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Minor change to the PRN for VW mode.

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This commit is contained in:
Jonathan Naylor
2016-04-26 10:38:17 +01:00
parent 18cef90949
commit 2a3fa94a6c
1 changed files with 2 additions and 2 deletions
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4
AMBEFEC.cpp
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@@ -657,7 +657,7 @@ unsigned int CAMBEFEC::regenerateYSF3(unsigned char* bytes) const
prn = (prn << 1) | (temp[i] ? 0x01U : 0x00U);
prn <<= 4;
for (unsigned int i = 23U; i < 137U; i++) {
prn = (unsigned short)((173U * prn) + 13849U);
prn = ((173U * prn) + 13849U) & 0xFFFFU;
temp[i] ^= (prn & 0x80U) == 0x80U;
}
@@ -714,7 +714,7 @@ unsigned int CAMBEFEC::regenerateYSF3(unsigned char* bytes) const
prn = (prn << 1) | (temp[i] ? 0x01U : 0x00U);
prn <<= 4;
for (unsigned int i = 23U; i < 137U; i++) {
prn = (unsigned short)((173U * prn) + 13849U);
prn = ((173U * prn) + 13849U) & 0xFFFFU;
temp[i] ^= (prn & 0x80U) == 0x80U;
}