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.include "asm/macros.inc"
.include "global.inc"
.extern UNK_02103FE8
.extern UNK_021D6B14
.extern UNK_021D6B30
.extern UNK_021D6B28
.extern UNK_021D6B1C
.extern UNK_021D6B24
.extern UNK_021D6B20
.extern UNK_021D6B4C
.extern UNK_021D6B0C
.extern UNK_02103FE4
.extern UNK_02103FF4
.extern UNK_021D6B34
.extern UNK_021D6B2C
.extern UNK_021D6B18
.text
arm_func_start CTRDG_IdentifyAgbBackup
CTRDG_IdentifyAgbBackup: ; 0x020DBD50
stmdb sp!, {r4-r7,lr}
sub sp, sp, #0x4
mov r7, r0
cmp r7, #0x1
mov r0, #0x1
bhi _020DBEAC
bl OS_GetLockID
ldr r1, _020DBED8 ; =UNK_021D6B0C
strh r0, [r1, #0x0]
ldrh r0, [r1, #0x0]
bl OS_LockCartridge
ldr r6, _020DBEDC ; =0x04000204
ldr r1, _020DBEE0 ; =UNK_02103FE4
ldrh r3, [r6, #0x0]
ldrh r2, [r6, #0x0]
ldr r0, _020DBEE4 ; =UNK_021D6B28
and r4, r3, #0x3
bic r2, r2, #0x3
orr r2, r2, #0x3
strh r2, [r6, #0x0]
str r1, [r0, #0x0]
bl CTRDGi_ReadFlashID
ldr r2, _020DBEDC ; =0x04000204
mov r6, r0
ldrh r1, [r2, #0x0]
cmp r7, #0x0
ldreq r5, _020DBEE8 ; =UNK_02103FF4
bic r1, r1, #0x3
orr r1, r1, r4
cmp r7, #0x1
ldr r0, _020DBED8 ; =UNK_021D6B0C
strh r1, [r2, #0x0]
ldrh r0, [r0, #0x0]
ldreq r5, _020DBEEC ; =UNK_02103FE8
bl OS_UnlockCartridge2
ldr r2, [r5, #0x0]
mov r0, #0x1
ldrh r1, [r2, #0x38]
cmp r1, #0x0
beq _020DBE14
and r3, r6, #0xff
_020DBDF4:
ldrh r1, [r2, #0x38]
cmp r3, r1
moveq r0, #0x0
beq _020DBE14
ldr r2, [r5, #0x4]!
ldrh r1, [r2, #0x38]
cmp r1, #0x0
bne _020DBDF4
_020DBE14:
ldr r2, [r2, #0x0]
ldr r1, _020DBEF0 ; =UNK_021D6B14
ldr r3, _020DBEF4 ; =UNK_021D6B34
str r2, [r1, #0x0]
ldr r1, [r5, #0x0]
ldr r2, _020DBEF8 ; =UNK_021D6B2C
ldr r4, [r1, #0x4]
ldr r1, _020DBEFC ; =UNK_021D6B18
str r4, [r3, #0x0]
ldr r3, [r5, #0x0]
ldr r6, _020DBF00 ; =UNK_021D6B1C
ldr r3, [r3, #0x8]
ldr r4, _020DBF04 ; =UNK_021D6B30
str r3, [r2, #0x0]
ldr r2, [r5, #0x0]
ldr r3, _020DBF08 ; =UNK_021D6B24
ldr r7, [r2, #0xc]
ldr r2, _020DBEE4 ; =UNK_021D6B28
str r7, [r1, #0x0]
ldr r7, [r5, #0x0]
ldr r1, _020DBF0C ; =UNK_021D6B20
ldr r7, [r7, #0x10]
add sp, sp, #0x4
str r7, [r6, #0x0]
ldr r6, [r5, #0x0]
ldr r6, [r6, #0x14]
str r6, [r4, #0x0]
ldr r4, [r5, #0x0]
ldr r4, [r4, #0x18]
str r4, [r3, #0x0]
ldr r3, [r5, #0x0]
ldr r3, [r3, #0x1c]
str r3, [r2, #0x0]
ldr r2, [r5, #0x0]
add r2, r2, #0x20
str r2, [r1, #0x0]
ldmia sp!, {r4-r7,lr}
bx lr
_020DBEAC:
cmp r7, #0x2
addne sp, sp, #0x4
ldmneia sp!, {r4-r7,lr}
bxne lr
bl OS_GetLockID
ldr r1, _020DBF10 ; =UNK_021D6B4C
strh r0, [r1, #0x0]
mov r0, #0x0
add sp, sp, #0x4
ldmia sp!, {r4-r7,lr}
bx lr
.balign 4
_020DBED8: .word UNK_021D6B0C
_020DBEDC: .word 0x04000204
_020DBEE0: .word UNK_02103FE4
_020DBEE4: .word UNK_021D6B28
_020DBEE8: .word UNK_02103FF4
_020DBEEC: .word UNK_02103FE8
_020DBEF0: .word UNK_021D6B14
_020DBEF4: .word UNK_021D6B34
_020DBEF8: .word UNK_021D6B2C
_020DBEFC: .word UNK_021D6B18
_020DBF00: .word UNK_021D6B1C
_020DBF04: .word UNK_021D6B30
_020DBF08: .word UNK_021D6B24
_020DBF0C: .word UNK_021D6B20
_020DBF10: .word UNK_021D6B4C
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