diff --git a/asm/non_matchings/unknown_066AA0/func_8006C3E0.s b/asm/non_matchings/unknown_066AA0/func_8006C3E0.s
index de3f95a4..e10b8558 100644
--- a/asm/non_matchings/unknown_066AA0/func_8006C3E0.s
+++ b/asm/non_matchings/unknown_066AA0/func_8006C3E0.s
@@ -42,7 +42,7 @@ glabel func_8006C3E0
 /* 06D070 8006C470 AFB90010 */  sw    $t9, 0x10($sp)
 /* 06D074 8006C474 24A534E8 */  addiu $a1, %lo(D_801234E8) # addiu $a1, $a1, 0x34e8
 /* 06D078 8006C478 24841260 */  addiu $a0, %lo(D_80121260) # addiu $a0, $a0, 0x1260
-/* 06D07C 8006C47C 0C01E4D4 */  jal   func_80079350
+/* 06D07C 8006C47C 0C01E4D4 */  jal   osCreateScheduler
 /* 06D080 8006C480 2406000D */   li    $a2, 13
 /* 06D084 8006C484 3C01800E */  lui   $at, %hi(D_800DD3A0) # $at, 0x800e
 /* 06D088 8006C488 0C01BBEE */  jal   func_8006EFB8
diff --git a/asm/non_matchings/unknown_079F50/D_800795AC.s b/asm/non_matchings/unknown_079F50/__scMain.s
similarity index 99%
rename from asm/non_matchings/unknown_079F50/D_800795AC.s
rename to asm/non_matchings/unknown_079F50/__scMain.s
index 8676224a..3caad31c 100644
--- a/asm/non_matchings/unknown_079F50/D_800795AC.s
+++ b/asm/non_matchings/unknown_079F50/__scMain.s
@@ -1,4 +1,4 @@
-glabel D_800795AC
+glabel __scMain
 /* 07A1AC 800795AC 27BDFF98 */  addiu $sp, $sp, -0x68
 /* 07A1B0 800795B0 AFBE0038 */  sw    $fp, 0x38($sp)
 /* 07A1B4 800795B4 AFB70034 */  sw    $s7, 0x34($sp)
diff --git a/asm/non_matchings/unknown_079F50/func_80079350.s b/asm/non_matchings/unknown_079F50/func_80079350.s
deleted file mode 100644
index 2d3fa628..00000000
--- a/asm/non_matchings/unknown_079F50/func_80079350.s
+++ /dev/null
@@ -1,78 +0,0 @@
-glabel func_80079350
-/* 079F50 80079350 27BDFFD8 */  addiu $sp, $sp, -0x28
-/* 079F54 80079354 AFB0001C */  sw    $s0, 0x1c($sp)
-/* 079F58 80079358 AFBF0024 */  sw    $ra, 0x24($sp)
-/* 079F5C 8007935C AFB10020 */  sw    $s1, 0x20($sp)
-/* 079F60 80079360 AFA5002C */  sw    $a1, 0x2c($sp)
-/* 079F64 80079364 AFA60030 */  sw    $a2, 0x30($sp)
-/* 079F68 80079368 AFA70034 */  sw    $a3, 0x34($sp)
-/* 079F6C 8007936C 240E0001 */  li    $t6, 1
-/* 079F70 80079370 240F0004 */  li    $t7, 4
-/* 079F74 80079374 00808025 */  move  $s0, $a0
-/* 079F78 80079378 AC800274 */  sw    $zero, 0x274($a0)
-/* 079F7C 8007937C AC800278 */  sw    $zero, 0x278($a0)
-/* 079F80 80079380 AC800260 */  sw    $zero, 0x260($a0)
-/* 079F84 80079384 AC800264 */  sw    $zero, 0x264($a0)
-/* 079F88 80079388 AC800268 */  sw    $zero, 0x268($a0)
-/* 079F8C 8007938C AC80026C */  sw    $zero, 0x26c($a0)
-/* 079F90 80079390 AC800270 */  sw    $zero, 0x270($a0)
-/* 079F94 80079394 AC800280 */  sw    $zero, 0x280($a0)
