From 688549ef81836c64864d7c2c7fb06f04fdc6c9e0 Mon Sep 17 00:00:00 2001
From: phfr24 <phfr24@inf.ufpr.br>
Date: Fri, 12 Dec 2025 18:26:19 -0300
Subject: [PATCH] fix null xs seed bug

---
 lifeboot.asm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lifeboot.asm b/lifeboot.asm
index ed03350..c92c0af 100644
--- a/lifeboot.asm
+++ b/lifeboot.asm
@@ -52,8 +52,15 @@ mov ah, 0x01                ; set text-mode cursor shape
 int 0x10                    ; video services
 
 ; initialize xss
+
+set_xss_seed:
+
 mov ah, 0x00                ; get
 int 0x1a                    ;  system time
+
+cmp dx, 0
+je set_xss_seed             ; if seed is 0, xs wont work properly
+
 mov [xss], dx               ; cx:dx = number of clock ticks since midnight
 
 ; initialize currvgapg
-- 
2.54.0