From 8afab54c234038838604750e12a9cca38178a618 Mon Sep 17 00:00:00 2001
From: Random <28494085+Random06457@users.noreply.github.com>
Date: Mon, 8 Jun 2020 01:38:33 +0200
Subject: [PATCH] Decompile mempak.c (#191)

---
 asm/code_800BB570.s                           | 501 ------------------
 asm/code_80100040.s                           |   2 +-
 asm/code_801014C0.s                           |   2 +-
 asm/code_80101EB0.s                           |   8 +-
 asm/code_80103010.s                           |   2 +-
 asm/code_801041E0.s                           |   4 +-
 asm/code_80104D60.s                           |   2 +-
 asm/code_80104F40.s                           |   2 +-
 .../code/db_camera/func_800B8BA4.s            |  24 +-
 .../code/db_camera/func_800B9638.s            |  12 +-
 data/code_800BB570.bss.s                      |  19 -
 data/code_800BB570.data.s                     |  22 -
 data/code_800BB570.rodata.s                   |  42 --
 include/functions.h                           |  30 +-
 include/variables.h                           |   7 -
 include/z64.h                                 |  25 +-
 spec                                          |   5 +-
 src/code/mempak.c                             | 188 +++++++
 18 files changed, 257 insertions(+), 640 deletions(-)
 delete mode 100644 asm/code_800BB570.s
 delete mode 100644 data/code_800BB570.bss.s
 delete mode 100644 data/code_800BB570.data.s
 delete mode 100644 data/code_800BB570.rodata.s
 create mode 100644 src/code/mempak.c

diff --git a/asm/code_800BB570.s b/asm/code_800BB570.s
deleted file mode 100644
index 6cd5d8b77b..0000000000
--- a/asm/code_800BB570.s
+++ /dev/null
@@ -1,501 +0,0 @@
-.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 func_800BB570
-/* B32710 800BB570 27BDFFD8 */  addiu $sp, $sp, -0x28
-/* B32714 800BB574 AFA40028 */  sw    $a0, 0x28($sp)
-/* B32718 800BB578 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B3271C 800BB57C 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32720 800BB580 AFA0001C */  sw    $zero, 0x1c($sp)
-/* B32724 800BB584 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B32728 800BB588 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B3272C 800BB58C 3C058016 */  lui   $a1, %hi(D_801612F0) # $a1, 0x8016
-/* B32730 800BB590 AFA20024 */  sw    $v0, 0x24($sp)
-/* B32734 800BB594 24A512F0 */  addiu $a1, %lo(D_801612F0) # addiu $a1, $a1, 0x12f0
-/* B32738 800BB598 00402025 */  move  $a0, $v0
-/* B3273C 800BB59C 0C0413D0 */  jal   func_80104F40
-/* B32740 800BB5A0 8FA60028 */   lw    $a2, 0x28($sp)
-/* B32744 800BB5A4 14400003 */  bnez  $v0, .L800BB5B4
-/* B32748 800BB5A8 3C048016 */   lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B3274C 800BB5AC 240E0001 */  li    $t6, 1
-/* B32750 800BB5B0 AFAE001C */  sw    $t6, 0x1c($sp)
-.L800BB5B4:
-/* B32754 800BB5B4 3C058016 */  lui   $a1, %hi(D_80161358) # $a1, 0x8016
-/* B32758 800BB5B8 24A51358 */  addiu $a1, %lo(D_80161358) # addiu $a1, $a1, 0x1358
-/* B3275C 800BB5BC 0C040010 */  jal   func_80100040
-/* B32760 800BB5C0 248412F0 */   addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32764 800BB5C4 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32768 800BB5C8 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B3276C 800BB5CC 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B32770 800BB5D0 8FA50024 */   lw    $a1, 0x24($sp)
-/* B32774 800BB5D4 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B32778 800BB5D8 8FA2001C */  lw    $v0, 0x1c($sp)
-/* B3277C 800BB5DC 27BD0028 */  addiu $sp, $sp, 0x28
-/* B32780 800BB5E0 03E00008 */  jr    $ra
-/* B32784 800BB5E4 00000000 */   nop   
-
-glabel func_800BB5E8
-/* B32788 800BB5E8 3C028016 */  lui   $v0, %hi(D_80161358)
-/* B3278C 800BB5EC AFA40000 */  sw    $a0, ($sp)
-/* B32790 800BB5F0 03E00008 */  jr    $ra
-/* B32794 800BB5F4 8C421358 */   lw    $v0, %lo(D_80161358)($v0)
-
-glabel func_800BB5F8
-/* B32798 800BB5F8 27BDFF98 */  addiu $sp, $sp, -0x68
-/* B3279C 800BB5FC AFA40068 */  sw    $a0, 0x68($sp)
-/* B327A0 800BB600 AFBF0044 */  sw    $ra, 0x44($sp)
-/* B327A4 800BB604 AFB50034 */  sw    $s5, 0x34($sp)
-/* B327A8 800BB608 AFB3002C */  sw    $s3, 0x2c($sp)
-/* B327AC 800BB60C AFB10024 */  sw    $s1, 0x24($sp)
-/* B327B0 800BB610 AFB00020 */  sw    $s0, 0x20($sp)
-/* B327B4 800BB614 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B327B8 800BB618 30B000FF */  andi  $s0, $a1, 0xff
-/* B327BC 800BB61C 30D100FF */  andi  $s1, $a2, 0xff
-/* B327C0 800BB620 AFBE0040 */  sw    $fp, 0x40($sp)
-/* B327C4 800BB624 AFB7003C */  sw    $s7, 0x3c($sp)
-/* B327C8 800BB628 AFB60038 */  sw    $s6, 0x38($sp)
-/* B327CC 800BB62C AFB40030 */  sw    $s4, 0x30($sp)
-/* B327D0 800BB630 AFB20028 */  sw    $s2, 0x28($sp)
-/* B327D4 800BB634 AFA5006C */  sw    $a1, 0x6c($sp)
-/* B327D8 800BB638 AFA60070 */  sw    $a2, 0x70($sp)
-/* B327DC 800BB63C 24130001 */  li    $s3, 1
-/* B327E0 800BB640 0000A825 */  move  $s5, $zero
-/* B327E4 800BB644 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B327E8 800BB648 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B327EC 800BB64C 0230082A */  slt   $at, $s1, $s0
-/* B327F0 800BB650 AFA20064 */  sw    $v0, 0x64($sp)
-/* B327F4 800BB654 321200FF */  andi  $s2, $s0, 0xff
-/* B327F8 800BB658 AFB10050 */  sw    $s1, 0x50($sp)
-/* B327FC 800BB65C 1420002A */  bnez  $at, .L800BB708
-/* B32800 800BB660 AFB0004C */   sw    $s0, 0x4c($sp)
-/* B32804 800BB664 3C1E8013 */  lui   $fp, %hi(D_8012D184) # $fp, 0x8013
-/* B32808 800BB668 3C178013 */  lui   $s7, %hi(D_8012D180) # $s7, 0x8013
-/* B3280C 800BB66C 3C168016 */  lui   $s6, %hi(D_801612F0) # $s6, 0x8016
-/* B32810 800BB670 3C148013 */  lui   $s4, %hi(D_8012D198) # $s4, 0x8013
-/* B32814 800BB674 2694D198 */  addiu $s4, %lo(D_8012D198) # addiu $s4, $s4, -0x2e68
-/* B32818 800BB678 26D612F0 */  addiu $s6, %lo(D_801612F0) # addiu $s6, $s6, 0x12f0
-/* B3281C 800BB67C 26F7D180 */  addiu $s7, %lo(D_8012D180) # addiu $s7, $s7, -0x2e80
-/* B32820 800BB680 27DED184 */  addiu $fp, %lo(D_8012D184) # addiu $fp, $fp, -0x2e7c
-/* B32824 800BB684 02408025 */  move  $s0, $s2
-.L800BB688:
-/* B32828 800BB688 3C088016 */  lui   $t0, %hi(D_80161360) # $t0, 0x8016
-/* B3282C 800BB68C 25081360 */  addiu $t0, %lo(D_80161360) # addiu $t0, $t0, 0x1360
-/* B32830 800BB690 0010C880 */  sll   $t9, $s0, 2
-/* B32834 800BB694 03288821 */  addu  $s1, $t9, $t0
-/* B32838 800BB698 2618FFD9 */  addiu $t8, $s0, -0x27
-/* B3283C 800BB69C 2629FEFC */  addiu $t1, $s1, -0x104
-/* B32840 800BB6A0 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32844 800BB6A4 A2980000 */  sb    $t8, ($s4)
-/* B32848 800BB6A8 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B3284C 800BB6AC AFA90014 */  sw    $t1, 0x14($sp)
-/* B32850 800BB6B0 02C02025 */  move  $a0, $s6
-/* B32854 800BB6B4 96E50000 */  lhu   $a1, ($s7)
-/* B32858 800BB6B8 8FC60000 */  lw    $a2, ($fp)
-/* B3285C 800BB6BC 0C040C04 */  jal   func_80103010
-/* B32860 800BB6C0 AFB40010 */   sw    $s4, 0x10($sp)
-/* B32864 800BB6C4 14400003 */  bnez  $v0, .L800BB6D4
