diff --git a/casino3d.inc b/casino3d.inc
--- a/casino3d.inc
+++ b/casino3d.inc
@@ -154,1 +154,2 @@
 include src_graphics\native_slots_data.inc
+include src_graphics\native_coin_data.inc
@@ -2650,7 +2651,4 @@
 InitCoinGame PROC
-    mov coin3d_state, 0
-    mov coin3d_timer, 0
-    mov coin3d_streak, 0
-    mov coin3d_win, 0
+    call InitNativeCoin3D
     ret
 InitCoinGame ENDP
@@ -2658,1 +2656,5 @@
 HandleCoinInput PROC
+    call HandleNativeCoin3D
+    ret
+; Retained legacy frame-count prototype, excluded from the executable.
+IF 0
@@ -2779,1 +2781,2 @@
+ENDIF
 HandleCoinInput ENDP
@@ -2786,1 +2789,4 @@
+    call RenderNativeCoin3D
+    ret
+IF 0
     ; Background & Cabinet border
@@ -2898,1 +2904,2 @@
+ENDIF
 RenderCoinGame ENDP
@@ -5107,1 +5114,2 @@
 include src_graphics\native_slots.inc
+include src_graphics\native_coin.inc