protected override void OnCellValueNeeded(DataGridViewCellValueEventArgs e)
{
if (e.RowIndex > _cp.MicrocodeRam.Length)
{
// Past end of microcode, nothing to do.
base.OnCellValueNeeded(e);
return;
}
switch (e.ColumnIndex)
{
case 0:
{
ushort address = (ushort)e.RowIndex;
e.Value = BreakpointManager.GetBreakpoint(BreakpointProcessor.CP, address) != BreakpointType.None;
}
break;
case 1:
e.Value = String.Format("{0:x3}", e.RowIndex);
break;
case 2:
e.Value = new Microinstruction(_cp.MicrocodeRam[e.RowIndex]).Disassemble(-1);
break;
default:
throw new InvalidOperationException("Unhandled column.");
}
base.OnCellValueNeeded(e);
}
protected override void OnCellValueChanged(DataGridViewCellEventArgs e)
{
if (e.RowIndex < 0 || e.RowIndex > _cp.MicrocodeRam.Length)
{
base.OnCellValueChanged(e);
return;
}
switch (e.ColumnIndex)
{
case 0: // breakpoint
{
// grab the check value
bool cellValue = (bool)this.Rows[e.RowIndex].Cells[e.ColumnIndex].EditedFormattedValue;
if (cellValue)
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(BreakpointProcessor.CP, BreakpointType.Execution, (ushort)e.RowIndex));
}
else
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(BreakpointProcessor.CP, BreakpointType.None, (ushort)e.RowIndex));
}
}
break;
}
base.OnCellValueChanged(e);
}
private bool StepCallbackMesa()
{
bool stopExecution = _singleStepMesa;
if (!_system.CP.IOPWait)
{
// Check for execution breakpoints
int mesaPC = ((((_system.CP.RH[5] & 0xf) << 16) | _system.CP.ALU.R[5]) << 1) | (_system.CP.PC16 ? 1 : 0);
if (BreakpointManager.TestBreakpoint(BreakpointProcessor.Mesa, BreakpointType.Execution, mesaPC))
{
BeginInvoke(new StatusDelegate(RefreshPostExecution), String.Format("* Mesa Execution breakpoint hit at PC=0x{0:x6} *", mesaPC));
stopExecution = true;
}
}
return(stopExecution);
}
protected override void OnCellValueNeeded(DataGridViewCellValueEventArgs e)
{
if (e.RowIndex > _source.Count)
{
// Past end of source, nothing to do.
return;
}
switch (e.ColumnIndex)
{
case 0:
{
ushort address = 0;
bool addressAvailable = _sourceMap != null?_sourceMap.GetAddressForSource(new SourceEntry(_currentSourceFile, new string[] { }, 0, e.RowIndex), out address) : false;
if (addressAvailable)
{
e.Value = BreakpointManager.GetBreakpoint(_iopCode ? BreakpointProcessor.IOP : BreakpointProcessor.CP, address) != BreakpointType.None;
}
else
{
e.Value = false; // TODO: hook to breakpoint system
}
}
break;
case 1:
{
ushort address = 0;
bool addressAvailable = _sourceMap != null?_sourceMap.GetAddressForSource(new SourceEntry(_currentSourceFile, new string[] { }, 0, e.RowIndex), out address) : false;
e.Value = addressAvailable ? String.Format("${0:x4}", address) : String.Empty;
}
break;
case 2:
e.Value = _source[e.RowIndex];
break;
default:
throw new InvalidOperationException("Unhandled column.");
}
base.OnCellValueNeeded(e);
}
private bool StepCallback8085()
{
bool stopExecution = _singleStepIOP;
// Check for execution breakpoints
if (BreakpointManager.TestBreakpoint(BreakpointProcessor.IOP, BreakpointType.Execution, _system.IOP.CPU.PC))
{
BeginInvoke(new StatusDelegate(RefreshPostExecution), String.Format("* IOP Execution breakpoint hit at PC=${0:x4} *", _system.IOP.CPU.PC));
stopExecution = true;
}
// IOP processor still running?
if (_system.IOP.CPU.Halted)
{
BeginInvoke(new StatusDelegate(RefreshPostExecution), String.Format("* 8085 halted at PC=${0:x4} *", _system.IOP.CPU.PC));
stopExecution = true;
}
return(stopExecution);
}
private bool StepCallbackCP()
{
bool stopExecution = false;
if (!_debugSpecificTask)
{
// Stop after every step
stopExecution = _singleStepCP;
}
else
{
//
// Stop only if the current task is the task we're debugging or we've exhausted our cycle count
// waiting for the task to wake up again.