-/* B32868 800BB6C8 00403025 */   move  $a2, $v0
-/* B3286C 800BB6CC 10000003 */  b     .L800BB6DC
-/* B32870 800BB6D0 02B3A825 */   or    $s5, $s5, $s3
-.L800BB6D4:
-/* B32874 800BB6D4 240AFFFF */  li    $t2, -1
-/* B32878 800BB6D8 AE2AFEFC */  sw    $t2, -0x104($s1)
-.L800BB6DC:
-/* B3287C 800BB6DC 3C048014 */  lui   $a0, %hi(D_80143CF0) # $a0, 0x8014
-/* B32880 800BB6E0 00139840 */  sll   $s3, $s3, 1
-/* B32884 800BB6E4 24843CF0 */  addiu $a0, %lo(D_80143CF0) # addiu $a0, $a0, 0x3cf0
-/* B32888 800BB6E8 0C00084C */  jal   osSyncPrintf
-/* B3288C 800BB6EC 02002825 */   move  $a1, $s0
-/* B32890 800BB6F0 8FAB0050 */  lw    $t3, 0x50($sp)
-/* B32894 800BB6F4 26520001 */  addiu $s2, $s2, 1
-/* B32898 800BB6F8 325200FF */  andi  $s2, $s2, 0xff
-/* B3289C 800BB6FC 0172082A */  slt   $at, $t3, $s2
-/* B328A0 800BB700 1020FFE1 */  beqz  $at, .L800BB688
-/* B328A4 800BB704 02408025 */   move  $s0, $s2
-.L800BB708:
-/* B328A8 800BB708 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B328AC 800BB70C 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B328B0 800BB710 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B328B4 800BB714 8FA50064 */   lw    $a1, 0x64($sp)
-/* B328B8 800BB718 3C048014 */  lui   $a0, %hi(D_80143D08) # $a0, 0x8014
-/* B328BC 800BB71C 24843D08 */  addiu $a0, %lo(D_80143D08) # addiu $a0, $a0, 0x3d08
-/* B328C0 800BB720 8FA5004C */  lw    $a1, 0x4c($sp)
-/* B328C4 800BB724 8FA60050 */  lw    $a2, 0x50($sp)
-/* B328C8 800BB728 0C00084C */  jal   osSyncPrintf
-/* B328CC 800BB72C 02A03825 */   move  $a3, $s5
-/* B328D0 800BB730 8FBF0044 */  lw    $ra, 0x44($sp)
-/* B328D4 800BB734 02A01025 */  move  $v0, $s5
-/* B328D8 800BB738 8FB50034 */  lw    $s5, 0x34($sp)
-/* B328DC 800BB73C 8FB00020 */  lw    $s0, 0x20($sp)
-/* B328E0 800BB740 8FB10024 */  lw    $s1, 0x24($sp)
-/* B328E4 800BB744 8FB20028 */  lw    $s2, 0x28($sp)
-/* B328E8 800BB748 8FB3002C */  lw    $s3, 0x2c($sp)
-/* B328EC 800BB74C 8FB40030 */  lw    $s4, 0x30($sp)
-/* B328F0 800BB750 8FB60038 */  lw    $s6, 0x38($sp)
-/* B328F4 800BB754 8FB7003C */  lw    $s7, 0x3c($sp)
-/* B328F8 800BB758 8FBE0040 */  lw    $fp, 0x40($sp)
-/* B328FC 800BB75C 03E00008 */  jr    $ra
-/* B32900 800BB760 27BD0068 */   addiu $sp, $sp, 0x68
-
-glabel func_800BB764
-/* B32904 800BB764 27BDFFC8 */  addiu $sp, $sp, -0x38
-/* B32908 800BB768 AFA40038 */  sw    $a0, 0x38($sp)
-/* B3290C 800BB76C AFBF001C */  sw    $ra, 0x1c($sp)
-/* B32910 800BB770 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32914 800BB774 AFA5003C */  sw    $a1, 0x3c($sp)
-/* B32918 800BB778 AFA60040 */  sw    $a2, 0x40($sp)
-/* B3291C 800BB77C AFA70044 */  sw    $a3, 0x44($sp)
-/* B32920 800BB780 AFA0002C */  sw    $zero, 0x2c($sp)
-/* B32924 800BB784 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B32928 800BB788 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B3292C 800BB78C 3C0E8016 */  lui   $t6, %hi(D_80161358) # $t6, 0x8016
-/* B32930 800BB790 8FA80048 */  lw    $t0, 0x48($sp)
-/* B32934 800BB794 8DCE1358 */  lw    $t6, %lo(D_80161358)($t6)
-/* B32938 800BB798 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B3293C 800BB79C AFA20034 */  sw    $v0, 0x34($sp)
-/* B32940 800BB7A0 010E082A */  slt   $at, $t0, $t6
-/* B32944 800BB7A4 1020001B */  beqz  $at, .L800BB814
-/* B32948 800BB7A8 248412F0 */   addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B3294C 800BB7AC 93A2003F */  lbu   $v0, 0x3f($sp)
-/* B32950 800BB7B0 3C188016 */  lui   $t8, %hi(D_80161360) # $t8, 0x8016
-/* B32954 800BB7B4 8FB90040 */  lw    $t9, 0x40($sp)
-/* B32958 800BB7B8 27181360 */  addiu $t8, %lo(D_80161360) # addiu $t8, $t8, 0x1360
-/* B3295C 800BB7BC 00027880 */  sll   $t7, $v0, 2
-/* B32960 800BB7C0 01F81821 */  addu  $v1, $t7, $t8
-/* B32964 800BB7C4 8C65FEFC */  lw    $a1, -0x104($v1)
-/* B32968 800BB7C8 AFA30020 */  sw    $v1, 0x20($sp)
-/* B3296C 800BB7CC 24060001 */  li    $a2, 1
-/* B32970 800BB7D0 8FA70044 */  lw    $a3, 0x44($sp)
-/* B32974 800BB7D4 AFA80010 */  sw    $t0, 0x10($sp)
-/* B32978 800BB7D8 AFA20024 */  sw    $v0, 0x24($sp)
-/* B3297C 800BB7DC 0C040565 */  jal   func_80101594
-/* B32980 800BB7E0 AFB90014 */   sw    $t9, 0x14($sp)
-/* B32984 800BB7E4 8FA30020 */  lw    $v1, 0x20($sp)
-/* B32988 800BB7E8 14400003 */  bnez  $v0, .L800BB7F8
-/* B3298C 800BB7EC 00404025 */   move  $t0, $v0
-/* B32990 800BB7F0 24090001 */  li    $t1, 1
-/* B32994 800BB7F4 AFA9002C */  sw    $t1, 0x2c($sp)
-.L800BB7F8:
-/* B32998 800BB7F8 3C048014 */  lui   $a0, %hi(D_80143D28) # $a0, 0x8014
-/* B3299C 800BB7FC 24843D28 */  addiu $a0, %lo(D_80143D28) # addiu $a0, $a0, 0x3d28
-/* B329A0 800BB800 8FA50048 */  lw    $a1, 0x48($sp)
-/* B329A4 800BB804 8FA60024 */  lw    $a2, 0x24($sp)
-/* B329A8 800BB808 8C67FEFC */  lw    $a3, -0x104($v1)
-/* B329AC 800BB80C 0C00084C */  jal   osSyncPrintf
-/* B329B0 800BB810 AFA80010 */   sw    $t0, 0x10($sp)
-.L800BB814:
-/* B329B4 800BB814 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B329B8 800BB818 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B329BC 800BB81C 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B329C0 800BB820 8FA50034 */   lw    $a1, 0x34($sp)
-/* B329C4 800BB824 8FBF001C */  lw    $ra, 0x1c($sp)
-/* B329C8 800BB828 8FA2002C */  lw    $v0, 0x2c($sp)
-/* B329CC 800BB82C 27BD0038 */  addiu $sp, $sp, 0x38
-/* B329D0 800BB830 03E00008 */  jr    $ra
-/* B329D4 800BB834 00000000 */   nop   
-
-glabel func_800BB838
-/* B329D8 800BB838 27BDFFC8 */  addiu $sp, $sp, -0x38
-/* B329DC 800BB83C AFA40038 */  sw    $a0, 0x38($sp)
-/* B329E0 800BB840 AFBF001C */  sw    $ra, 0x1c($sp)
-/* B329E4 800BB844 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B329E8 800BB848 AFA5003C */  sw    $a1, 0x3c($sp)
-/* B329EC 800BB84C AFA60040 */  sw    $a2, 0x40($sp)
-/* B329F0 800BB850 AFA70044 */  sw    $a3, 0x44($sp)
-/* B329F4 800BB854 AFA0002C */  sw    $zero, 0x2c($sp)
-/* B329F8 800BB858 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B329FC 800BB85C 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32A00 800BB860 3C0E8016 */  lui   $t6, %hi(D_80161358) # $t6, 0x8016
-/* B32A04 800BB864 8FA80048 */  lw    $t0, 0x48($sp)
-/* B32A08 800BB868 8DCE1358 */  lw    $t6, %lo(D_80161358)($t6)
-/* B32A0C 800BB86C 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32A10 800BB870 AFA20034 */  sw    $v0, 0x34($sp)
-/* B32A14 800BB874 010E082A */  slt   $at, $t0, $t6
-/* B32A18 800BB878 1020001B */  beqz  $at, .L800BB8E8
-/* B32A1C 800BB87C 248412F0 */   addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32A20 800BB880 93A2003F */  lbu   $v0, 0x3f($sp)
-/* B32A24 800BB884 3C188016 */  lui   $t8, %hi(D_80161360) # $t8, 0x8016
-/* B32A28 800BB888 8FB90040 */  lw    $t9, 0x40($sp)
-/* B32A2C 800BB88C 27181360 */  addiu $t8, %lo(D_80161360) # addiu $t8, $t8, 0x1360
-/* B32A30 800BB890 00027880 */  sll   $t7, $v0, 2
-/* B32A34 800BB894 01F81821 */  addu  $v1, $t7, $t8
-/* B32A38 800BB898 8C65FEFC */  lw    $a1, -0x104($v1)
-/* B32A3C 800BB89C AFA30020 */  sw    $v1, 0x20($sp)
