diff --git a/asm/code_800FF340.s b/asm/code_800FF540.s
similarity index 72%
rename from asm/code_800FF340.s
rename to asm/code_800FF540.s
index dab139f9d5..665d133360 100644
--- a/asm/code_800FF340.s
+++ b/asm/code_800FF540.s
@@ -9,148 +9,6 @@
 
 .align 4
 
-glabel func_800FF340
-/* B764E0 800FF340 27BDFFE8 */  addiu $sp, $sp, -0x18
-/* B764E4 800FF344 AFA5001C */  sw    $a1, 0x1c($sp)
-/* B764E8 800FF348 00802825 */  move  $a1, $a0
-/* B764EC 800FF34C AFBF0014 */  sw    $ra, 0x14($sp)
-/* B764F0 800FF350 AFA40018 */  sw    $a0, 0x18($sp)
-/* B764F4 800FF354 00C03825 */  move  $a3, $a2
-/* B764F8 800FF358 8FA6001C */  lw    $a2, 0x1c($sp)
-/* B764FC 800FF35C 0C0014B8 */  jal   _Printf
-/* B76500 800FF360 8C840000 */   lw    $a0, ($a0)
-/* B76504 800FF364 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B76508 800FF368 27BD0018 */  addiu $sp, $sp, 0x18
-/* B7650C 800FF36C 03E00008 */  jr    $ra
-/* B76510 800FF370 00000000 */   nop   
-
-glabel func_800FF374
-/* B76514 800FF374 27BDFFE0 */  addiu $sp, $sp, -0x20
-/* B76518 800FF378 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B7651C 800FF37C AFA60028 */  sw    $a2, 0x28($sp)
-/* B76520 800FF380 AFA50024 */  sw    $a1, 0x24($sp)
-/* B76524 800FF384 AFA7002C */  sw    $a3, 0x2c($sp)
-/* B76528 800FF388 0C03FCD0 */  jal   func_800FF340
-/* B7652C 800FF38C 27A60028 */   addiu $a2, $sp, 0x28
-/* B76530 800FF390 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B76534 800FF394 27BD0020 */  addiu $sp, $sp, 0x20
-/* B76538 800FF398 03E00008 */  jr    $ra
-/* B7653C 800FF39C 00000000 */   nop   
-
-glabel func_800FF3A0
-/* B76540 800FF3A0 27BDFF98 */  addiu $sp, $sp, -0x68
-/* B76544 800FF3A4 AFBF0024 */  sw    $ra, 0x24($sp)
-/* B76548 800FF3A8 AFA40068 */  sw    $a0, 0x68($sp)
-/* B7654C 800FF3AC AFA5006C */  sw    $a1, 0x6c($sp)
-/* B76550 800FF3B0 27A5004C */  addiu $a1, $sp, 0x4c
-/* B76554 800FF3B4 27A40050 */  addiu $a0, $sp, 0x50
-/* B76558 800FF3B8 0C001874 */  jal   osCreateMesgQueue
-/* B7655C 800FF3BC 24060001 */   li    $a2, 1
-/* B76560 800FF3C0 240E0000 */  li    $t6, 0
-/* B76564 800FF3C4 240F0000 */  li    $t7, 0
-/* B76568 800FF3C8 27B80050 */  addiu $t8, $sp, 0x50
-/* B7656C 800FF3CC AFB80018 */  sw    $t8, 0x18($sp)
-/* B76570 800FF3D0 AFAF0014 */  sw    $t7, 0x14($sp)
-/* B76574 800FF3D4 AFAE0010 */  sw    $t6, 0x10($sp)
-/* B76578 800FF3D8 27A40028 */  addiu $a0, $sp, 0x28
-/* B7657C 800FF3DC 8FA60068 */  lw    $a2, 0x68($sp)
-/* B76580 800FF3E0 8FA7006C */  lw    $a3, 0x6c($sp)
-/* B76584 800FF3E4 0C0418B8 */  jal   osSetTimer
-/* B76588 800FF3E8 AFA0001C */   sw    $zero, 0x1c($sp)
-/* B7658C 800FF3EC 27A40050 */  addiu $a0, $sp, 0x50
-/* B76590 800FF3F0 00002825 */  move  $a1, $zero
-/* B76594 800FF3F4 0C000CA0 */  jal   osRecvMesg
-/* B76598 800FF3F8 24060001 */   li    $a2, 1
-/* B7659C 800FF3FC 8FBF0024 */  lw    $ra, 0x24($sp)
-/* B765A0 800FF400 27BD0068 */  addiu $sp, $sp, 0x68
-/* B765A4 800FF404 03E00008 */  jr    $ra
-/* B765A8 800FF408 00000000 */   nop   
-
-glabel func_800FF40C
-/* B765AC 800FF40C 27BDFFE8 */  addiu $sp, $sp, -0x18
-/* B765B0 800FF410 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B765B4 800FF414 AFA40018 */  sw    $a0, 0x18($sp)
-/* B765B8 800FF418 00802825 */  move  $a1, $a0
-/* B765BC 800FF41C 24040000 */  li    $a0, 0
-/* B765C0 800FF420 24060000 */  li    $a2, 0
-/* B765C4 800FF424 0C000E1E */  jal   __ll_mul
-/* B765C8 800FF428 24070003 */   li    $a3, 3
-/* B765CC 800FF42C 00402025 */  move  $a0, $v0
-/* B765D0 800FF430 00602825 */  move  $a1, $v1
-/* B765D4 800FF434 24060000 */  li    $a2, 0
-/* B765D8 800FF438 0C000DDE */  jal   __ull_div
-/* B765DC 800FF43C 24070040 */   li    $a3, 64
-/* B765E0 800FF440 00402025 */  move  $a0, $v0
-/* B765E4 800FF444 0C03FCE8 */  jal   func_800FF3A0
-/* B765E8 800FF448 00602825 */   move  $a1, $v1
-/* B765EC 800FF44C 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B765F0 800FF450 27BD0018 */  addiu $sp, $sp, 0x18
-/* B765F4 800FF454 03E00008 */  jr    $ra
-/* B765F8 800FF458 00000000 */   nop   
-
-glabel func_800FF45C
-/* B765FC 800FF45C 27BDFFE8 */  addiu $sp, $sp, -0x18
