diff --git a/decompressed.pal.yaml b/decompressed.pal.yaml
index 373ee784..ef8438e8 100644
--- a/decompressed.pal.yaml
+++ b/decompressed.pal.yaml
@@ -174,7 +174,7 @@ segments:
   - [0xF50360, c, code_13990]   
   - [0xF51FC0, hasm, code_155F0]
   - [0xF52000, c, overlay]
-  - [0xF52140, c, code_15770]
+  - [0xF52140, c, depthbuffer]
   - [0xF52500, c, code_15B30]
   - [0xF53420, c, memory]
   - [0xF54AE0, c, eeprom]
@@ -186,7 +186,7 @@ segments:
   - [0xF59F90, hasm, code_1D5C0]
   - [0xF59FA0, c, code_1D5D0]
   - [0xF5AD30, c, sns]
-  - [0xF5B0B0, c, code_1E6E0]
+  - [0xF5B0B0, c, crccalc]
   - [0xF5B1F0, hasm, code_1E820]
   - [0xF5B290, c, audio/n_sl]
   - [0xF5B320, c, audio/n_synthesizer]
@@ -473,7 +473,7 @@ segments:
   - [0xF791D0, .bss, stub_13640]
   - [0xF791D0, .bss, overlaymanager]
   - [0xF791D0, .bss, code_13990]
-  - [0xF791D0, .bss, code_15770]
+  - [0xF791D0, .bss, depthbuffer]
   - [0xF791D0, .bss, code_15B30]
   - [0xF791D0, .bss, memory]
   - [0xF791D0, .bss, ucode]
diff --git a/decompressed.us.v10.yaml b/decompressed.us.v10.yaml
index 9c639723..5a256542 100644
--- a/decompressed.us.v10.yaml
+++ b/decompressed.us.v10.yaml
@@ -175,7 +175,7 @@ segments:
   - [0xF2CBE0, c, code_13990]   
   - [0xF2E840, hasm, code_155F0]              #DONE
   - [0xF2E880, c, overlay]                 #DONE
-  - [0xF2E9C0, c, code_15770]                 #DONE
+  - [0xF2E9C0, c, depthbuffer]                 #DONE
   - [0xF2ED80, c, code_15B30]                 #DONE
   - [0xF2FCA0, c, memory]                     #DONE
   - [0xF31360, c, eeprom]                 #DONE
@@ -187,7 +187,7 @@ segments:
   - [0xF36810, hasm, code_1D5C0]              #DONE
   - [0xF36820, c, code_1D5D0]                 #DONE
   - [0xF375B0, c, sns]                 #DONE
-  - [0xF37930, c, code_1E6E0]                 #DONE
+  - [0xF37930, c, crccalc]                 #DONE
   - [0xF37A70, hasm, code_1E820]              #DONE
   - [0xF37B10, c, audio/n_sl]                 #DONE
   - [0xF37BA0, c, audio/n_synthesizer]        #DONE
@@ -474,7 +474,7 @@ segments:
   - [0xF55960, .bss, stub_13640]
   - [0xF55960, .bss, overlaymanager]
   - [0xF55960, .bss, code_13990]
-  - [0xF55960, .bss, code_15770]
+  - [0xF55960, .bss, depthbuffer]
   - [0xF55960, .bss, code_15B30]
   - [0xF55960, .bss, memory]
   - [0xF55960, .bss, ucode]
diff --git a/include/core1/core1.h b/include/core1/core1.h
index cf986ab0..38d9928d 100644
--- a/include/core1/core1.h
+++ b/include/core1/core1.h
@@ -17,10 +17,10 @@
 
 void mlMtx_apply_vec3f(f32[3], f32[3]);
 void func_80252C08(f32 arg0[3], f32 arg1[3], f32 scale, f32 arg3[3]);
+void glcrc_calc_checksum(void *start, void *end, u32 checksum[2]);
 
 
-
-/* src/core1/code_15770.c */
+/* src/core1/depthbuffer.c */
 
 extern u8 D_8000E800;
 
diff --git a/include/functions.h b/include/functions.h
index bd049bff..124676da 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -504,7 +504,6 @@ void actor_update_func_80326224(Actor *this);
 void func_802F9FD0(s32, f32, f32, f32);
 void func_80324D54(f32, enum sfx_e, f32, s32, f32 [3], f32, f32);
 
-void glcrc_calc_checksum(void *start, void *end, u32 *checksum);
 f32 climbGetBottomY(void);
 f32 climbGetTopY(void);
 void func_802596AC(f32 a0[3], f32 a1[3], f32 a2[3], f32 a3[3]);
diff --git a/src/core1/code_1E6E0.c b/src/core1/crccalc.c
similarity index 75%
rename from src/core1/code_1E6E0.c
rename to src/core1/crccalc.c
index bad91e7d..1cd513ba 100644
--- a/src/core1/code_1E6E0.c
+++ b/src/core1/crccalc.c
@@ -1,45 +1,30 @@
 #include <ultra64.h>
 #include "core1/core1.h"
-#include "functions.h"
-#include "variables.h"
 
 // transform seed (in mips3 file)
-u32 func_8025C29C(u32 *seed);
+u32 func_8025C29C(u32 *seed); // TODO: This function does not exist in source code, why does it work?
 
-void glcrc_calc_checksum(void *start, void *end, u32 checksum[2])
-{
+void glcrc_calc_checksum(void *start, void *end, u32 checksum[2]) {
     u8 *p;
-
     u32 shift = 0;
-
     u64 seed = 0x8F809F473108B3C1;
-
     u32 crc1 = 0;
     u32 crc2 = 0;
-
     u32 tmp;
 
     // CRC1: Iterate forwards over bytes
-    for (p = start; (void *)p < end; p++)
-    {
+    for (p = start; (void *)p < end; p++) {
         seed += *p << (shift & 15);
-
         tmp = func_8025C29C(&seed);
-
         shift += 7;
-
         crc1 ^= tmp;
     }
 
     // CRC2: Iterate backwards over bytes
-    for (p = (u8 *)end - 1; (void *)p >= start; p--)
-    {
+    for (p = (u8 *)end - 1; (void *)p >= start; p--) {
         seed += *p << (shift & 15);
-
         tmp = func_8025C29C(&seed);
-
         shift += 3;
-
         crc2 ^= tmp;
     }
 
diff --git a/src/core1/code_15770.c b/src/core1/depthbuffer.c
similarity index 100%
rename from src/core1/code_15770.c
rename to src/core1/depthbuffer.c