From 894f0fa389f98b9c01480a7f3c3007d7541653cf Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Sun, 24 Nov 2019 02:13:48 +0800
Subject: [PATCH] Use FF fill if no save found.

---
 user_io.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/user_io.cpp b/user_io.cpp
index 29bfbd7..1e90e55 100644
--- a/user_io.cpp
+++ b/user_io.cpp
@@ -2484,7 +2484,7 @@ void user_io_poll()
 
 						//Even after error we have to provide the block to the core
 						//Give an empty block.
-						if (!done) memset(buffer[disk], 0, sizeof(buffer[disk]));
+						if (!done) memset(buffer[disk], (sd_image[disk].type == 2) ? -1 : 0, sizeof(buffer[disk]));
 						buffer_lba[disk] = lba;
 					}