-/* B32A40 800BB8A0 00003025 */  move  $a2, $zero
-/* B32A44 800BB8A4 8FA70044 */  lw    $a3, 0x44($sp)
-/* B32A48 800BB8A8 AFA80010 */  sw    $t0, 0x10($sp)
-/* B32A4C 800BB8AC AFA20024 */  sw    $v0, 0x24($sp)
-/* B32A50 800BB8B0 0C040565 */  jal   func_80101594
-/* B32A54 800BB8B4 AFB90014 */   sw    $t9, 0x14($sp)
-/* B32A58 800BB8B8 8FA30020 */  lw    $v1, 0x20($sp)
-/* B32A5C 800BB8BC 14400003 */  bnez  $v0, .L800BB8CC
-/* B32A60 800BB8C0 00404025 */   move  $t0, $v0
-/* B32A64 800BB8C4 24090001 */  li    $t1, 1
-/* B32A68 800BB8C8 AFA9002C */  sw    $t1, 0x2c($sp)
-.L800BB8CC:
-/* B32A6C 800BB8CC 3C048014 */  lui   $a0, %hi(D_80143D50) # $a0, 0x8014
-/* B32A70 800BB8D0 24843D50 */  addiu $a0, %lo(D_80143D50) # addiu $a0, $a0, 0x3d50
-/* B32A74 800BB8D4 8FA50048 */  lw    $a1, 0x48($sp)
-/* B32A78 800BB8D8 8FA60024 */  lw    $a2, 0x24($sp)
-/* B32A7C 800BB8DC 8C67FEFC */  lw    $a3, -0x104($v1)
-/* B32A80 800BB8E0 0C00084C */  jal   osSyncPrintf
-/* B32A84 800BB8E4 AFA80010 */   sw    $t0, 0x10($sp)
-.L800BB8E8:
-/* B32A88 800BB8E8 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32A8C 800BB8EC 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32A90 800BB8F0 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B32A94 800BB8F4 8FA50034 */   lw    $a1, 0x34($sp)
-/* B32A98 800BB8F8 8FBF001C */  lw    $ra, 0x1c($sp)
-/* B32A9C 800BB8FC 8FA2002C */  lw    $v0, 0x2c($sp)
-/* B32AA0 800BB900 27BD0038 */  addiu $sp, $sp, 0x38
-/* B32AA4 800BB904 03E00008 */  jr    $ra
-/* B32AA8 800BB908 00000000 */   nop   
-
-glabel func_800BB90C
-/* B32AAC 800BB90C 27BDFFC0 */  addiu $sp, $sp, -0x40
-/* B32AB0 800BB910 AFA40040 */  sw    $a0, 0x40($sp)
-/* B32AB4 800BB914 AFBF002C */  sw    $ra, 0x2c($sp)
-/* B32AB8 800BB918 AFB00028 */  sw    $s0, 0x28($sp)
-/* B32ABC 800BB91C 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32AC0 800BB920 00A08025 */  move  $s0, $a1
-/* B32AC4 800BB924 AFA60048 */  sw    $a2, 0x48($sp)
-/* B32AC8 800BB928 AFA00034 */  sw    $zero, 0x34($sp)
-/* B32ACC 800BB92C 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B32AD0 800BB930 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32AD4 800BB934 AFA2003C */  sw    $v0, 0x3c($sp)
-/* B32AD8 800BB938 92030000 */  lbu   $v1, ($s0)
-/* B32ADC 800BB93C 00001025 */  move  $v0, $zero
-/* B32AE0 800BB940 2405000A */  li    $a1, 10
-/* B32AE4 800BB944 28610041 */  slti  $at, $v1, 0x41
-/* B32AE8 800BB948 14200058 */  bnez  $at, .L800BBAAC
-/* B32AEC 800BB94C 2404FFFF */   li    $a0, -1
-/* B32AF0 800BB950 2861004C */  slti  $at, $v1, 0x4c
-/* B32AF4 800BB954 10200055 */  beqz  $at, .L800BBAAC
-/* B32AF8 800BB958 3C088013 */   lui   $t0, %hi(D_8012D198) # $t0, 0x8013
-/* B32AFC 800BB95C 2508D198 */  addiu $t0, %lo(D_8012D198) # addiu $t0, $t0, -0x2e68
-/* B32B00 800BB960 246EFFD9 */  addiu $t6, $v1, -0x27
-/* B32B04 800BB964 A10E0000 */  sb    $t6, ($t0)
-/* B32B08 800BB968 92030000 */  lbu   $v1, ($s0)
-/* B32B0C 800BB96C 3C188016 */  lui   $t8, %hi(D_80161360) # $t8, 0x8016
-/* B32B10 800BB970 27181360 */  addiu $t8, %lo(D_80161360) # addiu $t8, $t8, 0x1360
-/* B32B14 800BB974 00037880 */  sll   $t7, $v1, 2
-/* B32B18 800BB978 01F81021 */  addu  $v0, $t7, $t8
-/* B32B1C 800BB97C 8C59FEFC */  lw    $t9, -0x104($v0)
-/* B32B20 800BB980 2404FFFF */  li    $a0, -1
-/* B32B24 800BB984 3C058013 */  lui   $a1,  %hi(D_8012D180)
-/* B32B28 800BB988 1499001A */  bne   $a0, $t9, .L800BB9F4
-/* B32B2C 800BB98C 246CFFD9 */   addiu $t4, $v1, -0x27
-/* B32B30 800BB990 8FA90048 */  lw    $t1, 0x48($sp)
-/* B32B34 800BB994 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32B38 800BB998 3C058013 */  lui   $a1, %hi(D_8012D180) # $a1, 0x8013
-/* B32B3C 800BB99C 3C068013 */  lui   $a2, %hi(D_8012D184) # $a2, 0x8013
-/* B32B40 800BB9A0 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32B44 800BB9A4 244AFEFC */  addiu $t2, $v0, -0x104
-/* B32B48 800BB9A8 AFAA0018 */  sw    $t2, 0x18($sp)
-/* B32B4C 800BB9AC 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B32B50 800BB9B0 8CC6D184 */  lw    $a2, %lo(D_8012D184)($a2)
-/* B32B54 800BB9B4 94A5D180 */  lhu   $a1, %lo(D_8012D180)($a1)
-/* B32B58 800BB9B8 248412F0 */  addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32B5C 800BB9BC AFA80010 */  sw    $t0, 0x10($sp)
-/* B32B60 800BB9C0 0C0407AC */  jal   func_80101EB0
-/* B32B64 800BB9C4 AFA90014 */   sw    $t1, 0x14($sp)
-/* B32B68 800BB9C8 14400003 */  bnez  $v0, .L800BB9D8
-/* B32B6C 800BB9CC 00403825 */   move  $a3, $v0
-/* B32B70 800BB9D0 240B0001 */  li    $t3, 1
-/* B32B74 800BB9D4 AFAB0034 */  sw    $t3, 0x34($sp)
-.L800BB9D8:
-/* B32B78 800BB9D8 3C048014 */  lui   $a0, %hi(D_80143D74) # $a0, 0x8014
-/* B32B7C 800BB9DC 24843D74 */  addiu $a0, %lo(D_80143D74) # addiu $a0, $a0, 0x3d74
-/* B32B80 800BB9E0 8FA50048 */  lw    $a1, 0x48($sp)
-/* B32B84 800BB9E4 0C00084C */  jal   osSyncPrintf
-/* B32B88 800BB9E8 92060000 */   lbu   $a2, ($s0)
-/* B32B8C 800BB9EC 10000056 */  b     .L800BBB48
-/* B32B90 800BB9F0 00000000 */   nop   
-.L800BB9F4:
-/* B32B94 800BB9F4 A10C0000 */  sb    $t4, ($t0)
-/* B32B98 800BB9F8 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32B9C 800BB9FC 3C068013 */  lui   $a2, %hi(D_8012D184) # $a2, 0x8013
-/* B32BA0 800BBA00 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32BA4 800BBA04 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B32BA8 800BBA08 8CC6D184 */  lw    $a2, %lo(D_8012D184)($a2)
-/* B32BAC 800BBA0C 248412F0 */  addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32BB0 800BBA10 94A5D180 */  lhu   $a1, %lo(D_8012D180)($a1)
-/* B32BB4 800BBA14 0C041078 */  jal   func_801041E0
-/* B32BB8 800BBA18 AFA80010 */   sw    $t0, 0x10($sp)
-/* B32BBC 800BBA1C 3C088013 */  lui   $t0, %hi(D_8012D198) # $t0, 0x8013
-/* B32BC0 800BBA20 14400003 */  bnez  $v0, .L800BBA30
-/* B32BC4 800BBA24 2508D198 */   addiu $t0, %lo(D_8012D198) # addiu $t0, $t0, -0x2e68
-/* B32BC8 800BBA28 240D0001 */  li    $t5, 1
-/* B32BCC 800BBA2C AFAD0034 */  sw    $t5, 0x34($sp)
-.L800BBA30:
-/* B32BD0 800BBA30 8FAE0048 */  lw    $t6, 0x48($sp)
-/* B32BD4 800BBA34 AFA80010 */  sw    $t0, 0x10($sp)
-/* B32BD8 800BBA38 3C098016 */  lui   $t1, %hi(D_80161360) # $t1, 0x8016
-/* B32BDC 800BBA3C AFAE0014 */  sw    $t6, 0x14($sp)
-/* B32BE0 800BBA40 920F0000 */  lbu   $t7, ($s0)
-/* B32BE4 800BBA44 25291360 */  addiu $t1, %lo(D_80161360) # addiu $t1, $t1, 0x1360
-/* B32BE8 800BBA48 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32BEC 800BBA4C 000FC080 */  sll   $t8, $t7, 2
-/* B32BF0 800BBA50 2719FEFC */  addiu $t9, $t8, -0x104
-/* B32BF4 800BBA54 03295021 */  addu  $t2, $t9, $t1
-/* B32BF8 800BBA58 3C058013 */  lui   $a1, %hi(D_8012D180) # $a1, 0x8013
-/* B32BFC 800BBA5C 3C068013 */  lui   $a2, %hi(D_8012D184) # $a2, 0x8013
-/* B32C00 800BBA60 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32C04 800BBA64 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B32C08 800BBA68 8CC6D184 */  lw    $a2, %lo(D_8012D184)($a2)
-/* B32C0C 800BBA6C 94A5D180 */  lhu   $a1, %lo(D_8012D180)($a1)
