public static AssemblableCommand DisassembleNextCommand(ApplicationContext context, IMemorizable memory)
{
AssemblableCommand cmd;
uint lenght = 0;
try {
lenght = (uint)GetCommandLength(context, memory.ExtractMemoryPointer(0, memory.Length));
} catch {
cmd = new AssemblableCommand(CommandTemplate.UNKNOWN);
return(cmd);
}
cmd = Dissassemble(context, memory.ExtractMemoryPointer(0, (int)lenght));
return(cmd);
}
public byte[] Assemble(string instruction)
{
var cmd = new AssemblableCommand(context, instruction);
return(cmd.Assemble());
}
public static AssemblableCommand Dissassemble(ApplicationContext ctx, IMemorizable pointer)
{
AssemblableCommand command;
int inizioPar = -1;
List <CommandTemplate> allcmds = ctx.CommandTemplList.Where(el => {
var ret = true;
for (var i = 0;; i += 2)
{
if (pointer.Length < i || el.OpCode.Length <= i || el.OpCode.Substring(i, 2).Contains('$') || !ret)
{
inizioPar = i;
break;
}
ret = MySupport.ByteArrayToString(pointer.GetValues(i / 2, 1)) == el.OpCode.Substring(i, 2);
}
return(ret);
}).ToList();
if (allcmds.Count > 1)
{
throw new Exception("Multple commands with a single opCode");
}
CommandTemplate template = allcmds[0];
if (!template.OpCode.Contains("$"))
{
return(new AssemblableCommand(template));
}
inizioPar = template.OpCode.IndexOf("$" /*, inizioPar*/); // TOLTO A CASO PERCHE NON ANDAVA
int spar = -1;
var parms = new string[2];
if (inizioPar != template.OpCode.Length / 2)
{
int np = sbyte.Parse(template.OpCode[inizioPar + 3].ToString()) - 1;
sbyte p2size =
sbyte.Parse(template.ParTypes[np].ToString().Substring(template.ParTypes[np].ToString().Length - 2));
p2size /= 8;
parms[np] = template.OpCode.Substring(inizioPar + 5, 2) != "le"
? MySupport.ByteArrayToString(pointer.GetValues(inizioPar / 2, p2size))
: MySupport.ByteArrayToString(pointer.GetValues(inizioPar / 2, p2size).Reverse().ToArray());
inizioPar = template.OpCode.IndexOf("$", template.OpCode.IndexOf("$", inizioPar + 1) + 1);
spar = inizioPar / 2 + p2size;
}
// Parameters are always attached.
if (inizioPar != template.OpCode.Length / 2 && inizioPar != -1)
{
int np = sbyte.Parse(template.OpCode[inizioPar + 3].ToString()) - 1;
sbyte p2size =
sbyte.Parse(template.ParTypes[np].ToString().Substring(template.ParTypes[np].ToString().Length - 2));
p2size /= 8;
parms[np] = template.OpCode.Substring(inizioPar + 5, 2) != "le"
? MySupport.ByteArrayToString(pointer.GetValues(spar / 2, p2size))
: MySupport.ByteArrayToString(pointer.GetValues(spar / 2, p2size).Reverse().ToArray());
}
command = new AssemblableCommand(template, ctx, template.ParTypes, parms);
return(command);
}
