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-rw-r--r--arm9/asm/OS_printf.s757
1 files changed, 757 insertions, 0 deletions
diff --git a/arm9/asm/OS_printf.s b/arm9/asm/OS_printf.s
new file mode 100644
index 00000000..f5175955
--- /dev/null
+++ b/arm9/asm/OS_printf.s
@@ -0,0 +1,757 @@
+ .include "asm/macros.inc"
+ .include "global.inc"
+
+ .text
+
+ arm_func_start OS_VSNPrintf
+OS_VSNPrintf: ; 0x020CA49C
+ stmdb sp!, {r4-r11,lr}
+ sub sp, sp, #0x64
+ mov r9, r2
+ str r1, [sp, #0x54]
+ str r0, [sp, #0x5c]
+ str r0, [sp, #0x58]
+ ldrsb r0, [r9, #0x0]
+ str r1, [sp, #0x0]
+ mov r11, r3
+ cmp r0, #0x0
+ beq _020CAD18
+ mov r0, #0xa
+ str r0, [sp, #0xc]
+ mov r0, #0x0
+ str r0, [sp, #0x4]
+ mov r0, #0x20
+ str r0, [sp, #0x1c]
+ mov r0, #0x30
+ str r0, [sp, #0x20]
+ mvn r0, #0x0
+ str r0, [sp, #0x8]
+ mov r0, #0x57
+ str r0, [sp, #0x10]
+ mov r0, #0x8
+ str r0, [sp, #0x14]
+ mov r0, #0x37
+ str r0, [sp, #0x18]
+ mov r0, #0x10
+ str r0, [sp, #0x24]
+ mov r0, #0x1
+ str r0, [sp, #0x28]
+ mov r0, #0x2b
+ str r0, [sp, #0x34]
+ mov r0, #0x2d
+ str r0, [sp, #0x30]
+ mov r0, #0x2
+ str r0, [sp, #0x2c]
+_020CA530:
+ ldrsb r1, [r9, #0x0]
+ and r0, r1, #0xff
+ eor r0, r0, #0x20
+ sub r0, r0, #0xa1
+ cmp r0, #0x3c
+ bhs _020CA56C
+ add r0, sp, #0x54
+ bl string_put_char
+ ldrsb r1, [r9, #0x1]!
+ cmp r1, #0x0
+ beq _020CAD0C
+ add r0, sp, #0x54
+ add r9, r9, #0x1
+ bl string_put_char
+ b _020CAD0C
+_020CA56C:
+ cmp r1, #0x25
+ beq _020CA584
+ add r0, sp, #0x54
+ add r9, r9, #0x1
+ bl string_put_char
+ b _020CAD0C
+_020CA584:
+ ldr r6, [sp, #0x4]
+ ldr r5, [sp, #0x8]
+ ldr r2, [sp, #0xc]
+ ldr r0, [sp, #0x10]
+ mov r10, r6
+ mov r3, r9
+_020CA59C:
+ ldrsb r4, [r9, #0x1]!
+ cmp r4, #0x20
+ bgt _020CA5B4
+ cmp r4, #0x20
+ beq _020CA5F4
+ b _020CA60C
+_020CA5B4:
+ cmp r4, #0x30
+ bgt _020CA60C
+ cmp r4, #0x2b
+ blt _020CA60C
+ cmp r4, #0x2b
+ beq _020CA5E0
+ cmp r4, #0x2d
+ beq _020CA5FC
+ cmp r4, #0x30
+ beq _020CA604
+ b _020CA60C
+_020CA5E0:
+ ldrsb r1, [r9, #-0x1]
+ cmp r1, #0x20
+ bne _020CA60C
+ orr r6, r6, #0x2
+ b _020CA59C
+_020CA5F4:
+ orr r6, r6, #0x1
+ b _020CA59C
+_020CA5FC:
+ orr r6, r6, #0x8
+ b _020CA59C
+_020CA604:
+ orr r6, r6, #0x10
+ b _020CA59C
+_020CA60C:
+ cmp r4, #0x2a
+ bne _020CA640
+ add r11, r11, #0x4
+ ldr r10, [r11, #-0x4]
+ add r9, r9, #0x1
+ cmp r10, #0x0
+ rsblt r10, r10, #0x0
+ orrlt r6, r6, #0x8
+ b _020CA654
+_020CA630:
+ ldrsb r4, [r9], #0x1
+ mov r1, #0xa
+ mla r1, r10, r1, r4
+ sub r10, r1, #0x30
+_020CA640:
+ ldrsb r1, [r9, #0x0]
+ cmp r1, #0x30
+ blt _020CA654
+ cmp r1, #0x39
+ ble _020CA630
+_020CA654:
+ ldrsb r1, [r9, #0x0]
+ cmp r1, #0x2e
+ bne _020CA6AC
+ ldrsb r1, [r9, #0x1]!