-/* B76600 800FF460 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B76604 800FF464 AFA40018 */  sw    $a0, 0x18($sp)
-/* B76608 800FF468 00802825 */  move  $a1, $a0
-/* B7660C 800FF46C 24040000 */  li    $a0, 0
-/* B76610 800FF470 24060000 */  li    $a2, 0
-/* B76614 800FF474 0C000E1E */  jal   __ll_mul
-/* B76618 800FF478 24070BB8 */   li    $a3, 3000
-/* B7661C 800FF47C 00402025 */  move  $a0, $v0
-/* B76620 800FF480 00602825 */  move  $a1, $v1
-/* B76624 800FF484 24060000 */  li    $a2, 0
-/* B76628 800FF488 0C000DDE */  jal   __ull_div
-/* B7662C 800FF48C 24070040 */   li    $a3, 64
-/* B76630 800FF490 00402025 */  move  $a0, $v0
-/* B76634 800FF494 0C03FCE8 */  jal   func_800FF3A0
-/* B76638 800FF498 00602825 */   move  $a1, $v1
-/* B7663C 800FF49C 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B76640 800FF4A0 27BD0018 */  addiu $sp, $sp, 0x18
-/* B76644 800FF4A4 03E00008 */  jr    $ra
-/* B76648 800FF4A8 00000000 */   nop   
-
-glabel func_800FF4AC
-/* B7664C 800FF4AC 27BDFFE8 */  addiu $sp, $sp, -0x18
-/* B76650 800FF4B0 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B76654 800FF4B4 AFA40018 */  sw    $a0, 0x18($sp)
-/* B76658 800FF4B8 00802825 */  move  $a1, $a0
-/* B7665C 800FF4BC 3C0702CB */  lui   $a3, (0x02CB4178 >> 16) # lui $a3, 0x2cb
-/* B76660 800FF4C0 34E74178 */  ori   $a3, (0x02CB4178 & 0xFFFF) # ori $a3, $a3, 0x4178
-/* B76664 800FF4C4 24040000 */  li    $a0, 0
-/* B76668 800FF4C8 0C000E1E */  jal   __ll_mul
-/* B7666C 800FF4CC 24060000 */   li    $a2, 0
-/* B76670 800FF4D0 00402025 */  move  $a0, $v0
-/* B76674 800FF4D4 00602825 */  move  $a1, $v1
-/* B76678 800FF4D8 24060000 */  li    $a2, 0
-/* B7667C 800FF4DC 0C000DDE */  jal   __ull_div
-/* B76680 800FF4E0 240703E8 */   li    $a3, 1000
-/* B76684 800FF4E4 00402025 */  move  $a0, $v0
-/* B76688 800FF4E8 0C03FCE8 */  jal   func_800FF3A0
-/* B7668C 800FF4EC 00602825 */   move  $a1, $v1
-/* B76690 800FF4F0 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B76694 800FF4F4 27BD0018 */  addiu $sp, $sp, 0x18
-/* B76698 800FF4F8 03E00008 */  jr    $ra
-/* B7669C 800FF4FC 00000000 */   nop   
-
-glabel func_800FF500
-/* B766A0 800FF500 27BDFFE8 */  addiu $sp, $sp, -0x18
-/* B766A4 800FF504 AFBF0014 */  sw    $ra, 0x14($sp)
-/* B766A8 800FF508 AFA40018 */  sw    $a0, 0x18($sp)
-/* B766AC 800FF50C 00802825 */  move  $a1, $a0
-/* B766B0 800FF510 3C0702CB */  lui   $a3, (0x02CB4178 >> 16) # lui $a3, 0x2cb
-/* B766B4 800FF514 34E74178 */  ori   $a3, (0x02CB4178 & 0xFFFF) # ori $a3, $a3, 0x4178
-/* B766B8 800FF518 24040000 */  li    $a0, 0
-/* B766BC 800FF51C 0C000E1E */  jal   __ll_mul
-/* B766C0 800FF520 24060000 */   li    $a2, 0
-/* B766C4 800FF524 00402025 */  move  $a0, $v0
-/* B766C8 800FF528 0C03FCE8 */  jal   func_800FF3A0
-/* B766CC 800FF52C 00602825 */   move  $a1, $v1
-/* B766D0 800FF530 8FBF0014 */  lw    $ra, 0x14($sp)
-/* B766D4 800FF534 27BD0018 */  addiu $sp, $sp, 0x18
-/* B766D8 800FF538 03E00008 */  jr    $ra
-/* B766DC 800FF53C 00000000 */   nop   
-
 glabel func_800FF540
 /* B766E0 800FF540 30C300FF */  andi  $v1, $a2, 0xff
 /* B766E4 800FF544 00A03825 */  move  $a3, $a1
diff --git a/asm/non_matchings/code/z_fbdemo/func_800B1DBC.s b/asm/non_matchings/code/z_fbdemo/func_800B1DBC.s
index e971fd3916..1918456d44 100644
--- a/asm/non_matchings/code/z_fbdemo/func_800B1DBC.s
+++ b/asm/non_matchings/code/z_fbdemo/func_800B1DBC.s
@@ -36,7 +36,7 @@ glabel func_800B1DBC
 /* B28F7C 800B1DDC 3C048014 */  lui   $a0, %hi(D_80142F58) # $a0, 0x8014
 /* B28F80 800B1DE0 0C00084C */  jal   osSyncPrintf
 /* B28F84 800B1DE4 24842F58 */   addiu $a0, %lo(D_80142F58) # addiu $a0, $a0, 0x2f58
-/* B28F88 800B1DE8 0C03FD2B */  jal   func_800FF4AC
+/* B28F88 800B1DE8 0C03FD2B */  jal   Sleep_Msec
 /* B28F8C 800B1DEC 24040064 */   li    $a0, 100
 /* B28F90 800B1DF0 8E04000C */  lw    $a0, 0xc($s0)
 /* B28F94 800B1DF4 3C058014 */  lui   $a1, %hi(D_80142F68) # $a1, 0x8014
diff --git a/asm/non_matchings/code/z_room/func_80096238.s b/asm/non_matchings/code/z_room/func_80096238.s
deleted file mode 100644
index fac5877a24..0000000000
