diff --git a/demos/modules/gdisp/images/gfxconf.h b/demos/modules/gdisp/images/gfxconf.h
index 09dbe30c..4ef9ab9e 100644
--- a/demos/modules/gdisp/images/gfxconf.h
+++ b/demos/modules/gdisp/images/gfxconf.h
@@ -52,7 +52,8 @@
 #define GDISP_NEED_IMAGE_PNG		FALSE
 
 #define GFX_USE_GFILE				TRUE
-#define GFILE_NEED_MEMFS			TRUE
+#define GFILE_NEED_ROMFS			TRUE
+//#define GFILE_NEED_NATIVEFS		TRUE
 
 #endif /* _GFXCONF_H */
 
diff --git a/demos/modules/gdisp/images/main.c b/demos/modules/gdisp/images/main.c
index 021bf9f5..6a2e4418 100644
--- a/demos/modules/gdisp/images/main.c
+++ b/demos/modules/gdisp/images/main.c
@@ -29,15 +29,12 @@
 
 #include "gfx.h"
 
-#ifdef WIN32
-	#define USE_MEMORY_FILE		TRUE				// Can be true or false for Win32
-#else
-	#define USE_MEMORY_FILE		TRUE				// Non-Win32 - use the compiled in image
-#endif
-
-#if USE_MEMORY_FILE
-	#include "test-pal8.h"
-#endif
+/**
+ * The image file must be stored on a GFILE file-system.
+ * Use either GFILE_NEED_NATIVEFS or GFILE_NEED_ROMFS (or both).
+ *
+ * The ROMFS uses the file "romfs_files.h" to describe the set of files in the ROMFS.
+ */
 
 static gdispImage myImage;
 
@@ -52,12 +49,7 @@ int main(void) {
 	sheight = gdispGetHeight();
 
 	// Set up IO for our image
-#if USE_MEMORY_FILE
-	gdispImageOpenMemory(&myImage, test_pal8);
-#else
 	gdispImageOpenFile(&myImage, "test-pal8.bmp");
-#endif
-
 	gdispImageDraw(&myImage, 0, 0, swidth, sheight, 0, 0);
 	gdispImageClose(&myImage);
 