-/* 079F98 80079398 AC80027C */  sw    $zero, 0x27c($a0)
-/* 079F9C 8007939C A48E0000 */  sh    $t6, ($a0)
-/* 079FA0 800793A0 A48F0020 */  sh    $t7, 0x20($a0)
-/* 079FA4 800793A4 30F100FF */  andi  $s1, $a3, 0xff
-/* 079FA8 800793A8 0C034664 */  jal   osCreateViManager
-/* 079FAC 800793AC 240400FE */   li    $a0, 254
-/* 079FB0 800793B0 0011C080 */  sll   $t8, $s1, 2
-/* 079FB4 800793B4 0311C021 */  addu  $t8, $t8, $s1
-/* 079FB8 800793B8 3C19800E */  lui   $t9, %hi(D_800E3900) # $t9, 0x800e
-/* 079FBC 800793BC 27393900 */  addiu $t9, %lo(D_800E3900) # addiu $t9, $t9, 0x3900
-/* 079FC0 800793C0 0018C100 */  sll   $t8, $t8, 4
-/* 079FC4 800793C4 0C034728 */  jal   func_800D1CA0
-/* 079FC8 800793C8 03192021 */   addu  $a0, $t8, $t9
-/* 079FCC 800793CC 0C034744 */  jal   osViBlack
-/* 079FD0 800793D0 24040001 */   li    $a0, 1
-/* 079FD4 800793D4 26110040 */  addiu $s1, $s0, 0x40
-/* 079FD8 800793D8 02202025 */  move  $a0, $s1
-/* 079FDC 800793DC 26050058 */  addiu $a1, $s0, 0x58
-/* 079FE0 800793E0 0C032208 */  jal   osCreateMesgQueue
-/* 079FE4 800793E4 24060008 */   li    $a2, 8
-/* 079FE8 800793E8 26040078 */  addiu $a0, $s0, 0x78
-/* 079FEC 800793EC 26050090 */  addiu $a1, $s0, 0x90
-/* 079FF0 800793F0 0C032208 */  jal   osCreateMesgQueue
-/* 079FF4 800793F4 24060008 */   li    $a2, 8
-/* 079FF8 800793F8 24040004 */  li    $a0, 4
-/* 079FFC 800793FC 02202825 */  move  $a1, $s1
-/* 07A000 80079400 0C0332EC */  jal   osSetEventMesg
-/* 07A004 80079404 2406029B */   li    $a2, 667
-/* 07A008 80079408 24040009 */  li    $a0, 9
-/* 07A00C 8007940C 02202825 */  move  $a1, $s1
-/* 07A010 80079410 0C0332EC */  jal   osSetEventMesg
-/* 07A014 80079414 2406029C */   li    $a2, 668
-/* 07A018 80079418 2404000E */  li    $a0, 14
-/* 07A01C 8007941C 02202825 */  move  $a1, $s1
-/* 07A020 80079420 0C0332EC */  jal   osSetEventMesg
-/* 07A024 80079424 2406029D */   li    $a2, 669
-/* 07A028 80079428 93A6003B */  lbu   $a2, 0x3b($sp)
-/* 07A02C 8007942C 02202025 */  move  $a0, $s1
-/* 07A030 80079430 0C034760 */  jal   osViSetEventMsg
-/* 07A034 80079434 2405029A */   li    $a1, 666
-/* 07A038 80079438 8FA8002C */  lw    $t0, 0x2c($sp)
-/* 07A03C 8007943C 8FA90030 */  lw    $t1, 0x30($sp)
-/* 07A040 80079440 261100B0 */  addiu $s1, $s0, 0xb0
-/* 07A044 80079444 3C068008 */  lui   $a2, %hi(D_800795AC) # $a2, 0x8008
-/* 07A048 80079448 24C695AC */  addiu $a2, %lo(D_800795AC) # addiu $a2, $a2, -0x6a54
-/* 07A04C 8007944C 02202025 */  move  $a0, $s1
-/* 07A050 80079450 24050005 */  li    $a1, 5
-/* 07A054 80079454 02003825 */  move  $a3, $s0
