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Attempted to ensure proper CRC generation for FM-format input.

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This commit is contained in:
Thomas Harte 2016-12-28 18:56:53 -05:00
parent 8cd1575891
commit 720b1e5802
1 changed files with 27 additions and 4 deletions
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31
Storage/Disk/Encodings/MFM.cpp
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@ -89,10 +89,33 @@ class FMEncoder: public Encoder {
)); ));
} }
void add_index_address_mark() { output_short(FMIndexAddressMark); } void add_index_address_mark()
void add_ID_address_mark() { output_short(FMIDAddressMark); } {
void add_data_address_mark() { output_short(FMDataAddressMark); } crc_generator_.reset();
void add_deleted_data_address_mark() { output_short(FMDeletedDataAddressMark); } crc_generator_.add(MFMIndexAddressByte);
output_short(FMIndexAddressMark);
}
void add_ID_address_mark()
{
crc_generator_.reset();
crc_generator_.add(MFMIDAddressByte);
output_short(FMIDAddressMark);
}
void add_data_address_mark()
{
crc_generator_.reset();
crc_generator_.add(MFMDataAddressByte);
output_short(FMDataAddressMark);
}
void add_deleted_data_address_mark()
{
crc_generator_.reset();
crc_generator_.add(MFMDeletedDataAddressByte);
output_short(FMDeletedDataAddressMark);
}
}; };
static uint8_t logarithmic_size_for_size(size_t size) static uint8_t logarithmic_size_for_size(size_t size)