diff --git a/demos/modules/gdisp/images/romfs_files.h b/demos/modules/gdisp/images/romfs_files.h
new file mode 100644
index 00000000..a31dc7bf
--- /dev/null
+++ b/demos/modules/gdisp/images/romfs_files.h
@@ -0,0 +1,7 @@
+/**
+ * This file contains the list of files for the ROMFS.
+ *
+ * The files have been converted using...
+ * 		file2c -dbcs infile outfile
+ */
+#include "romfs_testpal8.h"
diff --git a/demos/modules/gdisp/images/test-pal8.h b/demos/modules/gdisp/images/romfs_testpal8.h
similarity index 98%
rename from demos/modules/gdisp/images/test-pal8.h
rename to demos/modules/gdisp/images/romfs_testpal8.h
index 9d1d7e0f..a7844b0d 100644
--- a/demos/modules/gdisp/images/test-pal8.h
+++ b/demos/modules/gdisp/images/romfs_testpal8.h
@@ -1,10 +1,10 @@
 /**
  * This file was generated from "test-pal8.bmp" using...
  *
- *	file2c -cs test-pal8.bmp test-pal8.h
+ *	file2c -bbcs test-pal8.bmp romfs_testpal8.h
  *
  */
-static const unsigned char test_pal8[] = {
+static const char test_pal8[] = {
 	0x42, 0x4D, 0x26, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x26, 0x04, 0x00, 0x00, 0x28, 0x00,
 	0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x13, 0x0B, 0x00, 0x00, 0x13, 0x0B, 0x00, 0x00, 0xFC, 0x00,
@@ -69,6 +69,8 @@ static const unsigned char test_pal8[] = {
 	0x66, 0x00, 0xFF, 0x80, 0x99, 0x00, 0xFF, 0x80, 0xCC, 0x00, 0xFF, 0x80, 0xFF, 0x00, 0xFF, 0xAA,
 	0x00, 0x00, 0xFF, 0xAA, 0x33, 0x00, 0xFF, 0xAA, 0x66, 0x00, 0xFF, 0xAA, 0x99, 0x00, 0xFF, 0xAA,
 	0xCC, 0x00, 0xFF, 0xAA, 0xFF, 0x00, 0xFF, 0xD5, 0x00, 0x00, 0xFF, 0xD5, 0x33, 0x00, 0xFF, 0xD5,
+};
+static const char test_pal8_p2[] = {
 	0x66, 0x00, 0xFF, 0xD5, 0x99, 0x00, 0xFF, 0xD5, 0xCC, 0x00, 0xFF, 0xD5, 0xFF, 0x00, 0xFF, 0xFF,
 	0x00, 0x00, 0xFF, 0xFF, 0x33, 0x00, 0xFF, 0xFF, 0x66, 0x00, 0xFF, 0xFF, 0x99, 0x00, 0xFF, 0xFF,
 	0xCC, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x30, 0x30, 0x30, 0x30, 0x36,
@@ -133,6 +135,8 @@ static const unsigned char test_pal8[] = {
 	0x5C, 0x2B, 0x5C, 0x56, 0x5C, 0x56, 0x87, 0x56, 0x87, 0x81, 0xB2, 0x81, 0xB2, 0x81, 0xB2, 0xAC,
 	0xB2, 0xAC, 0xDD, 0xAC, 0xDD, 0xD7, 0x2A, 0x00, 0x30, 0x00, 0x31, 0x06, 0x31, 0x07, 0x38, 0x07,
 	0x38, 0x0D, 0x3E, 0x0E, 0x3E, 0x0E, 0x45, 0x14, 0x45, 0x15, 0x46, 0x1B, 0x46, 0x1B, 0x4C, 0x22,
+};
+static const char test_pal8_p3[] = {
 	0x4C, 0x22, 0x53, 0x22, 0x53, 0x29, 0x93, 0x62, 0x68, 0x62, 0x92, 0x62, 0x68, 0x62, 0x93, 0x62,
 	0x68, 0x62, 0x92, 0x62, 0x92, 0x62, 0x93, 0x62, 0x92, 0x62, 0x92, 0x62, 0x92, 0x62, 0x93, 0x62,
 	0x92, 0x62, 0x92, 0x62, 0x92, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00, 0x31, 0x30, 0x31, 0x30, 0x37,
@@ -197,6 +201,8 @@ static const unsigned char test_pal8[] = {
 	0x62, 0x31, 0x62, 0x5C, 0x62, 0x5C, 0x8D, 0x5C, 0x8D, 0x87, 0xB8, 0x87, 0xB8, 0x87, 0xB8, 0xB2,
 	0xB8, 0xB2, 0xE3, 0xB2, 0xE3, 0xDD, 0x54, 0x2A, 0x30, 0x2A, 0x5B, 0x30, 0x31, 0x31, 0x62, 0x31,
 	0x38, 0x37, 0x68, 0x38, 0x3E, 0x38, 0x6F, 0x3E, 0x45, 0x3F, 0x70, 0x45, 0x46, 0x45, 0x76, 0x4C,
+};
+static const char test_pal8_p4[] = {
 	0x4C, 0x4C, 0x7D, 0x4C, 0x53, 0x53, 0x93, 0x62, 0x68, 0x62, 0x93, 0x62, 0x92, 0x62, 0x93, 0x62,
 	0x92, 0x62, 0x93, 0x62, 0x92, 0x62, 0x93, 0x62, 0x92, 0x62, 0x93, 0x62, 0x92, 0x62, 0x93, 0x62,
 	0x92, 0x62, 0x93, 0x62, 0x92, 0x00, 0x01, 0x01, 0x01, 0x07, 0x01, 0x31, 0x31, 0x31, 0x31, 0x37,
@@ -261,6 +267,8 @@ static const unsigned char test_pal8[] = {
 	0x00, 0x00, 0xFB, 0xFB, 0xFB, 0x00, 0x00, 0x62, 0x8D, 0x8D, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00,
 	0xB8, 0xB8, 0xE9, 0xB8, 0xE3, 0xE3, 0x54, 0x54, 0x5A, 0x2A, 0x5B, 0x30, 0x00, 0x00, 0xFB, 0xFB,
 	0x00, 0x00, 0x68, 0x38, 0x68, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x45, 0x70, 0x45, 0x76, 0x76,
+};
+static const char test_pal8_p5[] = {
 	0x76, 0x4C, 0x7D, 0x4C, 0x7D, 0x53, 0x93, 0x68, 0x93, 0x62, 0x93, 0x62, 0x93, 0x62, 0x93, 0x68,
 	0x93, 0x62, 0x93, 0x62, 0x93, 0x62, 0x93, 0x68, 0x93, 0x62, 0x93, 0x62, 0x93, 0x62, 0x93, 0x92,