--- a/asm/non_matchings/code/z_room/func_80096238.s
+++ /dev/null
@@ -1,120 +0,0 @@
-.rdata
-glabel D_8013EF8C
-    .asciz "JPEGデータを展開します\n"
-    .balign 4
-
-glabel D_8013EFA4
-    .asciz "JPEGデータアドレス %08x\n"
-    .balign 4
-
-glabel D_8013EFC0
-    .asciz "ワークバッファアドレス（Ｚバッファ）%08x\n"
-    .balign 4
-
-glabel D_8013EFEC
-    .asciz "成功…だと思う。 time = %6.3f ms \n"
-    .balign 4
-
-glabel D_8013F010
-    .asciz "ワークバッファから元のアドレスに書き戻します。\n"
-    .balign 4
-
-glabel D_8013F040
-    .asciz "元のバッファのサイズが150キロバイト無いと暴走するでしょう。\n"
-    .balign 4
-
-glabel D_8013F080
-    .asciz "失敗！なんで〜\n"
-    .balign 4
-
-.text
-glabel func_80096238
-/* B0D3D8 80096238 27BDFFE0 */  addiu $sp, $sp, -0x20
-/* B0D3DC 8009623C AFBF0014 */  sw    $ra, 0x14($sp)
-/* B0D3E0 80096240 AFA40020 */  sw    $a0, 0x20($sp)
-/* B0D3E4 80096244 8C8F0000 */  lw    $t7, ($a0)
-/* B0D3E8 80096248 3C01FFD8 */  lui   $at, (0xFFD8FFE0 >> 16) # lui $at, 0xffd8
-/* B0D3EC 8009624C 3421FFE0 */  ori   $at, (0xFFD8FFE0 & 0xFFFF) # ori $at, $at, 0xffe0
-/* B0D3F0 80096250 15E10049 */  bne   $t7, $at, .L80096378
-/* B0D3F4 80096254 3C048014 */   lui   $a0, %hi(D_8013EF8C) # $a0, 0x8014
-/* B0D3F8 80096258 0C00084C */  jal   osSyncPrintf
-/* B0D3FC 8009625C 2484EF8C */   addiu $a0, %lo(D_8013EF8C) # addiu $a0, $a0, -0x1074
-/* B0D400 80096260 3C048014 */  lui   $a0, %hi(D_8013EFA4) # $a0, 0x8014
-/* B0D404 80096264 2484EFA4 */  addiu $a0, %lo(D_8013EFA4) # addiu $a0, $a0, -0x105c
-/* B0D408 80096268 0C00084C */  jal   osSyncPrintf
-/* B0D40C 8009626C 8FA50020 */   lw    $a1, 0x20($sp)
-/* B0D410 80096270 3C048014 */  lui   $a0, %hi(D_8013EFC0) # $a0, 0x8014
-/* B0D414 80096274 3C058017 */  lui   $a1, %hi(D_801759C0) # $a1, 0x8017
-/* B0D418 80096278 24A559C0 */  addiu $a1, %lo(D_801759C0) # addiu $a1, $a1, 0x59c0
-/* B0D41C 8009627C 0C00084C */  jal   osSyncPrintf
-/* B0D420 80096280 2484EFC0 */   addiu $a0, %lo(D_8013EFC0) # addiu $a0, $a0, -0x1040
-/* B0D424 80096284 0C001A78 */  jal   osGetTime
-/* B0D428 80096288 00000000 */   nop   
-/* B0D42C 8009628C 3C058017 */  lui   $a1, %hi(D_801759C0) # $a1, 0x8017
-/* B0D430 80096290 3C06801A */  lui   $a2, %hi(gGfxSPTaskOutputBuffer) # $a2, 0x801a
-/* B0D434 80096294 3C070001 */  lui   $a3, (0x00018000 >> 16) # lui $a3, 1
-/* B0D438 80096298 AFA20018 */  sw    $v0, 0x18($sp)
-/* B0D43C 8009629C AFA3001C */  sw    $v1, 0x1c($sp)
-/* B0D440 800962A0 34E78000 */  ori   $a3, (0x00018000 & 0xFFFF) # ori $a3, $a3, 0x8000
-/* B0D444 800962A4 24C6B1C0 */  addiu $a2, %lo(gGfxSPTaskOutputBuffer) # addiu $a2, $a2, -0x4e40
-/* B0D448 800962A8 24A559C0 */  addiu $a1, %lo(D_801759C0) # addiu $a1, $a1, 0x59c0
-/* B0D44C 800962AC 0C01B906 */  jal   func_8006E418
-/* B0D450 800962B0 8FA40020 */   lw    $a0, 0x20($sp)
-/* B0D454 800962B4 1440002E */  bnez  $v0, .L80096370
-/* B0D458 800962B8 3C048014 */   lui   $a0, %hi(D_8013F080)
-/* B0D45C 800962BC 0C001A78 */  jal   osGetTime
-/* B0D460 800962C0 00000000 */   nop   
-/* B0D464 800962C4 8FB80018 */  lw    $t8, 0x18($sp)
-/* B0D468 800962C8 8FB9001C */  lw    $t9, 0x1c($sp)
-/* B0D46C 800962CC 24060000 */  li    $a2, 0
-/* B0D470 800962D0 00584023 */  subu  $t0, $v0, $t8
-/* B0D474 800962D4 0079082B */  sltu  $at, $v1, $t9
-/* B0D478 800962D8 01012023 */  subu  $a0, $t0, $at
-/* B0D47C 800962DC 00792823 */  subu  $a1, $v1, $t9
-/* B0D480 800962E0 AFA5001C */  sw    $a1, 0x1c($sp)
-/* B0D484 800962E4 AFA40018 */  sw    $a0, 0x18($sp)
-/* B0D488 800962E8 0C000E1E */  jal   __ll_mul
-/* B0D48C 800962EC 24070040 */   li    $a3, 64
-/* B0D490 800962F0 00402025 */  move  $a0, $v0
-/* B0D494 800962F4 00602825 */  move  $a1, $v1
-/* B0D498 800962F8 24060000 */  li    $a2, 0
-/* B0D49C 800962FC 0C000DDE */  jal   __ull_div
-/* B0D4A0 80096300 24070BB8 */   li    $a3, 3000
-/* B0D4A4 80096304 00402025 */  move  $a0, $v0
-/* B0D4A8 80096308 0C0419CA */  jal   __ull_to_f
-/* B0D4AC 8009630C 00602825 */   move  $a1, $v1
-/* B0D4B0 80096310 3C01447A */  li    $at, 0x447A0000 # 0.000000
-/* B0D4B4 80096314 44812000 */  mtc1  $at, $f4
-/* B0D4B8 80096318 3C048014 */  lui   $a0, %hi(D_8013EFEC) # $a0, 0x8014
