From b411dbd3007d4c849abb90906b6141f9f4536500 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Tue, 23 Aug 2022 19:11:07 -0600
Subject: [PATCH] Only check ah for bios error
---
src/os/bios/disk.rs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/os/bios/disk.rs b/src/os/bios/disk.rs
index 0551ef1..4f864f8 100644
--- a/src/os/bios/disk.rs
+++ b/src/os/bios/disk.rs
@@ -79,7 +79,8 @@ impl Disk for DiskBios {
data.with(self.thunk13);
//TODO: return result on error
- assert_eq!({ data.eax }, 0);
+ let ah = ({ data.eax } >> 8) & 0xFF;
+ assert_eq!(ah, 0);
//TODO: check blocks transferred
dap = ptr::read(DISK_ADDRESS_PACKET_ADDR as *mut DiskAddressPacket);
--
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