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sm64coopdx/asm/boot.s
n64 c45aa301bb Refresh 8
2020-04-03 14:57:26 -04:00

802 lines
18 KiB
ArmAsm
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# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64
.include "macros.inc"
# 0xA0000000-0xBFFFFFFF: KSEG1 direct map non-cache mirror of 0x00000000
# 0xA4000000-0xA4000FFF: RSP DMEM
# 0xA4000000-0xA400003F: ROM header
.section .text, "ax"
# 0xA4000040-0xA4000B6F: IPL3
# IPL3 entry point jumped to from IPL2
glabel ipl3_entry # 0xA4000040
mtc0 $zero, $13
mtc0 $zero, $9
mtc0 $zero, $11
lui $t0, %hi(RI_MODE_REG)
addiu $t0, %lo(RI_MODE_REG)
lw $t1, 0xc($t0)
bnez $t1, .LA4000410
nop
addiu $sp, $sp, -0x18
sw $s3, ($sp)
sw $s4, 4($sp)
sw $s5, 8($sp)
sw $s6, 0xc($sp)
sw $s7, 0x10($sp)
lui $t0, %hi(RI_MODE_REG)
addiu $t0, %lo(RI_MODE_REG)
lui $t2, (0xa3f80000 >> 16)
lui $t3, (0xa3f00000 >> 16)
lui $t4, %hi(MI_MODE_REG)
addiu $t4, %lo(MI_MODE_REG)
ori $t1, $zero, 64
sw $t1, 4($t0)
li $s1, 8000
.LA400009C:
nop
addi $s1, $s1, -1
bnez $s1, .LA400009C
nop
sw $zero, 8($t0)
ori $t1, $zero, 20
sw $t1, 0xc($t0)
sw $zero, ($t0)
li $s1, 4
.LA40000C0:
nop
addi $s1, $s1, -1
bnez $s1, .LA40000C0
nop
ori $t1, $zero, 14
sw $t1, ($t0)
li $s1, 32
.LA40000DC:
addi $s1, $s1, -1
bnez $s1, .LA40000DC
ori $t1, $zero, 271
sw $t1, ($t4)
lui $t1, (0x18082838 >> 16)
ori $t1, (0x18082838 & 0xFFFF)
sw $t1, 0x8($t2)
sw $zero, 0x14($t2)
lui $t1, 0x8000
sw $t1, 0x4($t2)
move $t5, $zero
move $t6, $zero
lui $t7, (0xA3F00000 >> 16)
move $t8, $zero
lui $t9, (0xA3F00000 >> 16)
lui $s6, (0xA0000000 >> 16)
move $s7, $zero
lui $a2, (0xA3F00000 >> 16)
lui $a3, (0xA0000000 >> 16)
move $s2, $zero
lui $s4, (0xA0000000 >> 16)
addiu $sp, $sp, -0x48
move $fp, $sp
lui $s0, %hi(MI_VERSION_REG)
lw $s0, %lo(MI_VERSION_REG)($s0)
lui $s1, (0x01010101 >> 16)
addiu $s1, (0x01010101 & 0xFFFF)
bne $s0, $s1, .LA4000160
nop
li $s0, 512
ori $s1, $t3, 0x4000
b .LA4000168
nop
.LA4000160:
li $s0, 1024
ori $s1, $t3, 0x8000
.LA4000168:
sw $t6, 4($s1)
addiu $s5, $t7, 0xc
jal func_A4000778
nop
beqz $v0, .LA400025C
nop
sw $v0, ($sp)
li $t1, 8192
sw $t1, ($t4)
lw $t3, ($t7)
lui $t0, 0xf0ff
and $t3, $t3, $t0
sw $t3, 4($sp)
addi $sp, $sp, 8
li $t1, 4096
sw $t1, ($t4)
lui $t0, 0xb019
bne $t3, $t0, .LA40001E0
nop
lui $t0, 0x800
add $t8, $t8, $t0
add $t9, $t9, $s0