 	0x93, 0x62, 0x93, 0x8C, 0x93, 0x00, 0x02, 0x02, 0x02, 0x08, 0x02, 0x32, 0x32, 0x32, 0x32, 0x38,
@@ -325,6 +333,8 @@ static const unsigned char test_pal8[] = {
 	0xFB, 0xFB, 0x00, 0x00, 0x68, 0x62, 0x93, 0x68, 0x93, 0x8D, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00,
 	0xBE, 0xB8, 0xE9, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x54, 0x85, 0x5A, 0x00, 0x00, 0xFB, 0xFB,
 	0x00, 0x00, 0x92, 0x62, 0x92, 0x00, 0x00, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB,
+};
+static const char test_pal8_p6[] = {
 	0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0xFB, 0x00, 0x00, 0x00, 0x93, 0x62, 0x93, 0x68,
 	0x93, 0x68, 0x93, 0x68, 0x93, 0x62, 0x93, 0x92, 0x93, 0x68, 0x93, 0x92, 0x93, 0x62, 0x93, 0x92,
 	0x93, 0x92, 0x93, 0x92, 0x93, 0x00, 0x02, 0x03, 0x02, 0x09, 0x02, 0x33, 0x32, 0x33, 0x32, 0x39,
@@ -389,6 +399,8 @@ static const unsigned char test_pal8[] = {
 	0x00, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x68, 0x99, 0x93, 0x00, 0x00, 0xFB, 0xFB, 0xFB, 0x00,
 	0x00, 0xBE, 0xEF, 0xBE, 0xEF, 0xE9, 0xA8, 0x7E, 0x84, 0x7E, 0xAF, 0x00, 0x00, 0xFB, 0xFB, 0xFB,
 	0x00, 0x00, 0xBC, 0x8C, 0x92, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+static const char test_pal8_p7[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x68, 0x99, 0x92,
 	0x93, 0x68, 0x99, 0x92, 0x93, 0x68, 0x99, 0x92, 0x93, 0x92, 0x99, 0x92, 0x93, 0x92, 0xC3, 0x92,
 	0x93, 0x92, 0xC3, 0x92, 0x93, 0x00, 0x03, 0x03, 0x03, 0x09, 0x03, 0x33, 0x33, 0x33, 0x33, 0x39,
@@ -453,6 +465,8 @@ static const unsigned char test_pal8[] = {
 	0x74, 0x43, 0x74, 0x6E, 0x74, 0x6E, 0x9F, 0x6E, 0x9F, 0x99, 0xCA, 0x99, 0xCA, 0x99, 0xCA, 0xC4,
 	0xCA, 0xC4, 0xF5, 0xC4, 0xF5, 0xEF, 0xA8, 0x7E, 0xAE, 0x7E, 0xAF, 0x84, 0xAF, 0x85, 0xB6, 0x85,
 	0xB6, 0x8B, 0xBC, 0x8C, 0xBC, 0x8C, 0xC3, 0x92, 0xC3, 0x93, 0xC4, 0x99, 0xC4, 0x99, 0xCA, 0xA0,
+};
+static const char test_pal8_p8[] = {
 	0xCA, 0xA0, 0xD1, 0xA0, 0xD1, 0xA7, 0x99, 0x93, 0x99, 0x68, 0x99, 0x92, 0x99, 0x68, 0x99, 0x93,
 	0x99, 0x92, 0x99, 0x92, 0x99, 0x92, 0xC3, 0x93, 0x99, 0x92, 0xC3, 0x92, 0x99, 0x92, 0xC3, 0x93,
 	0xC3, 0x92, 0xC3, 0x92, 0xC3, 0x00, 0x04, 0x04, 0x04, 0x0A, 0x04, 0x34, 0x34, 0x34, 0x34, 0x3A,
@@ -517,6 +531,8 @@ static const unsigned char test_pal8[] = {
 	0x7A, 0x49, 0x7A, 0x74, 0x74, 0x74, 0xA5, 0x74, 0xA5, 0x9F, 0xD0, 0x9F, 0xCA, 0x9F, 0xD0, 0xCA,
 	0xD0, 0xCA, 0xFB, 0xCA, 0xF5, 0xF5, 0xD2, 0xA8, 0xD8, 0xA8, 0xD9, 0xAE, 0xD9, 0xAF, 0xE0, 0xAF,
 	0xE0, 0xB5, 0xE6, 0xB6, 0xE6, 0xB6, 0xED, 0xBC, 0xED, 0xBD, 0xEE, 0xC3, 0xEE, 0xC3, 0xF4, 0xCA,
+};
+static const char test_pal8_p9[] = {
 	0xF4, 0xCA, 0xFB, 0xCA, 0xFB, 0xD1, 0x99, 0x93, 0x99, 0x93, 0x99, 0x93, 0x99, 0x92, 0xC3, 0x93,
 	0x99, 0x93, 0xC3, 0x93, 0x99, 0x92, 0xC3, 0x93, 0xC3, 0x93, 0xC3, 0x93, 0xC3, 0x92, 0xC3, 0x93,
 	0xC3, 0x93, 0xC3, 0x93, 0xC3, 0x00, 0x04, 0x04, 0x04, 0x0B, 0x04, 0x35, 0x34, 0x35, 0x34, 0x3A,
@@ -581,7 +597,15 @@ static const unsigned char test_pal8[] = {
 	0x7A, 0x4F, 0x7A, 0x7A, 0x7A, 0x7A, 0xA5, 0x7A, 0xA5, 0xA5, 0xD0, 0xA5, 0xD0, 0xA5, 0xD0, 0xD0,
 	0xD0, 0xD0, 0xFB, 0xD0, 0xFB, 0xFB, 0xD2, 0xD2, 0xD8, 0xD2, 0xD9, 0xD8, 0xD9, 0xD9, 0xE0, 0xD9,
 	0xE0, 0xDF, 0xE6, 0xE0, 0xE6, 0xE0, 0xED, 0xE6, 0xED, 0xE7, 0xEE, 0xED, 0xEE, 0xED, 0xF4, 0xF4,
+};
+static const char test_pal8_p10[] = {
 	0xF4, 0xF4, 0xFB, 0xF4, 0xFB, 0xFB, 0xC4, 0x93, 0x99, 0x93, 0xC4, 0x93, 0x99, 0x93, 0xC4, 0x93,
 	0xC3, 0x93, 0xC4, 0x93, 0xC3, 0x93, 0xC4, 0x93, 0xC3, 0x93, 0xC4, 0x93, 0xC3, 0x93, 0xC4, 0x93,
 	0xC3, 0x93, 0xC4, 0x93, 0xC3, 0x00,
 };
+
+#ifdef ROMFS_DIRENTRY_HEAD
+	static const ROMFS_DIRENTRY test_pal8_dir = { 0, 0, ROMFS_DIRENTRY_HEAD, "test-pal8.bmp", 9254, test_pal8 };
+	#undef ROMFS_DIRENTRY_HEAD
+	#define ROMFS_DIRENTRY_HEAD &test_pal8_dir
+#endif
diff --git a/demos/modules/gdisp/images_animated/gfxconf.h b/demos/modules/gdisp/images_animated/gfxconf.h
index b2dcaf92..fddda437 100644
--- a/demos/modules/gdisp/images_animated/gfxconf.h
+++ b/demos/modules/gdisp/images_animated/gfxconf.h
@@ -52,7 +52,7 @@
 #define GDISP_NEED_IMAGE_PNG		FALSE
 
