public override IList <string> Execute(Stack stack)
{
var assemblyInstructions = new List <string>();
if (_segment == "constant")
{
assemblyInstructions.Add($"@{_index}");
assemblyInstructions.Add("D=A");
}
else if (_segment == "temp")
{
assemblyInstructions.Add($"@{MemorySegments.GetTempSymbol(_index)}");
assemblyInstructions.Add("D=M");
}
else if (_segment == "pointer")
{
assemblyInstructions.Add($"@{MemorySegments.PredefinedSymbols[_index == "0" ? "this" : "that"]}");
public override IList <string> Execute(Stack stack)
{
var assemblyInstructions = new List <string>();
if (_segment == "temp")
{
assemblyInstructions.AddRange(stack.PopTo_D());
//Save to target memory address
assemblyInstructions.Add($"@{MemorySegments.GetTempSymbol(_index)}");
assemblyInstructions.Add("M=D");
}
else if (_segment == "pointer")
{
assemblyInstructions.AddRange(stack.PopTo_D());
//Save to target memory address
assemblyInstructions.Add($"@{MemorySegments.PredefinedSymbols[_index == "0" ? "this" : "that"]}");
