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oot/asm/mio0.s
Random 94d810193a
ucode_disas.c progress (#188)
* ucode_disas.c progress

* fix

* minor fixes

* minor comment changes
2020-06-05 13:18:39 -04:00

62 lines
2.5 KiB
ArmAsm

.include "macro.inc"
# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64 # allow use of 64-bit general purpose registers
.section .text
.balign 16
glabel Mio0_Decompress
/* 0031B0 800025B0 8C870008 */ lw $a3, 8($a0)
/* 0031B4 800025B4 8C99000C */ lw $t9, 0xc($a0)
/* 0031B8 800025B8 8C980004 */ lw $t8, 4($a0)
/* 0031BC 800025BC 00E43820 */ add $a3, $a3, $a0
/* 0031C0 800025C0 0324C820 */ add $t9, $t9, $a0
/* 0031C4 800025C4 00003025 */ move $a2, $zero
/* 0031C8 800025C8 20840010 */ addi $a0, $a0, 0x10
/* 0031CC 800025CC 0305C020 */ add $t8, $t8, $a1
.L800025D0:
/* 0031D0 800025D0 14C00004 */ bnez $a2, .L800025E4
/* 0031D4 800025D4 00000000 */ nop
/* 0031D8 800025D8 8C880000 */ lw $t0, ($a0)
/* 0031DC 800025DC 24060020 */ li $a2, 32
/* 0031E0 800025E0 20840004 */ addi $a0, $a0, 4
.L800025E4:
/* 0031E4 800025E4 0100482A */ slt $t1, $t0, $zero
/* 0031E8 800025E8 11200006 */ beqz $t1, .L80002604
/* 0031EC 800025EC 00000000 */ nop
/* 0031F0 800025F0 832A0000 */ lb $t2, ($t9)
/* 0031F4 800025F4 23390001 */ addi $t9, $t9, 1
/* 0031F8 800025F8 20A50001 */ addi $a1, $a1, 1
/* 0031FC 800025FC 1000000E */ b .L80002638
/* 003200 80002600 A0AAFFFF */ sb $t2, -1($a1)
.L80002604:
/* 003204 80002604 94EA0000 */ lhu $t2, ($a3)
/* 003208 80002608 20E70002 */ addi $a3, $a3, 2
/* 00320C 8000260C 000A5B02 */ srl $t3, $t2, 0xc
/* 003210 80002610 314A0FFF */ andi $t2, $t2, 0xfff
/* 003214 80002614 1160000D */ beqz $t3, .L8000264C
/* 003218 80002618 00AA4822 */ sub $t1, $a1, $t2
/* 00321C 8000261C 216B0002 */ addi $t3, $t3, 2
.L80002620:
/* 003220 80002620 812AFFFF */ lb $t2, -1($t1)
/* 003224 80002624 216BFFFF */ addi $t3, $t3, -1
/* 003228 80002628 21290001 */ addi $t1, $t1, 1
/* 00322C 8000262C 20A50001 */ addi $a1, $a1, 1
/* 003230 80002630 1560FFFB */ bnez $t3, .L80002620
/* 003234 80002634 A0AAFFFF */ sb $t2, -1($a1)
.L80002638:
/* 003238 80002638 00084040 */ sll $t0, $t0, 1
/* 00323C 8000263C 14B8FFE4 */ bne $a1, $t8, .L800025D0
/* 003240 80002640 20C6FFFF */ addi $a2, $a2, -1
/* 003244 80002644 03E00008 */ jr $ra
/* 003248 80002648 00000000 */ nop
.L8000264C:
/* 00324C 8000264C 932B0000 */ lbu $t3, ($t9)
/* 003250 80002650 23390001 */ addi $t9, $t9, 1
/* 003254 80002654 1000FFF2 */ b .L80002620
/* 003258 80002658 216B0012 */ addi $t3, $t3, 0x12
/* 00325C 8000265C 00000000 */ nop