-/* B32C10 800BBA70 AFAA0018 */  sw    $t2, 0x18($sp)
-/* B32C14 800BBA74 0C0407AC */  jal   func_80101EB0
-/* B32C18 800BBA78 248412F0 */   addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32C1C 800BBA7C 14400004 */  bnez  $v0, .L800BBA90
-/* B32C20 800BBA80 00403825 */   move  $a3, $v0
-/* B32C24 800BBA84 8FAB0034 */  lw    $t3, 0x34($sp)
-/* B32C28 800BBA88 356C0001 */  ori   $t4, $t3, 1
-/* B32C2C 800BBA8C AFAC0034 */  sw    $t4, 0x34($sp)
-.L800BBA90:
-/* B32C30 800BBA90 3C048014 */  lui   $a0, %hi(D_80143D98) # $a0, 0x8014
-/* B32C34 800BBA94 24843D98 */  addiu $a0, %lo(D_80143D98) # addiu $a0, $a0, 0x3d98
-/* B32C38 800BBA98 8FA50048 */  lw    $a1, 0x48($sp)
-/* B32C3C 800BBA9C 0C00084C */  jal   osSyncPrintf
-/* B32C40 800BBAA0 92060000 */   lbu   $a2, ($s0)
-/* B32C44 800BBAA4 10000028 */  b     .L800BBB48
-/* B32C48 800BBAA8 00000000 */   nop   
-.L800BBAAC:
-/* B32C4C 800BBAAC 3C038016 */  lui   $v1, %hi(D_80161360) # $v1, 0x8016
-/* B32C50 800BBAB0 24631360 */  addiu $v1, %lo(D_80161360) # addiu $v1, $v1, 0x1360
-.L800BBAB4:
-/* B32C54 800BBAB4 8C6D0000 */  lw    $t5, ($v1)
-/* B32C58 800BBAB8 508D0005 */  beql  $a0, $t5, .L800BBAD0
-/* B32C5C 800BBABC 244F0041 */   addiu $t7, $v0, 0x41
-/* B32C60 800BBAC0 24420001 */  addiu $v0, $v0, 1
-/* B32C64 800BBAC4 1445FFFB */  bne   $v0, $a1, .L800BBAB4
-/* B32C68 800BBAC8 24630004 */   addiu $v1, $v1, 4
-/* B32C6C 800BBACC 244F0041 */  addiu $t7, $v0, 0x41
-.L800BBAD0:
-/* B32C70 800BBAD0 A20F0000 */  sb    $t7, ($s0)
-/* B32C74 800BBAD4 3C088013 */  lui   $t0, %hi(D_8012D198) # $t0, 0x8013
-/* B32C78 800BBAD8 8FB90048 */  lw    $t9, 0x48($sp)
-/* B32C7C 800BBADC 2508D198 */  addiu $t0, %lo(D_8012D198) # addiu $t0, $t0, -0x2e68
-/* B32C80 800BBAE0 25F8FFD9 */  addiu $t8, $t7, -0x27
-/* B32C84 800BBAE4 A1180000 */  sb    $t8, ($t0)
-/* B32C88 800BBAE8 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32C8C 800BBAEC 3C058013 */  lui   $a1, %hi(D_8012D180) # $a1, 0x8013
-/* B32C90 800BBAF0 3C068013 */  lui   $a2, %hi(D_8012D184) # $a2, 0x8013
-/* B32C94 800BBAF4 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32C98 800BBAF8 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B32C9C 800BBAFC 8CC6D184 */  lw    $a2, %lo(D_8012D184)($a2)
-/* B32CA0 800BBB00 94A5D180 */  lhu   $a1, %lo(D_8012D180)($a1)
-/* B32CA4 800BBB04 248412F0 */  addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32CA8 800BBB08 AFA80010 */  sw    $t0, 0x10($sp)
-/* B32CAC 800BBB0C AFA30018 */  sw    $v1, 0x18($sp)
-/* B32CB0 800BBB10 0C0407AC */  jal   func_80101EB0
-/* B32CB4 800BBB14 AFB90014 */   sw    $t9, 0x14($sp)
-/* B32CB8 800BBB18 AFA20038 */  sw    $v0, 0x38($sp)
-/* B32CBC 800BBB1C 3C048014 */  lui   $a0, %hi(D_80143DBC) # $a0, 0x8014
-/* B32CC0 800BBB20 24843DBC */  addiu $a0, %lo(D_80143DBC) # addiu $a0, $a0, 0x3dbc
-/* B32CC4 800BBB24 92060000 */  lbu   $a2, ($s0)
-/* B32CC8 800BBB28 8FA50048 */  lw    $a1, 0x48($sp)
-/* B32CCC 800BBB2C 0C00084C */  jal   osSyncPrintf
-/* B32CD0 800BBB30 00403825 */   move  $a3, $v0
-/* B32CD4 800BBB34 8FA90038 */  lw    $t1, 0x38($sp)
-/* B32CD8 800BBB38 240A0001 */  li    $t2, 1
-/* B32CDC 800BBB3C 15200002 */  bnez  $t1, .L800BBB48
-/* B32CE0 800BBB40 00000000 */   nop   
-/* B32CE4 800BBB44 AFAA0034 */  sw    $t2, 0x34($sp)
-.L800BBB48:
-/* B32CE8 800BBB48 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32CEC 800BBB4C 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32CF0 800BBB50 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B32CF4 800BBB54 8FA5003C */   lw    $a1, 0x3c($sp)
-/* B32CF8 800BBB58 8FBF002C */  lw    $ra, 0x2c($sp)
-/* B32CFC 800BBB5C 8FA20034 */  lw    $v0, 0x34($sp)
-/* B32D00 800BBB60 8FB00028 */  lw    $s0, 0x28($sp)
-/* B32D04 800BBB64 03E00008 */  jr    $ra
-/* B32D08 800BBB68 27BD0040 */   addiu $sp, $sp, 0x40
-
-glabel func_800BBB6C
-/* B32D0C 800BBB6C 27BDFFD0 */  addiu $sp, $sp, -0x30
-/* B32D10 800BBB70 AFA40030 */  sw    $a0, 0x30($sp)
-/* B32D14 800BBB74 AFBF001C */  sw    $ra, 0x1c($sp)
-/* B32D18 800BBB78 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32D1C 800BBB7C AFA50034 */  sw    $a1, 0x34($sp)
-/* B32D20 800BBB80 AFA00024 */  sw    $zero, 0x24($sp)
-/* B32D24 800BBB84 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B32D28 800BBB88 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32D2C 800BBB8C 93A30037 */  lbu   $v1, 0x37($sp)
-/* B32D30 800BBB90 3C088013 */  lui   $t0, %hi(D_8012D198) # $t0, 0x8013
-/* B32D34 800BBB94 2508D198 */  addiu $t0, %lo(D_8012D198) # addiu $t0, $t0, -0x2e68
-/* B32D38 800BBB98 246EFFD9 */  addiu $t6, $v1, -0x27
-/* B32D3C 800BBB9C A10E0000 */  sb    $t6, ($t0)
-/* B32D40 800BBBA0 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32D44 800BBBA4 3C058013 */  lui   $a1, %hi(D_8012D180) # $a1, 0x8013
-/* B32D48 800BBBA8 3C068013 */  lui   $a2, %hi(D_8012D184) # $a2, 0x8013
-/* B32D4C 800BBBAC 3C078013 */  lui   $a3, %hi(D_8012D188) # $a3, 0x8013
-/* B32D50 800BBBB0 AFA2002C */  sw    $v0, 0x2c($sp)
-/* B32D54 800BBBB4 24E7D188 */  addiu $a3, %lo(D_8012D188) # addiu $a3, $a3, -0x2e78
-/* B32D58 800BBBB8 8CC6D184 */  lw    $a2, %lo(D_8012D184)($a2)
-/* B32D5C 800BBBBC 94A5D180 */  lhu   $a1, %lo(D_8012D180)($a1)
-/* B32D60 800BBBC0 248412F0 */  addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32D64 800BBBC4 AFA80010 */  sw    $t0, 0x10($sp)
-/* B32D68 800BBBC8 0C041078 */  jal   func_801041E0
-/* B32D6C 800BBBCC AFA30020 */   sw    $v1, 0x20($sp)
-/* B32D70 800BBBD0 14400003 */  bnez  $v0, .L800BBBE0
-/* B32D74 800BBBD4 00403025 */   move  $a2, $v0
-/* B32D78 800BBBD8 240F0001 */  li    $t7, 1
-/* B32D7C 800BBBDC AFAF0024 */  sw    $t7, 0x24($sp)
-.L800BBBE0:
-/* B32D80 800BBBE0 3C048014 */  lui   $a0, %hi(D_80143DEC) # $a0, 0x8014
-/* B32D84 800BBBE4 24843DEC */  addiu $a0, %lo(D_80143DEC) # addiu $a0, $a0, 0x3dec
-/* B32D88 800BBBE8 0C00084C */  jal   osSyncPrintf
-/* B32D8C 800BBBEC 8FA50020 */   lw    $a1, 0x20($sp)
-/* B32D90 800BBBF0 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32D94 800BBBF4 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32D98 800BBBF8 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B32D9C 800BBBFC 8FA5002C */   lw    $a1, 0x2c($sp)
-/* B32DA0 800BBC00 8FBF001C */  lw    $ra, 0x1c($sp)
-/* B32DA4 800BBC04 8FA20024 */  lw    $v0, 0x24($sp)
-/* B32DA8 800BBC08 27BD0030 */  addiu $sp, $sp, 0x30
-/* B32DAC 800BBC0C 03E00008 */  jr    $ra
-/* B32DB0 800BBC10 00000000 */   nop   
-
-glabel func_800BBC14
-/* B32DB4 800BBC14 27BDFFB8 */  addiu $sp, $sp, -0x48
-/* B32DB8 800BBC18 AFA40048 */  sw    $a0, 0x48($sp)
-/* B32DBC 800BBC1C AFBF0014 */  sw    $ra, 0x14($sp)
-/* B32DC0 800BBC20 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32DC4 800BBC24 AFA5004C */  sw    $a1, 0x4c($sp)
-/* B32DC8 800BBC28 0C031C94 */  jal   PadMgr_LockSerialMesgQueue
-/* B32DCC 800BBC2C 248468C0 */   addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32DD0 800BBC30 93AE004F */  lbu   $t6, 0x4f($sp)
-/* B32DD4 800BBC34 3C058016 */  lui   $a1, %hi(D_8016125C)