add $t9, $t9, $s0
lui $t0, 0x20
add $s6, $s6, $t0
add $s4, $s4, $t0
sll $s2, $s2, 1
addi $s2, $s2, 1
b .LA40001E8
nop
.LA40001E0:
lui $t0, 0x10
add $s4, $s4, $t0
.LA40001E8:
li $t0, 8192
sw $t0, ($t4)
lw $t1, 0x24($t7)
lw $k0, ($t7)
li $t0, 4096
sw $t0, ($t4)
andi $t1, $t1, 0xffff
li $t0, 1280
bne $t1, $t0, .LA4000230
nop
lui $k1, 0x100
and $k0, $k0, $k1
bnez $k0, .LA4000230
nop
lui $t0, (0x101C0A04 >> 16)
ori $t0, (0x101C0A04 & 0xFFFF)
sw $t0, 0x18($t7)
b .LA400023C
.LA4000230:
lui $t0, (0x080C1204 >> 16)
ori $t0, (0x080C1204 & 0xFFFF)
sw $t0, 0x18($t7)
.LA400023C:
lui $t0, 0x800
add $t6, $t6, $t0
add $t7, $t7, $s0
add $t7, $t7, $s0
addiu $t5, $t5, 1
sltiu $t0, $t5, 8
bnez $t0, .LA4000168
nop
.LA400025C:
li $t0, 0xc4000000
sw $t0, 0xc($t2)
li $t0, 0x80000000
sw $t0, 0x4($t2)
move $sp, $fp
move $v1, $zero
.LA4000274:
lw $t1, 4($sp)
lui $t0, 0xb009
bne $t1, $t0, .LA40002D8
nop
sw $t8, 4($s1)
addiu $s5, $t9, 0xc
lw $a0, ($sp)
addi $sp, $sp, 8
li $a1, 1
jal func_A4000A40
nop
lw $t0, ($s6)
lui $t0, 8
add $t0, $t0, $s6
lw $t1, ($t0)
lw $t0, ($s6)
lui $t0, 8
add $t0, $t0, $s6
lw $t1, ($t0)
lui $t0, 0x400
add $t6, $t6, $t0
add $t9, $t9, $s0
lui $t0, 0x10
add $s6, $s6, $t0
b .LA400035C
.LA40002D8:
sw $s7, 4($s1)
addiu $s5, $a2, 0xc
lw $a0, ($sp)
addi $sp, $sp, 8
li $a1, 1
jal func_A4000A40
nop
lw $t0, ($a3)
lui $t0, 8
add $t0, $t0, $a3
lw $t1, ($t0)
lui $t0, 0x10
add $t0, $t0, $a3
lw $t1, ($t0)
lui $t0, 0x18
add $t0, $t0, $a3
lw $t1, ($t0)
lw $t0, ($a3)
lui $t0, 8
add $t0, $t0, $a3
lw $t1, ($t0)
lui $t0, 0x10
add $t0, $t0, $a3
lw $t1, ($t0)
lui $t0, 0x18
add $t0, $t0, $a3
lw $t1, ($t0)
lui $t0, 0x800
add $s7, $s7, $t0
add $a2, $a2, $s0
add $a2, $a2, $s0
lui $t0, 0x20
add $a3, $a3, $t0
.LA400035C:
addiu $v1, $v1, 1
slt $t0, $v1, $t5
bnez $t0, .LA4000274
nop
lui $t2, %hi(RI_REFRESH_REG)
sll $s2, $s2, 0x13
lui $t1, (0x00063634 >> 16)
ori $t1, (0x00063634 & 0xFFFF)
or $t1, $t1, $s2
sw $t1, %lo(RI_REFRESH_REG)($t2)
lw $t1, %lo(RI_REFRESH_REG)($t2)
lui $t0, (0xA0000300 >> 16)
ori $t0, (0xA0000300 & 0xFFFF)
lui $t1, (0x0FFFFFFF >> 16)
ori $t1, (0x0FFFFFFF & 0xFFFF)
and $s6, $s6, $t1
sw $s6, 0x18($t0)
move $sp, $fp
addiu $sp, $sp, 0x48
lw $s3, ($sp)
lw $s4, 4($sp)
lw $s5, 8($sp)
lw $s6, 0xc($sp)
lw $s7, 0x10($sp)
addiu $sp, $sp, 0x18
lui $t0, %hi(EXCEPTION_TLB_MISS)
addiu $t0, $t0, %lo(EXCEPTION_TLB_MISS)