-/* B0D4BC 8009631C 2484EFEC */  addiu $a0, %lo(D_8013EFEC) # addiu $a0, $a0, -0x1014
-/* B0D4C0 80096320 46040183 */  div.s $f6, $f0, $f4
-/* B0D4C4 80096324 46003221 */  cvt.d.s $f8, $f6
-/* B0D4C8 80096328 44074000 */  mfc1  $a3, $f8
-/* B0D4CC 8009632C 44064800 */  mfc1  $a2, $f9
-/* B0D4D0 80096330 0C00084C */  jal   osSyncPrintf
-/* B0D4D4 80096334 00000000 */   nop   
-/* B0D4D8 80096338 3C048014 */  lui   $a0, %hi(D_8013F010) # $a0, 0x8014
-/* B0D4DC 8009633C 0C00084C */  jal   osSyncPrintf
-/* B0D4E0 80096340 2484F010 */   addiu $a0, %lo(D_8013F010) # addiu $a0, $a0, -0xff0
-/* B0D4E4 80096344 3C048014 */  lui   $a0, %hi(D_8013F040) # $a0, 0x8014
-/* B0D4E8 80096348 0C00084C */  jal   osSyncPrintf
-/* B0D4EC 8009634C 2484F040 */   addiu $a0, %lo(D_8013F040) # addiu $a0, $a0, -0xfc0
-/* B0D4F0 80096350 3C048017 */  lui   $a0, %hi(D_801759C0) # $a0, 0x8017
-/* B0D4F4 80096354 3C060002 */  lui   $a2, (0x00025800 >> 16) # lui $a2, 2
-/* B0D4F8 80096358 34C65800 */  ori   $a2, (0x00025800 & 0xFFFF) # ori $a2, $a2, 0x5800
-/* B0D4FC 8009635C 248459C0 */  addiu $a0, %lo(D_801759C0) # addiu $a0, $a0, 0x59c0
-/* B0D500 80096360 0C001BC4 */  jal   bcopy
-/* B0D504 80096364 8FA50020 */   lw    $a1, 0x20($sp)
-/* B0D508 80096368 10000004 */  b     .L8009637C
-/* B0D50C 8009636C 8FBF0014 */   lw    $ra, 0x14($sp)
-.L80096370:
-/* B0D510 80096370 0C00084C */  jal   osSyncPrintf
-/* B0D514 80096374 2484F080 */   addiu $a0, %lo(D_8013F080)
-.L80096378:
-/* B0D518 80096378 8FBF0014 */  lw    $ra, 0x14($sp)
-.L8009637C:
-/* B0D51C 8009637C 27BD0020 */  addiu $sp, $sp, 0x20
-/* B0D520 80096380 00001025 */  move  $v0, $zero
-/* B0D524 80096384 03E00008 */  jr    $ra
-/* B0D528 80096388 00000000 */   nop   
-
diff --git a/asm/non_matchings/overlays/actors/ovl_kaleido_scope/func_8081F2FC.s b/asm/non_matchings/overlays/actors/ovl_kaleido_scope/func_8081F2FC.s
index b119fffc7f..425fa9499f 100644
--- a/asm/non_matchings/overlays/actors/ovl_kaleido_scope/func_8081F2FC.s
+++ b/asm/non_matchings/overlays/actors/ovl_kaleido_scope/func_8081F2FC.s
@@ -1,7 +1,7 @@
 glabel func_8081F2FC
 /* 0BADC 8081F2FC 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
 /* 0BAE0 8081F300 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 0BAE4 8081F304 0C03FD2B */  jal     func_800FF4AC              
+/* 0BAE4 8081F304 0C03FD2B */  jal     Sleep_Msec              
 /* 0BAE8 8081F308 24040032 */  addiu   $a0, $zero, 0x0032         ## $a0 = 00000032
 /* 0BAEC 8081F30C 3C048083 */  lui     $a0, %hi(D_808321B0)       ## $a0 = 80830000
 /* 0BAF0 8081F310 0C030DDC */  jal     func_800C3770              
diff --git a/include/functions.h b/include/functions.h
index 9dcdad1af9..5cc3b46f5c 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -2309,8 +2309,13 @@ void __osDisplayArena(Arena* arena);
 void ArenaImpl_FaultClient(Arena* arena);
 u32 __osCheckArena(Arena* arena);
 u8 func_800FF334(Arena* arena);
-// ? func_800FF3A0(?);
-// ? func_800FF4AC(?);
+void PrintUtils_VPrintf(char** arg0, const char* fmt, va_list args);
+void PrintUtils_Printf(void* arg0, const char* fmt, ...);
+void Sleep_Cycles(OSTime cycles);
+void Sleep_Nsec(u32 nsec);
+void Sleep_Usec(u32 usec);
+void Sleep_Msec(u32 ms);
+void Sleep_Sec(u32 sec);
 // ? func_800FF540(?);
 // ? func_800FF5A8(?);
 // ? func_800FF62C(?);
diff --git a/spec b/spec
index b2114edd79..6d022e7a1d 100644
--- a/spec
+++ b/spec
@@ -502,7 +502,9 @@ beginseg
     include "build/data/code_800FD970.data.o"
     include "build/data/code_800FD970.bss.o"
     include "build/src/code/__osMalloc.o"
-    include "build/asm/code_800FF340.o"
+    include "build/src/code/printutils.o"
+    include "build/src/code/sleep.o"
+    include "build/asm/code_800FF540.o"
     include "build/asm/code_800FFA50.o"
     include "build/data/code_800FFA50.bss.o"
     include "build/asm/code_80100040.o"
diff --git a/src/code/__osMalloc.c b/src/code/__osMalloc.c
index d5501c663d..6b4d84eafe 100644
--- a/src/code/__osMalloc.c
+++ b/src/code/__osMalloc.c
@@ -711,7 +711,7 @@ void __osDisplayArena(Arena* arena) {
                          iter->size);
 