+ ldr r5, [sp, #0x4]
+ cmp r1, #0x2a
+ bne _020CA698
+ add r11, r11, #0x4
+ ldr r5, [r11, #-0x4]
+ add r9, r9, #0x1
+ cmp r5, #0x0
+ ldrlt r5, [sp, #0x8]
+ b _020CA6AC
+_020CA688:
+ ldrsb r4, [r9], #0x1
+ mov r1, #0xa
+ mla r1, r5, r1, r4
+ sub r5, r1, #0x30
+_020CA698:
+ ldrsb r1, [r9, #0x0]
+ cmp r1, #0x30
+ blt _020CA6AC
+ cmp r1, #0x39
+ ble _020CA688
+_020CA6AC:
+ ldrsb r1, [r9, #0x0]
+ cmp r1, #0x68
+ beq _020CA6C4
+ cmp r1, #0x6c
+ beq _020CA6DC
+ b _020CA6F0
+_020CA6C4:
+ ldrsb r1, [r9, #0x1]!
+ cmp r1, #0x68
+ orrne r6, r6, #0x40
+ addeq r9, r9, #0x1
+ orreq r6, r6, #0x100
+ b _020CA6F0
+_020CA6DC:
+ ldrsb r1, [r9, #0x1]!
+ cmp r1, #0x6c
+ orrne r6, r6, #0x20
+ addeq r9, r9, #0x1
+ orreq r6, r6, #0x80
+_020CA6F0:
+ ldrsb r1, [r9, #0x0]
+ cmp r1, #0x69
+ bgt _020CA740
+ cmp r1, #0x63
+ blt _020CA720
+ cmp r1, #0x63
+ beq _020CA7B4
+ cmp r1, #0x64
+ beq _020CA96C
+ cmp r1, #0x69
+ beq _020CA96C
+ b _020CA950
+_020CA720:
+ cmp r1, #0x25
+ bgt _020CA734
+ cmp r1, #0x25
+ beq _020CA934
+ b _020CA950
+_020CA734:
+ cmp r1, #0x58
+ beq _020CA7A0
+ b _020CA950
+_020CA740:
+ cmp r1, #0x6e
+ bgt _020CA754
+ cmp r1, #0x6e
+ beq _020CA8DC
+ b _020CA950
+_020CA754:
+ sub r1, r1, #0x6f
+ cmp r1, #0x9
+ addls pc, pc, r1, lsl #0x2
+ b _020CA950
+_020CA764:
+ b _020CA78C
+ b _020CA7A8
+ b _020CA950
+ b _020CA950
+ b _020CA828
+ b _020CA950
+ b _020CA798
+ b _020CA950
+ b _020CA950
+ b _020CA964
+_020CA78C:
+ ldr r2, [sp, #0x14]
+ orr r6, r6, #0x1000
+ b _020CA96C
+_020CA798:
+ orr r6, r6, #0x1000
+ b _020CA96C
+_020CA7A0:
+ ldr r0, [sp, #0x18]
+ b _020CA964
+_020CA7A8:
+ orr r6, r6, #0x4
+ ldr r5, [sp, #0x14]
+ b _020CA964
+_020CA7B4:
+ cmp r5, #0x0
+ bge _020CA950
+ ands r0, r6, #0x8
+ add r11, r11, #0x4
+ ldr r4, [r11, #-0x4]
+ beq _020CA7F0
+ mov r0, r4, lsl #0x18
+ mov r1, r0, asr #0x18
+ add r0, sp, #0x54
+ bl string_put_char
+ ldr r1, [sp, #0x1c]
+ sub r2, r10, #0x1
+ add r0, sp, #0x54
+ bl string_fill_char
+ b _020CA820
+_020CA7F0:
+ ands r0, r6, #0x10
+ ldrne r0, [sp, #0x20]
+ sub r2, r10, #0x1
+ ldreq r0, [sp, #0x1c]
+ mov r0, r0, lsl #0x18
+ mov r1, r0, asr #0x18
