0, r4]
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movs r4, 0
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ldrsh r0, [r2, r4]
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adds r1, r0
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str r1, [sp, 0x14]
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ldr r0, [sp, 0x48]
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movs r4, 0xA
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ldrsh r1, [r0, r4]
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movs r4, 0x2
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ldrsh r0, [r2, r4]
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adds r4, r1, r0
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mov r0, sp
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ldrh r0, [r0, 0x14]
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strh r0, [r5]
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strh r4, [r5, 0x2]
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ldr r1, [sp, 0x48]
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ldrh r0, [r1, 0xC]
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strh r0, [r5, 0x4]
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ldrh r0, [r1, 0x10]
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strh r0, [r5, 0x8]
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ldrh r0, [r1, 0xE]
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strh r0, [r5, 0x6]
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ldr r0, [r1, 0x4]
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str r0, [r5, 0xC]
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str r3, [r5, 0x10]
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cmp r0, 0x6
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bne _080065C6
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str r3, [r5, 0x14]
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b _080065D6
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_080065C6:
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ldr r2, [sp, 0x48]
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movs r0, 0x12
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ldrsh r1, [r2, r0]
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movs r2, 0x4
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ldrsh r0, [r5, r2]
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muls r0, r1
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adds r0, r3, r0
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str r0, [r5, 0x14]
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_080065D6:
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ldr r0, [r5, 0x10]
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lsls r0, 5
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adds r0, r6, r0
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str r0, [r5, 0x18]
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ldr r0, [r5, 0x14]
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lsls r0, 5
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adds r1, r6, r0
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str r1, [r5, 0x1C]
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ldr r3, [sp, 0x48]
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movs r6, 0x12
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ldrsh r1, [r3, r6]
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str r1, [r5, 0x24]
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adds r0, r7, r0
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str r0, [r5, 0x28]
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ldr r3, [r5, 0xC]
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cmp r3, 0x6
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bne _0800660C
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movs r7, 0x4
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ldrsh r2, [r5, r7]
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movs r1, 0x6
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ldrsh r0, [r5, r1]
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ldr r6, [sp, 0x48]
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movs r7, 0x12
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ldrsh r1, [r6, r7]
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adds r0, r1
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muls r0, r2
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b _08006616
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_0800660C:
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movs r0, 0x4
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ldrsh r1, [r5, r0]
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movs r2, 0x6
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ldrsh r0, [r5, r2]
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muls r0, r1
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_08006616:
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lsls r0, 5
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str r0, [r5, 0x2C]
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movs r0, 0
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str r0, [r5, 0x30]
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str r0, [r5, 0x34]
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str r0, [r5, 0x38]
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movs r6, 0x4
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ldrsh r0, [r5, r6]
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lsls r0, 3
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subs r0, 0x8
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str r0, [r5, 0x20]
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movs r1, 0
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cmp r3, 0
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bne _08006634
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movs r1, 0x1
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_08006634:
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adds r0, r5, 0
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adds r0, 0x45
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strb r1, [r0]
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movs r7, 0x8
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ldrsh r0, [r5, r7]
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cmp r0, 0
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bne _08006644
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b _0800676C
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_08006644:
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ldr r0, [sp, 0x48]
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ldrb r1, [r0]
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movs r0, 0xA0
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ands r0, r1
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adds r1, r5, 0
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adds r1, 0x46
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str r1, [sp, 0x1C]
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cmp r0, 0x80
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beq _08006752
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subs r7, r4, 0x1
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ldr r0, [r5, 0xC]
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cmp r0, 0x6
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bne _080066A8
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movs r2, 0
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mov r8, r2
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ldr r3, [sp, 0xC]
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cmp r3, 0
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beq _0800666C
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ldr r6, [r5, 0x14]
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mov r8, r6
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_0800666C:
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ldr r0, [sp, 0x48]
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ldr r3, [r0, 0x14]
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ldr r1, [sp, 0x8]
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str r1, [sp]
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adds r0, r5, 0
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adds r1, r7, 0
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mov r2, r8
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bl sub_8006E94
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adds r7, r4, 0x2
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ldr r2, [sp, 0xC]
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cmp r2, 0
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beq _0800669A
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movs r3, 0x4
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ldrsh r1, [r5, r3]
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ldr r4, [sp, 0x48]
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movs r6, 0x12
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ldrsh r0, [r4, r6]
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adds r0, 0x2
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muls r1, r0
