From d7d5f24aab7da6be9c4a1fe70002f5c7ff037033 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Tue, 6 Sep 2016 21:51:04 -0400
Subject: [PATCH] Attempted, at least, to insert a dummy byte as per the
 specification.

---
 Storage/Tape/Formats/TapeUEF.cpp | 33 ++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/Storage/Tape/Formats/TapeUEF.cpp b/Storage/Tape/Formats/TapeUEF.cpp
index 7221e56fc..4db40f626 100644
--- a/Storage/Tape/Formats/TapeUEF.cpp
+++ b/Storage/Tape/Formats/TapeUEF.cpp
@@ -124,7 +124,36 @@ Storage::Tape::Tape::Pulse UEF::get_next_pulse()
 			_bit_position = (_bit_position+1)&(_current_bit ? 3 : 1);
 		break;
 
-		case 0x0111:	// TODO: insert dummy byte
+		case 0x0111:
+			if(_chunk_position < _high_tone_with_dummy.pre_length || _chunk_position >= _high_tone_with_dummy.pre_length+10)
+			{
+				next_pulse.type = (_bit_position&1) ? Pulse::High : Pulse::Low;
+				next_pulse.length.length = 1;
+				next_pulse.length.clock_rate = _time_base * 4;
+				_bit_position ^= 1;
+
+				if(!_bit_position) _chunk_position++;
+			}
+			else
+			{
+				// to output 0xaa: 0
+				if(!_bit_position)
+				{
+					_current_bit = (0x354 >> (_chunk_position - _high_tone_with_dummy.pre_length))&1;
+				}
+
+				next_pulse.type = (_bit_position&1) ? Pulse::High : Pulse::Low;
+				next_pulse.length.length = _current_bit ? 1 : 2;
+				next_pulse.length.clock_rate = _time_base * 4;
+				_bit_position = (_bit_position+1)&(_current_bit ? 3 : 1);
+
+				if(!_bit_position)
+				{
+					_chunk_position++;
+				}
+			}
+		break;
+
 		case 0x0110:
 			next_pulse.type = (_bit_position&1) ? Pulse::High : Pulse::Low;
 			next_pulse.length.length = 1;
@@ -303,7 +332,7 @@ bool UEF::get_next_bit()
 		}
 		break;
 
-		// TODO: 0x0104, 0x0111
+		// TODO: 0x0104
 
 		case 0x0114:
 		{