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-rw-r--r--pc-thing/instructions_new/ret.ts10
1 files changed, 10 insertions, 0 deletions
diff --git a/pc-thing/instructions_new/ret.ts b/pc-thing/instructions_new/ret.ts
new file mode 100644
index 0000000..04b5cc3
--- /dev/null
+++ b/pc-thing/instructions_new/ret.ts
@@ -0,0 +1,10 @@
+import { PC } from "../pc.ts";
+
+export default {
+    function(this: PC) {
+        const returnAddr = this.returnStack.pop();
+        if (!returnAddr) throw 'return stack empty';
+        this.programPointer = returnAddr;
+    },
+    args: 1
+}
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