-/* B32DD8 800BBC38 3C048016 */  lui   $a0, %hi(D_801612F0) # $a0, 0x8016
-/* B32DDC 800BBC3C 000E7880 */  sll   $t7, $t6, 2
-/* B32DE0 800BBC40 00AF2821 */  addu  $a1, $a1, $t7
-/* B32DE4 800BBC44 AFA20044 */  sw    $v0, 0x44($sp)
-/* B32DE8 800BBC48 8CA5125C */  lw    $a1, %lo(D_8016125C)($a1)
-/* B32DEC 800BBC4C 248412F0 */  addiu $a0, %lo(D_801612F0) # addiu $a0, $a0, 0x12f0
-/* B32DF0 800BBC50 0C041358 */  jal   func_80104D60
-/* B32DF4 800BBC54 27A60024 */   addiu $a2, $sp, 0x24
-/* B32DF8 800BBC58 3C048016 */  lui   $a0, %hi(gPadMgr) # $a0, 0x8016
-/* B32DFC 800BBC5C AFA20020 */  sw    $v0, 0x20($sp)
-/* B32E00 800BBC60 248468C0 */  addiu $a0, %lo(gPadMgr) # addiu $a0, $a0, 0x68c0
-/* B32E04 800BBC64 0C031CBF */  jal   PadMgr_UnlockSerialMesgQueue
-/* B32E08 800BBC68 8FA50044 */   lw    $a1, 0x44($sp)
-/* B32E0C 800BBC6C 8FB80020 */  lw    $t8, 0x20($sp)
-/* B32E10 800BBC70 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B32E14 800BBC74 8FA20024 */  lw    $v0, 0x24($sp)
-/* B32E18 800BBC78 13000003 */  beqz  $t8, .L800BBC88
-/* B32E1C 800BBC7C 00000000 */   nop   
-/* B32E20 800BBC80 10000001 */  b     .L800BBC88
-/* B32E24 800BBC84 00001025 */   move  $v0, $zero
-.L800BBC88:
-/* B32E28 800BBC88 03E00008 */  jr    $ra
-/* B32E2C 800BBC8C 27BD0048 */   addiu $sp, $sp, 0x48
diff --git a/asm/code_80100040.s b/asm/code_80100040.s
index 5cb60712ab..f3c6df2215 100644
--- a/asm/code_80100040.s
+++ b/asm/code_80100040.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_80100040
+glabel osPfsFreeBlocks
 /* B771E0 80100040 27BDFEB0 */  addiu $sp, $sp, -0x150
 /* B771E4 80100044 AFBF002C */  sw    $ra, 0x2c($sp)
 /* B771E8 80100048 AFB50028 */  sw    $s5, 0x28($sp)
diff --git a/asm/code_801014C0.s b/asm/code_801014C0.s
index bf1c8c53b7..1fa71b9c94 100644
--- a/asm/code_801014C0.s
+++ b/asm/code_801014C0.s
@@ -70,7 +70,7 @@ glabel func_801014C0
 /* B7872C 8010158C 03E00008 */  jr    $ra
 /* B78730 80101590 00000000 */   nop   
 
-glabel func_80101594
+glabel osPfsReadWriteFile
 /* B78734 80101594 27BDFE90 */  addiu $sp, $sp, -0x170
 /* B78738 80101598 AFBF002C */  sw    $ra, 0x2c($sp)
 /* B7873C 8010159C AFB30028 */  sw    $s3, 0x28($sp)
diff --git a/asm/code_80101EB0.s b/asm/code_80101EB0.s
index 22d4a3d684..9e79b49d1b 100644
--- a/asm/code_80101EB0.s
+++ b/asm/code_80101EB0.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_80101EB0
+glabel osPfsAllocateFile
 /* B79050 80101EB0 27BDFD68 */  addiu $sp, $sp, -0x298
 /* B79054 80101EB4 AFB70040 */  sw    $s7, 0x40($sp)
 /* B79058 80101EB8 AFB6003C */  sw    $s6, 0x3c($sp)
@@ -50,7 +50,7 @@ glabel func_80101EB0
 /* B790D8 80101F38 A7A5029E */  sh    $a1, 0x29e($sp)
 /* B790DC 80101F3C AFA602A0 */  sw    $a2, 0x2a0($sp)
 /* B790E0 80101F40 AFB80010 */  sw    $t8, 0x10($sp)
-/* B790E4 80101F44 0C040C04 */  jal   func_80103010
+/* B790E4 80101F44 0C040C04 */  jal   osPfsFindFile
 /* B790E8 80101F48 AFB90014 */   sw    $t9, 0x14($sp)
 /* B790EC 80101F4C 10400005 */  beqz  $v0, .L80101F64
 /* B790F0 80101F50 24010005 */   li    $at, 5
@@ -69,7 +69,7 @@ glabel func_80101EB0
 /* B7911C 80101F7C 1000008E */  b     .L801021B8
 /* B79120 80101F80 24020009 */   li    $v0, 9
 .L80101F84:
-/* B79124 80101F84 0C040010 */  jal   func_80100040
+/* B79124 80101F84 0C040010 */  jal   osPfsFreeBlocks
 /* B79128 80101F88 27A50054 */   addiu $a1, $sp, 0x54
 /* B7912C 80101F8C 8FAA0054 */  lw    $t2, 0x54($sp)
 /* B79130 80101F90 0151082A */  slt   $at, $t2, $s1
@@ -88,7 +88,7 @@ glabel func_80101EB0
 /* B7915C 80101FBC 00003025 */  move  $a2, $zero
 /* B79160 80101FC0 00003825 */  move  $a3, $zero
 /* B79164 80101FC4 AFA00010 */  sw    $zero, 0x10($sp)
-/* B79168 80101FC8 0C040C04 */  jal   func_80103010
+/* B79168 80101FC8 0C040C04 */  jal   osPfsFindFile
 /* B7916C 80101FCC AFAB0014 */   sw    $t3, 0x14($sp)
 /* B79170 80101FD0 10400005 */  beqz  $v0, .L80101FE8
 /* B79174 80101FD4 24010005 */   li    $at, 5
diff --git a/asm/code_80103010.s b/asm/code_80103010.s
index 8c793d47a7..860751f7ce 100644
--- a/asm/code_80103010.s
+++ b/asm/code_80103010.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_80103010
+glabel osPfsFindFile
 /* B7A1B0 80103010 27BDFF88 */  addiu $sp, $sp, -0x78
 /* B7A1B4 80103014 AFBF003C */  sw    $ra, 0x3c($sp)
 /* B7A1B8 80103018 AFBE0038 */  sw    $fp, 0x38($sp)
diff --git a/asm/code_801041E0.s b/asm/code_801041E0.s
index 15decd0153..c52d274ddb 100644
--- a/asm/code_801041E0.s
+++ b/asm/code_801041E0.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_801041E0
+glabel osPfsDeleteFile
 /* B7B380 801041E0 27BDFE90 */  addiu $sp, $sp, -0x170
 /* B7B384 801041E4 AFB20024 */  sw    $s2, 0x24($sp)
 /* B7B388 801041E8 AFA50174 */  sw    $a1, 0x174($sp)
@@ -32,7 +32,7 @@ glabel func_801041E0
 /* B7B3C4 80104224 8FAF0180 */  lw    $t7, 0x180($sp)
 /* B7B3C8 80104228 27B8016C */  addiu $t8, $sp, 0x16c
 /* B7B3CC 8010422C AFB80014 */  sw    $t8, 0x14($sp)
-/* B7B3D0 80104230 0C040C04 */  jal   func_80103010
+/* B7B3D0 80104230 0C040C04 */  jal   osPfsFindFile
 /* B7B3D4 80104234 AFAF0010 */   sw    $t7, 0x10($sp)
 /* B7B3D8 80104238 50400004 */  beql  $v0, $zero, .L8010424C
 /* B7B3DC 8010423C 92590065 */   lbu   $t9, 0x65($s2)
diff --git a/asm/code_80104D60.s b/asm/code_80104D60.s
index 3bcfa57919..1fb0ace469 100644
--- a/asm/code_80104D60.s
+++ b/asm/code_80104D60.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_80104D60
+glabel osPfsFileState
 /* B7BF00 80104D60 27BDFEA0 */  addiu $sp, $sp, -0x160
 /* B7BF04 80104D64 AFBF002C */  sw    $ra, 0x2c($sp)
 /* B7BF08 80104D68 AFB40028 */  sw    $s4, 0x28($sp)
diff --git a/asm/code_80104F40.s b/asm/code_80104F40.s
index 969663a2e8..3a2ebeb5c4 100644
--- a/asm/code_80104F40.s
+++ b/asm/code_80104F40.s
@@ -9,7 +9,7 @@
 
 .balign 16
 
-glabel func_80104F40
+glabel osPfsInitPak
 /* B7C0E0 80104F40 27BDFF90 */  addiu $sp, $sp, -0x70
 /* B7C0E4 80104F44 AFBF001C */  sw    $ra, 0x1c($sp)
 /* B7C0E8 80104F48 AFB00018 */  sw    $s0, 0x18($sp)
diff --git a/asm/non_matchings/code/db_camera/func_800B8BA4.s b/asm/non_matchings/code/db_camera/func_800B8BA4.s
index c15d7c16f6..6f130fbea1 100644
--- a/asm/non_matchings/code/db_camera/func_800B8BA4.s
+++ b/asm/non_matchings/code/db_camera/func_800B8BA4.s
@@ -42,7 +42,7 @@ glabel func_800B8BB0
 /* B2FDD4 800B8C34 AFB80010 */  sw    $t8, 0x10($sp)
 /* B2FDD8 800B8C38 24C61150 */  addiu $a2, %lo(D_80161150) # addiu $a2, $a2, 0x1150
 /* B2FDDC 800B8C3C 24040002 */  li    $a0, 2
-/* B2FDE0 800B8C40 0C02EE0E */  jal   func_800BB838
+/* B2FDE0 800B8C40 0C02EE0E */  jal   Mempak_Read
 /* B2FDE4 800B8C44 00003825 */   move  $a3, $zero
 /* B2FDE8 800B8C48 14400003 */  bnez  $v0, .L800B8C58
 /* B2FDEC 800B8C4C 24120100 */   li    $s2, 256
@@ -84,7 +84,7 @@ glabel func_800B8BB0
 /* B2FE70 800B8CD0 AFB10010 */  sw    $s1, 0x10($sp)
 /* B2FE74 800B8CD4 24040002 */  li    $a0, 2
 /* B2FE78 800B8CD8 8E060008 */  lw    $a2, 8($s0)
-/* B2FE7C 800B8CDC 0C02EE0E */  jal   func_800BB838
+/* B2FE7C 800B8CDC 0C02EE0E */  jal   Mempak_Read
