Reorganize code to new virtual folder

Makefile

@@ -21,9 +21,9 @@ ifeq ($(MODE),safe)
 	export TARGET	:=	SafeMode9
 endif
 BUILD		:=	build
-SOURCES		:=	source source/fatfs source/nand source/abstraction
+SOURCES		:=	source source/fatfs source/nand source/virtual source/abstraction
 DATA		:=	data
-INCLUDES	:=	source source/font source/fatfs source/nand
+INCLUDES	:=	source source/font source/fatfs source/nand source/virtual
 
 #---------------------------------------------------------------------------------
 # options for code generation

source/fs.h

@@ -24,7 +24,7 @@ typedef enum {
 #define DRV_MEMORY      (1<<8)
 #define DRV_ALIAS       (1<<9)
 #define DRV_SEARCH      (1<<10)
-#define DRV_STDFAT      (1<<11) // standard FAT drive without limitiations
+#define DRV_STDFAT      (1<<11) // standard FAT drive without limitations
 
 // permission types
 #define PERM_SDCARD     (1<<0)