             if (!iter->isFree) {
-                osSyncPrintf(" [%016llu:%2d:%s:%d]", (iter->time * 64ll) / 3ull, iter->threadId,
+                osSyncPrintf(" [%016llu:%2d:%s:%d]", OS_CYCLES_TO_NSEC(iter->time), iter->threadId,
                              iter->filename ? iter->filename : "**NULL**", iter->line);
             }
 
diff --git a/src/code/code_800D31A0.c b/src/code/code_800D31A0.c
index 3f73824402..54201e35fc 100644
--- a/src/code/code_800D31A0.c
+++ b/src/code/code_800D31A0.c
@@ -9,7 +9,7 @@ u32 D_8012DBC0 = false;
 void func_800D31A0() {
     osSyncPrintf(VT_FGCOL(RED) "\n**** Freeze!! ****\n" VT_RST);
     while (true) {
-        func_800FF4AC(1000); // msleep
+        Sleep_Msec(1000);
     }
 }
 
diff --git a/src/code/fault.c b/src/code/fault.c
index 05bee87d51..92f2526479 100644
--- a/src/code/fault.c
+++ b/src/code/fault.c
@@ -2,6 +2,7 @@
 #include <global.h>
 #include <alloca.h>
 #include <vt.h>
+#include <PR/os_cont.h>
 
 // data
 const char* sExceptionNames[] = {
@@ -42,7 +43,7 @@ FaultThreadStruct gFaultStruct;
 
 void Fault_SleepImpl(u32 duration) {
     u64 value = (duration * OS_CPU_COUNTER) / 1000ull;
-    func_800FF3A0(value);
+    Sleep_Cycles(value);
 }
 
 void Fault_ClientProcessThread(FaultClientContext* ctx) {
@@ -582,7 +583,7 @@ void Fault_DrawMemDump(u32 pc, u32 sp, u32 unk0, u32 unk1) {
             count--;
             Fault_Sleep(0x10);
             Fault_UpdatePadImpl();
-            if (!~(curInput->padPressed | ~0x20)) {
+            if (!~(curInput->padPressed | ~L_TRIG)) {
                 sFaultStructPtr->faultActive = false;
             }
         }
@@ -592,40 +593,40 @@ void Fault_DrawMemDump(u32 pc, u32 sp, u32 unk0, u32 unk1) {
             Fault_UpdatePadImpl();
         } while (curInput->padPressed == 0);
 
-        if (!~(curInput->padPressed | ~0x1000)) {
+        if (!~(curInput->padPressed | ~START_BUTTON)) {
             return;
         }
 
-        if (!~(curInput->raw.pad | ~0x8000)) {
+        if (!~(curInput->raw.pad | ~A_BUTTON)) {
             return;
         }
 
         off = 0x10;
-        if (!~(curInput->raw.pad | ~0x2000)) {
+        if (!~(curInput->raw.pad | ~Z_TRIG)) {
             off = 0x100;
         }
-        if (!~(curInput->raw.pad | ~0x4000)) {
+        if (!~(curInput->raw.pad | ~B_BUTTON)) {
             off <<= 8;
         }
-        if (!~(curInput->raw.pad | ~0x800)) {
+        if (!~(curInput->raw.pad | ~U_JPAD)) {
             addr -= off;
         }
-        if (!~(curInput->raw.pad | ~0x400)) {
+        if (!~(curInput->raw.pad | ~D_JPAD)) {
             addr += off;
         }
-        if (!~(curInput->raw.pad | ~0x8)) {
+        if (!~(curInput->raw.pad | ~U_CBUTTONS)) {
             addr = pc;
         }
-        if (!~(curInput->raw.pad | ~0x4)) {
+        if (!~(curInput->raw.pad | ~D_CBUTTONS)) {
             addr = sp;
         }
-        if (!~(curInput->raw.pad | ~0x2)) {
+        if (!~(curInput->raw.pad | ~L_CBUTTONS)) {
             addr = unk0;
         }
-        if (!~(curInput->raw.pad | ~0x1)) {
+        if (!~(curInput->raw.pad | ~R_CBUTTONS)) {
             addr = unk1;
         }
-        if (!~(curInput->raw.pad | ~0x20)) {
+        if (!~(curInput->raw.pad | ~L_TRIG)) {
             break;
         }
     }
diff --git a/src/code/gfxprint.c b/src/code/gfxprint.c
index 7d17af7900..0555e1cec0 100644
--- a/src/code/gfxprint.c
+++ b/src/code/gfxprint.c
@@ -388,7 +388,7 @@ Gfx* GfxPrint_Close(GfxPrint* this) {
 }
 
