private void DisassmRow(ItemRowEntry row, ItemRowEntry nextRow)
{
result.AppendLine("; ------------------------------");
// Label for map row (for previous row to reference)
result.AppendLine(GetRowLabel(row.MapY) + ":");
// Byte specifies which row this represents
result.AppendLine(Pad16(byteCode + " " + FormatByte(row.MapY)));
result.AppendLine();
// Word, pointer to nexn row, or FFFF if last row
if (nextRow == null) // Last Row
{
WriteLine(wordCode + " " + FormatWord(0xFFFF), "Last row of item data");
}
else
{
WriteLine(wordCode + " " + GetRowLabel(nextRow.MapY), "Pointer to next row's data");
}
var seeker = row.Seek();
DisassmScreen(seeker);
while (seeker.MoreScreensPresent)
{
seeker.NextScreen();
DisassmScreen(seeker);
}
}
/// <summary>
/// Gets the next ItemRowEntry. Chech HasNextEntry first.
/// </summary>
/// <returns>The next ItemRowEntry.</returns>
public ItemRowEntry LoadNextRow()
{
ItemRowEntry result = new ItemRowEntry(level, rom, NextEntryOffset, index + 1);
result.orderIndex = orderIndex + 1;
return(result);
}
/// <summary>
/// Creates an item seeker.
/// </summary>
/// <param name="data">ItemRowEntry to seek.</param>
public ItemSeeker(ItemRowEntry data)
{
this.data = data.Rom.data;
this.startOffset = this.screenOffset = data.Offset + 3;
itemOffset = startOffset + 2;
itemIndex = new ItemIndex_DEPRECATED();
itemIndex.Row = (byte)data.OrderIndex;
itemIndex.Level = data.Level;
}
private void LoadRow(ItemRowEntry row)
{
var seeker = row.Seek();
LoadScreen(seeker, row.MapY);
while (seeker.MoreScreensPresent)
{
seeker.NextScreen();
LoadScreen(seeker, row.MapY);
}
}
private ItemDataDisassembler(Level level, DataDirective directive)
{
this.level = level;
SetDirectives(directive);
CreateRowList(level);
int dataOffset = rows[0].Offset;
var pointer = level.CreatePointer((pRom)dataOffset);
result.AppendLine("; Offset of item data");
result.AppendLine(".org " + FormatWord(pointer.Value));
for (int i = 0; i < rows.Count; i++)
{
ItemRowEntry row = rows[i];
ItemRowEntry nextRow = GetNextRow(row);
DisassmRow(row, nextRow);
}
}
private ItemRowEntry GetNextRow(ItemRowEntry row)
{
var nextRowPointer = row.NextEntryPointer;
if (nextRowPointer.Value == 0xFFFF)
{
return(null);
}
var nextRowOffset = (int)level.ToPRom(nextRowPointer);
for (int i = 0; i < rows.Count; i++)
{
if (rows[i].Offset == nextRowOffset)
{
return(rows[i]);
}
}
throw new ItemDisassmException("Item disassembly error: item row entry's 'next row pointer' did not point to a location within item data.");
}
private int CompareRowsByAddress(ItemRowEntry a, ItemRowEntry b)
{
return(a.Offset - b.Offset);
}
