public void Dispatch(Cpu8086 cpu, OpCodeManager.Instruction instruction)
{
var port = InstructionHelper.GetInstructionValue(cpu, instruction.Flag, instruction.SegmentPrefix, instruction.Argument2, instruction.Argument2Value, instruction.Argument2Displacement);
var device = cpu.GetPortDevice(port);
if (device == null)
{
throw new InvalidOperationException($"Tried to read from port 0x{port.ToString("X")}");
}
if (instruction.Flag.Has(OpCodeManager.OpCodeFlag.Size8))
{
cpu.SetRegister(Register.AL, device.Read(port));
//Console.WriteLine($"IN {port.ToString("X")}:{cpu.GetRegister(Register.AL).ToString("X")}");
}
else
{
cpu.SetRegister(Register.AX, device.Read16(port));
}
}
public void Dispatch(Cpu8086 cpu, OpCodeManager.Instruction instruction)
{
var port = InstructionHelper.GetInstructionValue(cpu, instruction.Flag, instruction.SegmentPrefix, instruction.Argument1, instruction.Argument1Value, instruction.Argument1Displacement);
var device = cpu.GetPortDevice(port);
if (device == null)
{
throw new InvalidOperationException($"Tried to write to port 0x{port.ToString("X")}");
}
if (instruction.Flag.Has(OpCodeManager.OpCodeFlag.Size8))
{
//Console.WriteLine($"OUT {port.ToString("X")}:{cpu.GetRegister(Register.AL).ToString("X")}");
device.Write(port, (byte)cpu.GetRegister(Register.AL));
}
else
{
device.Write16(port, cpu.GetRegister(Register.AX));
}
}