 void GfxPrint_VPrintf(GfxPrint* this, const char* fmt, va_list args) {
-    func_800FF340(&this->callback, fmt, args);
+    PrintUtils_VPrintf(&this->callback, fmt, args);
 }
 
 void GfxPrint_Printf(GfxPrint* this, const char* fmt, ...) {
diff --git a/src/code/graph.c b/src/code/graph.c
index fb3d80e069..cd7f5fe2b8 100644
--- a/src/code/graph.c
+++ b/src/code/graph.c
@@ -263,7 +263,7 @@ u32 sGraphCfbInfoIdx = 0;
 // Very close to matching, stack usage
 #ifdef NON_MATCHING
 void Graph_Update(GraphicsContext* gfxCtx, GameState* gameState) {
-    u32 problem;     // 0xC4 -> 0xD4
+    u32 problem;       // 0xC4 -> 0xD4
     Gfx* dispRefs[5];  // 0xB0 -> 0xC0
     Gfx* dispRefs2[9]; // 0x8C -> 0x9C
     Gfx* dispRefs3[9]; // 0x68 -> 0x78
diff --git a/src/code/padmgr.c b/src/code/padmgr.c
index dc3e9c472a..ac345c86b6 100644
--- a/src/code/padmgr.c
+++ b/src/code/padmgr.c
@@ -233,7 +233,7 @@ void PadMgr_Run(PadMgr* padmgr) {
     while (bVar2 == 0) {
         if ((D_8012D280 > 2) && (padmgr->queue3.validCount == 0)) {
             // EUC-JP: コントローラスレッドイベント待ち | Waiting for controller thread event
-            osSyncPrintf("コントローラスレッドイベント待ち %lld\n", (osGetTime() * 64) / 3000);
+            osSyncPrintf("コントローラスレッドイベント待ち %lld\n", OS_CYCLES_TO_USEC(osGetTime()));
         }
 
         osRecvMesg(&padmgr->queue3, &mesg, OS_MESG_BLOCK);
@@ -242,13 +242,13 @@ void PadMgr_Run(PadMgr* padmgr) {
         switch (*mesg) {
             case OS_SC_RETRACE_MSG:
                 if (D_8012D280 > 2) {
-                    osSyncPrintf("padmgr_HandleRetraceMsg START %lld\n", (osGetTime() * 64) / 3000);
+                    osSyncPrintf("padmgr_HandleRetraceMsg START %lld\n", OS_CYCLES_TO_USEC(osGetTime()));
                 }
 
                 func_800C7C14(padmgr);
 
                 if (D_8012D280 > 2) {
-                    osSyncPrintf("padmgr_HandleRetraceMsg END   %lld\n", (osGetTime() * 64) / 3000);
+                    osSyncPrintf("padmgr_HandleRetraceMsg END   %lld\n", OS_CYCLES_TO_USEC(osGetTime()));
                 }
 
                 break;
diff --git a/src/code/printutils.c b/src/code/printutils.c
new file mode 100644
index 0000000000..7cd00f71c4
--- /dev/null
+++ b/src/code/printutils.c
@@ -0,0 +1,12 @@
+#include <global.h>
+
+void PrintUtils_VPrintf(char** arg0, const char* fmt, va_list args) {
+    _Printf(*arg0, arg0, fmt, args);
+}
+
+void PrintUtils_Printf(void* arg0, const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+
+    PrintUtils_VPrintf(arg0, fmt, args);
+}
diff --git a/src/code/sched.c b/src/code/sched.c
index af971ff2e2..b7306425d4 100644
--- a/src/code/sched.c
+++ b/src/code/sched.c
@@ -35,7 +35,7 @@ void func_800C8910(SchedContext* sc) {
         osSpTaskYield();
 
         if (D_8012D290 != 0) {
-            osSyncPrintf("%08d:osSpTaskYield\n", (u32)((osGetTime() * 64) / 3000));
+            osSyncPrintf("%08d:osSpTaskYield\n", (u32)(OS_CYCLES_TO_USEC(osGetTime())));
         }
     }
 }
diff --git a/src/code/sleep.c b/src/code/sleep.c
new file mode 100644
index 0000000000..31720a0dff
--- /dev/null
+++ b/src/code/sleep.c
@@ -0,0 +1,28 @@
+#include <global.h>
+
+void Sleep_Cycles(OSTime cycles) {
+    OSMesgQueue mq;
+    OSMesg msg;
+    OSTimer timer;
+
+    osCreateMesgQueue(&mq, &msg, OS_MESG_BLOCK);
+    osSetTimer(&timer, cycles, 0, &mq, NULL);
+    osRecvMesg(&mq, NULL, OS_MESG_BLOCK);
+}
+
+void Sleep_Nsec(u32 nsec) {
+    Sleep_Cycles(OS_NSEC_TO_CYCLES(nsec));
+}
+
+void Sleep_Usec(u32 usec) {
+    Sleep_Cycles(OS_USEC_TO_CYCLES(usec));
+}
+
+// originally "msleep"
+void Sleep_Msec(u32 ms) {
+    Sleep_Cycles((ms * OS_CPU_COUNTER) / 1000ull);
+}
+
+void Sleep_Sec(u32 sec) {
+    Sleep_Cycles(sec * OS_CPU_COUNTER);
+}
diff --git a/src/code/z_debug.c b/src/code/z_debug.c
index adda7974bd..cb21e0125a 100644
--- a/src/code/z_debug.c
+++ b/src/code/z_debug.c
@@ -114,7 +114,7 @@ void func_8006390C(Input* input) {
     s32 i;
 