+ add r0, sp, #0x54
+ bl string_fill_char
+ mov r0, r4, lsl #0x18
+ mov r1, r0, asr #0x18
+ add r0, sp, #0x54
+ bl string_put_char
+_020CA820:
+ add r9, r9, #0x1
+ b _020CAD0C
+_020CA828:
+ add fp, fp, #0x4
+ cmp r5, #0x0
+ ldr r7, [sp, #0x4]
+ ldr r4, [fp, #-0x4]
+ bge _020CA860
+ ldrsb r0, [r4]
+ cmp r0, #0x0
+ beq _020CA874
+_020CA848:
+ add r7, r7, #0x1
+ ldrsb r0, [r4, r7]
+ cmp r0, #0x0
+ bne _020CA848
+ b _020CA874
+_020CA85C:
+ add r7, r7, #0x1
+_020CA860:
+ cmp r7, r5
+ bge _020CA874
+ ldrsb r0, [r4, r7]
+ cmp r0, #0x0
+ bne _020CA85C
+_020CA874:
+ ands r0, r6, #0x8
+ sub sl, sl, r7
+ beq _020CA8A4
+ mov r1, r4
+ mov r2, r7
+ add r0, sp, #0x54
+ bl string_put_string
+ ldr r1, [sp, #0x1C]
+ mov r2, sl
+ add r0, sp, #0x54
+ bl string_fill_char
+ b _020CA8D4
+_020CA8A4:
+ ands r0, r6, #0x10
+ ldrne r0, [sp, #0x20]
+ mov r2, sl
+ ldreq r0, [sp, #0x1C]
+ mov r0, r0, lsl #0x18
+ mov r1, r0, asr #0x18
+ add r0, sp, #0x54
+ bl string_fill_char
+ mov r1, r4
+ mov r2, r7
+ add r0, sp, #0x54
+ bl string_put_string
+_020CA8D4:
+ add r9, r9, #0x1
+ b _020CAD0C
+_020CA8DC:
+ ands r0, r6, #0x100
+ ldr r1, [sp, #0x58]
+ ldr r0, [sp, #0x5c]
+ sub r2, r1, r0
+ bne _020CA92C
+ ands r0, r6, #0x40
+ addne r11, r11, #0x4
+ ldrne r0, [r11, #-0x4]
+ strneh r2, [r0, #0x0]
+ bne _020CA92C
+ ands r0, r6, #0x80
+ addeq r11, r11, #0x4
+ ldreq r0, [r11, #-0x4]
+ streq r2, [r0, #0x0]
+ beq _020CA92C
+ add r11, r11, #0x4
+ ldr r0, [r11, #-0x4]
+ mov r1, r2, asr #0x1f
+ str r2, [r0, #0x0]
+ str r1, [r0, #0x4]
+_020CA92C:
+ add r9, r9, #0x1
+ b _020CAD0C
+_020CA934:
+ add r0, r3, #0x1
+ cmp r0, r9
+ bne _020CA950
+ add r0, sp, #0x54
+ add r9, r9, #0x1
+ bl string_put_char
+ b _020CAD0C
+_020CA950:
+ add r0, sp, #0x54
+ mov r1, r3
+ sub r2, r9, r3
+ bl string_put_string
+ b _020CAD0C
+_020CA964:
+ ldr r2, [sp, #0x24]
+ orr r6, r6, #0x1000
+_020CA96C:
+ ands r1, r6, #0x8
+ bicne r6, r6, #0x10
+ cmp r5, #0x0
+ bicge r6, r6, #0x10
+ ldrlt r5, [sp, #0x28]
+ ldr r7, [sp, #0x4]
+ ands r1, r6, #0x1000
+ beq _020CAA20
+ ands r1, r6, #0x100
+ addne r11, r11, #0x4
+ ldrneb r4, [r11, #-0x4]
