private void table_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e)
{
int row = e.RowIndex + viewOffset;
if (row >= Data.GetROMSize())
{
return;
}
switch (e.ColumnIndex)
{
case 0: e.Value = Data.GetLabel(Util.ConvertPCtoSNES(row)); break;
case 1: e.Value = Util.NumberToBaseString(Util.ConvertPCtoSNES(row), Util.NumberBase.Hexadecimal, 6); break;
case 2: e.Value = (char)Data.GetROMByte(row); break;
case 3: e.Value = Util.NumberToBaseString(Data.GetROMByte(row), DisplayBase); break;
case 4: e.Value = Util.PointToString(Data.GetInOutPoint(row)); break;
case 5:
int len = Manager.GetInstructionLength(row);
if (row + len <= Data.GetROMSize())
{
e.Value = Util.GetInstruction(row);
}
else
{
e.Value = "";
}
break;
case 6:
int ia = Util.GetIntermediateAddressOrPointer(row);
if (ia >= 0)
{
e.Value = Util.NumberToBaseString(ia, Util.NumberBase.Hexadecimal, 6);
}
else
{
e.Value = "";
}
break;
case 7: e.Value = Util.TypeToString(Data.GetFlag(row)); break;
case 8: e.Value = Util.NumberToBaseString(Data.GetDataBank(row), Util.NumberBase.Hexadecimal, 2); break;
case 9: e.Value = Util.NumberToBaseString(Data.GetDirectPage(row), Util.NumberBase.Hexadecimal, 4); break;
case 10: e.Value = Util.BoolToSize(Data.GetMFlag(row)); break;
case 11: e.Value = Util.BoolToSize(Data.GetXFlag(row)); break;
case 12: e.Value = Data.GetComment(Util.ConvertPCtoSNES(row)); break;
}
}
// if length == 1, M/m, else 08/16
private static string GetMFlag(int offset, int length)
{
bool m = Data.GetMFlag(offset);
if (length == 1)
{
return(m ? "M" : "m");
}
else
{
return(m ? "08" : "16");
}
}
private static AddressMode GetAddressMode(int offset)
{
AddressMode mode = addressingModes[Data.GetROMByte(offset)];
if (mode == AddressMode.IMMEDIATE_M_FLAG_DEPENDENT)
{
return(Data.GetMFlag(offset) ? AddressMode.IMMEDIATE_8 : AddressMode.IMMEDIATE_16);
}
else if (mode == AddressMode.IMMEDIATE_X_FLAG_DEPENDENT)
{
return(Data.GetXFlag(offset) ? AddressMode.IMMEDIATE_8 : AddressMode.IMMEDIATE_16);
}
return(mode);
}
private void table_KeyDown(object sender, KeyEventArgs e)
{
if (Data.GetROMSize() <= 0)
{
return;
}
int offset = table.CurrentCell.RowIndex + viewOffset;
int newOffset = offset;
int amount = 0x01;
Console.WriteLine(e.KeyCode);
switch (e.KeyCode)
{
case Keys.Home:
case Keys.PageUp:
case Keys.Up:
amount = e.KeyCode == Keys.Up ? 0x01 : e.KeyCode == Keys.PageUp ? 0x10 : 0x100;
newOffset = offset - amount;
if (newOffset < 0)
{
newOffset = 0;
}
SelectOffset(newOffset);
break;
case Keys.End:
case Keys.PageDown:
case Keys.Down:
amount = e.KeyCode == Keys.Down ? 0x01 : e.KeyCode == Keys.PageDown ? 0x10 : 0x100;
newOffset = offset + amount;
if (newOffset >= Data.GetROMSize())
{
newOffset = Data.GetROMSize() - 1;
}
SelectOffset(newOffset);
break;
case Keys.Left:
amount = table.CurrentCell.ColumnIndex;
amount = amount - 1 < 0 ? 0 : amount - 1;
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[amount];
break;
case Keys.Right:
amount = table.CurrentCell.ColumnIndex;
amount = amount + 1 >= table.ColumnCount ? table.ColumnCount - 1 : amount + 1;
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[amount];
break;
case Keys.S: Step(offset); break;
case Keys.I: StepIn(offset); break;
case Keys.A: AutoStepSafe(offset); break;
case Keys.T: GoToIntermediateAddress(offset); break;
case Keys.U: GoToUnreached(true, true); break;
case Keys.H: GoToUnreached(false, false); break;
case Keys.N: GoToUnreached(false, true); break;
case Keys.K: Mark(offset); break;
case Keys.L:
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[0];
table.BeginEdit(true);
break;
case Keys.B:
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[8];
table.BeginEdit(true);
break;
case Keys.D:
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[9];
table.BeginEdit(true);
break;
case Keys.M:
Data.SetMFlag(offset, !Data.GetMFlag(offset));
break;
case Keys.X:
Data.SetXFlag(offset, !Data.GetXFlag(offset));
break;
case Keys.C:
table.CurrentCell = table.Rows[table.CurrentCell.RowIndex].Cells[12];
table.BeginEdit(true);
break;
}
e.Handled = true;
InvalidateTable();
}
public static int Step(int offset, bool branch, bool force, int prevOffset)
{
int opcode = Data.GetROMByte(offset);
int prevDirectPage = Data.GetDirectPage(offset);