//
_stepCount++;
stopExecution = _singleStepCP && (_system.CP.CurrentTask == _debugTask || _stepCount > 1000);
if (_stepCount > 1000)
{
BeginInvoke(new StatusDelegate(RefreshPostExecution), String.Format("Timeout waiting for task {0} to wake.", _debugTask));
}
}
if (!_system.CP.IOPWait)
{
// Check for execution breakpoints
int tpc = _system.CP.TPC[(int)_system.CP.CurrentTask];
if (BreakpointManager.TestBreakpoint(BreakpointProcessor.CP, BreakpointType.Execution, (ushort)tpc))
{
BeginInvoke(new StatusDelegate(RefreshPostExecution), String.Format("* CP Execution breakpoint hit at TPC=0x{0:x3} *", tpc));
stopExecution = true;
}
}
return(stopExecution);
}
protected override void OnCellValueChanged(DataGridViewCellEventArgs e)
{
if (e.RowIndex < 0 || e.RowIndex > _source.Count)
{
base.OnCellValueChanged(e);
return;
}
switch (e.ColumnIndex)
{
case 0: // breakpoint
{
// grab the check value
bool cellValue = (bool)this.Rows[e.RowIndex].Cells[e.ColumnIndex].EditedFormattedValue;
ushort address = 0;
bool addressAvailable = _sourceMap != null?_sourceMap.GetAddressForSource(new SourceEntry(_currentSourceFile, new string[] { }, 0, e.RowIndex), out address) : false;
if (addressAvailable)
{
if (cellValue)
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(_iopCode ? BreakpointProcessor.IOP : BreakpointProcessor.CP, BreakpointType.Execution, address));
}
else
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(_iopCode ? BreakpointProcessor.IOP : BreakpointProcessor.CP, BreakpointType.None, address));
}
}
}
break;
case 1: // address
{
string oldCellValue = ((string)this.Rows[e.RowIndex].Cells[e.ColumnIndex].Value).Trim();
string[] symbolTokens = ((string)this.Rows[e.RowIndex].Cells[e.ColumnIndex].EditedFormattedValue).Trim().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (symbolTokens.Length > 2)
{
MessageBox.Show("Invalid syntax.");
return;
}
if (oldCellValue.StartsWith("$"))
{
oldCellValue = oldCellValue.Substring(1);
}
if (symbolTokens.Length == 0)
{
// cell is empty, delete the current source map entry if present.
// TODO: use source map for this instead?
if (_sourceMap != null && !string.IsNullOrEmpty(oldCellValue))
{
ushort oldAddress = Convert.ToUInt16(oldCellValue, 16);
_sourceMap.RemoveSourceEntry(new SourceEntry(_currentSourceFile, new string[] { }, oldAddress, e.RowIndex));
}
return;
}
//
// Valid new cell value.
//
string cellValue = symbolTokens[0];
string symbolName = symbolTokens.Length == 2 ? symbolTokens[1] : "*none*";
// strip leading $ if any.
if (cellValue.StartsWith("$"))
{
cellValue = cellValue.Substring(1);
}
try
{
ushort address = Convert.ToUInt16(cellValue, 16);
ushort oldAddress = string.IsNullOrWhiteSpace(oldCellValue) ? (ushort)0 : Convert.ToUInt16(oldCellValue, 16);
if (_sourceMap != null && address != oldAddress)
{
//
// Set the new value first.
//
_sourceMap.AddSourceEntry(new SourceEntry(_currentSourceFile, new string[] { symbolName }, address, e.RowIndex));
//
// Remove the old value from the database if there is one.
//
if (!string.IsNullOrWhiteSpace(oldCellValue))
{
_sourceMap.RemoveSourceEntry(new SourceEntry(_currentSourceFile, new string[] { }, oldAddress, e.RowIndex));
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Hey!");
// Invalid value, clear it.
// this.Rows[e.RowIndex].Cells[e.ColumnIndex].Value = String.Empty;
}
}
break;
}
base.OnCellValueChanged(e);
}
private void ClearMesaBreakpoint(int address)
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(BreakpointProcessor.Mesa, BreakpointType.None, address));
}
private void SetMesaBreakpoint(int address)
{
BreakpointManager.SetBreakpoint(new BreakpointEntry(BreakpointProcessor.Mesa, BreakpointType.Execution, address));
}