+ movne r1, #0x0
+ bne _020CA9D0
+ ands r1, r6, #0x40
+ addne r11, r11, #0x4
+ ldrneh r4, [r11, #-0x4]
+ movne r1, #0x0
+ bne _020CA9D0
+ ands r1, r6, #0x80
+ addne r11, r11, #0x8
+ ldrne r1, [r11, #-0x4]
+ ldrne r4, [r11, #-0x8]
+ addeq r11, r11, #0x4
+ ldreq r4, [r11, #-0x4]
+ moveq r1, #0x0
+_020CA9D0:
+ bic r6, r6, #0x3
+ ands r3, r6, #0x4
+ beq _020CAAD8
+ cmp r2, #0x10
+ bne _020CAA0C
+ mov r3, #0x0
+ cmp r1, r3
+ cmpeq r4, r3
+ beq _020CAAD8
+ ldr r3, [sp, #0x20]
+ ldr r7, [sp, #0x2c]
+ strb r3, [sp, #0x39]
+ add r3, r0, #0x21
+ strb r3, [sp, #0x38]
+ b _020CAAD8
+_020CAA0C:
+ cmp r2, #0x8
+ ldreq r3, [sp, #0x20]
+ ldreq r7, [sp, #0x28]
+ streqb r3, [sp, #0x38]
+ b _020CAAD8
+_020CAA20:
+ ands r1, r6, #0x100
+ addne r11, r11, #0x4
+ ldrnesb r4, [r11, #-0x4]
+ movne r1, r4, asr #0x1f
+ bne _020CAA64
+ ands r1, r6, #0x40
+ addne r11, r11, #0x4
+ ldrnesh r4, [r11, #-0x4]
+ movne r1, r4, asr #0x1f
+ bne _020CAA64
+ ands r1, r6, #0x80
+ addne r11, r11, #0x8
+ ldrne r4, [r11, #-0x8]
+ ldrne r1, [r11, #-0x4]
+ addeq r11, r11, #0x4
+ ldreq r4, [r11, #-0x4]
+ moveq r1, r4, asr #0x1f
+_020CAA64:
+ mov r3, #0x0
+ and r8, r3, #0x0
+ cmp r8, r3
+ and r8, r1, #0x80000000
+ cmpeq r8, r3
+ beq _020CAAA0
+ ldr r7, [sp, #0x30]
+ mvn r4, r4
+ strb r7, [sp, #0x38]
+ mvn r7, r1
+ mov r1, #0x1
+ adds r4, r4, r1
+ adc r1, r7, r3
+ ldr r7, [sp, #0x28]
+ b _020CAAD8
+_020CAAA0:
+ cmp r1, r3
+ cmpeq r4, r3
+ bne _020CAAB4
+ cmp r5, #0x0
+ beq _020CAAD8
+_020CAAB4:
+ ands r3, r6, #0x2
+ ldrne r3, [sp, #0x34]
+ ldrne r7, [sp, #0x28]
+ strneb r3, [sp, #0x38]
+ bne _020CAAD8
+ ands r3, r6, #0x1
+ ldrne r3, [sp, #0x1c]
+ ldrne r7, [sp, #0x28]
+ strneb r3, [sp, #0x38]
+_020CAAD8:
+ cmp r2, #0x8
+ ldr r8, [sp, #0x4]
+ beq _020CAAF8
+ cmp r2, #0xa
+ beq _020CAB40
+ cmp r2, #0x10
+ beq _020CABDC
+ b _020CAC28
+_020CAAF8:
+ mov r0, #0x0
+ cmp r1, r0
+ cmpeq r4, r0
+ beq _020CAC28
+_020CAB08:
+ and r0, r4, #0x7
+ add r3, r0, #0x30
+ add r0, sp, #0x3a
+ strb r3, [r0, r8]
+ mov r4, r4, lsr #0x3
+ mov r2, #0x0
+ mov r0, r1, lsr #0x3
+ orr r4, r4, r1, lsl #0x1d
+ cmp r0, r2
+ cmpeq r4, r2