 /* B2FE80 800B8CE0 02403825 */   move  $a3, $s2
 /* B2FE84 800B8CE4 14400003 */  bnez  $v0, .L800B8CF4
 /* B2FE88 800B8CE8 02519021 */   addu  $s2, $s2, $s1
@@ -110,7 +110,7 @@ glabel func_800B8BB0
 /* B2FED0 800B8D30 AFB10010 */  sw    $s1, 0x10($sp)
 /* B2FED4 800B8D34 24040002 */  li    $a0, 2
 /* B2FED8 800B8D38 8E060004 */  lw    $a2, 4($s0)
-/* B2FEDC 800B8D3C 0C02EE0E */  jal   func_800BB838
+/* B2FEDC 800B8D3C 0C02EE0E */  jal   Mempak_Read
 /* B2FEE0 800B8D40 02403825 */   move  $a3, $s2
 /* B2FEE4 800B8D44 14400003 */  bnez  $v0, .L800B8D54
 /* B2FEE8 800B8D48 02519021 */   addu  $s2, $s2, $s1
@@ -155,10 +155,10 @@ glabel func_800B8DB0
 /* B2FF70 800B8DD0 AFB10024 */  sw    $s1, 0x24($sp)
 /* B2FF74 800B8DD4 AFB00020 */  sw    $s0, 0x20($sp)
 /* B2FF78 800B8DD8 92650000 */  lbu   $a1, ($s3)
-/* B2FF7C 800B8DDC 0C02EF05 */  jal   func_800BBC14
+/* B2FF7C 800B8DDC 0C02EF05 */  jal   Mempak_GetFileSize
 /* B2FF80 800B8DE0 24040002 */   li    $a0, 2
 /* B2FF84 800B8DE4 24040002 */  li    $a0, 2
-/* B2FF88 800B8DE8 0C02ED7A */  jal   func_800BB5E8
+/* B2FF88 800B8DE8 0C02ED7A */  jal   Mempak_GetFreeBytes
 /* B2FF8C 800B8DEC AFA20044 */   sw    $v0, 0x44($sp)
 /* B2FF90 800B8DF0 8FA30044 */  lw    $v1, 0x44($sp)
 /* B2FF94 800B8DF4 3C068016 */  lui   $a2, %hi(D_801612EC) # $a2, 0x8016
@@ -168,7 +168,7 @@ glabel func_800B8DB0
 /* B2FFA4 800B8E04 00CE082B */  sltu  $at, $a2, $t6
 /* B2FFA8 800B8E08 1020003F */  beqz  $at, .L800B8F08
 /* B2FFAC 800B8E0C 00001025 */   move  $v0, $zero
-/* B2FFB0 800B8E10 0C02EE43 */  jal   func_800BB90C
+/* B2FFB0 800B8E10 0C02EE43 */  jal   Mempak_Alloc
 /* B2FFB4 800B8E14 02602825 */   move  $a1, $s3
 /* B2FFB8 800B8E18 14400003 */  bnez  $v0, .L800B8E28
 /* B2FFBC 800B8E1C 24040002 */   li    $a0, 2
@@ -180,12 +180,12 @@ glabel func_800B8DB0
 /* B2FFD0 800B8E30 240F0100 */  li    $t7, 256
 /* B2FFD4 800B8E34 AFAF0010 */  sw    $t7, 0x10($sp)
 /* B2FFD8 800B8E38 24C61150 */  addiu $a2, %lo(D_80161150) # addiu $a2, $a2, 0x1150
-/* B2FFDC 800B8E3C 0C02EDD9 */  jal   func_800BB764
+/* B2FFDC 800B8E3C 0C02EDD9 */  jal   Mempak_Write
 /* B2FFE0 800B8E40 00003825 */   move  $a3, $zero
 /* B2FFE4 800B8E44 14400006 */  bnez  $v0, .L800B8E60
 /* B2FFE8 800B8E48 24120100 */   li    $s2, 256
 /* B2FFEC 800B8E4C 24040002 */  li    $a0, 2
-/* B2FFF0 800B8E50 0C02EEDB */  jal   func_800BBB6C
+/* B2FFF0 800B8E50 0C02EEDB */  jal   Mempak_DeleteFile
 /* B2FFF4 800B8E54 92650000 */   lbu   $a1, ($s3)
 /* B2FFF8 800B8E58 1000002B */  b     .L800B8F08
 /* B2FFFC 800B8E5C 00001025 */   move  $v0, $zero
@@ -208,7 +208,7 @@ glabel func_800B8DB0
 /* B30038 800B8E98 00021100 */  sll   $v0, $v0, 4
 /* B3003C 800B8E9C 2459001F */  addiu $t9, $v0, 0x1f
 /* B30040 800B8EA0 03358024 */  and   $s0, $t9, $s5
-/* B30044 800B8EA4 0C02EDD9 */  jal   func_800BB764
+/* B30044 800B8EA4 0C02EDD9 */  jal   Mempak_Write
 /* B30048 800B8EA8 AFB00010 */   sw    $s0, 0x10($sp)
 /* B3004C 800B8EAC 1040000E */  beqz  $v0, .L800B8EE8
 /* B30050 800B8EB0 00401825 */   move  $v1, $v0
@@ -217,7 +217,7 @@ glabel func_800B8DB0
 /* B3005C 800B8EBC AFB00010 */  sw    $s0, 0x10($sp)
 /* B30060 800B8EC0 02403825 */  move  $a3, $s2
 /* B30064 800B8EC4 24040002 */  li    $a0, 2
-/* B30068 800B8EC8 0C02EDD9 */  jal   func_800BB764
+/* B30068 800B8EC8 0C02EDD9 */  jal   Mempak_Write
 /* B3006C 800B8ECC 8E260004 */   lw    $a2, 4($s1)
 /* B30070 800B8ED0 10400005 */  beqz  $v0, .L800B8EE8
 /* B30074 800B8ED4 00401825 */   move  $v1, $v0
@@ -232,7 +232,7 @@ glabel func_800B8DB0
 /* B30090 800B8EF0 10000005 */  b     .L800B8F08
 /* B30094 800B8EF4 92620000 */   lbu   $v0, ($s3)
 .L800B8EF8:
-/* B30098 800B8EF8 0C02EEDB */  jal   func_800BBB6C
+/* B30098 800B8EF8 0C02EEDB */  jal   Mempak_DeleteFile
 /* B3009C 800B8EFC 92650000 */   lbu   $a1, ($s3)
 /* B300A0 800B8F00 10000001 */  b     .L800B8F08
 /* B300A4 800B8F04 00001025 */   move  $v0, $zero
@@ -253,7 +253,7 @@ glabel func_800B8F30
 /* B300D4 800B8F34 AFBF0014 */  sw    $ra, 0x14($sp)
 /* B300D8 800B8F38 00803025 */  move  $a2, $a0
 /* B300DC 800B8F3C 90C50000 */  lbu   $a1, ($a2)
-/* B300E0 800B8F40 0C02EEDB */  jal   func_800BBB6C
+/* B300E0 800B8F40 0C02EEDB */  jal   Mempak_DeleteFile
 /* B300E4 800B8F44 24040002 */   li    $a0, 2
 /* B300E8 800B8F48 8FBF0014 */  lw    $ra, 0x14($sp)
 /* B300EC 800B8F4C 27BD0018 */  addiu $sp, $sp, 0x18
diff --git a/asm/non_matchings/code/db_camera/func_800B9638.s b/asm/non_matchings/code/db_camera/func_800B9638.s
index 561d533bcc..2ca0a8e5bf 100644
--- a/asm/non_matchings/code/db_camera/func_800B9638.s
+++ b/asm/non_matchings/code/db_camera/func_800B9638.s
@@ -473,13 +473,13 @@ glabel func_800B9638
 /* B30EC0 800B9D20 100004C0 */  b     .L800BB024
 /* B30EC4 800B9D24 24020001 */   li    $v0, 1
 .L800B9D28:
-/* B30EC8 800B9D28 0C02ED5C */  jal   func_800BB570
+/* B30EC8 800B9D28 0C02ED5C */  jal   Mempak_Init
 /* B30ECC 800B9D2C 24040002 */   li    $a0, 2
 /* B30ED0 800B9D30 10400172 */  beqz  $v0, .L800BA2FC
 /* B30ED4 800B9D34 2404000C */   li    $a0, 12
 /* B30ED8 800B9D38 24040002 */  li    $a0, 2
 /* B30EDC 800B9D3C 24050041 */  li    $a1, 65
-/* B30EE0 800B9D40 0C02ED7E */  jal   func_800BB5F8
+/* B30EE0 800B9D40 0C02ED7E */  jal   Mempak_FindFile
 /* B30EE4 800B9D44 24060045 */   li    $a2, 69
 /* B30EE8 800B9D48 3C018016 */  lui   $at, %hi(D_80161104) # $at, 0x8016
 /* B30EEC 800B9D4C AC221104 */  sw    $v0, %lo(D_80161104)($at)
@@ -497,7 +497,7 @@ glabel func_800B9638
 /* B30F1C 800B9D7C 3C018013 */   lui   $at, %hi(D_8012D170)
 /* B30F20 800B9D80 25050041 */  addiu $a1, $t0, 0x41
 /* B30F24 800B9D84 30A500FF */  andi  $a1, $a1, 0xff
-/* B30F28 800B9D88 0C02EF05 */  jal   func_800BBC14
+/* B30F28 800B9D88 0C02EF05 */  jal   Mempak_GetFileSize
 /* B30F2C 800B9D8C 24040002 */   li    $a0, 2
 /* B30F30 800B9D90 3C018013 */  lui   $at, %hi(D_8012D170) # $at, 0x8013
 /* B30F34 800B9D94 AC22D170 */  sw    $v0, %lo(D_8012D170)($at)
@@ -574,7 +574,7 @@ glabel func_800B9638
 /* B31034 800B9E94 3C018013 */   lui   $at, %hi(D_8012D170)
 /* B31038 800B9E98 25050041 */  addiu $a1, $t0, 0x41
 /* B3103C 800B9E9C 30A500FF */  andi  $a1, $a1, 0xff
-/* B31040 800B9EA0 0C02EF05 */  jal   func_800BBC14
+/* B31040 800B9EA0 0C02EF05 */  jal   Mempak_GetFileSize
 /* B31044 800B9EA4 24040002 */   li    $a0, 2
 /* B31048 800B9EA8 3C018013 */  lui   $at, %hi(D_8012D170) # $at, 0x8013
 /* B3104C 800B9EAC AC22D170 */  sw    $v0, %lo(D_8012D170)($at)
@@ -628,7 +628,7 @@ glabel func_800B9638
 /* B310FC 800B9F5C 3C018013 */   lui   $at, %hi(D_8012D170)
 /* B31100 800B9F60 25050041 */  addiu $a1, $t0, 0x41
 /* B31104 800B9F64 30A500FF */  andi  $a1, $a1, 0xff
-/* B31108 800B9F68 0C02EF05 */  jal   func_800BBC14
+/* B31108 800B9F68 0C02EF05 */  jal   Mempak_GetFileSize
 /* B3110C 800B9F6C 24040002 */   li    $a0, 2
 /* B31110 800B9F70 3C018013 */  lui   $at, %hi(D_8012D170) # $at, 0x8013
 /* B31114 800B9F74 AC22D170 */  sw    $v0, %lo(D_8012D170)($at)
@@ -682,7 +682,7 @@ glabel func_800B9638
 /* B311CC 800BA02C 24060004 */  li    $a2, 4
