From a00aeed7637aab109741b8f4c6e3a368814b0a77 Mon Sep 17 00:00:00 2001
From: April Ayres-Griffiths <aag6581@gmail.com>
Date: Sat, 25 May 2024 09:42:33 -0700
Subject: [PATCH] fix(disk/diskimageappledos.go): fix for badly behaved sector
 size spec

---
 disk/diskimageappledos.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/disk/diskimageappledos.go b/disk/diskimageappledos.go
index a57963d..6831783 100644
--- a/disk/diskimageappledos.go
+++ b/disk/diskimageappledos.go
@@ -257,7 +257,11 @@ func (fd *VTOC) GetTrackOrder() int {
 }
 
 func (fd *VTOC) BytesPerSector() int {
-	return int(fd.Data[0x36]) + 256*int(fd.Data[0x37])
+	size := int(fd.Data[0x36]) + 256*int(fd.Data[0x37])
+	if size < 256 {
+		size = 256
+	}
+	return size
 }
 
 func (fd *VTOC) IsTSFree(t, s int) bool {