+ mov r1, r0
+ add r8, r8, #0x1
+ bne _020CAB08
+ b _020CAC28
+_020CAB40:
+ mov r0, #0x0
+ cmp r0, r0
+ cmpeq r1, r0
+ bne _020CAB8C
+ cmp r4, #0x0
+ beq _020CAC28
+_020CAB58:
+ ldr r0, _020CAD60 ; =0xCCCCCCCD
+ umull r1, r0, r4, r0
+ movs r0, r0, lsr #0x3
+ mov r1, #0xa
+ mul r1, r0, r1
+ sub r1, r4, r1
+ mov r4, r0
+ add r1, r1, #0x30
+ add r0, sp, #0x3a
+ strb r1, [r0, r8]
+ add r8, r8, #0x1
+ bne _020CAB58
+ b _020CAC28
+_020CAB8C:
+ cmp r1, r0
+ cmpeq r4, r0
+ beq _020CAC28
+_020CAB98:
+ ldr r2, [sp, #0xc]
+ ldr r3, [sp, #0x4]
+ mov r0, r4
+ bl _ll_udiv
+ mov r3, #0xa
+ umull r3, r12, r0, r3
+ subs r3, r4, r3
+ mov r2, #0x0
+ add r4, r3, #0x30
+ add r3, sp, #0x3a
+ strb r4, [r3, r8]
+ cmp r1, r2
+ cmpeq r0, r2
+ mov r4, r0
+ add r8, r8, #0x1
+ bne _020CAB98
+ b _020CAC28
+_020CABDC:
+ mov r2, #0x0
+ cmp r1, r2
+ cmpeq r4, r2
+ beq _020CAC28
+_020CABEC:
+ and r3, r4, #0xf
+ cmp r3, #0xa
+ mov r4, r4, lsr #0x4
+ addlt r3, r3, #0x30
+ mov r2, r1, lsr #0x4
+ orr r4, r4, r1, lsl #0x1c
+ mov r1, r2
+ addge r3, r3, r0
+ add r2, sp, #0x3a
+ strb r3, [r2, r8]
+ mov r2, #0x0
+ cmp r1, r2
+ add r8, r8, #0x1
+ cmpeq r4, r2
+ bne _020CABEC
+_020CAC28:
+ cmp r7, #0x0
+ ble _020CAC4C
+ ldrsb r0, [sp, #0x38]
+ cmp r0, #0x30
+ ldreq r1, [sp, #0x20]
+ addeq r0, sp, #0x3a
+ streqb r1, [r0, r8]
+ ldreq r7, [sp, #0x4]
+ addeq r8, r8, #0x1
+_020CAC4C:
+ sub r5, r5, r8
+ ands r0, r6, #0x10
+ beq _020CAC68
+ sub r0, r10, r8
+ sub r0, r0, r7
+ cmp r5, r0
+ movlt r5, r0
+_020CAC68:
+ cmp r5, #0x0
+ subgt r10, r10, r5
+ add r0, r7, r8
+ ands r6, r6, #0x8
+ sub r10, r10, r0
+ bne _020CAC90
+ ldr r1, [sp, #0x1c]
+ add r0, sp, #0x54
+ mov r2, r10
+ bl string_fill_char
+_020CAC90:
+ cmp r7, #0x0
+ ble _020CACB8
+ add r0, sp, #0x38
+ add r4, r0, r7
+_020CACA0:
+ ldrsb r1, [r4, #-0x1]!
+ sub r7, r7, #0x1
+ add r0, sp, #0x54
+ bl string_put_char
+_020CACB0:
+ cmp r7, #0x0
+ bgt _020CACA0
+_020CACB8:
+ ldr r1, [sp, #0x20]
+ mov r2, r5
+ add r0, sp, #0x54
+ bl string_fill_char
+_020CACC8:
+ cmp r8, #0x0
+ ble _020CACF0
+ add r0, sp, #0x3A
+ add r4, r0, r8
+_020CACD8:
+ ldrsb r1, [r4, #-0x1]!