 /* B311D0 800BA030 0C018DDB */  jal   func_8006376C
 /* B311D4 800BA034 27A70074 */   addiu $a3, $sp, 0x74
-/* B311D8 800BA038 0C02ED7A */  jal   func_800BB5E8
+/* B311D8 800BA038 0C02ED7A */  jal   Mempak_GetFreeBytes
 /* B311DC 800BA03C 24040002 */   li    $a0, 2
 /* B311E0 800BA040 00022400 */  sll   $a0, $v0, 0x10
 /* B311E4 800BA044 00042403 */  sra   $a0, $a0, 0x10
diff --git a/data/code_800BB570.bss.s b/data/code_800BB570.bss.s
deleted file mode 100644
index 2afeb86c2f..0000000000
--- a/data/code_800BB570.bss.s
+++ /dev/null
@@ -1,19 +0,0 @@
-.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 .bss
-
-.balign 16
-
-glabel D_801612F0
-    .space 0x68
-
-glabel D_80161358
-    .space 0x8
-
-glabel D_80161360
-    .space 0x30
diff --git a/data/code_800BB570.data.s b/data/code_800BB570.data.s
deleted file mode 100644
index fd8d222a8f..0000000000
--- a/data/code_800BB570.data.s
+++ /dev/null
@@ -1,22 +0,0 @@
-.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 .data
-
-.balign 16
-
-glabel D_8012D180
-    .incbin "baserom.z64", 0xBA4320, 0x4
-
-glabel D_8012D184
-    .incbin "baserom.z64", 0xBA4324, 0x4
-
-glabel D_8012D188
-    .incbin "baserom.z64", 0xBA4328, 0x10
-
-glabel D_8012D198
-    .incbin "baserom.z64", 0xBA4338, 0x8
diff --git a/data/code_800BB570.rodata.s b/data/code_800BB570.rodata.s
deleted file mode 100644
index 990c8b7936..0000000000
--- a/data/code_800BB570.rodata.s
+++ /dev/null
@@ -1,42 +0,0 @@
-.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 .rodata
-
-.balign 16
-
-glabel D_80143CF0
-    .asciz "mempak: find '%c' (%d)\n"
-    .balign 4
-
-glabel D_80143D08
-    .asciz "mempak: find '%c' - '%c' %02x\n"
-    .balign 4
-
-glabel D_80143D28
-    .asciz "mempak: write %d byte '%c' (%d)->%d\n"
-    .balign 4
-
-glabel D_80143D50
-    .asciz "mempak: read %d byte '%c' (%d)<-%d\n"
-    .balign 4
-
-glabel D_80143D74
-    .asciz "mempak: alloc %d byte '%c' (%d)\n"
-    .balign 4
-
-glabel D_80143D98
-    .asciz "mempak: resize %d byte '%c' (%d)\n"
-    .balign 4
-
-glabel D_80143DBC
-    .asciz "mempak: alloc %d byte '%c' (%d) with search\n"
-    .balign 4
-
-glabel D_80143DEC
-    .asciz "mempak: delete '%c' (%d)\n"
-    .balign 4
diff --git a/include/functions.h b/include/functions.h
index 5695ddbd39..51b5e6974d 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -1468,14 +1468,14 @@ void TransitionFade_SetType(TransitionFade* this, s32 type);
 // ? func_800B9638(?);
 // ? func_800BB0A0(?);
 // ? func_800BB2B4(?);
-// ? func_800BB570(?);
-// ? func_800BB5E8(?);
-// ? func_800BB5F8(?);
-// ? func_800BB764(?);
-// ? func_800BB838(?);
-// ? func_800BB90C(?);
-// ? func_800BBB6C(?);
-// ? func_800BBC14(?);
+s32 Mempak_Init(s32 controllerNb);
+s32 Mempak_GetFreeBytes(s32 controllerNb);
+s32 Mempak_FindFile(s32 controllerNb, char start, char end);
+s32 Mempak_Write(s32 controllerNb, char idx, void* buffer, s32 offset, s32 size);
+s32 Mempak_Read(s32 controllerNb, char idx, void* buffer, s32 offset, s32 size);
+s32 Mempak_Alloc(s32 controllerNb, char* idx, s32 size);
+s32 Mempak_DeleteFile(s32 controllerNb, char idx);
+s32 Mempak_GetFileSize(s32 controllerNb, char idx);
 void KaleidoManager_LoadOvl(KaleidoManagerOvl* ovl);
 void KaleidoManager_ClearOvl(KaleidoManagerOvl* ovl);
 void KaleidoManager_Init(GlobalContext* globalCtx);
@@ -2401,7 +2401,7 @@ u32 func_800FFA50(JpegDecoder* decoder, u16*, u32, u8, u32*);
 // ? func_800FFC78(?);
 // ? func_800FFE14(?);
 // ? func_800FFF50(?);
-// ? func_80100040(?);
+s32 osPfsFreeBlocks(OSPfs* pfs, s32 *bytes_not_used);
 void guScale(Mtx* m, f32 x, f32 y, f32 z);
 f32 sinf(f32);
 s16 sins(u16);
@@ -2426,14 +2426,14 @@ s16 sins(u16);
 // s32 __osSiRawStartDma(s32 dir, void *addr);
 // ? osSpTaskYield(?);
 // ? func_801014C0(?);
-// ? func_80101594(?);
+s32 osPfsReadWriteFile(OSPfs* pfs, s32 file_no, u8 flag, s32 offset, s32 nbytes, u8* data_buffer);
 // ? func_80101910(?);
 // ? func_801019E0(?);
 // ? func_80101AA4(?);
 // ? guMtxIdentF(?);
 void guLookAtF(MtxF* mf, f32 xEye, f32 yEye, f32 zEye, f32 xAt, f32 yAt, f32 zAt, f32 xUp, f32 yUp, f32 zUp);
 void guLookAt(Mtx*, f32 xEye, f32 yEye, f32 zEye, f32 xAt, f32 yAt, f32 zAt, f32 xUp, f32 yUp, f32 zUp);
-// ? func_80101EB0(?);
+s32 osPfsAllocateFile(OSPfs* pfs, u16 company_code, u32 game_code, u8* game_name, u8* ext_name, s32 length, s32* file_no);
 // ? func_801021E4(?);
 // ? osStopTimer(?);
 // ? func_80102420(?);
@@ -2444,7 +2444,7 @@ void guLookAt(Mtx*, f32 xEye, f32 yEye, f32 zEye, f32 xAt, f32 yAt, f32 zAt, f32
 // ? func_80102BF0(?);
 // ? func_80102CC4(?);
 // ? func_80102FA0(?);
-// ? func_80103010(?);
+s32 osPfsFindFile(OSPfs* pfs, u16 company_code, u32 game_code, u8* game_name, u8* ext_name, s32* file_no);
 // ? osAfterPreNMI(?);
 // ? osContStartQuery(?);
 void osContGetQuery(OSContStatus* data);
@@ -2464,7 +2464,7 @@ void guRotate(Mtx*, f32 angle, f32 x, f32 y, f32 z);
 // ? guNormalize(?);
 u32 osDpGetStatus(void);
 void osDpSetStatus(u32 status);
-// ? func_801041E0(?);
+s32 osPfsDeleteFile(OSPfs* pfs, u16 company_code, u32 game_code, u8* game_name, u8* ext_name);
 // ? func_801043B8(?);
 void guOrthoF(f32[4][4], f32, f32, f32, f32, f32, f32, f32);
 void guOrtho(Mtx*, f32, f32, f32, f32, f32, f32, f32);
@@ -2476,8 +2476,8 @@ void osViSetEvent(OSMesgQueue* mq, OSMesg m, u32 retraceCount);
 void guS2DInitBg(uObjBg *bg);
 // ? func_80104C80(?);
 void func_80104D00(u8 a0);
-// ? func_80104D60(?);
-// ? func_80104F40(?);
+s32 osPfsFileState(OSPfs* pfs, s32 file_no, OSPfsState* state);
+s32 osPfsInitPak(OSMesgQueue* mq, OSPfs* pfs, s32 controller_no);
 // ? func_80105148(?);
 // ? func_80105250(?);
 // ? func_80105788(?);
diff --git a/include/variables.h b/include/variables.h
index 87278abbe1..5616429908 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -596,10 +596,6 @@ extern u8 gFontFF[]; // original name: "font_ff"
 //extern ? D_8012D158;
 //extern ? D_8012D170;
 //extern ? D_8012D172;
-//extern ? D_8012D180;
-//extern ? D_8012D184;
-//extern ? D_8012D188;
-//extern ? D_8012D198;
 extern KaleidoManagerOvl gKaleidoMgrOverlayTable[KALEIDO_OVL_COUNT];
 extern KaleidoManagerOvl* gKaleidoMgrCurOvl;
 extern void* D_8012D1F0;
@@ -3453,9 +3449,6 @@ extern u8 D_801610DA;
 //extern ? D_801612D2;
 //extern ? D_801612EA;
 //extern ? D_801612EC;
-//extern ? D_801612F0;
-//extern ? D_80161358;
-//extern ? D_80161360;
 extern s32 gTrnsnUnkState;
 extern Color_RGBA8 D_801614B0;
 extern SpeedMeter gSpeedMeter;
diff --git a/include/z64.h b/include/z64.h
index b808d88111..5e32d47367 100644
--- a/include/z64.h
+++ b/include/z64.h
@@ -1885,7 +1885,6 @@ typedef struct {
     /* 0x20 */ u16 fracPart[4][4];
 } MatrixInternal; // size = 0x40
 
-
 typedef struct {
     /* 0x00 */ u32 value;
     /* 0x04 */ const char* name;
@@ -1915,4 +1914,28 @@ typedef struct {
     /* 0x0C */ F3dzexSetModeMacroValue values[4];
 } F3dzexSetModeMacro; // size = 0x2C
 
+typedef struct {
+    /* 0x00 */ s32 status;
+    /* 0x04 */ OSMesgQueue* queue;
+    /* 0x08 */ s32 channel;
