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Attempted, at least, to insert a dummy byte as per the specification.

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This commit is contained in:
Thomas Harte 2016-09-06 21:51:04 -04:00
parent bdebc18e0a
commit d7d5f24aab
1 changed files with 31 additions and 2 deletions
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33
Storage/Tape/Formats/TapeUEF.cpp
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@ -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:
{