diff --git a/Machines/Commodore/1540/C1540.cpp b/Machines/Commodore/1540/C1540.cpp
index fe1f80bd6..9f2cb4aa5 100644
--- a/Machines/Commodore/1540/C1540.cpp
+++ b/Machines/Commodore/1540/C1540.cpp
@@ -116,6 +116,14 @@ void Machine::mos6522_did_change_interrupt_status(void *mos6522)
 void Machine::process_input_bit(int value, unsigned int cycles_since_index_hole)
 {
 	_shift_register = (_shift_register >> 1) | (value << 10);
+
+	static int bitCount = 0;
+	bitCount++;
+	if(bitCount == 8)
+	{
+		printf("%02x.", _shift_register&0xff);
+		bitCount = 0;
+	}
 }
 
 // the 1540 does not recognise index holes
diff --git a/Storage/Disk/DiskDrive.cpp b/Storage/Disk/DiskDrive.cpp
index 1a98abe57..ee5f5b298 100644
--- a/Storage/Disk/DiskDrive.cpp
+++ b/Storage/Disk/DiskDrive.cpp
@@ -26,6 +26,7 @@ void DiskDrive::set_expected_bit_length(Time bit_length)
 	// account of in rotation speed, air turbulence, etc, so a direct conversion will do
 	int clocks_per_bit = (int)((bit_length.length * _clock_rate) / bit_length.clock_rate);
 	_pll.reset(new DigitalPhaseLockedLoop(clocks_per_bit, clocks_per_bit / 5, 3));
+	_pll->set_delegate(this);
 }
 
 void DiskDrive::set_disk(std::shared_ptr<Disk> disk)
@@ -61,7 +62,8 @@ void DiskDrive::run_for_cycles(int number_of_cycles)
 {
 	if(has_disk())
 	{
-		_cycles_since_index_hole += number_of_cycles;
+		_cycles_since_index_hole += (unsigned int)number_of_cycles;
+		_pll->run_for_cycles(number_of_cycles);
 		TimedEventLoop::run_for_cycles(number_of_cycles);
 	}
 }