From 126f34fcd267341407ecf16d296ed7a281fe9ff0 Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Sat, 7 Aug 2021 20:01:26 +0800
Subject: [PATCH] arcade: trigger nvram save from core.

---
 user_io.cpp | 1 +
 user_io.h   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/user_io.cpp b/user_io.cpp
index f5ceaf3..cb530b2 100644
--- a/user_io.cpp
+++ b/user_io.cpp
@@ -3176,6 +3176,7 @@ void user_io_poll()
 
 	if (is_megacd()) mcd_poll();
 	if (is_pce()) pcecd_poll();
+	if (is_arcade() && spi_uio_cmd(UIO_CHK_UPLOAD)) arcade_nvm_save();
 	process_ss(0);
 }
 
diff --git a/user_io.h b/user_io.h
index d69755b..01fd271 100644
--- a/user_io.h
+++ b/user_io.h
@@ -67,6 +67,7 @@
 #define UIO_SET_AFILTER 0x39
 #define UIO_SET_AR_CUST 0x3A
 #define UIO_SET_UART    0x3B
+#define UIO_CHK_UPLOAD  0x3C
 
 // codes as used by 8bit for file loading from OSD
 #define FIO_FILE_TX     0x53