DCPU-16

import pygame, sys, time
from random import randint
from pygame.locals import *
A = open('','rb')
Memory = [0] * 0x10000
PC = 0
Vi = [0] * 8
Stack = []
EX = 0
IA = 0
i = 0
c = 0
d
for b in A.read():
    if (c == 0):
        d = b << 8
        c += 1
    if (c == 1):
        Memory[i] = d & b
        c = 0
        i += 1

def emulateCPU():
    global Memory, PC, Stack, Vi, EX, IA
    a = (Memory[PC] & FC00) >> 10
    if (Memory[PC] & 0x1F) == 0:
        opcode = Memory[PC] & 0x3FF
        SpecialOpcode = True
    else:
        opcode = Memory[PC] & 1F
        SpecialOpcode = False
        b = (Memory[PC] & 3E0) >> 5
    if opcode == 0x01 and not SpecialOpcode:
        if b <= 0x07:
            Vi[b] = a
        if b <= 0x0f:
            Memory[Vi[b & 0x07]] = a
        if b <= 0x17:
            Memory[(Vi[b & 0x07] + Memory[PC+1]) & 0xFFFF] = a
        if b ==