diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index a47a60f..c63c6f6 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -147,13 +147,16 @@ Result dump_rom( u32 size )
 	u32 len;
 	for( u8 *p=ROM_LOC; size > 0; size-=len, p+=len )
 	{
-		res = fWrite( file, p, 512, &len );
+		res = fWrite( file, p, 256, &len );
 		if( res != RES_OK )
 			break;
 
 		res = fSync( file );
 		if( res != RES_OK)
 			break;
+		
+		if( (p-ROM_LOC) % 4096 == 0)
+			ee_printf("remain %d bytes to save.\n")
 	}
 	fClose( file );