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ldr r0, [r5, 0x14]
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adds r0, r1
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b _0800669C
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_0800669A:
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movs r0, 0
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_0800669C:
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mov r8, r0
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movs r1, 0x6
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ldrsh r0, [r5, r1]
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subs r0, 0x2
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str r0, [sp, 0x18]
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b _080066CA
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_080066A8:
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adds r0, r5, 0
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adds r1, r7, 0
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ldr r2, [sp, 0x8]
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ldr r3, [sp, 0x10]
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bl sub_800677C
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adds r7, r4, 0
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movs r2, 0
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mov r8, r2
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ldr r3, [sp, 0xC]
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cmp r3, 0
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beq _080066C4
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ldr r4, [r5, 0x14]
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mov r8, r4
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_080066C4:
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movs r0, 0x6
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ldrsh r6, [r5, r0]
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str r6, [sp, 0x18]
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_080066CA:
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movs r1, 0
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mov r9, r1
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adds r2, r5, 0
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adds r2, 0x46
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str r2, [sp, 0x1C]
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ldr r3, [sp, 0x18]
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cmp r9, r3
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bge _08006746
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_080066DA:
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ldr r4, [sp, 0x14]
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subs r4, 0x1
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ldr r6, [sp, 0x8]
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str r6, [sp]
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adds r0, r5, 0
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adds r1, r4, 0
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adds r2, r7, 0
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mov r3, r9
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bl sub_80069CC
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ldr r4, [sp, 0x14]
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movs r6, 0
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movs r1, 0x4
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ldrsh r0, [r5, r1]
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adds r2, r7, 0x1
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mov r10, r2
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mov r3, r9
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adds r3, 0x1
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str r3, [sp, 0x20]
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cmp r6, r0
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bge _0800672A
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_08006704:
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ldr r0, [sp, 0x8]
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str r0, [sp]
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adds r0, r5, 0
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adds r1, r4, 0
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adds r2, r7, 0
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mov r3, r8
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bl sub_8006AC4
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adds r4, 0x1
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ldr r1, [sp, 0xC]
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cmp r1, 0
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beq _08006720
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movs r2, 0x1
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add r8, r2
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_08006720:
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adds r6, 0x1
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movs r3, 0x4
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ldrsh r0, [r5, r3]
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cmp r6, r0
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blt _08006704
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_0800672A:
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ldr r6, [sp, 0x8]
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str r6, [sp]
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adds r0, r5, 0
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adds r1, r4, 0
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adds r2, r7, 0
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mov r3, r9
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bl sub_8006B70
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mov r7, r10
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ldr r0, [sp, 0x20]
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mov r9, r0
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ldr r1, [sp, 0x18]
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cmp r9, r1
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blt _080066DA
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_08006746:
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adds r0, r5, 0
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adds r1, r7, 0
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ldr r2, [sp, 0x8]
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ldr r3, [sp, 0x10]
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bl sub_8006C44
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_08006752:
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ldr r2, [sp, 0x48]
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ldrb r1, [r2]
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movs r0, 0x80
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ands r0, r1
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cmp r0, 0
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bne _08006766
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ldr r0, [sp, 0x4]
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ldr r1, [sp, 0x44]
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bl sub_8008C6C
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_08006766:
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movs r0, 0
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ldr r3, [sp, 0x1C]
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strb r0, [r3]
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_0800676C:
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add sp, 0x24
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pop {r3-r5}
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mov r8, r3
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mov r9, r4
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mov r10, r5
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pop {r4-r7}
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pop {r0}
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bx r0
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thumb_func_end sub_8006554
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thumb_func_start sub_800677C
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sub_800677C:
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push {r4-r7,lr}
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@@ -29,9 +29,17 @@ struct UnkTextStruct1
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// size: 0x4
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struct UnkTextStruct2_sub
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{
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//s16 unk0[2]; // TODO: Try union and see if it fixes kecleon
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s16 unk0;
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s16 unk4;
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// I haven't found a func that reads these separately yet, but simply making an arr[2] will cause assignments to break.
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// Some funcs only match with this union for some reason even though they don't access the variables separately...