addiu $t1, $t0, 0x4000
addiu $t1, $t1, -0x20
mtc0 $zero, $28
mtc0 $zero, $29
.LA40003D8:
cache 8, ($t0)
sltu $at, $t0, $t1
bnez $at, .LA40003D8
addiu $t0, $t0, 0x20
lui $t0, %hi(EXCEPTION_TLB_MISS)
addiu $t0, %lo(EXCEPTION_TLB_MISS)
addiu $t1, $t0, 0x2000
addiu $t1, $t1, -0x10
.LA40003F8:
cache 9, ($t0)
sltu $at, $t0, $t1
bnez $at, .LA40003F8
addiu $t0, $t0, 0x10
b .LA4000458
nop
.LA4000410:
lui $t0, %hi(EXCEPTION_TLB_MISS)
addiu $t0, %lo(EXCEPTION_TLB_MISS)
addiu $t1, $t0, 0x4000
addiu $t1, $t1, -0x20
mtc0 $zero, $28
mtc0 $zero, $29
.LA4000428:
cache 8, ($t0)
sltu $at, $t0, $t1
bnez $at, .LA4000428
addiu $t0, $t0, 0x20
lui $t0, %hi(EXCEPTION_TLB_MISS)
addiu $t0, %lo(EXCEPTION_TLB_MISS)
addiu $t1, $t0, 0x2000
addiu $t1, $t1, -0x10
.LA4000448:
cache 1, ($t0)
sltu $at, $t0, $t1
bnez $at, .LA4000448
addiu $t0, $t0, 0x10
.LA4000458:
lui $t2, %hi(SP_DMEM)
addiu $t2, $t2, %lo(SP_DMEM)
lui $t3, 0xfff0
lui $t1, 0x0010
and $t2, $t2, $t3
lui $t0, %hi(SP_DMEM_UNK0)
addiu $t1, -1
lui $t3, %hi(SP_DMEM_UNK1)
addiu $t0, %lo(SP_DMEM_UNK0)
addiu $t3, %lo(SP_DMEM_UNK1)
and $t0, $t0, $t1
and $t3, $t3, $t1
lui $t1, 0xa000
or $t0, $t0, $t2
or $t3, $t3, $t2
addiu $t1, $t1, 0
.LA4000498:
lw $t5, ($t0)
addiu $t0, $t0, 4
sltu $at, $t0, $t3
addiu $t1, $t1, 4
bnez $at, .LA4000498
sw $t5, -4($t1)
lui $t4, %hi(EXCEPTION_TLB_MISS)
addiu $t4, %lo(EXCEPTION_TLB_MISS)
jr $t4
nop
lui $t3, %hi(D_B0000008)
lw $t1, %lo(D_B0000008)($t3)
lui $t2, (0x1FFFFFFF >> 16)
ori $t2, (0x1FFFFFFF & 0xFFFF)
lui $at, %hi(PI_DRAM_ADDR_REG)
and $t1, $t1, $t2
sw $t1, %lo(PI_DRAM_ADDR_REG)($at)
lui $t0, %hi(PI_STATUS_REG)
.LA40004D0:
lw $t0, %lo(PI_STATUS_REG)($t0)
andi $t0, $t0, 2
bnezl $t0, .LA40004D0
lui $t0, %hi(PI_STATUS_REG)
li $t0, 0x1000
add $t0, $t0, $t3
and $t0, $t0, $t2
lui $at, %hi(PI_CART_ADDR_REG)
sw $t0, %lo(PI_CART_ADDR_REG)($at)
lui $t2, 0x0010
addiu $t2, 0xFFFF
lui $at, %hi(PI_WR_LEN_REG)
sw $t2, %lo(PI_WR_LEN_REG)($at)
.LA4000514:
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
lui $t3, %hi(PI_STATUS_REG)
lw $t3, %lo(PI_STATUS_REG)($t3)
andi $t3, $t3, 0x1
bnez $t3, .LA4000514
nop
lui $t3, %hi(D_B0000008)
lw $a0, %lo(D_B0000008)($t3)
move $a1, $s6
lui $at, (0x5D588B65 >> 16)
ori $at, (0x5D588B65 & 0xFFFF)
multu $a1, $at
addiu $sp, $sp, -0x20
sw $ra, 0x1c($sp)
sw $s0, 0x14($sp)
lui $ra, 0x10
move $v1, $zero
move $t0, $zero
