public override string VisitInstruccionRsubCompleta([NotNull] SicAsmParser.InstruccionRsubCompletaContext context)
{
int cp = _program_counter;
string label = context.LABEL().GetText();
if (_first_inst_addr == -1)
{
_first_inst_addr = cp;
}
/* Si es primera pasada*/
if (_is_first_pass)
{
_lines_pc.Add(_line_count + 1, _program_counter);
if (!_symtab.ContainsKey(label))
{
_symtab.Add(label, _program_counter);
}
else
{
_program_counter += 3;
return("Error: símbolo \"" + label + "\" ya está definido.");
}
_program_counter += 3;
}
else
{
_lines_opcode.Add(_line_count + 1, _opcodes["RSUB"] + 0.ToString("X4"));
}
return("PC= " + cp + "Etiqueta: " + label + " Instruccion: RSUB");
}
