diff --git a/asm/code_8009804.s b/asm/code_8009804.s
index c5d1061ae..0d9b13a6c 100644
--- a/asm/code_8009804.s
+++ b/asm/code_8009804.s
@@ -5,59 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8009A1C
-sub_8009A1C:
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	ldr r0, _08009A30
-	str r3, [r0]
-	ldr r3, [r6, 0xC]
-	movs r0, 0xC0
-	lsls r0, 19
-	adds r2, r0
-	movs r5, 0
-	b _08009A56
-	.align 2, 0
-_08009A30: .4byte gUnknown_202D2A0
-_08009A34:
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	ldm r3!, {r0}
-	stm r2!, {r0}
-	adds r5, 0x1
-_08009A56:
-	ldr r0, [r6, 0x8]
-	cmp r5, r0
-	ble _08009A34
-	movs r5, 0
-	lsls r4, r1, 6
-_08009A60:
-	adds r0, r5, 0
-	adds r0, 0xE0
-	ldr r1, [r6, 0x10]
-	adds r1, r4
-	bl SetBGPaletteBufferColorArray
-	adds r4, 0x4
-	adds r5, 0x1
-	cmp r5, 0xF
-	ble _08009A60
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8009A1C
-
 	thumb_func_start sub_8009A7C
 sub_8009A7C:
 	push {r4-r7,lr}
diff --git a/src/code_8009804.c b/src/code_8009804.c
index 344989031..92fb68549 100644
--- a/src/code_8009804.c
+++ b/src/code_8009804.c
@@ -11,10 +11,29 @@ extern const struct FileArchive gSystemFileArchive; // 8300500
 extern Palette32 gFontPalette[8];
 extern u8 gUnknown_202D238[4];
 extern s32 gUnknown_202D23C;
+extern u32 gUnknown_202D2A0;
 extern struct unkStruct_202D240 gUnknown_202D240[8];
 
-// code_8009804.s
-extern void sub_8009A1C(u32);
+typedef struct Palette256
+{
+    RGB pal[256];
+} Palette256;
+
+struct unkStruct_8009A1C
+{
+    u8 fill0[0x8];
+    s32 unk8;
+    u32 *unkC;
+    Palette256 *unk10;
+};
+
+struct unkStruct_8009A1C_ptr
+{
+    u8 fill0;
+    struct unkStruct_8009A1C *ptr;
+};
+
+void sub_8009A1C(struct unkStruct_8009A1C *r0, u32 palId, u32 vramDstOffset, u32 r3);
 
 void InitFontPalette(void)
 {
@@ -134,7 +153,32 @@ void SetFontsBaseColor(RGB a0)
         gFontPalette[i].pal[1] = a0;
 }
 
-UNUSED static void sub_8009A10(u32 *a0)
+UNUSED static void sub_8009A10(struct unkStruct_8009A1C_ptr *a0, u32 palId, u32 vramDstOffset, u32 r3)
 {
-    sub_8009A1C(a0[1]);
+    sub_8009A1C(a0->ptr, palId, vramDstOffset, r3);
+}
+
+void sub_8009A1C(struct unkStruct_8009A1C *r0, u32 palId, u32 vramDstOffset, u32 r3)
+{
+    s32 i;
+    u32 *dst, *src;
+
+    gUnknown_202D2A0 = r3;
+    src = r0->unkC;
+    dst = (void *)(VRAM) + vramDstOffset;
+
+    for (i = 0; i <= r0->unk8; i++) {
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+        *dst++ = *src++;
+    }
+
+    for (i = 0; i < 16; i++) {
+        SetBGPaletteBufferColorArray(i + 0xE0, &r0->unk10->pal[i + palId * 16]);
+    }
 }