move $t1, $a0
li $t5, 32
mflo $v0
addiu $v0, $v0, 1
move $a3, $v0
move $t2, $v0
move $t3, $v0
move $s0, $v0
move $a2, $v0
move $t4, $v0
.LA40005F0:
lw $v0, ($t1)
addu $v1, $a3, $v0
sltu $at, $v1, $a3
beqz $at, .LA4000608
move $a1, $v1
addiu $t2, $t2, 1
.LA4000608:
andi $v1, $v0, 0x1f
subu $t7, $t5, $v1
srlv $t8, $v0, $t7
sllv $t6, $v0, $v1
or $a0, $t6, $t8
sltu $at, $a2, $v0
move $a3, $a1
xor $t3, $t3, $v0
beqz $at, .LA400063C
addu $s0, $s0, $a0
xor $t9, $a3, $v0
b .LA4000640
xor $a2, $t9, $a2
.LA400063C:
xor $a2, $a2, $a0
.LA4000640:
addiu $t0, $t0, 4
xor $t7, $v0, $s0
addiu $t1, $t1, 4
bne $t0, $ra, .LA40005F0
addu $t4, $t7, $t4
xor $t6, $a3, $t2
xor $a3, $t6, $t3
xor $t8, $s0, $a2
xor $s0, $t8, $t4
lui $t3, %hi(D_B0000010)
lw $t0, %lo(D_B0000010)($t3)
bne $a3, $t0, halt
nop
lw $t0, %lo(D_B0000014)($t3)
bne $s0, $t0, halt
nop
bal func_A4000690
nop
halt:
bal halt
nop
func_A4000690:
lui $t1, %hi(SP_PC)
lw $t1, %lo(SP_PC)($t1)
lw $s0, 0x14($sp)
lw $ra, 0x1c($sp)
beqz $t1, .LA40006BC
addiu $sp, $sp, 0x20
li $t2, 65
lui $at, %hi(SP_STATUS_REG)
sw $t2, %lo(SP_STATUS_REG)($at)
lui $at, %hi(SP_PC)
sw $zero, %lo(SP_PC)($at)
.LA40006BC:
lui $t3, (0x00AAAAAE >> 16)
ori $t3, (0x00AAAAAE & 0xFFFF)
lui $at, %hi(SP_STATUS_REG)
sw $t3, %lo(SP_STATUS_REG)($at)
lui $at, %hi(MI_INTR_MASK_REG)
li $t0, 1365
sw $t0, %lo(MI_INTR_MASK_REG)($at)
lui $at, %hi(SI_STATUS_REG)
sw $zero, %lo(SI_STATUS_REG)($at)
lui $at, %hi(AI_STATUS_REG)
sw $zero, %lo(AI_STATUS_REG)($at)
lui $at, %hi(MI_MODE_REG)
li $t1, 2048
sw $t1, %lo(MI_MODE_REG)($at)
li $t1, 2
lui $at, %hi(PI_STATUS_REG)
lui $t0, (0xA0000300 >> 16)
ori $t0, (0xA0000300 & 0xFFFF)
sw $t1, %lo(PI_STATUS_REG)($at)
sw $s7, 0x14($t0)
sw $s5, 0xc($t0)
sw $s3, 0x4($t0)
beqz $s3, .LA4000728
sw $s4, ($t0)
lui $t1, 0xa600
b .LA4000730
addiu $t1, $t1, 0
.LA4000728:
lui $t1, 0xb000
addiu $t1, $t1, 0
.LA4000730:
sw $t1, 0x8($t0)
lui $t0, %hi(SP_DMEM)
addiu $t0, %lo(SP_DMEM)
addi $t1, $t0, 0x1000
.LA4000740:
addiu $t0, $t0, 4
bne $t0, $t1, .LA4000740
sw $zero, -4($t0)
lui $t0, %hi(SP_IMEM)
addiu $t0, %lo(SP_IMEM)
addi $t1, $t0, 0x1000
.LA4000758:
addiu $t0, $t0, 4
bne $t0, $t1, .LA4000758
sw $zero, -4($t0)
lui $t3, %hi(D_B0000008)
lw $t1, %lo(D_B0000008)($t3)
jr $t1
nop
nop
func_A4000778:
addiu $sp, $sp, -0xa0
sw $s0, 0x40($sp)
sw $s1, 0x44($sp)
move $s1, $zero
move $s0, $zero