int prevDataBank = Data.GetDataBank(offset);
bool prevX = Data.GetXFlag(offset), prevM = Data.GetMFlag(offset);
while (prevOffset >= 0 && Data.GetFlag(prevOffset) == Data.FlagType.Operand)
{
prevOffset--;
}
if (prevOffset >= 0 && Data.GetFlag(prevOffset) == Data.FlagType.Opcode)
{
prevDirectPage = Data.GetDirectPage(prevOffset);
prevDataBank = Data.GetDataBank(prevOffset);
prevX = Data.GetXFlag(prevOffset);
prevM = Data.GetMFlag(prevOffset);
}
if (opcode == 0xC2 || opcode == 0xE2) // REP SEP
{
prevX = (Data.GetROMByte(offset + 1) & 0x10) != 0 ? opcode == 0xE2 : prevX;
prevM = (Data.GetROMByte(offset + 1) & 0x20) != 0 ? opcode == 0xE2 : prevM;
}
// set first byte first, so the instruction length is correct
Data.SetFlag(offset, Data.FlagType.Opcode);
Data.SetDataBank(offset, prevDataBank);
Data.SetDirectPage(offset, prevDirectPage);
Data.SetXFlag(offset, prevX);
Data.SetMFlag(offset, prevM);
int length = GetInstructionLength(offset);
for (int i = 1; i < length; i++)
{
Data.SetFlag(offset + i, Data.FlagType.Operand);
Data.SetDataBank(offset + i, prevDataBank);
Data.SetDirectPage(offset + i, prevDirectPage);
Data.SetXFlag(offset + i, prevX);
Data.SetMFlag(offset + i, prevM);
}
MarkInOutPoints(offset);
int nextOffset = offset + length;
if (!force && (opcode == 0x4C || opcode == 0x5C || opcode == 0x80 || opcode == 0x82 || // JMP JML BRA BRL
(branch && (opcode == 0x10 || opcode == 0x30 || opcode == 0x50 || // BPL BMI BVC
opcode == 0x70 || opcode == 0x90 || opcode == 0xB0 || opcode == 0xD0 || // BVS BCC BCS BNE
opcode == 0xF0 || opcode == 0x20 || opcode == 0x22)))) // BEQ JSR JSL
{
int iaNextOffsetPC = Util.ConvertSNEStoPC(Util.GetIntermediateAddress(offset, true));
if (iaNextOffsetPC >= 0)
{
nextOffset = iaNextOffsetPC;
}
}
return(nextOffset);
}
private static byte[] SaveVersion1()
{
int size = Data.GetROMSize();
byte[] romSettings = new byte[31];
romSettings[0] = (byte)Data.GetROMMapMode();
romSettings[1] = (byte)Data.GetROMSpeed();
Util.IntegerIntoByteArray(size, romSettings, 2);
for (int i = 0; i < 0x15; i++)
{
romSettings[6 + i] = (byte)Data.GetROMByte(Util.ConvertSNEStoPC(0xFFC0 + i));
}
for (int i = 0; i < 4; i++)
{
romSettings[27 + i] = (byte)Data.GetROMByte(Util.ConvertSNEStoPC(0xFFDC + i));
}
// TODO put selected offset in save file
List <byte> label = new List <byte>(), comment = new List <byte>();
Dictionary <int, string> all_labels = Data.GetAllLabels(), all_comments = Data.GetAllComments();
Util.IntegerIntoByteList(all_labels.Count, label);
foreach (KeyValuePair <int, string> pair in all_labels)
{
Util.IntegerIntoByteList(pair.Key, label);
for (int i = 0; i < pair.Value.Length; i++)
{
label.Add((byte)pair.Value[i]);
}
label.Add(0);
}
Util.IntegerIntoByteList(all_comments.Count, comment);
foreach (KeyValuePair <int, string> pair in all_comments)
{
Util.IntegerIntoByteList(pair.Key, comment);
for (int i = 0; i < pair.Value.Length; i++)
{
comment.Add((byte)pair.Value[i]);
}
comment.Add(0);
}
byte[] romLocation = Util.StringToByteArray(currentROMFile);
byte[] data = new byte[romSettings.Length + romLocation.Length + 8 * size + label.Count + comment.Count];
romSettings.CopyTo(data, 0);
for (int i = 0; i < romLocation.Length; i++)
{
data[romSettings.Length + i] = romLocation[i];
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + i] = (byte)Data.GetDataBank(i);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + size + i] = (byte)Data.GetDirectPage(i);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 2 * size + i] = (byte)(Data.GetDirectPage(i) >> 8);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 3 * size + i] = (byte)(Data.GetXFlag(i) ? 1 : 0);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 4 * size + i] = (byte)(Data.GetMFlag(i) ? 1 : 0);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 5 * size + i] = (byte)Data.GetFlag(i);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 6 * size + i] = (byte)Data.GetArchitechture(i);
}
for (int i = 0; i < size; i++)
{
data[romSettings.Length + romLocation.Length + 7 * size + i] = (byte)Data.GetInOutPoint(i);
}
// ???
label.CopyTo(data, romSettings.Length + romLocation.Length + 8 * size);
comment.CopyTo(data, romSettings.Length + romLocation.Length + 8 * size + label.Count);
// ???
return(data);
}
