/// <summary>
/// Produce RGBDS-compatible assembly of the ROM file.
/// </summary>
public string Disassemble()
{
var sb = new StringBuilder();
for (int bankNumber = 0; bankNumber < RomFile.NumberOfBanks; bankNumber++)
{
sb.AppendLine($"SECTION \"rom{bankNumber}\", ROM{(bankNumber == 0 ? '0' : 'X')}");
for (int addressWithinBank = 0; addressWithinBank < Math.Min(RomFile.BankSize, RomFile.Data.Length); addressWithinBank++)
{
int absoluteAddress = (bankNumber * RomFile.BankSize) + addressWithinBank;
if (RomFile.IsInHeader(absoluteAddress))
{
//don't decode the ROM header as instructions
string db = $"db ${RomFile.Data[absoluteAddress]:x2}";
string comment = $";${absoluteAddress:x4}";
sb.AppendLine($"{db}{GetWhitespaceBetween(db, comment)}{comment}");
}
else
{
var data = new ArraySegment <byte>(RomFile.Data, absoluteAddress, Math.Min(RomFile.BankSize, RomFile.Data.Length) - addressWithinBank);
string dasm = Decoder.Decode(data, out int instructionLength);
string comment = $";${absoluteAddress:x4}";
sb.AppendLine($"{dasm}{GetWhitespaceBetween(dasm, comment)}{comment}");
addressWithinBank += instructionLength - 1;
}
}
}
return(sb.ToString().Trim());
}
public Disassembler(RomFile rom, Decoder decoder, int targetLineWidth) : this(rom, decoder)
{
TargetLineWidth = targetLineWidth;
}
public Disassembler(RomFile rom, Decoder decoder)
{
RomFile = rom;
Decoder = decoder;
}