-/* 07A058 80079458 AFA80010 */  sw    $t0, 0x10($sp)
-/* 07A05C 8007945C 0C032214 */  jal   osCreateThread
-/* 07A060 80079460 AFA90014 */   sw    $t1, 0x14($sp)
-/* 07A064 80079464 0C032268 */  jal   osStartThread
-/* 07A068 80079468 02202025 */   move  $a0, $s1
-/* 07A06C 8007946C 8FBF0024 */  lw    $ra, 0x24($sp)
-/* 07A070 80079470 8FB0001C */  lw    $s0, 0x1c($sp)
-/* 07A074 80079474 8FB10020 */  lw    $s1, 0x20($sp)
-/* 07A078 80079478 03E00008 */  jr    $ra
-/* 07A07C 8007947C 27BD0028 */   addiu $sp, $sp, 0x28
-
diff --git a/asm/non_matchings/unknown_07AF10/func_8007A550.s b/asm/non_matchings/unknown_07AF10/func_8007A550.s
index befc96bf..318983e8 100644
--- a/asm/non_matchings/unknown_07AF10/func_8007A550.s
+++ b/asm/non_matchings/unknown_07AF10/func_8007A550.s
@@ -29,7 +29,7 @@ glabel func_8007A550
 /* 07B1B4 8007A5B4 3C19800E */  lui   $t9, %hi(D_800E3900) # $t9, 0x800e
 /* 07B1B8 8007A5B8 27393900 */  addiu $t9, %lo(D_800E3900) # addiu $t9, $t9, 0x3900
 /* 07B1BC 8007A5BC 0018C100 */  sll   $t8, $t8, 4
-/* 07B1C0 8007A5C0 0C034728 */  jal   func_800D1CA0
+/* 07B1C0 8007A5C0 0C034728 */  jal   osViSetMode
 /* 07B1C4 8007A5C4 03192021 */   addu  $a0, $t8, $t9
 /* 07B1C8 8007A5C8 1000007D */  b     .L8007A7C0
 /* 07B1CC 8007A5CC 00000000 */   nop   
@@ -66,7 +66,7 @@ glabel func_8007A550
 /* 07B240 8007A640 ACAE0030 */  sw    $t6, 0x30($a1)
 /* 07B244 8007A644 ACB80044 */  sw    $t8, 0x44($a1)
 .L8007A648:
-/* 07B248 8007A648 0C034728 */  jal   func_800D1CA0
+/* 07B248 8007A648 0C034728 */  jal   osViSetMode
 /* 07B24C 8007A64C 00A02025 */   move  $a0, $a1
 /* 07B250 8007A650 1000005B */  b     .L8007A7C0
 /* 07B254 8007A654 00000000 */   nop   
@@ -94,7 +94,7 @@ glabel func_8007A550
 /* 07B2A4 8007A6A4 AC990008 */  sw    $t9, 8($a0)
 /* 07B2A8 8007A6A8 AC880020 */  sw    $t0, 0x20($a0)
 /* 07B2AC 8007A6AC AC820028 */  sw    $v0, 0x28($a0)
-/* 07B2B0 8007A6B0 0C034728 */  jal   func_800D1CA0
+/* 07B2B0 8007A6B0 0C034728 */  jal   osViSetMode
 /* 07B2B4 8007A6B4 AC82003C */   sw    $v0, 0x3c($a0)
 /* 07B2B8 8007A6B8 10000041 */  b     .L8007A7C0
 /* 07B2BC 8007A6BC 00000000 */   nop   
@@ -122,7 +122,7 @@ glabel func_8007A550
 /* 07B30C 8007A70C AC890008 */  sw    $t1, 8($a0)
 /* 07B310 8007A710 AC8A0020 */  sw    $t2, 0x20($a0)
 /* 07B314 8007A714 AC820028 */  sw    $v0, 0x28($a0)
-/* 07B318 8007A718 0C034728 */  jal   func_800D1CA0
+/* 07B318 8007A718 0C034728 */  jal   osViSetMode
 /* 07B31C 8007A71C AC82003C */   sw    $v0, 0x3c($a0)
 /* 07B320 8007A720 10000027 */  b     .L8007A7C0
 /* 07B324 8007A724 00000000 */   nop   
@@ -132,7 +132,7 @@ glabel func_8007A550