     regGroup = (gGameInfo->regGroup * REG_PAGES + gGameInfo->regPage) * REG_PER_PAGE - REG_PER_PAGE;
-    dpad = input->raw.pad & 0xF00;
+    dpad = input->raw.pad & (U_JPAD | L_JPAD | R_JPAD | D_JPAD);
     if (!~(input->raw.pad | ~L_TRIG) || !~(input->raw.pad | ~R_TRIG) || !~(input->raw.pad | ~START_BUTTON)) {
         input_combo = inputCombos;
         for (i = 0; i < REG_GROUPS; i++) {
diff --git a/src/code/z_demo.c b/src/code/z_demo.c
index 5735a56890..be6505dcd8 100644
--- a/src/code/z_demo.c
+++ b/src/code/z_demo.c
@@ -99,15 +99,14 @@ void func_80064558(GlobalContext* globalCtx, CutsceneContext* csCtx) {
 void func_800645A0(GlobalContext* globalCtx, CutsceneContext* csCtx) {
     Input* pad1 = &globalCtx->state.input[0];
 
-    if (!~(pad1->padPressed | ~L_JPAD) && (csCtx->state == CS_STATE_IDLE) &&
-        (gSaveContext.scene_setup_index >= 4)) {
+    if (!~(pad1->padPressed | ~L_JPAD) && (csCtx->state == CS_STATE_IDLE) && (gSaveContext.scene_setup_index >= 4)) {
         D_8015FCC8 = 0;
         gSaveContext.cutscene_index = 0xFFFD;
         gSaveContext.cutscene_trigger = 1;
     }
 
-    if (!~(pad1->padPressed | ~U_JPAD) && (csCtx->state == CS_STATE_IDLE) &&
-        (gSaveContext.scene_setup_index >= 4) && (D_8011D394 == 0)) {
+    if (!~(pad1->padPressed | ~U_JPAD) && (csCtx->state == CS_STATE_IDLE) && (gSaveContext.scene_setup_index >= 4) &&
+        (D_8011D394 == 0)) {
         D_8015FCC8 = 1;
         gSaveContext.cutscene_index = 0xFFFD;
         gSaveContext.cutscene_trigger = 1;
@@ -431,7 +430,7 @@ void func_80065134(GlobalContext* globalCtx, CutsceneContext* csCtx, CsCmdDayTim
     if (csCtx->frames == cmd->startFrame) {
         temp1 = (cmd->hour * 60.0f) / 0.021972656f;
         temp2 = (cmd->minute + 1) / 0.021972656f;
-        
+
         gSaveContext.day_time = temp1 + temp2;
         gSaveContext.environment_time = temp1 + temp2;
     }
@@ -444,15 +443,15 @@ void Cutscene_Command_Terminator(GlobalContext* globalCtx, CutsceneContext* csCt
 
     if ((gSaveContext.game_mode != 0) && (gSaveContext.game_mode != 3) && (globalCtx->sceneNum != SCENE_SPOT00) &&
         (csCtx->frames > 20) &&
-        (!~(globalCtx->state.input[0].padPressed | 0xFFFF7FFF) || !~(globalCtx->state.input[0].padPressed | -0x4001) ||
-         !~(globalCtx->state.input[0].padPressed | -0x1001)) &&
+        (!~(globalCtx->state.input[0].padPressed | ~A_BUTTON) || !~(globalCtx->state.input[0].padPressed | ~B_BUTTON) ||
+         !~(globalCtx->state.input[0].padPressed | ~START_BUTTON)) &&
         (gSaveContext.file_num != 0xFEDC) && (globalCtx->sceneLoadFlag == 0)) {
         Audio_PlaySoundGeneral(NA_SE_SY_PIECE_OF_HEART, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
         temp = 1;
     }
 
     if ((csCtx->frames == cmd->startFrame) || (temp != 0) ||
-        ((csCtx->frames > 20) && (!~(globalCtx->state.input[0].padPressed | -0x1001)) &&
+        ((csCtx->frames > 20) && (!~(globalCtx->state.input[0].padPressed | ~START_BUTTON)) &&
          (gSaveContext.file_num != 0xFEDC))) {
         csCtx->state = CS_STATE_UNSKIPPABLE_EXEC;
         func_800F68BC(0);
@@ -1524,7 +1523,7 @@ void Cutscene_ProcessCommands(GlobalContext* globalCtx, CutsceneContext* csCtx,
         return;
     }
 
-    if (!~(globalCtx->state.input[0].padPressed | -0x101)) {
+    if (!~(globalCtx->state.input[0].padPressed | ~R_JPAD)) {
         csCtx->state = CS_STATE_UNSKIPPABLE_INIT;
         return;
     }
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index d94f95a3a8..19e5915aa7 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -1,6 +1,7 @@
 #include <ultra64.h>
 #include <global.h>
 #include <vt.h>
+#include <PR/os_cont.h>
 
 typedef struct {
     /* 0x00 */ u8 scene;
@@ -3981,13 +3982,13 @@ void Interface_Update(GlobalContext* globalCtx) {
     u16 action;
     Input* input = &globalCtx->state.input[2];
 
-    if (!~(input->padPressed | -0x201)) {
+    if (!~(input->padPressed | ~L_JPAD)) {
         gSaveContext.language = 0;
         osSyncPrintf("J_N=%x J_N=%x\n", gSaveContext.language, &gSaveContext.language);
-    } else if (!~(input->padPressed | -0x801)) {
+    } else if (!~(input->padPressed | ~U_JPAD)) {
         gSaveContext.language = 1;
         osSyncPrintf("J_N=%x J_N=%x\n", gSaveContext.language, &gSaveContext.language);
-    } else if (!~(input->padPressed | -0x101)) {
+    } else if (!~(input->padPressed | ~R_JPAD)) {
         gSaveContext.language = 2;
         osSyncPrintf("J_N=%x J_N=%x\n", gSaveContext.language, &gSaveContext.language);
     }
diff --git a/src/code/z_room.c b/src/code/z_room.c
index 690ce974c4..dd181d6067 100644
--- a/src/code/z_room.c
+++ b/src/code/z_room.c
@@ -230,11 +230,7 @@ void func_80095D04(GlobalContext* globalCtx, Room* room, u32 flags) {
 
