From 3ebb74c73cd6466f15494c9a5ed785644e30ea4c Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sun, 15 Mar 2026 13:40:43 +0000
Subject: [PATCH] Check for null explicitly in token_top()

---
 asm.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/asm.js b/asm.js
index 97f62b7..3a2c7e4 100644
--- a/asm.js
+++ b/asm.js
@@ -316,7 +316,7 @@ class Parser {
         if (opcode)
             return { type: Action.APPEND, opcode };
         const literal = this.integer(token);
-        if (literal)
+        if (literal != null)
             return { type: Action.APPEND, literal };
 
         return { type: Action.SYMBOL, symbol: token };