public string parse_c_instruction(string instruction)
{
string c_instruction_bin;
string dest = "000";
string comp = "00000000";
string jump = "000";
Symbol Match;
int index;
index = instruction.IndexOf('=');
if (index > 0)
{
jump = "000";
dest = instruction.Substring(0, index);
Match = DestTable.FirstOrDefault(i => i.Name == dest);
if (Match != null)
{
dest = Match.Value;
}
comp = instruction.Substring(index + 1, instruction.Length - index - 1);
Match = CompTable.FirstOrDefault(i => i.Name == comp);
if (Match != null)
{
comp = Match.Value;
}
}
index = instruction.IndexOf(';');
if (index > 0)
{
dest = "000";
comp = instruction.Substring(0, index);
Match = CompTable.FirstOrDefault(i => i.Name == comp);
if (Match != null)
{
comp = Match.Value;
}
jump = instruction.Substring(index + 1, instruction.Length - index - 1);
Match = JumpTable.FirstOrDefault(i => i.Name == jump);
if (Match != null)
{
jump = Match.Value;
}
}
c_instruction_bin = "11" + comp + dest + jump;
return(c_instruction_bin);
}
