From 3e20038bbf7206e2270655418d7884ccfe91a4e4 Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Mon, 31 Aug 2026 00:19:10 +0200
Subject: add directives and directive based entry points

---
 examples/fibonacci.hdasm | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'examples/fibonacci.hdasm')

diff --git a/examples/fibonacci.hdasm b/examples/fibonacci.hdasm
index 58f71fe..95a59c8 100644
--- a/examples/fibonacci.hdasm
+++ b/examples/fibonacci.hdasm
@@ -1,3 +1,5 @@
+[entry: main]
+
 const SYS_WRITE = 1
 const SYS_EXIT = 60
 
@@ -41,7 +43,7 @@ proc main
 {
     r12 = 0
     r13 = 1
-    rcx = 10
+    r15 = 10      // syscall clobbers rcx/r11, so keep the counter in r15
 
 loop:
     print_number(r12)
@@ -50,8 +52,8 @@ loop:
     r12 = r13
     r13 += rax
 
-    rcx -= 1
-    if rcx != 0
+    r15 -= 1
+    if r15 != 0
         goto loop
 
     rax = SYS_EXIT
-- 
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