sw $v0, ($sp)
sw $v1, 4($sp)
sw $a0, 8($sp)
sw $a1, 0xc($sp)
sw $a2, 0x10($sp)
sw $a3, 0x14($sp)
sw $t0, 0x18($sp)
sw $t1, 0x1c($sp)
sw $t2, 0x20($sp)
sw $t3, 0x24($sp)
sw $t4, 0x28($sp)
sw $t5, 0x2c($sp)
sw $t6, 0x30($sp)
sw $t7, 0x34($sp)
sw $t8, 0x38($sp)
sw $t9, 0x3c($sp)
sw $s2, 0x48($sp)
sw $s3, 0x4c($sp)
sw $s4, 0x50($sp)
sw $s5, 0x54($sp)
sw $s6, 0x58($sp)
sw $s7, 0x5c($sp)
sw $fp, 0x60($sp)
sw $ra, 0x64($sp)
.LA40007EC:
jal func_A4000880
nop
addiu $s0, $s0, 1
slti $t1, $s0, 4
bnez $t1, .LA40007EC
addu $s1, $s1, $v0
srl $a0, $s1, 2
jal func_A4000A40
li $a1, 1
lw $ra, 0x64($sp)
srl $v0, $s1, 2
lw $s1, 0x44($sp)
lw $v1, 4($sp)
lw $a0, 8($sp)
lw $a1, 0xc($sp)
lw $a2, 0x10($sp)
lw $a3, 0x14($sp)
lw $t0, 0x18($sp)
lw $t1, 0x1c($sp)
lw $t2, 0x20($sp)
lw $t3, 0x24($sp)
lw $t4, 0x28($sp)
lw $t5, 0x2c($sp)
lw $t6, 0x30($sp)
lw $t7, 0x34($sp)
lw $t8, 0x38($sp)
lw $t9, 0x3c($sp)
lw $s0, 0x40($sp)
lw $s2, 0x48($sp)
lw $s3, 0x4c($sp)
lw $s4, 0x50($sp)
lw $s5, 0x54($sp)
lw $s6, 0x58($sp)
lw $s7, 0x5c($sp)
lw $fp, 0x60($sp)
jr $ra
addiu $sp, $sp, 0xa0
func_A4000880:
addiu $sp, $sp, -0x20
sw $ra, 0x1c($sp)
move $t1, $zero
move $t3, $zero
move $t4, $zero
.LA4000894:
slti $k0, $t4, 0x40
beql $k0, $zero, .LA40008FC
move $v0, $zero
jal func_A400090C
move $a0, $t4
blezl $v0, .LA40008CC
slti $k0, $t1, 0x50
subu $k0, $v0, $t1
multu $k0, $t4
move $t1, $v0
mflo $k0
addu $t3, $t3, $k0
nop
slti $k0, $t1, 0x50
.LA40008CC:
bnez $k0, .LA4000894
addiu $t4, $t4, 1
sll $a0, $t3, 2
subu $a0, $a0, $t3
sll $a0, $a0, 2
subu $a0, $a0, $t3
sll $a0, $a0, 1
jal func_A4000980
addiu $a0, $a0, -0x370
b .LA4000900
lw $ra, 0x1c($sp)
move $v0, $zero
.LA40008FC:
lw $ra, 0x1c($sp)
.LA4000900:
addiu $sp, $sp, 0x20
jr $ra
nop
func_A400090C:
addiu $sp, $sp, -0x28
sw $ra, 0x1c($sp)
move $v0, $zero
jal func_A4000A40
li $a1, 2
move $fp, $zero
li $k0, -1
.LA4000928:
sw $k0, 4($s4)
lw $v1, 4($s4)
sw $k0, ($s4)
sw $k0, ($s4)
move $gp, $zero
srl $v1, $v1, 0x10
.LA4000940:
andi $k0, $v1, 1
beql $k0, $zero, .LA4000954
addiu $gp, $gp, 1
addiu $v0, $v0, 1
addiu $gp, $gp, 1
.LA4000954:
slti $k0, $gp, 8
bnez $k0, .LA4000940
srl $v1, $v1, 1
addiu $fp, $fp, 1
slti $k0, $fp, 0xa
bnezl $k0, .LA4000928
li $k0, -1
lw $ra, 0x1c($sp)
addiu $sp, $sp, 0x28
jr $ra
nop
func_A4000980:
addiu $sp, $sp, -0x28
sw $ra, 0x1c($sp)
sw $a0, 0x20($sp)
sb $zero, 0x27($sp)