 /* 07B334 8007A734 3C0D800E */  lui   $t5, %hi(D_800E3900) # $t5, 0x800e
 /* 07B338 8007A738 25AD3900 */  addiu $t5, %lo(D_800E3900) # addiu $t5, $t5, 0x3900
 /* 07B33C 8007A73C 256C0280 */  addiu $t4, $t3, 0x280
-/* 07B340 8007A740 0C034728 */  jal   func_800D1CA0
+/* 07B340 8007A740 0C034728 */  jal   osViSetMode
 /* 07B344 8007A744 018D2021 */   addu  $a0, $t4, $t5
 /* 07B348 8007A748 1000001D */  b     .L8007A7C0
 /* 07B34C 8007A74C 00000000 */   nop   
@@ -142,7 +142,7 @@ glabel func_8007A550
 /* 07B35C 8007A75C 3C18800E */  lui   $t8, %hi(D_800E3900) # $t8, 0x800e
 /* 07B360 8007A760 27183900 */  addiu $t8, %lo(D_800E3900) # addiu $t8, $t8, 0x3900
 /* 07B364 8007A764 25CF0320 */  addiu $t7, $t6, 0x320
-/* 07B368 8007A768 0C034728 */  jal   func_800D1CA0
+/* 07B368 8007A768 0C034728 */  jal   osViSetMode
 /* 07B36C 8007A76C 01F82021 */   addu  $a0, $t7, $t8
 /* 07B370 8007A770 10000013 */  b     .L8007A7C0
 /* 07B374 8007A774 00000000 */   nop   
@@ -152,7 +152,7 @@ glabel func_8007A550
 /* 07B384 8007A784 3C09800E */  lui   $t1, %hi(D_800E3900) # $t1, 0x800e
 /* 07B388 8007A788 25293900 */  addiu $t1, %lo(D_800E3900) # addiu $t1, $t1, 0x3900
 /* 07B38C 8007A78C 272802D0 */  addiu $t0, $t9, 0x2d0
-/* 07B390 8007A790 0C034728 */  jal   func_800D1CA0
+/* 07B390 8007A790 0C034728 */  jal   osViSetMode
 /* 07B394 8007A794 01092021 */   addu  $a0, $t0, $t1
 /* 07B398 8007A798 10000009 */  b     .L8007A7C0
 /* 07B39C 8007A79C 00000000 */   nop   
@@ -162,7 +162,7 @@ glabel func_8007A550
 /* 07B3AC 8007A7AC 3C0C800E */  lui   $t4, %hi(D_800E3900) # $t4, 0x800e
 /* 07B3B0 8007A7B0 258C3900 */  addiu $t4, %lo(D_800E3900) # addiu $t4, $t4, 0x3900
 /* 07B3B4 8007A7B4 254B0370 */  addiu $t3, $t2, 0x370
-/* 07B3B8 8007A7B8 0C034728 */  jal   func_800D1CA0
+/* 07B3B8 8007A7B8 0C034728 */  jal   osViSetMode
 /* 07B3BC 8007A7BC 016C2021 */   addu  $a0, $t3, $t4
 .L8007A7C0:
 /* 07B3C0 8007A7C0 0C034898 */  jal   osViSetSpecialFeatures
diff --git a/lib/asm/non_matchings/unknown_0D28A0/func_800D1CA0.s b/lib/asm/non_matchings/unknown_0D28A0/osViSetMode.s
similarity index 98%
rename from lib/asm/non_matchings/unknown_0D28A0/func_800D1CA0.s
rename to lib/asm/non_matchings/unknown_0D28A0/osViSetMode.s
index b0c9e81f..dbafd106 100644
--- a/lib/asm/non_matchings/unknown_0D28A0/func_800D1CA0.s
+++ b/lib/asm/non_matchings/unknown_0D28A0/osViSetMode.s
@@ -1,4 +1,4 @@
-glabel func_800D1CA0
+glabel osViSetMode
 /* 0D28A0 800D1CA0 27BDFFD8 */  addiu $sp, $sp, -0x28
 /* 0D28A4 800D1CA4 AFBF001C */  sw    $ra, 0x1c($sp)
 /* 0D28A8 800D1CA8 AFA40028 */  sw    $a0, 0x28($sp)
