OSD: display saving message upon autosave.

menu.cpp

@@ -131,6 +131,7 @@ enum MENU
 	MENU_GENERIC_MAIN2,
 	MENU_GENERIC_FILE_SELECTED,
 	MENU_GENERIC_IMAGE_SELECTED,
+	MENU_GENERIC_SAVE_WAIT,
 
 	// Arcade
 	MENU_ARCADE_DIP1,
@@ -186,6 +187,7 @@ static uint32_t menusub = 0;
 static uint32_t menusub_last = 0; //for when we allocate it dynamically and need to know last row
 static uint64_t menumask = 0; // Used to determine which rows are selectable...
 static uint32_t menu_timer = 0;
+static uint32_t menu_save_timer = 0;
 
 extern const char *version;
 
@@ -1838,11 +1840,26 @@ void HandleUI(void)
 
 	} break;
 
+	case MENU_GENERIC_SAVE_WAIT:
+		menumask = 0;
+		parentstate = menustate;
+		if (menu_save_timer && CheckTimer(menu_save_timer))
+		{
+			menu_save_timer = 0;
+			menustate = MENU_GENERIC_MAIN1;
+		}
+		break;
+
 	case MENU_GENERIC_MAIN2:
 		saved_menustate = MENU_GENERIC_MAIN1;
 
-		// menu key closes menu
-		if (menu)
+		if (menu_save_timer && !CheckTimer(menu_save_timer))
+		{
+			for (int i = 0; i < 16; i++) OsdWrite(m++);
+			OsdWrite(8, "          Saving...");
+			menustate = MENU_GENERIC_SAVE_WAIT;
+		}
+		else if (menu)
 		{
 			menustate = MENU_NONE1;
 		}
@@ -6347,3 +6364,8 @@ int menu_allow_cfg_switch()
 
 	return 0;
 }
+
+void menu_process_save()
+{
+	menu_save_timer = GetTimer(1000);
+}

menu.h

@@ -5,6 +5,7 @@
 
 void HandleUI(void);
 void menu_key_set(unsigned int c);
+void menu_process_save();
 void PrintDirectory(int expand = 0);
 void ScrollLongName(void);
 

user_io.cpp

@@ -42,6 +42,8 @@ static char rbf_path[1024] = {};
 static fileTYPE sd_image[4] = {};
 static uint64_t buffer_lba[4] = { ULLONG_MAX,ULLONG_MAX,ULLONG_MAX,ULLONG_MAX };
 
+static int use_save = 0;
+
 // mouse and keyboard emulation state
 static int emu_mode = EMU_NONE;
 
@@ -1466,6 +1468,7 @@ int user_io_file_mount(const char *name, unsigned char index, char pre)
 	}
 
 	buffer_lba[index] = -1;
+	if (!index) use_save = pre;
 
 	if (!ret)
 	{
@@ -2617,6 +2620,8 @@ void user_io_poll()
 				{
 					//printf("SD WR %d on %d\n", lba, disk);
 
+					if (use_save) menu_process_save();
+
 					buffer_lba[disk] = -1;
 
 					// Fetch sector data from FPGA ...