output

hermit-os · Dec 9, 2024 · bcb3d80 · bcb3d80
1 parent f7e23ae
commit bcb3d80
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/arch/x86_64/entry_fc.s b/src/arch/x86_64/entry_fc.s
@@ -13,6 +13,11 @@
 .align 8
 .global _start
 _start:
+    mov dx, 0x3F8
+    mov al, 'A'
+    out dx, al
+    mov al, '\n'
+    out dx, al
     cli # avoid any interrupt
 
     # Initialize stack pointer