public object TryLookup(
CodeContext mode, ImmutableLegacyPrefixList legacyPrefixes, Xex xex, byte opcode,
out bool hasModRM, out int immediateSizeInBytes)
{
hasModRM = false;
immediateSizeInBytes = 0;
NasmInsnsEntry match = null;
foreach (var entry in entries)
{
bool entryHasModRM;
int entryImmediateSize;
if (entry.Match(mode.GetDefaultAddressSize(), legacyPrefixes, xex, opcode, out entryHasModRM, out entryImmediateSize))
{
if (match != null)
{
// If we match multiple, we should have the same response for each
if (entryHasModRM != hasModRM) return false;
if (entryImmediateSize != immediateSizeInBytes) return false;
}
hasModRM = entryHasModRM;
immediateSizeInBytes = entryImmediateSize;
match = entry;
}
}
return match;
}
public static EffectiveAddress FromEncoding(CodeContext decodingMode, Encoding encoding) => FromEncoding(decodingMode.GetDefaultAddressSize(), encoding);