move $t0, $zero
move $t2, $zero
li $t5, 51200
move $t6, $zero
slti $k0, $t6, 0x40
.LA40009A4:
bnezl $k0, .LA40009B8
move $a0, $t6
b .LA4000A30
move $v0, $zero
move $a0, $t6
.LA40009B8:
jal func_A4000A40
li $a1, 1
jal func_A4000AD0
addiu $a0, $sp, 0x27
jal func_A4000AD0
addiu $a0, $sp, 0x27
lbu $k0, 0x27($sp)
li $k1, 800
lw $a0, 0x20($sp)
multu $k0, $k1
mflo $t0
subu $k0, $t0, $a0
bgezl $k0, .LA40009F8
slt $k1, $k0, $t5
subu $k0, $a0, $t0
slt $k1, $k0, $t5
.LA40009F8:
beql $k1, $zero, .LA4000A0C
lw $a0, 0x20($sp)
move $t5, $k0
move $t2, $t6
lw $a0, 0x20($sp)
.LA4000A0C:
slt $k1, $t0, $a0
beql $k1, $zero, .LA4000A2C
addu $v0, $t2, $t6
addiu $t6, $t6, 1
slti $k1, $t6, 0x41
bnezl $k1, .LA40009A4
slti $k0, $t6, 0x40
addu $v0, $t2, $t6
.LA4000A2C:
srl $v0, $v0, 1
.LA4000A30:
lw $ra, 0x1c($sp)
addiu $sp, $sp, 0x28
jr $ra
nop
func_A4000A40:
addiu $sp, $sp, -0x28
andi $a0, $a0, 0xff
li $k1, 1
xori $a0, $a0, 0x3f
sw $ra, 0x1c($sp)
bne $a1, $k1, .LA4000A64
lui $t7, 0x4600
lui $k0, 0x8000
or $t7, $t7, $k0
.LA4000A64:
andi $k0, $a0, 1
sll $k0, $k0, 6
or $t7, $t7, $k0
andi $k0, $a0, 2
sll $k0, $k0, 0xd
or $t7, $t7, $k0
andi $k0, $a0, 4
sll $k0, $k0, 0x14
or $t7, $t7, $k0
andi $k0, $a0, 8
sll $k0, $k0, 4
or $t7, $t7, $k0
andi $k0, $a0, 0x10
sll $k0, $k0, 0xb
or $t7, $t7, $k0
andi $k0, $a0, 0x20
sll $k0, $k0, 0x12
or $t7, $t7, $k0
li $k1, 1
bne $a1, $k1, .LA4000AC0
sw $t7, ($s5)
lui $k0, %hi(MI_MODE_REG)
sw $zero, %lo(MI_MODE_REG)($k0)
.LA4000AC0:
lw $ra, 0x1c($sp)
addiu $sp, $sp, 0x28
jr $ra
nop
func_A4000AD0:
addiu $sp, $sp, -0x28
sw $ra, 0x1c($sp)
li $k0, 0x2000
lui $k1, %hi(MI_MODE_REG)
sw $k0, %lo(MI_MODE_REG)($k1)
move $fp, $zero
lw $fp, ($s5)
li $k0, 0x1000
sw $k0, %lo(MI_MODE_REG)($k1)
li $k1, 0x40
and $k1, $k1, $fp
srl $k1, $k1, 6
move $k0, $zero
or $k0, $k0, $k1
li $k1, 0x4000
and $k1, $k1, $fp
srl $k1, $k1, 0xd
or $k0, $k0, $k1
li $k1, 0x400000
and $k1, $k1, $fp
srl $k1, $k1, 0x14
or $k0, $k0, $k1
li $k1, 0x80
and $k1, $k1, $fp
srl $k1, $k1, 4
or $k0, $k0, $k1
li $k1, 0x8000
and $k1, $k1, $fp
srl $k1, $k1, 0xb
or $k0, $k0, $k1
li $k1, 0x800000
and $k1, $k1, $fp
srl $k1, $k1, 0x12
or $k0, $k0, $k1
sb $k0, ($a0)
lw $ra, 0x1c($sp)
addiu $sp, $sp, 0x28
jr $ra
nop
nop
# 0xA4000B70-0xA4000FFF: IPL3 Font
glabel ipl3_font
.incbin "lib/bin/ipl3_font.bin"
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