diff --git a/config/dol_slices.yml b/config/dol_slices.yml
index d2965c47..bcb20644 100644
--- a/config/dol_slices.yml
+++ b/config/dol_slices.yml
@@ -4,3 +4,9 @@ libultra/gfxprint/gfxprint_locate8x8.c:
     .text: [0x8005B210, 0x8005B238]
 # libforest/ReconfigBATs.c:
     # .text: [0x8007C070, 0x8005ae84]
+# OS/OSEnableInterrupts.c: I'm too tired, but I did these and cba to fix atm stuff
+    # .text: [0x8007ac38, 0x8007ac4c]
+# OS/OSRestoreInterrupts.c:
+    # .text: [0x8007ac4c, 0x8007ac70]
+# OS/OSDisableInterrupts.c:
+    # .text: [0x8007ac24, 0x8007ac38]
\ No newline at end of file
diff --git a/include/JSystem/JUT/JUTAssertion.h b/include/JSystem/JUT/JUTAssertion.h
index 27a0336b..9a3f600a 100644
--- a/include/JSystem/JUT/JUTAssertion.h
+++ b/include/JSystem/JUT/JUTAssertion.h
@@ -1,6 +1,6 @@
 #ifndef _JSYSTEM_JUT_JUTASSERTION_H
 #define _JSYSTEM_JUT_JUTASSERTION_H
 
-void JC_JUTAssertion_changeDevice(u32); // I know these are C++ but these were used to match a c function so I'll fix these when I need them or fix zurumode update.
+void JC_JUTAssertion_changeDevice(u32); 
 
 #endif
diff --git a/include/dolphin/os.h b/include/dolphin/os.h
index 94577051..984f0d42 100644
--- a/include/dolphin/os.h
+++ b/include/dolphin/os.h
@@ -5,4 +5,8 @@
 
 void OSReport(const char*, ...);      
 
+asm BOOL OSDisableInterrupts(void);
+asm BOOL OSEnableInterrupts(void);
+asm BOOL OSRestoreInterrupts(BOOL level);
+
 #endif
\ No newline at end of file
diff --git a/include/libforest/batconfig.h b/include/libforest/batconfig.h
index e99ac766..874bec0d 100644
--- a/include/libforest/batconfig.h
+++ b/include/libforest/batconfig.h
@@ -3,5 +3,5 @@
 
 static asm void Config24MB();
 static asm void Config48MB();
-static asm void ReconfigBATs();
+void ReconfigBATs();
 #endif
\ No newline at end of file
diff --git a/include/libultra/gfxprint.h b/include/libultra/gfxprint.h
index dd75ac66..c8811b0f 100644
--- a/include/libultra/gfxprint.h
+++ b/include/libultra/gfxprint.h
@@ -2,19 +2,18 @@
 #define GFXPRINT_H
 
 #include "types.h"
-
 typedef struct gfxprint_obj  {
     s32 unk0;
-    struct unknown_struct * unk4;
+    struct unknown_struct * unk4; // This is from GBI.h, from what I've seen
     s16 NewX;
     s16 NewY;
     u16 PrevX;
     u8 PrevY;
-    u8 unkF;
+    u8 flags;
     u8 R;
-    u8 G;
-    u8 B;
-    u8 A; 
+	u8 B;
+	u8 G;
+	u8 A;
 };
 
 void gfxprint_locate(struct gfxprint_obj*, s32, s32); 
diff --git a/include/libultra/libultra.h b/include/libultra/libultra.h
index 0b8c3ad0..960e3cfc 100644
--- a/include/libultra/libultra.h
+++ b/include/libultra/libultra.h
@@ -5,6 +5,6 @@
 void bcmp (const void *v1, const void *v2, u32 size);
 void bcopy(const void *dst, void *src, size_t n);
 void bzero(void *ptr, size_t size);
-extern s32 osAppNMIBuffer[16]; //?? It's most likely an u8 with 64 instead of s32 of 16, so the function that uses this is probably a fakematch.
+extern s32 osAppNMIBuffer[15]; 
 
 #endif 
\ No newline at end of file
diff --git a/include/zurumode.h b/include/zurumode.h
index 2f9b1c16..c484b7e3 100644
--- a/include/zurumode.h
+++ b/include/zurumode.h
@@ -22,9 +22,6 @@ extern s32 zurumode_flag;
 
 #define OS_APP_NMI_ZURUMODE_IDX 15
 
-#define FALSE 0
-#define TRUE 1
-
 
 #define BUTTON_NONE 0x0000
 #define BUTTON_CRIGHT 0x0001
diff --git a/rel/zurumode/zurumode_cleanup.c b/rel/zurumode/zurumode_cleanup.c
index 58bfd0e2..2d1f222f 100644
--- a/rel/zurumode/zurumode_cleanup.c
+++ b/rel/zurumode/zurumode_cleanup.c
@@ -10,9 +10,8 @@ typedef struct {
 
 extern padmgr padmgr_class;
 extern void zurumode_callback(void*);
-extern s32 zurumode_flag;
 
