render call and data stacks

1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 840a86c..f3c9a89 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -119,11 +119,19 @@ impl ExportedInterp {
     }
 
     pub fn ip(&self) -> ExportedInstructionPointer {
-        let Some(interp) = self.i.as_ref() else {
+        let Some(interp) = &self.i else {
             return ExportedInstructionPointer { word: 0, offset: 0 }
         };
         (&interp.ip).into()
     }
+
+    pub fn reset_ip(&mut self) {
+        let Some(interp) = &mut self.i else {
+            return;
+        };
+        interp.ip.word = 0;
+        interp.ip.offset = 0;
+    }
 }
 
 #[wasm_bindgen]