Add support of unnamed labels with @ (.localchar) prefix.

2023-06-03 16:33:18 +03:00
parent b993d88339
commit c500cb9086
4 changed files with 59 additions and 13 deletions
--- a/src/ca65/ulabel.c
+++ b/src/ca65/ulabel.c
@@ -107,8 +107,12 @@ ExprNode* ULabRef (int Which)
    int     Index;
    ULabel* L;

-    /* Which can never be 0 */
-    PRECONDITION (Which != 0);
+    /* Which should not be 0 */
+    if (Which == 0) {
+        Error ("Invalid unnamed label reference");
+        /* We must return something valid */
+        return GenCurrentPC();
+    }

    /* Get the index of the referenced label */
    if (Which > 0) {