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.include "asm/macros.inc"
.include "global.inc"
.section .text
arm_func_start CPSi_rc4_crypt
CPSi_rc4_crypt: ; 0x020A49CC
stmdb sp!, {r4-r6,lr}
cmp r2, #0x0
add r3, r0, #0x2
ldrb lr, [r0, #0x0]
ldrb r12, [r0, #0x1]
mov r4, #0x0
ble _020A4A2C
_020A49E8:
add r5, lr, #0x1
and lr, r5, #0xff
ldrb r6, [r3, lr]
add r5, r12, r6
and r12, r5, #0xff
ldrb r5, [r3, r12]
strb r5, [r3, lr]
add r5, r6, r5
strb r6, [r3, r12]
and r5, r5, #0xff
ldrb r6, [r1, r4]
ldrb r5, [r3, r5]
eor r5, r6, r5
strb r5, [r1, r4]
add r4, r4, #0x1
cmp r4, r2
blt _020A49E8
_020A4A2C:
strb lr, [r0, #0x0]
strb r12, [r0, #0x1]
ldmia sp!, {r4-r6,lr}
bx lr
arm_func_start CPSi_rc4_init
CPSi_rc4_init: ; 0x020A4A3C
stmdb sp!, {r4-r7,lr}
sub sp, sp, #0x4
mov r3, #0x0
strb r3, [r0, #0x0]
strb r3, [r0, #0x1]
add r7, r0, #0x2
_020A4A54:
strb r3, [r7, r3]
add r3, r3, #0x1
cmp r3, #0x100
blt _020A4A54
mov r5, #0x0
mov r6, r5
mov r4, r5
mov r0, r5
_020A4A74:
ldrb lr, [r7, r4]
ldrb r12, [r1, r5]
add r3, r5, #0x1
and r5, r3, #0xff
add r3, lr, r12
add r3, r6, r3
and r6, r3, #0xff
ldrb r3, [r7, r6]
cmp r5, r2
movge r5, r0
strb r3, [r7, r4]
add r4, r4, #0x1
strb lr, [r7, r6]
cmp r4, #0x100
blt _020A4A74
add sp, sp, #0x4
ldmia sp!, {r4-r7,lr}
bx lr
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