+    /* 0x0C */ u8 id[32];
+    /* 0x2C */ u8 label[32];
+    /* 0x4C */ s32 version;
+    /* 0x50 */ s32 dir_size;
+    /* 0x54 */ s32 inode_table;
+    /* 0x58 */ s32 minode_table;
+    /* 0x5C */ s32 dir_table;
+    /* 0x60 */ s32 inode_start_page;
+    /* 0x64 */ u8 banks;
+    /* 0x65 */ u8 activebank;
+} OSPfs; // size = 0x68
+
+typedef struct {
+	/* 0x00 */ u32 file_size;
+  	/* 0x04 */ u32 game_code;
+  	/* 0x08 */ u16 company_code;
+  	/* 0x0A */ char ext_name[4];
+  	/* 0x0E */ char game_name[16];
+} OSPfsState; // size = 0x20
+
 #endif
diff --git a/spec b/spec
index 3c01501bf2..8373c2c62a 100644
--- a/spec
+++ b/spec
@@ -381,10 +381,7 @@ beginseg
     include "build/data/db_camera.rodata.o"
     include "build/data/db_camera.bss.o"
     include "build/src/code/code_800BB0A0.o"
-    include "build/asm/code_800BB570.o"
-    include "build/data/code_800BB570.data.o"
-    include "build/data/code_800BB570.rodata.o"
-    include "build/data/code_800BB570.bss.o"
+    include "build/src/code/mempak.o"
     include "build/src/code/z_kaleido_manager.o"
     include "build/src/code/z_kaleido_scope_call.o"
     include "build/src/code/z_play.o"
diff --git a/src/code/mempak.c b/src/code/mempak.c
new file mode 100644
index 0000000000..0c71f8756a
--- /dev/null
+++ b/src/code/mempak.c
@@ -0,0 +1,188 @@
+#include <global.h>
+
+OSPfs sMempakPfsHandle;
+s32 sMempakFreeBytes;
+s32 sMempakFiles[10];
+
+u16 sMempakCompanyCode = 1;
+u32 sMempakGameCode = 1;
+
+// "ZELDA DEMO TOOL "
+u8 sMempakGameName[0x10] = { 0x33, 0x1E, 0x25, 0x1D, 0x1A, 0x0F, 0x1D, 0x1E, 0x26, 0x28, 0x0F, 0x2D, 0x28, 0x28, 0x25, 0x0F };
+u8 sMempakExtName[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+s32 Mempak_Init(s32 controllerNb) {
+    OSMesgQueue* mq;
+    u32 pad;
+    s32 ret;
+
+    ret = false;
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+
+    if (!osPfsInitPak(mq, &sMempakPfsHandle, controllerNb)) {
+        ret = true;
+    }
+
+    osPfsFreeBlocks(&sMempakPfsHandle, &sMempakFreeBytes);
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+
+    return ret;
+}
+
+s32 Mempak_GetFreeBytes(s32 controllerNb) {
+    return sMempakFreeBytes;
+}
+
+s32 Mempak_FindFile(s32 controllerNb, char start, char end) {
+
+    OSMesgQueue* mq;
+    s32 error;
+    char idx;
+    u32 bit;
+    s32 flag;
+
+    bit = 1;
+    flag = 0;
+
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    for (idx = start; idx <= end; idx++) {
+        sMempakExtName[0] = idx - 0x27;
+
+        error = osPfsFindFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName, sMempakExtName,
+                              &sMempakFiles[idx - 'A']);
+        if (error == 0) {
+            flag |= bit;
+        } else {
+            sMempakFiles[idx - 'A'] = -1;
+        }
+
+        bit <<= 1;
+        osSyncPrintf("mempak: find '%c' (%d)\n", idx, error);
+    }
+
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    osSyncPrintf("mempak: find '%c' - '%c' %02x\n", start, end, flag);
+
+    return flag;
+}
+
+s32 Mempak_Write(s32 controllerNb, char idx, void* buffer, s32 offset, s32 size) {
+    OSMesgQueue* mq;
+    s32 error;
+    s32 ret;
+    u32 pad;
+
+    ret = false;
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    if (size < sMempakFreeBytes) {
+        error = osPfsReadWriteFile(&sMempakPfsHandle, sMempakFiles[idx - 'A'], 1, offset, size, buffer);
+        if (error == 0) {
+            ret = true;
+        }
+        osSyncPrintf("mempak: write %d byte '%c' (%d)->%d\n", size, idx, sMempakFiles[idx - 'A'], error);
+    }
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    return ret;
+}
+
+s32 Mempak_Read(s32 controllerNb, char idx, void* buffer, s32 offset, s32 size) {
+    OSMesgQueue* mq;
+    s32 error;
+    s32 ret;
+    u32 pad;
+
+    ret = false;
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    if (size < sMempakFreeBytes) {
+        error = osPfsReadWriteFile(&sMempakPfsHandle, sMempakFiles[idx - 'A'], 0, offset, size, buffer);
+        if (error == 0) {
+            ret = true;
+        }
+        osSyncPrintf("mempak: read %d byte '%c' (%d)<-%d\n", size, idx, sMempakFiles[idx - 'A'], error);
+    }
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    return ret;
+}
+
+s32 Mempak_Alloc(s32 controllerNb, char* idx, s32 size) {
+    OSMesgQueue* mq;
+    s32 error;
+    s32 ret;
+    s32 i;
+    u32 pad;
+
+    ret = 0;
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    if (*idx >= 'A' && *idx < 'L') {
+        sMempakExtName[0] = *idx - 0x27;
+        if (-1 == sMempakFiles[*idx - 'A']) {
+            error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
+                                      sMempakExtName, size, &sMempakFiles[*idx - 'A']);
+            if (error == 0) {
+                ret = 1;
+            }
+            osSyncPrintf("mempak: alloc %d byte '%c' (%d)\n", size, *idx, error);
+        } else {
+            sMempakExtName[0] = *idx - 0x27;
+            if (osPfsDeleteFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
+                                sMempakExtName) == 0) {
+                ret = 1;
+            }
+            error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
+                                      sMempakExtName, size, &sMempakFiles[*idx - 'A']);
+            if (error == 0) {
+                ret |= 1;
+            }
+            osSyncPrintf("mempak: resize %d byte '%c' (%d)\n", size, *idx, error);
+        }
+    } else {
+        for (i = 0; i < ARRAY_COUNT(sMempakFiles); i++) {
+            if (sMempakFiles[i] == -1) {
+                break;
+            }
+        }
+
+        *idx = i + 'A';
+        sMempakExtName[0] = *idx - 0x27;
+        error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
+                                  sMempakExtName, size, &sMempakFiles[i]);
+        osSyncPrintf("mempak: alloc %d byte '%c' (%d) with search\n", size, *idx, error);
+        if (error == 0) {
+            ret = 1;
+        }
+    }
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    return ret;
+}
+
+s32 Mempak_DeleteFile(s32 controllerNb, char idx) {
+    OSMesgQueue* mq;
+    s32 error;
+    s32 ret;
+
+    ret = false;
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    sMempakExtName[0] = idx - 0x27;
+    error = osPfsDeleteFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName, sMempakExtName);
+    if (error == 0) {
+        ret = true;
+    }
+    osSyncPrintf("mempak: delete '%c' (%d)\n", idx, error);
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    return ret;
+}
+
+s32 Mempak_GetFileSize(s32 controllerNb, char idx) {
+    OSMesgQueue* mq;
+    OSPfsState state;
+    s32 error;
+    u32 pad;
+
+    mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
+    error = osPfsFileState(&sMempakPfsHandle, sMempakFiles[idx - 'A'], &state);
+    PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
+    if (error != 0) {
+        return 0;
+    }
+    return state.file_size;
+}