 #define GFX_USE_GFILE				TRUE
-#define GFILE_NEED_MEMFS			TRUE
+#define GFILE_NEED_ROMFS			TRUE
 
 #endif /* _GFXCONF_H */
 
diff --git a/demos/modules/gdisp/images_animated/main.c b/demos/modules/gdisp/images_animated/main.c
index bf49f692..039cf584 100644
--- a/demos/modules/gdisp/images_animated/main.c
+++ b/demos/modules/gdisp/images_animated/main.c
@@ -29,23 +29,20 @@
 
 #include "gfx.h"
 
+/**
+ * The image file must be stored on a GFILE file-system.
+ * Use either GFILE_NEED_NATIVEFS or GFILE_NEED_ROMFS (or both).
+ *
+ * The ROMFS uses the file "romfs_files.h" to describe the set of files in the ROMFS.
+ */
+
 #define USE_IMAGE_CACHE			FALSE						// Only if you want to get performance at the expense of RAM
 #define MY_BG_COLOR				RGB2COLOR(220, 220, 255)	// Pale blue so we can see the transparent parts
 
-#ifdef WIN32
-	#define USE_MEMORY_FILE		TRUE				// Can be true or false for Win32
-#else
-	#define USE_MEMORY_FILE		TRUE				// Non-Win32 - use the compiled in image
-#endif
+static gdispImage myImage;
 
 #define SHOW_ERROR(color)		gdispFillArea(errx, erry, errcx, errcy, color)
 
-#if USE_MEMORY_FILE
-	#include "testanim.h"
-#endif
-
-static gdispImage myImage;
-
 /**
  * This demo display the animated gif (either directly from a file or from a
  * file encoded in flash.
@@ -75,11 +72,7 @@ int main(void) {
 	errcy = sheight;
 
 	// Set up IO for our image
-#if USE_MEMORY_FILE
-	if (!(gdispImageOpenMemory(&myImage, testanim) & GDISP_IMAGE_ERR_UNRECOVERABLE)) {
-#else
 	if (!(gdispImageOpenFile(&myImage, "testanim.gif") & GDISP_IMAGE_ERR_UNRECOVERABLE)) {
-#endif
 