+ sub r8, r8, #0x1
+ add r0, sp, #0x54
+ bl string_put_char
+ cmp r8, #0x0
+ bgt _020CACD8
+_020CACF0:
+ cmp r6, #0x0
+ beq _020CAD08
+ ldr r1, [sp, #0x1C]
+ mov r2, sl
+ add r0, sp, #0x54
+ bl string_fill_char
+_020CAD08:
+ add r9, r9, #0x1
+_020CAD0C:
+ ldrsb r0, [r9, #0x0]
+ cmp r0, #0x0
+ bne _020CA530
+_020CAD18:
+ ldr r0, [sp, #0x54]
+ cmp r0, #0x0
+ ldrne r0, [sp, #0x58]
+ movne r1, #0x0
+ strneb r1, [r0, #0x0]
+ bne _020CAD48
+ ldr r0, [sp, #0x0]
+ cmp r0, #0x0
+ ldrne r1, [sp, #0x5c]
+ movne r2, #0x0
+ addne r0, r1, r0
+ strneb r2, [r0, #-0x1]
+_020CAD48:
+ ldr r1, [sp, #0x58]
+ ldr r0, [sp, #0x5c]
+ sub r0, r1, r0
+ add sp, sp, #0x64
+ ldmia sp!, {r4-r11,lr}
+ bx lr
+ .balign 4
+_020CAD60: .word 0xCCCCCCCD
+
+ arm_func_start OS_SNPrintf
+OS_SNPrintf: ; 0x020CAD64
+ stmdb sp!, {r0-r3}
+ stmdb sp!, {lr}
+ sub sp, sp, #0x4
+ add r3, sp, #0x10
+ bic r3, r3, #0x3
+ ldr r2, [sp, #0x10]
+ add r3, r3, #0x4
+ bl OS_VSNPrintf
+ add sp, sp, #0x4
+ ldmia sp!, {lr}
+ add sp, sp, #0x10
+ bx lr
+
+ arm_func_start OS_VSPrintf
+OS_VSPrintf: ; 0x020CAD94
+ ldr ip, _020CADA8 ; =OS_VSNPrintf
+ mov r3, r2
+ mov r2, r1
+ mvn r1, #0x80000000
+ bx r12
+ .balign 4
+_020CADA8: .word OS_VSNPrintf
+
+ arm_func_start OS_SPrintf
+OS_SPrintf: ; 0x020CADAC
+ stmdb sp!, {r0-r3}
+ stmdb sp!, {lr}
+ sub sp, sp, #0x4
+ add r2, sp, #0xc
+ bic r2, r2, #0x3
+ ldr r1, [sp, #0xc]
+ add r2, r2, #0x4
+ bl OS_VSPrintf
+ add sp, sp, #0x4
+ ldmia sp!, {lr}
+ add sp, sp, #0x10
+ bx lr
+
+ arm_func_start string_put_string
+string_put_string: ; 0x020CADDC
+ stmdb sp!, {r4,lr}
+ cmp r2, #0x0
+ ldmleia sp!, {r4,lr}
+ bxle lr
+ ldr lr, [r0, #0x0]
+ mov r4, #0x0
+ cmp lr, r2
+ movhi lr, r2
+ cmp lr, #0x0
+ bls _020CAE1C
+_020CAE04:
+ ldrsb r12, [r1, r4]
+ ldr r3, [r0, #0x4]
+ strb r12, [r3, r4]
+ add r4, r4, #0x1
+ cmp r4, lr
+ blo _020CAE04
+_020CAE1C:
+ ldr r1, [r0, #0x0]
+ sub r1, r1, lr
+ str r1, [r0, #0x0]
+ ldr r1, [r0, #0x4]
+ add r1, r1, r2
+ str r1, [r0, #0x4]
+ ldmia sp!, {r4,lr}
+ bx lr
+
+ arm_func_start string_fill_char
+string_fill_char:
+ stmdb sp!, {lr}
+ sub sp, sp, #0x4
+ cmp r2, #0x0
+ addle sp, sp, #0x4
+ ldmleia sp!, {lr}
+ bxle lr
+ ldr r12, [r0, #0x0]
+ mov lr, #0x0
+ cmp r12, r2
+ movhi r12, r2
+ cmp r12, #0x0
+ bls _020CAE80
+_020CAE6C:
+ ldr r3, [r0, #0x4]
+ strb r1, [r3, lr]
+ add lr, lr, #0x1
+ cmp lr, r12
+ blo _020CAE6C
+_020CAE80:
+ ldr r1, [r0, #0x0]
+ sub r1, r1, r12
+ str r1, [r0, #0x0]
+ ldr r1, [r0, #0x4]
+ add r1, r1, r2
+ str r1, [r0, #0x4]
+ add sp, sp, #0x4
+ ldmia sp!, {lr}
+ bx lr
+
+ arm_func_start string_put_char
+string_put_char:
+ ldr r2, [r0, #0x0]
+ cmp r2, #0x0
+ ldrne r2, [r0, #0x4]
+ strneb r1, [r2, #0x0]
+ ldrne r1, [r0, #0x0]
+ subne r1, r1, #0x1
+ strne r1, [r0, #0x0]
+ ldr r1, [r0, #0x4]
+ add r1, r1, #0x1
+ str r1, [r0, #0x4]
+ bx lr