From 3adf3f47a9fa9047b25bd70210a5f9f2b57bc08e Mon Sep 17 00:00:00 2001
From: stefanrueger <stefan.rueger@urclocks.com>
Date: Sat, 24 May 2025 20:07:07 +0200
Subject: [PATCH] Implement disasm option -U/u

---
 src/disasm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/disasm.c b/src/disasm.c
index 090e84d5..3a3c5108 100644
--- a/src/disasm.c
+++ b/src/disasm.c
@@ -486,6 +486,7 @@ static void lineout(const char *code, const char *comment,
   if(cx->dis_opts.labels && showlabel) {
     int match = 0, first = -1;
     const char *comment = NULL, *name;
+    Dis_symbol *s;
 
     for(int i = 0; i < cx->dis_jumpcallN; i++)
       if(jc[i].to == here)
@@ -530,6 +531,11 @@ static void lineout(const char *code, const char *comment,
       mmt_free(reflist);
     } else if(match) {
       (void) get_label_name(here, &comment);
+    } else if(cx->dis_opts.unused_labels && (s = find_symbol('L', here))) {
+      if(!s->comment || !*s->comment || !cx->dis_opts.comments)
+        disasm_out("%s:\n", s->name);
+      else
+        disasm_out("%-*s ; %s\n", commentcol(), str_ccprintf("%s:", s->name), s->comment);
     }
   }