-extern void zurumode_cleanup(void) {
+extern void zurumode_cleanup(void) { // Hm, this looks like PADMGR_UNSET_RETRACE_CALLBACK macro lol
     if ((padmgr_class.callback2 == &zurumode_callback) && (padmgr_class.callback2_param == &padmgr_class)) {
         padmgr_class.callback2 = NULL;
         padmgr_class.callback2_param = NULL;
diff --git a/src/OS/OSDisableInterrupts.c b/src/OS/OSDisableInterrupts.c
new file mode 100644
index 00000000..8d1044f0
--- /dev/null
+++ b/src/OS/OSDisableInterrupts.c
@@ -0,0 +1,12 @@
+#include "dolphin/os.h"
+
+asm BOOL OSDisableInterrupts(void){
+
+    nofralloc
+
+    mfmsr r3
+    rlwinm r4, r3, 0, 17, 15
+    mtmsr r4
+    rlwinm r3, r3, 17, 31, 31
+    blr
+}
\ No newline at end of file
diff --git a/src/OS/OSEnableInterrupts.c b/src/OS/OSEnableInterrupts.c
new file mode 100644
index 00000000..4abb7ba7
--- /dev/null
+++ b/src/OS/OSEnableInterrupts.c
@@ -0,0 +1,11 @@
+#include "dolphin/os.h"
+
+asm BOOL OSEnableInterrupts(void){
+
+nofralloc
+/* 8007AC38 7C6000A6 */ mfmsr       r3
+/* 8007AC3C 60648000 */ ori         r4, r3, 0x8000
+/* 8007AC40 7C800124 */ mtmsr       r4
+/* 8007AC44 54638FFE */ rlwinm      r3, r3, 0x11, 0x1f, 0x1f
+/* 8007AC48 4E800020 */ blr   
+}
\ No newline at end of file
diff --git a/src/OS/OSRestoreInterrupts.c b/src/OS/OSRestoreInterrupts.c
new file mode 100644
index 00000000..de96be1c
--- /dev/null
+++ b/src/OS/OSRestoreInterrupts.c
@@ -0,0 +1,17 @@
+#include "dolphin/os.h"
+
+asm BOOL OSRestoreInterrupts(register BOOL level){
+
+nofralloc
+/* 8007AC4C 2C030000 */ cmpwi       level, 0x0
+/* 8007AC50 7C8000A6 */ mfmsr       r4
+/* 8007AC54 4182000C */ beq-        lbl_8007ac60
+/* 8007AC58 60858000 */ ori         r5, r4, 0x8000
+/* 8007AC5C 48000008 */ b           lbl_8007ac64
+lbl_8007ac60:
+/* 8007AC60 5485045E */ rlwinm      r5, r4, 0, 0x11, 0xf
+lbl_8007ac64:
+/* 8007AC64 7CA00124 */ mtmsr       r5
+/* 8007AC68 54838FFE */ rlwinm      r3, r4, 0x11, 0x1f, 0x1f
+/* 8007AC6C 4E800020 */ blr         
+}
\ No newline at end of file
diff --git a/src/libforest/ReconfigBATs.c b/src/libforest/ReconfigBATs.c
index 1b908feb..3e4606d7 100644
--- a/src/libforest/ReconfigBATs.c
+++ b/src/libforest/ReconfigBATs.c
@@ -1,4 +1,5 @@
 #include "libforest/batconfig.h"
+#include "dolphin/os.h"
 // Different to the OS ones.
 // Not fully Decompiled, need ReconfigBATs func, however there's os stuff that needs to be known.
 static asm void Config24MB(){
@@ -31,7 +32,7 @@ nofralloc
 /* 8005AE10 4C00012C */ isync       
 /* 8005AE14 4E800020 */ blr         
 }
-static void Config48MB(){
+static asm void Config48MB(){
 nofralloc
 /* 8005AE18 7C6000A6 */ mfmsr       r3
 /* 8005AE1C 54630734 */ rlwinm      r3, r3, 0, 0x1c, 0x1a
@@ -61,28 +62,15 @@ nofralloc
 /* 8005AE7C 4C00012C */ isync       
 /* 8005AE80 4E800020 */ blr
 }
-static void ReconfigBATs(){
-nofralloc
-/* 8005AE84 9421FFF0 */ stwu        r1, -0x10(r1)
-/* 8005AE88 7C0802A6 */ mflr        r0
-/* 8005AE8C 90010014 */ stw         r0, 0x14(r1)
-/* 8005AE90 93E1000C */ stw         r31, 0xc(r1)
-/* 8005AE94 4801FD91 */ bl          func_8007ac24
-/* 8005AE98 7C7F1B78 */ mr          r31, r3
-/* 8005AE9C 4802105D */ bl          func_8007bef8
-/* 8005AEA0 3C000180 */ lis         r0, 0x180
-/* 8005AEA4 7C030040 */ cmplw       r3, r0
-/* 8005AEA8 4181000C */ bgt-        lbl_8005aeb4
-/* 8005AEAC 4BFFFF01 */ bl          func_8005adac
-/* 8005AEB0 48000008 */ b           lbl_8005aeb8
-lbl_8005aeb4:
-/* 8005AEB4 4BFFFF65 */ bl          func_8005ae18
-lbl_8005aeb8:
-/* 8005AEB8 7FE3FB78 */ mr          r3, r31
-/* 8005AEBC 4801FD91 */ bl          func_8007ac4c
-/* 8005AEC0 80010014 */ lwz         r0, 0x14(r1)
-/* 8005AEC4 83E1000C */ lwz         r31, 0xc(r1)
-/* 8005AEC8 7C0803A6 */ mtlr        r0
-/* 8005AECC 38210010 */ addi        r1, r1, 0x10
-/* 8005AED0 4E800020 */ blr         
+void ReconfigBATs(){
+	
+BOOL restore = OSDisableInterrupts();
+
+if (OSGetSimulatedMemorySize() <= 0x1800000) {
+	Config24MB();
+	else{
+	Config48MB();
+	}
 }
+	OSRestoreInterrupts(restore);
+}
\ No newline at end of file