 		gdispImageSetBgColor(&myImage, MY_BG_COLOR);
 		// Adjust the error indicator area if necessary
diff --git a/demos/modules/gdisp/images_animated/romfs_files.h b/demos/modules/gdisp/images_animated/romfs_files.h
new file mode 100644
index 00000000..9cd40491
--- /dev/null
+++ b/demos/modules/gdisp/images_animated/romfs_files.h
@@ -0,0 +1,7 @@
+/**
+ * This file contains the list of files for the ROMFS.
+ *
+ * The files have been converted using...
+ * 		file2c -dbcs infile outfile
+ */
+#include "romfs_testanim.h"
diff --git a/demos/modules/gdisp/images_animated/testanim.h b/demos/modules/gdisp/images_animated/romfs_testanim.h
similarity index 98%
rename from demos/modules/gdisp/images_animated/testanim.h
rename to demos/modules/gdisp/images_animated/romfs_testanim.h
index ce2ba8c7..3b35b120 100644
--- a/demos/modules/gdisp/images_animated/testanim.h
+++ b/demos/modules/gdisp/images_animated/romfs_testanim.h
@@ -1,10 +1,10 @@
 /**
  * This file was generated from "testanim.gif" using...
  *
- *	file2c -cs testanim.gif testanim.h
+ *	file2c -bbcs testanim.gif romfs_testanim.h
  *
  */
-static const unsigned char testanim[] = {
+static const char testanim[] = {
 	0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x99, 0x00, 0x73, 0x00, 0xE6, 0x46, 0x00, 0x04, 0x07, 0x00,
 	0x10, 0x0F, 0x04, 0x1D, 0x1E, 0x29, 0x20, 0x23, 0x08, 0x2E, 0x2C, 0x18, 0x31, 0x32, 0x01, 0x2E,
 	0x32, 0x2A, 0x35, 0x37, 0x3B, 0x20, 0x28, 0x42, 0x2B, 0x37, 0x53, 0x3E, 0x41, 0x03, 0x3C, 0x44,
@@ -69,6 +69,8 @@ static const unsigned char testanim[] = {
 	0x84, 0x61, 0x8E, 0x71, 0x05, 0x63, 0xE6, 0x5C, 0x85, 0x80, 0x80, 0xD7, 0x60, 0xB3, 0x10, 0x70,
 	0x40, 0x00, 0xB5, 0x61, 0xA0, 0x40, 0x04, 0x18, 0x30, 0x70, 0x80, 0x01, 0x09, 0x88, 0x35, 0xDA,
 	0x82, 0xD1, 0x58, 0xA0, 0xC8, 0x31, 0x79, 0xED, 0x48, 0x61, 0x95, 0x71, 0x5D, 0x68, 0xC0, 0x47,
+};
+static const char testanim_p2[] = {
 	0x14, 0x52, 0x18, 0xD7, 0x8C, 0x0B, 0x78, 0x80, 0xC1, 0x00, 0x95, 0x65, 0xB8, 0xA5, 0x3E, 0xDF,
 	0x08, 0xF3, 0x4F, 0x02, 0xC9, 0x4D, 0x76, 0x90, 0x9D, 0x91, 0xCD, 0xE5, 0x81, 0x07, 0x2D, 0xE4,
 	0xE4, 0xD6, 0x9B, 0x23, 0x79, 0x08, 0x82, 0x7A, 0x4A, 0xC5, 0x45, 0x80, 0x04, 0x03, 0x10, 0x40,
@@ -133,6 +135,8 @@ static const unsigned char testanim[] = {
 	0x8D, 0x34, 0xE6, 0x9E, 0x0E, 0x08, 0x87, 0xEB, 0x62, 0xC5, 0x1D, 0x67, 0x16, 0x00, 0x9A, 0xF3,
 	0xA8, 0x00, 0xE9, 0x6E, 0x68, 0xC0, 0xF1, 0x21, 0x85, 0xA1, 0xCF, 0xA3, 0x9E, 0xE9, 0x70, 0xC3,
 	0xD0, 0x56, 0xF9, 0xB0, 0x9C, 0xD5, 0x1A, 0x08, 0x86, 0x16, 0xC0, 0x81, 0x0D, 0x38, 0xD1, 0x08,
+};
+static const char testanim_p3[] = {
 	0x21, 0xC5, 0x2A, 0x86, 0x5C, 0xF7, 0x35, 0x48, 0x74, 0x55, 0x07, 0xBE, 0xD4, 0x4A, 0x14, 0x27,
 	0x47, 0x49, 0x84, 0x0D, 0xB3, 0x61, 0xC0, 0x88, 0xD6, 0x5C, 0x4E, 0x51, 0x9F, 0x48, 0xCE, 0x48,
 	0x79, 0x85, 0xC0, 0x88, 0x01, 0x62, 0x95, 0xC3, 0x34, 0x0E, 0xC0, 0xA7, 0x35, 0x2C, 0xDD, 0x51,
@@ -197,6 +201,8 @@ static const unsigned char testanim[] = {
 	0x83, 0xB2, 0x64, 0xAA, 0xF2, 0x4D, 0x4C, 0x67, 0x38, 0x33, 0x61, 0x1F, 0x1D, 0x71, 0x67, 0xAE,
 	0x63, 0x4A, 0x86, 0x13, 0x68, 0x7F, 0x01, 0x65, 0xAC, 0x17, 0x5F, 0x40, 0x62, 0x68, 0xBB, 0x66,
 	0x77, 0x53, 0xA6, 0x77, 0xA8, 0x20, 0x2B, 0xA5, 0xC3, 0x34, 0xF2, 0x86, 0x0A, 0xEC, 0xD2, 0x24,
+};
+static const char testanim_p4[] = {
 	0xE0, 0x67, 0x2E, 0x2B, 0x24, 0x0E, 0x6B, 0x93, 0x27, 0x4B, 0x43, 0x0F, 0x5D, 0x26, 0x7C, 0x59,
 	0xB7, 0x21, 0x71, 0x41, 0x2F, 0x01, 0x24, 0x7B, 0xBD, 0x55, 0x3E, 0x7E, 0x38, 0x1B, 0x40, 0xE1,
 	0x3A, 0x08, 0x70, 0x85, 0x82, 0xE0, 0x73, 0x7A, 0x32, 0x3A, 0x06, 0xC8, 0x6E, 0xD3, 0x73, 0x6B,
@@ -261,6 +267,8 @@ static const unsigned char testanim[] = {
 	0x32, 0xA0, 0x03, 0x1D, 0x40, 0x03, 0x0B, 0x00, 0x03, 0x71, 0xFA, 0x02, 0x7A, 0x9A, 0x97, 0x40,
 	0x40, 0x02, 0x78, 0x69, 0x9B, 0x31, 0x26, 0x03, 0xE2, 0x33, 0x51, 0xF4, 0x30, 0xA5, 0xB3, 0x81,