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// The first func to break is currently sub_801A5D8 in kecleon_items_1.c
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// The first func I matched that uses the array is sub_8006554 in text_1.c (using the separated fields doesn't match or get even close)
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union {
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struct {
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s16 unk0;
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s16 unk4;
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} separate;
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s16 arr[2];
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} unk0;
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};
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// size: 0x18
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102
src/text_1.c
102
src/text_1.c
@@ -4,6 +4,14 @@
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extern struct UnkTextStruct2 gUnknown_202AFC0[4];
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extern u32 gUnknown_80B8814[];
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extern void sub_800677C(struct UnkTextStruct1 *, s32, u16 *, u8);
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extern void sub_80069CC(struct UnkTextStruct1 *, s32, s32, s32, u16 *);
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extern void sub_8006AC4(struct UnkTextStruct1 *, s32, s32, u32, u16 *);
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extern void sub_8006B70(struct UnkTextStruct1 *, s32, s32, s32, u16 *);
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extern void sub_8006C44(struct UnkTextStruct1 *, s32, u16 *, u8);
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extern void sub_8006E94(struct UnkTextStruct1 *, s32, u32, const u8 *, u16 *);
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extern void sub_8008C6C(struct UnkTextStruct1 *, u32);
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void nullsub_152(void)
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{
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}
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@@ -22,4 +30,98 @@ void nullsub_153(void)
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u32 sub_8006544(u32 index)
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{
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return gUnknown_80B8814[index];
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}
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// a1 is a VRAM pointer
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void sub_8006554(struct UnkTextStruct1 *a0, void *a1, u8 *a2, u16 *a3, u32 a4, const struct UnkTextStruct2 *a5, u8 a6, u32 a7, struct UnkTextStruct2_sub *a8, u8 a9)
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{
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struct UnkTextStruct1 *t1;
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s32 iVar3;
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s32 iVar5;
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s32 iVar6;
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s32 local_2c;
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u32 uVar1;
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s32 temp;
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s32 eye;
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s32 jay;
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t1 = &a0[a4];
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iVar3 = a5->unk8.unk0.arr[0] + a8->unk0.arr[0];
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iVar5 = a5->unk8.unk0.arr[1] + a8->unk0.arr[1];
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t1->unk0 = iVar3;
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t1->unk2 = iVar5;
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t1->unk4 = a5->unkC;
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t1->unk8 = a5->unk10;
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t1->unk6 = a5->unkE;
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t1->unkC = a5->unk4;
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t1->unk10 = a7;
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if (t1->unkC == 6)
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t1->unk14 = a7;
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else
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t1->unk14 = a7 + a5->unk12 * t1->unk4;
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t1->unk18 = &a2[t1->unk10 * 0x20];
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t1->unk1C = &a2[t1->unk14 * 0x20];
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t1->unk24 = a5->unk12;
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t1->unk28 = a1 + (t1->unk14 * 0x20);
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if (t1->unkC == 6)
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t1->unk2C = t1->unk4 * (t1->unk6 + a5->unk12) * 32;
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else
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t1->unk2C = t1->unk4 * t1->unk6 * 32;
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t1->unk30 = 0;
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t1->unk34 = 0;
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t1->unk38 = 0;
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t1->unk20 = (t1->unk4 * 8) - 8;
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t1->unk45 = t1->unkC == 0;
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if (t1->unk8 == 0)
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return;
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if ((a5->unk0 & 0xA0) != 0x80) {
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temp = iVar5 - 1;
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if (t1->unkC == 6) {
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uVar1 = (a6 != 0) ? t1->unk14 : 0;
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sub_8006E94(t1, temp, uVar1, a5->unk14, a3);
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temp = iVar5 + 2;
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uVar1 = (a6 != 0) ? t1->unk14 + t1->unk4 * (a5->unk12 + 2) : 0;
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local_2c = t1->unk6 - 2;
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}
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else {
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sub_800677C(t1, temp, a3, a9);
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temp = iVar5;
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uVar1 = (a6 != 0) ? t1->unk14 : 0;
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local_2c = t1->unk6;
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}
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for (eye = 0; eye < local_2c; eye++) {
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iVar6 = iVar3 - 1;
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sub_80069CC(t1, iVar6, temp, eye, a3);
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iVar6 = iVar3;
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for (jay = 0; jay < t1->unk4; jay++) {
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sub_8006AC4(t1, iVar6, temp, uVar1, a3);
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iVar6++;
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if (a6 != 0)
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uVar1++;
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}
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sub_8006B70(t1, iVar6, temp, eye, a3);
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temp++;
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}
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sub_8006C44(t1, temp, a3, a9);
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}
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if ((a5->unk0 & 0x80) == 0)
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sub_8008C6C(a0, a4);
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t1->unk46 = 0;
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}
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