From 491ce6c39e20813c14b44de319604c9419e96c21 Mon Sep 17 00:00:00 2001
From: User65-87-11 <googa.vo1d@gmail.com>
Date: Mon, 15 Dec 2025 16:05:44 +0200
Subject: [PATCH] disk_1308 nlc-- double decrement 0->ff fix

---
 src/disk.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/disk.c b/src/disk.c
index 0328fbd1..ea7e82c2 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -295,7 +295,14 @@ disk_1308(struct bregs *regs, struct drive_s *drive_fl)
     } else if (regs->dl < EXTSTART_CD) {
         // Hard drive
         count = GET_BDA(hdcount);
-        nlc--;  // last sector reserved
+        
+		//is [nlc--] actually needed in an emulator?
+		//when emulated CYL=1 Hard drive then double decrement causes ff to be returned by int 13h ah=08h
+			
+		// if(nlc > 0) 
+        	// nlc--;  
+
+		
     } else {
         // Not supported on CDROM
         disk_ret(regs, DISK_RET_EPARAM);