Simple graphical display using tkinter. Refresh rate is a bit slow.

tk_graphic.py

# File:   tk_graphic.py
# Author: Jake Robinson
# Date:   27SEP2018

from Tkinter import *
import datetime
import random
import time


class App:
    def __init__(self, master):
        self.screen_rom = {}
        
        frame = Frame(master)
        frame.pack()
        self.canvas = Canvas(frame, width=800, height=600)
        self.canvas.pack()

        self.fill_screen_rom()

    def test_print(self):
        print "TK Base Program"

    def create_pixel(self, x, y):
        return self.canvas.create_rectangle(10+(y*8), 10+(x*8), 2+(y*8), 2+(x*8), fill='white', outline='white')

    def fill_screen_rom(self):
        for x in range(32):
            self.screen_rom[x] = [self.create_pixel(x, y) for y in range(64)]

    def update_screen(self, address, data):
        for x, y in enumerate(format(data, '064b')):
            if y == '1':
                self.canvas.itemconfig(self.screen_rom[address][x], fill='black')
            else:
                self.canvas.itemconfig(self.screen_rom[address][x], fill='white')

root = Tk()
root.geometry("518x265")
app = App(master=root)

counter = [2**x for x in range(0, 32)]
print counter
while True:
    root.update()
    for x, y in enumerate(counter):
        counter[x] = counter[x] >> 1
        if counter[x] == 0:
            counter[x] = 2**63
        app.update_screen(x, counter[x])
    time.sleep(0.1)
    
root.title("TK Base Program")
root.mainloop()