screen.py

import pygame
import time 

WIDTH = 64
HEIGHT = 32
SCALE = 15

class Screen:
    def __init__(self):
        pygame.init()

        self.framebuffer = [[0 for x in range(64)] for x in range(32)]

        self.screen = pygame.display.set_mode((WIDTH*SCALE,HEIGHT*SCALE), flags=pygame.RESIZABLE)
        pygame.display.set_caption("Chip 8 emulator")
        self.screen.fill((255,255,255))
        pygame.display.flip() 

    def draw(self):
        self.screen.fill((255,255,255))
        for y in range(HEIGHT):
            for x in range(WIDTH):
                if self.framebuffer[y][x]:
                    rect = pygame.Rect(x*SCALE, y*SCALE, SCALE, SCALE)
                    pygame.draw.rect(self.screen, (0,0,0), rect)
        pygame.display.flip() 



def main():
    pass
    disp = Screen()
    for y in range(HEIGHT):
        for x in range(WIDTH):
            if (x + y) % 2 == 0:
                disp.framebuffer[y][x] = 1

    disp.draw()
    running = True
    while running:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False

if __name__ == "__main__":
    main()