diff --git a/decompiler/config/jak2/type_casts.jsonc b/decompiler/config/jak2/type_casts.jsonc
index 0ec67d9dd..b66e9ff3d 100644
--- a/decompiler/config/jak2/type_casts.jsonc
+++ b/decompiler/config/jak2/type_casts.jsonc
@@ -9828,9 +9828,7 @@
   ],
   "(event idle turbo-ring)": [[4, "s5", "vehicle"]],
   "(anon-function 2 errol-chal)": [[17, "v1", "process-drawable"]],
-  "generic-add-constants": [
-    [[3, 17], "a0", "dma-packet"]
-  ],
+  "generic-add-constants": [[[3, 17], "a0", "dma-packet"]],
   "generic-init-buf": [
     [[8, 15], "a0", "dma-packet"],
     [[17, 24], "a0", "gs-gif-tag"],
@@ -9839,7 +9837,9 @@
     [[36, 44], "a0", "dma-packet"],
     [[47, 57], "v1", "(pointer uint32)"]
   ],
-  "generic-vu1-init-buf": [
-    [[24, 32], "v1", "dma-packet"]
+  "generic-vu1-init-buf": [[[24, 32], "v1", "dma-packet"]],
+  "(method 11 drill-wall)": [
+    [159, "v0", "(pointer actor-group)"],
+    ["_stack_", 16, "res-tag"]
   ]
 }
diff --git a/decompiler/config/jak2/var_names.jsonc b/decompiler/config/jak2/var_names.jsonc
index 16b663f60..7dd98b735 100644
--- a/decompiler/config/jak2/var_names.jsonc
+++ b/decompiler/config/jak2/var_names.jsonc
@@ -4109,13 +4109,13 @@
   },
   "generic-add-constants": {
     "vars": {
-      "a1-4":["a1-4", "vif-tag"]
+      "a1-4": ["a1-4", "vif-tag"]
     }
   },
   "generic-vu1-init-buffers": {
     "vars": {
-      "s5-0":["s5-0", "gs-zbuf"],
-      "gp-0":["gp-0", "gs-zbuf"]
+      "s5-0": ["s5-0", "gs-zbuf"],
+      "gp-0": ["gp-0", "gs-zbuf"]
     }
   }
 }
diff --git a/goal_src/jak2/levels/drill_platform/drill-spool.gc b/goal_src/jak2/levels/drill_platform/drill-spool.gc
index 853072b64..9e36c2700 100644
--- a/goal_src/jak2/levels/drill_platform/drill-spool.gc
+++ b/goal_src/jak2/levels/drill_platform/drill-spool.gc
@@ -918,7 +918,7 @@ This commonly includes things such as:
 - collision information
 - loading the skeleton group / bones
 - sounds"
-  (local-vars (r0-0 uint128) (a0-20 object) (a1-14 uint128) (sv-16 int))
+  (local-vars (sv-16 res-tag))
   (stack-size-set! (-> obj main-thread) 512)
   (set! (-> obj mask) (logior (process-mask collectable) (-> obj mask)))
   (let ((s3-0 ((method-of-type res-lump get-property-struct)
@@ -974,22 +974,11 @@ This commonly includes things such as:
     (format (clear *temp-string*) "~S-idle" (-> obj art-name))
     (set! (-> s5-1 frame-group) (the-as art-joint-anim (s3-1 s4-1 *temp-string* (the-as type #f))))
     )
-  (set! sv-16 0)
-  (let ((v1-35 (res-lump-data (-> obj entity) 'actor-groups pointer :tag-ptr (the-as (pointer res-tag) (& sv-16)))))
+  (set! sv-16 (new 'static 'res-tag))
+  (let ((v1-35 (res-lump-data (-> obj entity) 'actor-groups (pointer actor-group) :tag-ptr (& sv-16))))
     (cond
-      ((and v1-35 (begin
-                    (let ((a0-21 #t))
-                      (let ((a1-13 (the-as uint128 sv-16)))
-                        (.pcpyud a1-14 a1-13 r0-0)
-                        )
-                      (let ((a1-16 (the-as int (shr (* (the-as int a1-14) 2) 49))))
-                        (cmove-#f-zero a0-20 a1-16 a0-21)
-                        )
-                      )
-                    a0-20
-                    )
-            )
-       (set! (-> obj egg-group) (the-as actor-group (-> (the-as (pointer uint32) v1-35))))
+      ((and v1-35 (nonzero? (-> sv-16 elt-count)))
+       (set! (-> obj egg-group) (-> v1-35 0))
        )
       (else
         )
@@ -1209,7 +1198,7 @@ This commonly includes things such as:
 - loading the skeleton group / bones
 - sounds"
   (local-vars (sv-16 res-tag) (sv-32 res-tag))
-  (stack-size-set! (-> obj main-thread) 1024) ;; increased from 512
+  (stack-size-set! (-> obj main-thread) 2048) ;; increased from 512
   (set! (-> obj mask) (logior (process-mask collectable) (-> obj mask)))
   (let ((s3-0 "drill-crane-break")
         (s4-0 (art-group-get-by-name *level* "skel-drill-crane" (the-as (pointer uint32) #f)))
diff --git a/test/decompiler/reference/jak2/levels/drill_platform/drill-spool_REF.gc b/test/decompiler/reference/jak2/levels/drill_platform/drill-spool_REF.gc
index 85462cda3..6ecb5454f 100644
--- a/test/decompiler/reference/jak2/levels/drill_platform/drill-spool_REF.gc
+++ b/test/decompiler/reference/jak2/levels/drill_platform/drill-spool_REF.gc
@@ -915,7 +915,7 @@ This commonly includes things such as:
 - collision information
 - loading the skeleton group / bones
 - sounds"
-  (local-vars (r0-0 uint128) (a0-20 object) (a1-14 uint128) (sv-16 int))
+  (local-vars (sv-16 res-tag))
   (stack-size-set! (-> obj main-thread) 512)
   (set! (-> obj mask) (logior (process-mask collectable) (-> obj mask)))
   (let ((s3-0 ((method-of-type res-lump get-property-struct)
@@ -971,22 +971,11 @@ This commonly includes things such as:
     (format (clear *temp-string*) "~S-idle" (-> obj art-name))
     (set! (-> s5-1 frame-group) (the-as art-joint-anim (s3-1 s4-1 *temp-string* (the-as type #f))))
     )
-  (set! sv-16 0)
-  (let ((v1-35 (res-lump-data (-> obj entity) 'actor-groups pointer :tag-ptr (the-as (pointer res-tag) (& sv-16)))))
+  (set! sv-16 (new 'static 'res-tag))
+  (let ((v1-35 (res-lump-data (-> obj entity) 'actor-groups (pointer actor-group) :tag-ptr (& sv-16))))
     (cond
-      ((and v1-35 (begin
-                    (let ((a0-21 #t))
-                      (let ((a1-13 (the-as uint128 sv-16)))
-                        (.pcpyud a1-14 a1-13 r0-0)
-                        )
-                      (let ((a1-16 (the-as int (shr (* (the-as int a1-14) 2) 49))))
-                        (cmove-#f-zero a0-20 a1-16 a0-21)
-                        )
-                      )
-                    a0-20
-                    )
-            )
-       (set! (-> obj egg-group) (the-as actor-group (-> (the-as (pointer uint32) v1-35))))
+      ((and v1-35 (nonzero? (-> sv-16 elt-count)))
+       (set! (-> obj egg-group) (-> v1-35 0))
        )
       (else
         )