From 8a066934569b76ffb5cd5ff51786b46002d217c3 Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paul@ponteilla.net>
Date: Mon, 29 Sep 2025 17:47:34 +0200
Subject: [PATCH] boot: prompt retry to load polio.com

---
 fat12boot.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fat12boot.c b/fat12boot.c
index 633da70..69f56c8 100644
--- a/fat12boot.c
+++ b/fat12boot.c
@@ -47,8 +47,12 @@ static void loadpolmon() {
         die("fi");
     }
 
-    if (fat12_readfile("POLMON  COM", kPolmonAddress)) {
-        die("pnf");
+    while (fat12_readfile("POLIO   COM", kPolmonAddress)) {
+        asm volatile (
+                "mov $00, %%ah      \n\t"
+                "int $0x16          \n\t"
+                ::: "ax"
+                );
     }
 
     jump(kPolmonAddress);