diff --git a/src/800.c b/src/800.c
index f3cba8812..6fd1cf834 100644
--- a/src/800.c
+++ b/src/800.c
@@ -10134,7 +10134,122 @@ INCLUDE_ASM("asm/nonmatchings/800", func_800268D0);
 
 INCLUDE_ASM("asm/nonmatchings/800", func_80026D64);
 
-INCLUDE_ASM("asm/nonmatchings/800", func_80027058);
+extern s32 D_800A2B78;
+
+void func_80027058()
+{
+    __asm__ __volatile__(
+        ".set\tnoreorder\n"
+        "addiu  $29, $29, -8\n"
+        "lw     $11, 24($29)\n"
+        "lw     $15, 28($29)\n"
+        "lw     $14, 32($29)\n"
+        "beqz   $11, 100f\n"
+        "addu   $2, $7, $0\n"
+        "addiu  $13, $29, 4\n"
+        "lui    $10, 0xFF\n"
+        "ori    $10, $10, 0xFFFF\n"
+        "addiu  $9, $4, 4\n"
+        "addiu  $8, $7, 4\n"
+        "98:\n"
+        "lhu    $4, 6($9)\n"
+        "lhu    $3, 8($9)\n"
+        "lhu    $2, 10($9)\n"
+        "sll    $4, $4, 3\n"
+        "addu   $4, $5, $4\n"
+        "sll    $3, $3, 3\n"
+        "addu   $3, $5, $3\n"
+        "sll    $2, $2, 3\n"
+        "addu   $2, $5, $2\n"
+        "lwc2   $0, 0($4)\n"
+        "lwc2   $1, 4($4)\n"
+        "lwc2   $2, 0($3)\n"
+        "lwc2   $3, 4($3)\n"
+        "lwc2   $4, 0($2)\n"
+        "lwc2   $5, 4($2)\n"
+        "nop\n"
+        "nop\n"
+        "rtpt\n"
+        "cfc2   $12, $31\n"
+        "nop\n"
+        "sw     $12, 0($29)\n"
+        "lw     $2, 0($29)\n"
+        "addiu  $3, $0, -4097\n"
+        "and    $2, $2, $3\n"
+        "bnez   $2, 99f\n"
+        "nop\n"
+        "nop\n"
+        "nop\n"
+        "nclip\n"
+        "swc2   $24, 0($13)\n"
+        "lw     $2, 4($29)\n"
+        "nop\n"
+        "blez   $2, 99f\n"
+        "nop\n"
+        "swc2   $12, 8($7)\n"
+        "swc2   $13, 12($7)\n"
+        "swc2   $14, 16($7)\n"
+        "nop\n"
+        "nop\n"
+        "avsz3\n"
+        "swc2   $7, 0($13)\n"
+        "lw     $2, 0($9)\n"
+        "nop\n"
+        "sw     $2, 0($8)\n"
+        "lw     $2, 4($29)\n"
+        "addiu  $8, $8, 20\n"
+        "srav   $2, $2, $15\n"
+        "sll    $2, $2, 2\n"
+        "addu   $6, $14, $2\n"
+        "lw     $3, 0($6)\n"
+        "lui    $2, 0x400\n"
+        "and    $3, $3, $10\n"
+        "or     $3, $3, $2\n"
+        "and    $2, $7, $10\n"
+        "sw     $3, 0($7)\n"
+        "sw     $2, 0($6)\n"
+        "lui    $2, %hi(D_800A2B78)\n"
+        "lw     $2, %lo(D_800A2B78)($2)\n"
+        "nop\n"
+        "beqz   $2, 99f\n"
+        "addiu  $7, $7, 20\n"
+        "lbu    $2, -17($8)\n"
+        "nop\n"
+        "andi   $2, $2, 0x2\n"
+        "beqz   $2, 99f\n"
+        "lui    $4, 0xE100\n"
+        "ori    $4, $4, 0xA\n"
+        "lw     $3, 4($29)\n"
+        "addiu  $2, $0, 1\n"
+        "sb     $2, -1($8)\n"
+        "lui    $2, %hi(D_800A2B78)\n"
+        "lw     $2, %lo(D_800A2B78)($2)\n"
+        "srav   $3, $3, $15\n"
+        "sll    $3, $3, 2\n"
+        "addu   $6, $14, $3\n"
+        "andi   $2, $2, 0x3\n"
+        "sll    $2, $2, 5\n"
+        "or     $2, $2, $4\n"
+        "sw     $2, 0($8)\n"
+        "addiu  $8, $8, 8\n"
+        "lw     $3, 0($6)\n"
+        "lui    $2, 0x100\n"
+        "and    $3, $3, $10\n"
+        "or     $3, $3, $2\n"
+        "and    $2, $7, $10\n"
+        "sw     $3, 0($7)\n"
+        "addiu  $7, $7, 8\n"
+        "sw     $2, 0($6)\n"
+        "99:\n"
+        "addiu  $11, $11, -1\n"
+        "bnez   $11, 98b\n"
+        "addiu  $9, $9, 16\n"
+        "addu   $2, $7, $0\n"
+        "100:\n"
+        "addiu  $29, $29, 8\n"
+        ".set\treorder\n"
+    );
+}
 
 
 /* func_80027200 — HANDWRITTEN assembly (splat marks it "Handwritten function").