diff --git a/lib/src/unknown_0D28A0.c b/lib/src/unknown_0D28A0.c
index 1376a235..2a38ff5d 100644
--- a/lib/src/unknown_0D28A0.c
+++ b/lib/src/unknown_0D28A0.c
@@ -4,4 +4,4 @@
 #include "types.h"
 #include "macros.h"
 
-GLOBAL_ASM("lib/asm/non_matchings/unknown_0D28A0/func_800D1CA0.s")
+GLOBAL_ASM("lib/asm/non_matchings/unknown_0D28A0/osViSetMode.s")
diff --git a/src/unknown_066AA0.c b/src/unknown_066AA0.c
index 81f4f63f..aea36d85 100644
--- a/src/unknown_066AA0.c
+++ b/src/unknown_066AA0.c
@@ -1436,7 +1436,7 @@ extern u8 D_80123538;
 extern s32 D_80123544;
 extern s32 D_801234E8;
 
-void func_80079350(u16*, s32*, s32, u8, s32);
+void osCreateScheduler(u16*, s32*, s32, u8, s32);
 void func_80079480(u16*, u8*, s32**, s32);
 
 void func_8006C3E0(void) {
@@ -1459,7 +1459,7 @@ void func_8006C3E0(void) {
         sp24 = 0x1C;
     }
     
-    func_80079350(&D_80121260, &D_801234E8, 0xD, sp24, 1);
+    osCreateScheduler(&D_80121260, &D_801234E8, 0xD, sp24, 1);
     D_800DD3A0 = 0;
     if (func_8006EFB8() == 0) {
         D_800DD3A0 = 1;
diff --git a/src/unknown_079F50.c b/src/unknown_079F50.c
index 3583a059..466fdf06 100644
--- a/src/unknown_079F50.c
+++ b/src/unknown_079F50.c
@@ -3,12 +3,110 @@
 
 #include "types.h"
 #include "macros.h"
+#include "libultra_internal.h"
+
+#if 0
+GLOBAL_ASM("asm/non_matchings/unknown_079F50/osCreateScheduler.s")
+#else
+#define OS_SC_RETRACE_MSG       1
+#define OS_SC_PRE_NMI_MSG       4
+#define OS_SC_MAX_MESGS         8
+
+typedef struct {
+    short type;
+    char  misc[30];
+} OSScMsg;
+
+typedef struct OSScTask_s {
+    struct OSScTask_s   *next;          /* note: this must be first */
+    u32                 state;
+    u32			flags;
+    void		*framebuffer;	/* used by graphics tasks */
+
+    OSTask              list;
+    OSMesgQueue         *msgQ;
+    OSMesg              msg;
+#ifndef _FINALROM                       /* all #ifdef items should    */
+    OSTime              startTime;      /* remain at the end!!, or    */
+    OSTime              totalTime;      /* possible conflict if       */
+#endif                                  /* FINALROM library used with */
+} OSScTask;                             /* non FINALROM code          */
+
+
+typedef struct SCClient_s {
+    struct SCClient_s   *next;  /* next client in the list      */
+    OSMesgQueue         *msgQ;  /* where to send the frame msg  */
+} OSScClient;
+
+typedef struct {
+    OSScMsg     retraceMsg;
+    OSScMsg     prenmiMsg;
+    OSMesgQueue interruptQ;
+    OSMesg      intBuf[OS_SC_MAX_MESGS];
+    OSMesgQueue cmdQ;
+    OSMesg      cmdMsgBuf[OS_SC_MAX_MESGS];
