// Add an instruction definition
public void AddInstructionDefinition(int imm, InstructionDefinition definition)
{
// All variations must have the same length
if (_immVariations.Count == 0)
{
Length = definition.Length;
}
else
{
System.Diagnostics.Debug.Assert(Length == definition.Length);
}
if (!_immVariations.ContainsKey(imm))
{
_immVariations.Add(imm, definition);
}
}
// Add an instruction to the set of available instructions
static void AddInstruction(InstructionDefinition instruction)
{
// Prepare the instruction
instruction.Prepare();
// Get it's key, replacing operand placeholders with '?'
int? immValue;
string key = KeyOfMnemonic(instruction.mnemonic, out immValue);
// Get the existing instruction
Instruction existing;
_opMap.TryGetValue(key, out existing);
// Does it need to go into an instruction group?
if (immValue.HasValue)
{
if (existing != null)
{
// Use existing group
var group = existing as InstructionGroup;
if (group == null)
{
throw new InvalidOperationException("Internal error: instruction overloaded with typed imm and bit imm");
}
group.AddInstructionDefinition(immValue.Value, instruction);
}
else
{
// Create new instruction group
var group = new InstructionGroup();
group.mnemonic = key;
group.AddInstructionDefinition(immValue.Value, instruction);
_opMap.Add(key, group);
}
}
else
{
if (existing != null)
{
if (existing is InstructionGroup)
{
throw new InvalidOperationException("Internal error: instruction overloaded with typed imm and bit imm");
}
/*
* if (existing.opCode.mnemonic != instruction.opCode.mnemonic)
* {
* Console.WriteLine("Arg overload: {0}", instruction.opCode.mnemonic);
* }
* else
* {
* Console.WriteLine("Duplicate mnemonic: {0}", instruction.opCode.mnemonic);
* }
*/
}
else
{
_opMap.Add(key, instruction);
}
}
}