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Use unspread_bits for FM and MFM decoding.

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This commit is contained in:
Thomas Harte 2021-10-12 15:18:50 -07:00
parent 955cb6411c
commit 8960f471a0
1 changed files with 3 additions and 9 deletions
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12
Storage/Disk/Encodings/MFM/Shifter.cpp
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@ -9,6 +9,8 @@
#include "Shifter.hpp"
#include "Constants.hpp"
#include "../../../../Numeric/BitSpread.hpp"
using namespace Storage::Encodings::MFM;
Shifter::Shifter() : owned_crc_generator_(new CRC::CCITT()), crc_generator_(owned_crc_generator_.get()) {}
@ -122,13 +124,5 @@ void Shifter::add_input_bit(int value) {
}
uint8_t Shifter::get_byte() const {
return uint8_t(
((shift_register_ & 0x0001) >> 0) |
((shift_register_ & 0x0004) >> 1) |
((shift_register_ & 0x0010) >> 2) |
((shift_register_ & 0x0040) >> 3) |
((shift_register_ & 0x0100) >> 4) |
((shift_register_ & 0x0400) >> 5) |
((shift_register_ & 0x1000) >> 6) |
((shift_register_ & 0x4000) >> 7));
return Numeric::unspread_bits(uint16_t(shift_register_));
}