public static ulong SetSlice(this IBitString bits, int from, int to, ulong val)
{
ulong mask = (~0uL << to) & (~0uL >> (63 - from));
return
// Clear bits
((bits.Value & ~mask)
// Set bits
| ((val << to) & mask));
}
public static bitN SliceN(this IBitString bits, int from, int to)
{
ulong val = bits.Slice(from, to);
return(bitN.OfValue(val, to - from + 1));
}
/// NOTE v[m:l] -> m is MSB, L is LSB, LSB starts at 0 e.g. 0xF0[7:4]=0x0F; 0xF0[3:0]=0x00
public static ulong Slice(this IBitString bits, int from, int to)
{
return((bits.Value >> (bits.BitWidth - to)) & ~(~0uL << (to - from + 1)));
}
