/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.OperandCount == 0)
{
// TODO:
//emitter.EmitBranch(LabelCall, context.BranchTargets[0]);
return;
}
Operand destinationOperand = context.Operand1;
SymbolOperand destinationSymbol = destinationOperand as SymbolOperand;
if (destinationSymbol != null)
{
emitter.Call(destinationSymbol);
}
else
{
if (destinationOperand is MemoryOperand)
{
//RegisterOperand register = destinationOperand as RegisterOperand;
//emitter.EmitSingleRegisterInstructions(0x11, (byte)register.Register.RegisterCode);
MemoryOperand memory = destinationOperand as MemoryOperand;
emitter.EmitRegisterOperandWithK16(0x101, (byte)memory.Base.RegisterCode, (ushort)memory.Offset);
}
}
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result.IsCPURegister && context.Operand1.IsConstant)
{
int value = 0;
if (IsConstantBetween(context.Operand1, 0, 65535, out value))
{
emitter.EmitRegisterOperandWithK16(0xA1, (byte)context.Result.Register.RegisterCode, (ushort)value);
}
else
throw new OverflowException();
}
else
throw new Exception("Not supported combination of operands");
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result is RegisterOperand && context.Operand1 is ConstantOperand)
{
RegisterOperand destination = context.Result as RegisterOperand;
ConstantOperand immediate = context.Operand1 as ConstantOperand;
int value = 0;
if (IsConstantBetween(immediate, 0, 65535, out value))
{
emitter.EmitRegisterOperandWithK16(0xA1, (byte)destination.Register.RegisterCode, (ushort)value);
}
else
throw new OverflowException();
}
else
throw new Exception("Not supported combination of operands");
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.OperandCount == 0)
{
// TODO:
//emitter.EmitBranch(LabelCall, context.BranchTargets[0]);
return;
}
if (context.Operand1.IsSymbol)
{
emitter.Call(context.Operand1);
}
else
{
if (context.Operand1.IsMemoryAddress)
{
emitter.EmitRegisterOperandWithK16(0x101, (byte)context.Operand1.Base.RegisterCode, (ushort)context.Operand1.Offset);
}
}
}