+    OSThread    thread;
+    OSScClient  *clientList;
+    OSScTask    *audioListHead;
+    OSScTask    *gfxListHead;
+    OSScTask    *audioListTail;
+    OSScTask    *gfxListTail;
+    OSScTask    *curRSPTask;
+    OSScTask    *curRDPTask;
+    u32         frameCount;
+    s32         doAudio;
+} OSSched;
+
+typedef struct{
+    u8 pad00[0x50];
+}unk800E3900;
+
+extern OSViMode D_800E3900[];//osViModeTable;
+
+void __scMain(void);
+
+void osCreateScheduler(OSSched *sc, void *stack, OSPri priority, u8 mode, u8 numFields){
+    sc->curRSPTask      = 0;
+    sc->curRDPTask      = 0;
+    sc->clientList      = 0;
+    
+    sc->audioListHead   = 0;
+    sc->gfxListHead     = 0;
+    sc->audioListTail   = 0;
+    sc->gfxListTail     = 0;
+    sc->doAudio         = 0;
+    sc->frameCount      = 0;
+    sc->retraceMsg.type = OS_SC_RETRACE_MSG;  /* sent to apps */
+    sc->prenmiMsg.type  = OS_SC_PRE_NMI_MSG;
+    
+
+
+    /*
+     * Set up video manager, listen for Video, RSP, and RDP interrupts
+     */
+    osCreateViManager(OS_PRIORITY_VIMGR);    
+    osViSetMode(&D_800E3900[mode]);
+    osViBlack(TRUE);
+
+    osCreateMesgQueue(&sc->interruptQ, sc->intBuf, OS_SC_MAX_MESGS);
+    osCreateMesgQueue(&sc->cmdQ, sc->cmdMsgBuf, OS_SC_MAX_MESGS);
+    
+    osSetEventMesg(OS_EVENT_SP, &sc->interruptQ, (OSMesg)667);
+    osSetEventMesg(OS_EVENT_DP, &sc->interruptQ, (OSMesg)668);    
+    osSetEventMesg(OS_EVENT_PRENMI, &sc->interruptQ, (OSMesg)669);    
+
+    osViSetEventMsg(&sc->interruptQ, (OSMesg)666, numFields);    
+
+
+    osCreateThread(&sc->thread, 5, __scMain, (void *)sc, stack, priority);
+    osStartThread(&sc->thread);
+}
+#endif
 
-GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079350.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079480.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079574.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_8007957C.s")
-GLOBAL_ASM("asm/non_matchings/unknown_079F50/D_800795AC.s")
+GLOBAL_ASM("asm/non_matchings/unknown_079F50/__scMain.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079760.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079818.s")
 GLOBAL_ASM("asm/non_matchings/unknown_079F50/func_80079B44.s")
diff --git a/undefined_syms.txt b/undefined_syms.txt
index 842860ec..81e1aa7c 100755
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -42,7 +42,7 @@ alAuxBusParam = 0x800659D4;
 D_80065D40 = 0x80065D40;
 D_80065D98 = 0x80065D98;
 D_8006C330 = 0x8006C330;
-D_800795AC = 0x800795AC;
+__scMain = 0x800795AC;
 D_8008F618 = 0x8008F618;
 D_800B6FC4 = 0x800B6FC4;
 func_800C7340 = 0x800C7340;