libicsneo/disk/vsa/vsa06.cpp

25 lines
784 B
C++

#include "icsneo/disk/vsa/vsa06.h"
using namespace icsneo;
VSA06::VSA06(uint8_t* const recordBytes)
: VSA()
{
setType(VSA::Type::AA06);
savedSectors.insert(savedSectors.end(), reinterpret_cast<uint32_t*>(recordBytes + 2), reinterpret_cast<uint32_t*>(recordBytes + 18));
error = *reinterpret_cast<uint16_t*>(recordBytes + 18);
savedSectorsHigh = *reinterpret_cast<uint16_t*>(recordBytes + 20);
timestamp = *reinterpret_cast<uint64_t*>(recordBytes + 22) & UINT63_MAX;
checksum = *reinterpret_cast<uint16_t*>(recordBytes + 30);
doChecksum(recordBytes);
}
void VSA06::doChecksum(uint8_t* recordBytes)
{
uint16_t* words = reinterpret_cast<uint16_t*>(recordBytes);
uint16_t sum = 0;
for(size_t i = 0; i < 15; i++) {
sum += words[i];
}
setChecksumFailed(sum != checksum);
}