 	0x35, 0x77, 0x42, 0x5D, 0x58, 0x5A, 0x19, 0xE5, 0xEA, 0x66, 0x27, 0x2A, 0x0B, 0x33, 0xE6, 0x6B,
+};
+static const char testanim_p5[] = {
 	0x0A, 0x89, 0x65, 0xB3, 0x35, 0xA0, 0xA5, 0xE9, 0x93, 0xBC, 0x78, 0x9D, 0xEA, 0xFA, 0x1D, 0xAE,
 	0xD3, 0x88, 0x05, 0x1A, 0x00, 0x9E, 0xDA, 0x02, 0x33, 0xE2, 0x01, 0x16, 0xFA, 0x02, 0x42, 0xF0,
 	0x02, 0x3E, 0x90, 0x97, 0x3A, 0x80, 0x97, 0xA4, 0xEA, 0x03, 0x24, 0x45, 0x3E, 0xAC, 0x64, 0xAB,
@@ -325,6 +333,8 @@ static const unsigned char testanim[] = {
 	0xBD, 0xFC, 0x56, 0x2E, 0xE0, 0x28, 0x7B, 0xE9, 0xB4, 0xF5, 0x1A, 0x63, 0xD1, 0x1A, 0x63, 0x5D,
 	0x3C, 0xC3, 0x1C, 0xBD, 0xA4, 0x61, 0x79, 0x67, 0xBB, 0xA2, 0x24, 0x71, 0xE5, 0x3B, 0x3B, 0x02,
 	0x29, 0x2B, 0x0A, 0xD2, 0xFA, 0x8C, 0x65, 0x6F, 0x8D, 0xCD, 0xEA, 0x06, 0x6F, 0x71, 0x69, 0x4D,
+};
+static const char testanim_p6[] = {
 	0xDD, 0x5C, 0xB4, 0x61, 0x8A, 0x55, 0x78, 0xF8, 0xD2, 0xDB, 0xD6, 0xC4, 0x2F, 0x90, 0x9E, 0xCC,
 	0x5A, 0xAF, 0x35, 0xD0, 0xA6, 0x82, 0xBD, 0x8A, 0xB9, 0x82, 0xA5, 0xF3, 0x59, 0x21, 0xE9, 0x04,
 	0x26, 0xA8, 0xA5, 0x23, 0x4A, 0xD1, 0xDA, 0x56, 0x13, 0x01, 0x74, 0x86, 0x0A, 0xD0, 0x10, 0xD9,
@@ -389,6 +399,8 @@ static const unsigned char testanim[] = {
 	0x11, 0x88, 0x8B, 0x2A, 0x2A, 0xE0, 0xE7, 0x8D, 0x05, 0xE7, 0x90, 0xA3, 0x98, 0xDF, 0x96, 0x90,
 	0xDD, 0xA6, 0x82, 0x9D, 0xD4, 0xD0, 0xD1, 0x98, 0x02, 0x06, 0x0C, 0xB0, 0x72, 0xB5, 0x20, 0x96,
 	0x87, 0x16, 0x32, 0x6C, 0xE9, 0xD2, 0x25, 0xE3, 0x85, 0x8E, 0x5E, 0x1D, 0x30, 0x6C, 0x08, 0xC6,
+};
+static const char testanim_p7[] = {
 	0xEA, 0x40, 0x83, 0x03, 0x19, 0x1A, 0x28, 0x1B, 0xD0, 0x60, 0x9A, 0xB2, 0x4D, 0x04, 0x04, 0x39,
 	0xF3, 0x64, 0xA9, 0x94, 0xB7, 0x7D, 0xFB, 0xB6, 0xA9, 0x9C, 0x00, 0xCF, 0x54, 0x3E, 0x70, 0x88,
 	0x06, 0x88, 0x73, 0x34, 0x80, 0x82, 0x0A, 0x46, 0x88, 0x2A, 0x35, 0x6A, 0xC4, 0xA8, 0x52, 0x24,
@@ -453,6 +465,8 @@ static const unsigned char testanim[] = {
 	0x01, 0x1F, 0x50, 0x50, 0x18, 0x09, 0x67, 0x9D, 0x03, 0x6B, 0xCF, 0x18, 0x8A, 0x4F, 0x4C, 0x51,
 	0x8C, 0x59, 0x80, 0xC0, 0x00, 0x64, 0xAA, 0x8F, 0x04, 0x2C, 0x00, 0x9F, 0x5C, 0x60, 0x60, 0x65,
 	0x35, 0x78, 0x48, 0x69, 0x3A, 0xD0, 0x82, 0x91, 0x6D, 0x20, 0x22, 0x4F, 0xEC, 0x00, 0xA8, 0xD4,
+};
+static const char testanim_p8[] = {
 	0xA2, 0x23, 0x5A, 0xE1, 0x26, 0x47, 0xC9, 0x23, 0x89, 0x63, 0x46, 0x32, 0x80, 0xB2, 0x64, 0x69,
 	0x50, 0xF9, 0xE8, 0x4E, 0x27, 0xCA, 0xE1, 0x38, 0x14, 0xDE, 0x30, 0x02, 0xD2, 0xB2, 0x10, 0x00,
 	0x70, 0xF7, 0xB3, 0xEA, 0xF0, 0xA5, 0x12, 0x56, 0xB2, 0xC4, 0x8E, 0xB2, 0x36, 0x94, 0x4C, 0xD1,
@@ -517,6 +531,8 @@ static const unsigned char testanim[] = {
 	0x12, 0x42, 0x3C, 0x6C, 0xF3, 0x51, 0x92, 0x20, 0x33, 0x82, 0x42, 0x68, 0xB4, 0xB0, 0xD5, 0x68,
 	0x40, 0xA2, 0x1A, 0x21, 0x87, 0x78, 0x80, 0x11, 0xD4, 0x18, 0xCC, 0x5C, 0x46, 0x80, 0xB4, 0xD0,
 	0x90, 0x40, 0xD2, 0x82, 0x1A, 0xDB, 0x2E, 0xCC, 0x33, 0xC2, 0x52, 0xC6, 0x0F, 0x5C, 0x32, 0x6A,
+};
+static const char testanim_p9[] = {
 	0x0C, 0x01, 0xE2, 0xA3, 0x05, 0x86, 0x0E, 0x92, 0x0E, 0x90, 0x78, 0x61, 0x61, 0xC1, 0x0B, 0x1B,
 	0xFE, 0x2F, 0x3C, 0xD1, 0x20, 0x08, 0xE4, 0xE3, 0x8F, 0x17, 0x35, 0x6A, 0xB4, 0x70, 0x61, 0xD5,
 	0xC8, 0x82, 0xBF, 0x5C, 0x49, 0xB8, 0xF0, 0xF1, 0x71, 0x88, 0x8C, 0x8F, 0x3E, 0x78, 0x1A, 0x21,
@@ -565,3 +581,9 @@ static const unsigned char testanim[] = {
 	0xD7, 0x82, 0xFC, 0x87, 0xAE, 0x20, 0x04, 0x10, 0xA0, 0x48, 0xA0, 0x86, 0xCC, 0x05, 0x0C, 0x30,
 	0x87, 0x2C, 0x38, 0x88, 0xED, 0x86, 0x04, 0x02, 0x00, 0x3B,
 };
+
+#ifdef ROMFS_DIRENTRY_HEAD
+	static const ROMFS_DIRENTRY testanim_dir = { 0, 0, ROMFS_DIRENTRY_HEAD, "testanim.gif", 8938, testanim };
+	#undef ROMFS_DIRENTRY_HEAD
+	#define ROMFS_DIRENTRY_HEAD &testanim_dir
+#endif
diff --git a/demos/modules/gwin/widgets/gfxconf.h b/demos/modules/gwin/widgets/gfxconf.h
index b536de4c..60de8d8b 100644
--- a/demos/modules/gwin/widgets/gfxconf.h
+++ b/demos/modules/gwin/widgets/gfxconf.h
@@ -81,7 +81,8 @@
 
