hack-assembler/Code.cs at master · Etevoldo/hack-assembler · GitHub

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namespace hackAssembler;

public class Code
{
    static public string Dest(string field)
    {
        return field switch
        {
            "null"    => "000",
            "M"   => "001",
            "D"   => "010",
            "MD"  => "011",
            "A"   => "100",
            "AM"  => "101",
            "AD"  => "110",
            "AMD" => "111",
            _     => "UNKNOWN DEST",
        };
    }
    static public string Comp(string field)
    {
        return field switch
        {
            "0"            => "101010",
            "1"            => "111111",
            "-1"           => "111010",
            "D"            => "001100",
            "A"   or "M"   => "110000",
            "!D"           => "001101",
            "!A"  or "!M"  => "110001",
            "-D"           => "001111",
            "-A"  or "-M"  => "110011",
            "D+1"          => "011111",
            "A+1" or "M+1" => "110111",
            "D-1"          => "001110",
            "A-1" or "M-1" => "110010",
            "D+A" or "D+M" => "000010",
            "D-A" or "D-M" => "010011",
            "A-D" or "M-D" => "000111",
            "D&A" or "D&M" => "000000",
            "D|A" or "D|M" => "010101",
            _ => "UNKNOWN COMP",
        };
        ;
    }
    static public string Jump(string field)
    {
        return field switch
        {
            "null"    => "000",
            "JGT" => "001",
            "JEQ" => "010",
            "JGE" => "011",
            "JLT" => "100",
            "JNE" => "101",
            "JLE" => "110",
            "JMP" => "111",
            _     => "UNKNOWN JUMP"
        };
    }
}