diff --git a/avr/usbload/Makefile b/avr/usbload/Makefile
index 55cc2a8..9d293eb 100644
--- a/avr/usbload/Makefile
+++ b/avr/usbload/Makefile
@@ -91,7 +91,7 @@ usbdrv:
 	cp -r ../../../usbdrv .
 
 main.elf: usbdrv $(OBJECTS)	# usbdrv dependency only needed because we copy it
-	$(COMPILE) -o main.elf $(OBJECTS)
+	$(COMPILE) -o main.elf $(OBJECTS) -Wl,-u,vfprintf -lprintf_flt
 
 main.hex: main.elf
 	rm -f main.hex main.eep.hex
diff --git a/avr/usbload/commandline/snesuploader b/avr/usbload/commandline/snesuploader
index 3281c6b..d2c6b90 100755
Binary files a/avr/usbload/commandline/snesuploader and b/avr/usbload/commandline/snesuploader differ
diff --git a/avr/usbload/commandline/snesuploader.c b/avr/usbload/commandline/snesuploader.c
index a636955..83789c5 100644
--- a/avr/usbload/commandline/snesuploader.c
+++ b/avr/usbload/commandline/snesuploader.c
@@ -24,7 +24,9 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
+#include <sys/stat.h>
 #include <usb.h>                /* this is libusb */
+
 #include "opendevice.h"         /* common code moved to separate module */
 
 #include "../requests.h"        /* custom request numbers */
@@ -129,6 +131,9 @@ int main(int argc, char **argv)
     uint16_t step = 0;
     uint16_t crc = 0;
     uint8_t bank = 0;
+    uint8_t bank_cnt = 0;
+    uint32_t file_size = 0;
+    struct stat st;
     
     FILE *fp;
     usb_init();
@@ -164,13 +169,20 @@ int main(int argc, char **argv)
             fprintf(stderr, "Cannot open file %s ", argv[2]);
             exit(1);
         }
+        
+        fseek (fp, 0, SEEK_END);
+        file_size = ftell (fp);
+        fseek (fp, 0, SEEK_SET);
+        bank_cnt = file_size / BANK_SIZE;
+        printf("Transfer '%s' %i Bytes, %i Banks\n",argv[2],file_size,bank_cnt);
+            
         read_buffer = (unsigned char *) malloc(READ_BUFFER_SIZE);
         crc_buffer = (unsigned char *) malloc(0x1000);
         memset(crc_buffer, 0, 0x1000);
         addr = 0x000000;
         cnt = usb_control_msg(handle,
                         USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT,
-                        USB_BULK_UPLOAD_INIT, BANK_SIZE_SHIFT , 0, NULL, 0, 5000);
+                        USB_BULK_UPLOAD_INIT, BANK_SIZE_SHIFT , bank_cnt, NULL, 0, 5000);
 
         if (cnt < 0) {
             fprintf(stderr, "USB error: %s\n", usb_strerror());
diff --git a/avr/usbload/main.c b/avr/usbload/main.c
index 3932f1d..7ac2f79 100644
--- a/avr/usbload/main.c
+++ b/avr/usbload/main.c
@@ -23,9 +23,11 @@ uint8_t debug_level = ( DEBUG | DEBUG_USB | DEBUG_CRC );
 
 uint8_t read_buffer[TRANSFER_BUFFER_SIZE];
 uint32_t req_addr = 0;
+uint32_t req_addr_end = 0;
 uint32_t req_size;
 uint8_t req_bank;
 uint16_t req_bank_size;
+uint16_t req_bank_cnt;
 uint8_t req_state = REQ_STATUS_IDLE;
 uint8_t rx_remaining = 0;
 uint8_t tx_remaining = 0;
@@ -108,10 +110,14 @@ usbMsgLen_t usbFunctionSetup(uchar data[8])
         req_bank = 0;
         rx_remaining = 0;
         req_bank_size = (1 << rq->wValue.word) & 0xffff;
+        req_bank_cnt = rq->wIndex.word;
+        req_addr_end =  (uint32_t)req_bank_size * req_bank_cnt;
+        
         sync_errors = 0;
-        debug(DEBUG_USB,"USB_BULK_UPLOAD_INIT: bank_size=0x%x\n", req_bank_size);
+        debug(DEBUG_USB,"USB_BULK_UPLOAD_INIT: bank_size=0x%x bank_cnt=0x%x end_addr=0x%08lx\n", 
+                req_bank_size, req_bank_cnt, req_addr_end);
+        
         if (req_addr == 0x000000){
-            debug(DEBUG_USB,"USB_BULK_UPLOAD_INIT: timer_start\n");
             timer_start();
         }
 /*
@@ -127,7 +133,7 @@ usbMsgLen_t usbFunctionSetup(uchar data[8])
         rx_remaining = rq->wLength.word;
             
         if (req_addr && req_addr % req_bank_size == 0) {
-            debug(DEBUG_USB,"USB_BULK_UPLOAD_ADDR: req_bank=0x%02x addr= 0x%08lx time=%i\n",
+            debug(DEBUG_USB,"USB_BULK_UPLOAD_ADDR: req_bank=0x%02x addr= 0x%08lx time=%.4f\n",
                    req_bank, req_addr,timer_stop());
             req_bank++;
             timer_start();
@@ -316,6 +322,7 @@ int main(void)
         
     }
     led_on();
+    
     usbDeviceConnect();
     printf("USB connect\n");
 
@@ -332,7 +339,6 @@ int main(void)
     printf("Disable snes WR\n");
     snes_wr_disable(); 
     
-    
     sei();
     printf("USB poll\n");
     while (req_state != REQ_STATUS_BOOT){
@@ -343,9 +349,9 @@ int main(void)
     usbDeviceDisconnect();      
     printf("USB disconnect\n");
     
-    crc_check_bulk_memory(0x000000, 0x80000);
+    crc_check_bulk_memory(0x000000, req_addr_end);
     
-    //dump_memory(0x7f00,0x8000);
+    dump_memory(0x7f00,0x8000);
 
     printf("IRQ off\n");
     snes_irq_lo();
diff --git a/avr/usbload/timer.c b/avr/usbload/timer.c
index da6cc0b..70c5820 100644
--- a/avr/usbload/timer.c
+++ b/avr/usbload/timer.c
@@ -1,7 +1,10 @@
- 
+#include <stdint.h>
+#include <stdio.h>
+#include <avr/io.h> 
 #include <avr/io.h>
 #include <avr/interrupt.h>      /* for sei() */
- 
+
+#include "debug.h" 
  
 #ifndef OCR1A
     #define OCR1A OCR1  // 2313 support
@@ -53,10 +56,10 @@ void timer_start( void )
 
 }
 
-uint16_t timer_stop(void)
+double timer_stop(void)
 {
-    //cli();
-    return second;
+    double t = ((double)(DEBOUNCE - prescaler) / DEBOUNCE )  + second;
+    return t;
 }
 
 
diff --git a/avr/usbload/timer.h b/avr/usbload/timer.h
index 8f0df0b..7abeaf5 100644
--- a/avr/usbload/timer.h
+++ b/avr/usbload/timer.h
@@ -1,5 +1,5 @@
 
 
 uint16_t timer_start( void );
-uint16_t timer_stop( void );
+double timer_stop( void );