import os, sys;

# ეს დიქშენარები არის გადაკოპირებული, იმიტომ რომ იგივე რომ დამეწერა მაინც იგივე კოდი გამოვიდოდა
comp = {
    "0": "0101010",
    "1": "0111111",
    "-1": "0111010",
    "D": "0001100",
    "A": "0110000",
    "!D": "0001101",
    "!A": "0110001",
    "-D": "0001111",
    "-A": "0110011",
    "D+1": "0011111",
    "A+1": "0110111",
    "D-1": "0001110",
    "A-1": "0110010",
    "D+A": "0000010",
    "D-A": "0010011",
    "A-D": "0000111",
    "D&A": "0000000",
    "D|A": "0010101",
    "M": "1110000",
    "!M": "1110001",
    "-M": "1110011",
    "M+1": "1110111",
    "M-1": "1110010",
    "D+M": "1000010",
    "D-M": "1010011",
    "M-D": "1000111",
    "D&M": "1000000",
    "D|M": "1010101"
    }


dest = {
    "null": "000",
    "M": "001",
    "D": "010",
    "A": "100",
    "MD": "011",
    "AM": "101",
    "AD": "110",
    "AMD": "111"
    }


jump = {
    "null": "000",
    "JGT": "001",
    "JEQ": "010",
    "JGE": "011",
    "JLT": "100",
    "JNE": "101",
    "JLE": "110",
    "JMP": "111"
    }


variable = {
    "SP": 0,
    "LCL": 1,
    "ARG": 2,
    "THIS": 3,
    "THAT": 4,
    "SCREEN": 16384,
    "KBD": 24576,
    "cursor": 16
}


for i in range(0, 16):
    st = 'R' + str(i)
    variable[st] = i


# აქამდე გადაწერილია შემეზარა ამგენის დაწერა


def getCommand(line):
    if (line.find('/') != -1):
        line = line[:line.find('/')]

    lineList = line.split(' ')
    line = ''.join(str(x) for x in lineList)
    lineList = line.split('\n')
    line = ''.join(str(x) for x in lineList)

    return line

def Abinary(line):
    if line[0].isalpha():
        if line in variable:
            r = variable.get(line)
        else:
            variable[line] = variable.get('cursor')
            variable['cursor'] = variable['cursor'] + 1
            r = variable[line]

    else:
        r = int(line)

    return str(bin(r)[2:].zfill(16))

def Cbinary(line):

    if not "=" in line:
        line = "null=" + line

    if not ";" in line:
        line = line + ";null"

    binary = ''
    splitt = line.split('=')
    binary = dest.get(splitt[0])

    splitt = splitt[1].split(';')
    binary = comp.get(splitt[0], 'damerxa') + binary
    binary += jump.get(splitt[1], 'damerxa')

    return '111' + binary

def binary(line):

    if line[0] == '@':
        return Abinary(line[1:])

    return Cbinary(line)


def firstRead():
    infile = open(root + ".asm")

    i = 0

    for line in infile:
        line = getCommand(line)
        if line == "":
            continue

        if line[0] == '(':
            line = line[1:-1]
            variable[line] = i
            continue

        i += 1

    infile.close()

def readLines():
    infile = open(root + ".asm")
    outfile = open(root + ".hack", "w")

    i = 0

    for line in infile:
        line = getCommand(line)
        if line == "":
            continue

        if line[0] == '(':
            continue

        i = i + 1
        ans = binary(line)
        print(ans)
        outfile.write(ans + '\n')

    outfile.close()
    infile.close()


root = sys.argv[1]

firstRead()
readLines()