 /* Features for the GFILE subsystem. */
 #define GFX_USE_GFILE				TRUE
-#define GFILE_NEED_MEMFS			TRUE
+#define GFILE_NEED_ROMFS			TRUE
+//#define GFILE_NEED_NATIVEFS			TRUE
 
 /* Features for the GINPUT subsystem. */
 #define GINPUT_NEED_MOUSE		TRUE
diff --git a/demos/modules/gwin/widgets/main.c b/demos/modules/gwin/widgets/main.c
index 80c39dd9..7c06f3bf 100644
--- a/demos/modules/gwin/widgets/main.c
+++ b/demos/modules/gwin/widgets/main.c
@@ -28,16 +28,19 @@
 
 #include "gfx.h"
 
-// include our chibios logo in a .gif format
-#include "image_chibios.h"
-#include "image_yesno.h"
-
 /**
  * This demo demonstrates many of the GWIN widgets.
  * On the "Radio" tab try playing with the color radio buttons.
  * On the "Checkbox" tab try playing with the "Disable All" checkbox.
  */
 
+/**
+ * The image files must be stored on a GFILE file-system.
+ * Use either GFILE_NEED_NATIVEFS or GFILE_NEED_ROMFS (or both).
+ *
+ * The ROMFS uses the file "romfs_files.h" to describe the set of files in the ROMFS.
+ */
+
 /* Our custom yellow style */
 static const GWidgetStyle YellowWidgetStyle = {
 	Yellow,							// window background
@@ -184,14 +187,14 @@ static void createWidgets(void) {
 	wi.g.x = 0+2*(LIST_WIDTH+1); wi.text = "L3"; ghList3 = gwinListCreate(0, &wi, TRUE);
 	gwinListAddItem(ghList3, "Item 0", FALSE);	gwinListAddItem(ghList3, "Item 1", FALSE);
 	gwinListAddItem(ghList3, "Item 2", FALSE);	gwinListAddItem(ghList3, "Item 3", FALSE);
-	gdispImageOpenMemory(&imgYesNo, image_yesno);
+	gdispImageOpenFile(&imgYesNo, "image_yesno.gif");
 	gwinListItemSetImage(ghList3, 1, &imgYesNo);
 	gwinListItemSetImage(ghList3, 3, &imgYesNo);
 
