Files
Microtransactions64/src/game/decompress.s
2021-04-16 20:02:56 -04:00

56 lines
1.1 KiB
ArmAsm

# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64
.include "macros.inc"
.section .text, "ax"
# This file is handwritten.
glabel decompress
lw $a3, 8($a0)
lw $t9, 0xc($a0)
lw $t8, 4($a0)
add $a3, $a3, $a0
add $t9, $t9, $a0
move $a2, $zero
addi $a0, $a0, 0x10
add $t8, $t8, $a1
.L802772C0:
bnel $a2, $zero, .L802772D8
slt $t1, $t0, $zero
lw $t0, ($a0)
li $a2, 32
addi $a0, $a0, 4
slt $t1, $t0, $zero
.L802772D8:
beql $t1, $zero, .L802772F8
lhu $t2, ($a3)
lb $t2, ($t9)
addi $t9, $t9, 1
addi $a1, $a1, 1
b .L80277324
sb $t2, -1($a1)
lhu $t2, ($a3)
.L802772F8:
addi $a3, $a3, 2
srl $t3, $t2, 0xc
andi $t2, $t2, 0xfff
sub $t1, $a1, $t2
addi $t3, $t3, 3
.L8027730C:
lb $t2, -1($t1)
addi $t3, $t3, -1
addi $t1, $t1, 1
addi $a1, $a1, 1
bnez $t3, .L8027730C
sb $t2, -1($a1)
.L80277324:
sll $t0, $t0, 1
bne $a1, $t8, .L802772C0
addi $a2, $a2, -1
jr $ra
nop