public static void RRF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = (byte)(Data.GetRegister(Data.AddressResolution(f)) >> 1);
//Add carry bit if flag is set
if (Data.GetRegisterBit(Data.Registers.STATUS, Data.Flags.Status.C))
{
result += 128;
}
//Set carry flag for current calculation
if ((Data.GetRegister(Data.AddressResolution(f)) & 1) == 1)
{
Data.SetRegisterBit(Data.Registers.STATUS, Data.Flags.Status.C, true);
}
else
{
Data.SetRegisterBit(Data.Registers.STATUS, Data.Flags.Status.C, false);
}
DirectionalWrite(d, f, result);
}
/// <summary>
/// Refreshes data for all UI elements BUT the file register view
/// </summary>
public void UpdateUIWithoutFileRegister()
{
View.TrisA = new ObservableCollection <bool>(Data.ByteToBoolArray(Data.GetRegister(Data.Registers.TRISA)));
View.TrisB = new ObservableCollection <bool>(Data.ByteToBoolArray(Data.GetRegister(Data.Registers.TRISB)));
View.PortA = new ObservableCollection <bool>(Data.ByteToBoolArray(Data.GetRegister(Data.Registers.PORTA)));
View.PortB = new ObservableCollection <bool>(Data.ByteToBoolArray(Data.GetRegister(Data.Registers.PORTB)));
View.TrisA.CollectionChanged += new NotifyCollectionChangedEventHandler(TrisAChanged);
View.TrisB.CollectionChanged += new NotifyCollectionChangedEventHandler(TrisBChanged);
View.PortA.CollectionChanged += new NotifyCollectionChangedEventHandler(PortAChanged);
View.PortB.CollectionChanged += new NotifyCollectionChangedEventHandler(PortBChanged);
View.Status = new ObservableCollection <string>(Data.ByteToStringArray(Data.GetRegister(Data.Registers.STATUS)));
View.Option = new ObservableCollection <string>(Data.ByteToStringArray(Data.GetRegister(Data.Registers.OPTION)));
View.Intcon = new ObservableCollection <string>(Data.ByteToStringArray(Data.GetRegister(Data.Registers.INTCON)));
View.StackDisplay = new ObservableCollection <string>(Data.GetStack().Select(x => x.ToString("D4")).ToArray());
View.SFRValues[0] = Data.GetRegisterW().ToString("X2");
View.SFRValues[1] = Data.GetRegister(Data.Registers.PCL).ToString("X2");
View.SFRValues[2] = Data.GetRegister(Data.Registers.PCLATH).ToString("X2");
View.SFRValues[3] = Data.GetPC().ToString("D2");
View.SFRValues[4] = Data.GetRegister(Data.Registers.STATUS).ToString("X2");
View.SFRValues[5] = Data.GetRegister(Data.Registers.FSR).ToString("X2");
View.SFRValues[6] = Data.GetRegister(Data.Registers.OPTION).ToString("X2");
View.SFRValues[7] = Data.GetRegister(Data.Registers.TMR0).ToString("X2");
View.SFRValues[8] = "1:" + Data.GetPrePostscalerRatio();
if (Data.GetRegisterBit(Data.Registers.OPTION, Data.Flags.Option.PSA))
{
View.PrePostScalerText = "Postscaler"; //Postscaler assigned to WDT
}
else
{
View.PrePostScalerText = "Prescaler"; //Prescaler assigned to TMR0
}
if (StepTimer.Enabled)
{
View.StartStopButtonText = "Stop";
}
else
{
View.StartStopButtonText = "Start";
}
if (Data.GetPC() < Data.GetProgram().Count)
{
View.SFRValues[9] = Data.InstructionLookup(Data.GetProgram()[Data.GetPC()]).ToString();
}
else
{
View.SFRValues[9] = "N/A";
}
View.Runtime = Data.GetRuntime();
View.Watchdog = Data.GetWatchdog();
if (SourceFile != null)
{
HighlightSourceLine(Data.GetPC());
}
}
public static void SWAPF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = (byte)((Data.GetRegister(Data.AddressResolution(f)) & 0x0F) << 4 | (Data.GetRegister(Data.AddressResolution(f)) & 0xF0) >> 4);;
DirectionalWrite(d, f, result);
}
public static void SUBWF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = BitwiseSubstract(Data.GetRegister(Data.AddressResolution(f)), Data.GetRegisterW());
DirectionalWrite(d, f, result);
}
public static void ANDWF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = (byte)(Data.GetRegisterW() & Data.GetRegister(Data.AddressResolution(f)));
DirectionalWrite(d, f, result);
}
public static void INCF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = (byte)(Data.GetRegister(Data.AddressResolution(f)) + 1);
CheckZFlag(result);
DirectionalWrite(d, f, result);
}
public static void GOTO(Data.Command com)
{
byte k1 = com.GetLowByte();
byte k2 = (byte)(com.GetHighByte() & 7);
byte merge = (byte)((Data.GetRegister(Data.Registers.PCLATH) & 24) + k2);
Data.SetPCFromBytes(merge, k1);
Data.SetPCLfromPC();
SkipCycle();
}
public static void MOVF(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
CheckZFlag(Data.GetRegister(Data.AddressResolution(f)));
if (d != 128)
{
Data.SetRegisterW(Data.GetRegister(Data.AddressResolution(f)));
}
}
public static void INCFSZ(Data.Command com)
{
byte d = (byte)(com.GetLowByte() & 128);
byte f = (byte)(com.GetLowByte() & 127);
byte result = (byte)(Data.GetRegister(Data.AddressResolution(f)) + 1);
if (result == 0)
{
Data.IncPC();
SkipCycle();
}
DirectionalWrite(d, f, result);
}