 	// Image
 	wi.g.x = ScrWidth-210; wi.g.y = TAB_HEIGHT + 10; wi.g.width = 200; wi.g.height = 200;
 	ghImage1 = gwinImageCreate(0, &wi.g);
-	gwinImageOpenMemory(ghImage1, image_chibios);
+	gwinImageOpenFile(ghImage1, "chibios.bmp");
 	gwinImageCache(ghImage1);
 
 	// Console - we apply some special colors before making it visible
diff --git a/demos/modules/gwin/widgets/romfs_files.h b/demos/modules/gwin/widgets/romfs_files.h
new file mode 100644
index 00000000..b503765d
--- /dev/null
+++ b/demos/modules/gwin/widgets/romfs_files.h
@@ -0,0 +1,8 @@
+/**
+ * This file contains the list of files for the ROMFS.
+ *
+ * The files have been converted using...
+ * 		file2c -dbcs infile outfile
+ */
+#include "romfs_img_chibios.h"
+#include "romfs_img_yesno.h"
diff --git a/demos/modules/gwin/widgets/image_chibios.h b/demos/modules/gwin/widgets/romfs_img_chibios.h
similarity index 99%
rename from demos/modules/gwin/widgets/image_chibios.h
rename to demos/modules/gwin/widgets/romfs_img_chibios.h
index a052395f..14007610 100644
--- a/demos/modules/gwin/widgets/image_chibios.h
+++ b/demos/modules/gwin/widgets/romfs_img_chibios.h
@@ -1,4 +1,4 @@
-static const unsigned char image_chibios[] = {
+static const char image_chibios[] = {
 	0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x74, 0x00, 0x74, 0x00, 0xE7, 0xFE, 0x00, 0x08, 0x07, 0x02,
 	0x00, 0x0A, 0x03, 0x08, 0x07, 0x0E, 0x05, 0x0D, 0x00, 0x00, 0x11, 0x02, 0x03, 0x16, 0x01, 0x09,
 	0x15, 0x00, 0x00, 0x19, 0x03, 0x14, 0x16, 0x06, 0x00, 0x1D, 0x02, 0x07, 0x1C, 0x01, 0x0F, 0x1A,
@@ -635,3 +635,9 @@ static const unsigned char image_chibios[] = {
 	0xE0, 0x3F, 0x62, 0xE0, 0x07, 0x86, 0xE0, 0x08, 0x96, 0xE0, 0x09, 0xA6, 0xE0, 0x0A, 0xB6, 0xE0,
 	0x0B, 0xC6, 0x60, 0xF0, 0x08, 0x08, 0x00, 0x3B,
 };
+
+#ifdef ROMFS_DIRENTRY_HEAD
+	static const ROMFS_DIRENTRY image_chibios_dir = { 0, 0, ROMFS_DIRENTRY_HEAD, "chibios.bmp", 634*16+8, image_chibios };
+	#undef ROMFS_DIRENTRY_HEAD
+	#define ROMFS_DIRENTRY_HEAD &image_chibios_dir
+#endif
diff --git a/demos/modules/gwin/widgets/image_yesno.h b/demos/modules/gwin/widgets/romfs_img_yesno.h
similarity index 77%
rename from demos/modules/gwin/widgets/image_yesno.h
rename to demos/modules/gwin/widgets/romfs_img_yesno.h
index c3150ea7..0559330e 100644
--- a/demos/modules/gwin/widgets/image_yesno.h
+++ b/demos/modules/gwin/widgets/romfs_img_yesno.h
@@ -1,10 +1,10 @@
 /**
- * This file was generated from "yesno.gif" using...
+ * This file was generated from "image_yesno.gif" using...
  *
- *	file2c -bcs image_yesno.gif image_yesno.h
+ *	file2c -bbcs image_yesno.gif romfs_img_yesno.h
  *
  */
-static const unsigned char image_yesno[] = {
+static const char image_yesno[] = {
 	0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x0B, 0x00, 0x2C, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0xC6, 0x00, 0xC6, 0xFF, 0xC6, 0xCE, 0xFF, 0xCE, 0xFF, 0x08, 0x18, 0xFF, 0xCE, 0xDE, 0xFF,
 	0xDE, 0xDE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
@@ -19,3 +19,9 @@ static const unsigned char image_yesno[] = {
 	0x05, 0x35, 0x81, 0x84, 0x86, 0x83, 0x14, 0x8B, 0x07, 0x86, 0x79, 0x8F, 0x82, 0x8F, 0x8E, 0x17,
 	0x8E, 0x62, 0x8B, 0x8C, 0x8A, 0x87, 0x05, 0x11, 0x00, 0x3B,
 };
+
+#ifdef ROMFS_DIRENTRY_HEAD
+	static const ROMFS_DIRENTRY image_yesno_dir = { 0, 0, ROMFS_DIRENTRY_HEAD, "image_yesno.gif", 202, image_yesno };
+	#undef ROMFS_DIRENTRY_HEAD
+	#define ROMFS_DIRENTRY_HEAD &image_yesno_dir
+#endif