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.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start STD_CompareNString
STD_CompareNString: ; 0x020DE03C
stmdb sp!, {lr}
sub sp, sp, #0x4
cmp r2, #0x0
beq _020DE080
cmp r2, #0x0
mov lr, #0x0
ble _020DE080
_020DE058:
ldrb r12, [r0, lr]
ldrb r3, [r1, lr]
cmp r12, r3
addne sp, sp, #0x4
subne r0, r12, r3
ldmneia sp!, {lr}
bxne lr
add lr, lr, #0x1
cmp lr, r2
blt _020DE058
_020DE080:
mov r0, #0x0
add sp, sp, #0x4
ldmia sp!, {lr}
bx lr
arm_func_start STD_CompareString
STD_CompareString: ; 0x020DE090
b _020DE09C
_020DE094:
add r0, r0, #0x1
add r1, r1, #0x1
_020DE09C:
ldrsb r2, [r1, #0x0]
ldrsb r3, [r0, #0x0]
cmp r3, r2
bne _020DE0B4
cmp r3, #0x0
bne _020DE094
_020DE0B4:
sub r0, r3, r2
bx lr
arm_func_start STD_GetStringLength
STD_GetStringLength: ; 0x020DE0BC
ldrsb r1, [r0, #0x0]
mov r2, #0x0
cmp r1, #0x0
beq _020DE0DC
_020DE0CC:
add r2, r2, #0x1
ldrsb r1, [r0, r2]
cmp r1, #0x0
bne _020DE0CC
_020DE0DC:
mov r0, r2
bx lr
arm_func_start STD_CopyLString
STD_CopyLString: ; 0x020DE0E4
stmdb sp!, {lr}
sub sp, sp, #0x4
sub r12, r2, #0x1
cmp r12, #0x0
mov lr, #0x0
ble _020DE120
_020DE0FC:
ldrsb r3, [r1, #0x0]
strb r3, [r0, lr]
ldrsb r3, [r1, #0x0]
cmp r3, #0x0
beq _020DE120
add lr, lr, #0x1
cmp lr, r12
add r1, r1, #0x1
blt _020DE0FC
_020DE120:
sub r3, r2, #0x1
cmp lr, r3
blt _020DE138
cmp r2, #0x0
movne r2, #0x0
strneb r2, [r0, lr]
_020DE138:
mov r0, r1
bl STD_GetStringLength
add sp, sp, #0x4
ldmia sp!, {lr}
bx lr
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