 #define JPEG_MARKER 0xFFD8FFE0
 
-#ifdef NON_MATCHING
-// long multiplication by 64 doesn't quite match
 s32 func_80096238(void* data) {
-    OSTime timeBefore;
-    OSTime timeAfter;
     OSTime time;
 
     if (*(u32*)data == JPEG_MARKER) {
@@ -245,13 +241,12 @@ s32 func_80096238(void* data) {
         // Translates to: "WORK BUFFER ADDRESS (Z BUFFER) %08x"
         osSyncPrintf("ワークバッファアドレス（Ｚバッファ）%08x\n", gZBuffer);
 
-        timeBefore = osGetTime();
+        time = osGetTime();
         if (!func_8006E418(data, gZBuffer, gGfxSPTaskOutputBuffer, sizeof(gGfxSPTaskOutputBuffer))) {
-            timeAfter = osGetTime();
-            time = ((timeAfter - timeBefore) * 64) / 3000;
+            time = osGetTime() - time;
 
             // Translates to: "SUCCESS... I THINK. time = %6.3f ms"
-            osSyncPrintf("成功…だと思う。 time = %6.3f ms \n", (f64)(time / 1000.0f));
+            osSyncPrintf("成功…だと思う。 time = %6.3f ms \n", (f64)(OS_CYCLES_TO_USEC(time) / 1000.0f));
             // Translates to: "WRITING BACK TO ORIGINAL ADDRESS FROM WORK BUFFER."
             osSyncPrintf("ワークバッファから元のアドレスに書き戻します。\n");
             // Translates to: "IF THE ORIGINAL BUFFER SIZE ISN'T AT LEAST 150KB, IT WILL BE OUT OF CONTROL."
@@ -266,9 +261,6 @@ s32 func_80096238(void* data) {
 
     return 0;
 }
-#else
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_room/func_80096238.s")
-#endif
 
 #ifdef NON_MATCHING
 // pointer arithmetic doesn't quite match
diff --git a/src/libultra_boot_O1/initialize.c b/src/libultra_boot_O1/initialize.c
index 903a9212aa..3683ad3b8c 100644
--- a/src/libultra_boot_O1/initialize.c
+++ b/src/libultra_boot_O1/initialize.c
@@ -8,7 +8,7 @@ typedef struct {
     u32 ins_0C; // nop
 } struct_exceptionPreamble;
 
-u64 osClockRate = 62500000;
+u64 osClockRate = OS_CLOCK_RATE;
 u32 osViClock = VI_NTSC_CLOCK;
 u32 __osShutdown = 0;
 u32 __OSGlobalIntMask = 0x003FFF01;
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
index e7238be66f..be173c006c 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
@@ -36,31 +36,19 @@ const ActorInit Bg_Hidan_Firewall_InitVars = {
 };
 
 static ColliderCylinderInit cylinderInitData = {
-    0x0A, 0x11, 0x00, 0x09,
-    0x20, 0x01, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00,
-    0x20000000,
-    0x01, 0x04, 0x00, 0x00,
-    0xFFCFFFFF,
-    0x00, 0x00, 0x00, 0x00, 
-    0x19, 0x00, 0x01, 0x00,
-    0x001E, 0x0053,
-    0x0000,
+    0x0A, 0x11, 0x00,       0x09, 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   0x20000000, 0x01,   0x04,
+    0x00, 0x00, 0xFFCFFFFF, 0x00, 0x00, 0x00, 0x00, 0x19, 0x00, 0x01, 0x00, 0x001E, 0x0053,     0x0000,
 };
 
 static Sub98Init4 actor98InitData = {
-    0x01, 0x0050, 0x0064, 0xFF,
+    0x01,
+    0x0050,
+    0x0064,
+    0xFF,
 };
 
 UNK_PTR D_80886D04[] = {
-    0x06015D20, 
-    0x06016120, 
-    0x06016520, 
-    0x06016920, 
-    0x06016D20, 
-    0x06017120, 
-    0x06017520, 
-    0x06017920,
+    0x06015D20, 0x06016120, 0x06016520, 0x06016920, 0x06016D20, 0x06017120, 0x06017520, 0x06017920,
 };
 
 void BgHidanFirewall_Init(BgHidanFirewall* this, GlobalContext* globalCtx) {
@@ -124,7 +112,7 @@ void BgHidanFirewall_Countdown(BgHidanFirewall* this, GlobalContext* globalCtx)
 
 void BgHidanFirewall_Erupt(BgHidanFirewall* this, GlobalContext* globalCtx) {
     if (BgHidanFirewall_CheckProximity(this, globalCtx) != 0) {
-        Math_ApproxF(&this->actor.scale.y, 0.1f, 0.01f/0.4f);
+        Math_ApproxF(&this->actor.scale.y, 0.1f, 0.01f / 0.4f);
     } else {
         if (Math_ApproxF(&this->actor.scale.y, 0.01f, 0.01f) != 0) {
             this->actor.draw = NULL;
diff --git a/src/overlays/actors/ovl_En_Wallmas/z_en_wallmas.c b/src/overlays/actors/ovl_En_Wallmas/z_en_wallmas.c
index b17544c460..93233a3cc9 100644
--- a/src/overlays/actors/ovl_En_Wallmas/z_en_wallmas.c
+++ b/src/overlays/actors/ovl_En_Wallmas/z_en_wallmas.c
@@ -9,7 +9,7 @@
 #define ROOM 0x00
 #define FLAGS 0x00000015
 
-#define TIMER_SCALE 0.0062500000931322574615478515625f
+#define TIMER_SCALE ((f32)OS_CLOCK_RATE / 10000000000)
 #define DEGREE_60_RAD 1.0471975803375244140625f
 #define DEGREE_15_RAD 0.261799395084381103515625f