class Chip8:
cpu = None
screen = None
input_handler = None
MAX_MEMORY = 4096
def __init__(self):
self.screen = Screen(640, 320)
self.input_handler = InputHandler(self.screen)
self.cpu = Cpu(self.screen, self.input_handler)
self.loop()
def loop(self):
self.cpu.load_rom(sys.argv[1])
while True:
self.cpu.cycle()
def game_loop():
pygame.init()
beep = pygame.mixer.Sound("bell.ogg")
size = width, height = 640, 320
clock = pygame.time.Clock()
black = 0, 0, 0
white = 255, 255, 255
fps = 60
gfx_width = 64
gfx_height = 32
scale_factor = 10
screen = pygame.display.set_mode(size)
game = load_game("PONG2")
cpu = Cpu()
cpu.reset()
i = 0
for x in range(len(game)):
cpu.memory[i + 0x200] = game[i]
i += 1
run = True
while (run):
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
keys = pygame.key.get_pressed()
if keys[pygame.K_ESCAPE]:
run = False
#Row 1 of keys
cpu.key[1] = keys[pygame.K_1]
cpu.key[2] = keys[pygame.K_2]
cpu.key[3] = keys[pygame.K_3]
cpu.key[0xc] = keys[pygame.K_4]
#Row 2 of keys
cpu.key[4] = keys[pygame.K_q]
cpu.key[5] = keys[pygame.K_w]
cpu.key[6] = keys[pygame.K_e]
cpu.key[0xd] = keys[pygame.K_r]
#Row 3 of keys
cpu.key[7] = keys[pygame.K_a]
cpu.key[8] = keys[pygame.K_s]
cpu.key[9] = keys[pygame.K_d]
cpu.key[0xe] = keys[pygame.K_f]
#Row 4 of keys
cpu.key[0xa] = keys[pygame.K_z]
cpu.key[0x0] = keys[pygame.K_x]
cpu.key[0xb] = keys[pygame.K_c]
cpu.key[0xf] = keys[pygame.K_v]
cpu.cycle()
if cpu.play_sound:
pygame.mixer.Sound.play(beep)
cpu.play_sound = False
if cpu.draw_flag:
clock.tick(fps)
for i in range(gfx_height):
for j in range(gfx_width):
if cpu.gfx[i * gfx_width + j]:
screen.fill(white, (j * scale_factor, i * scale_factor,
scale_factor, scale_factor))
else:
screen.fill(black, (j * scale_factor, i * scale_factor,
scale_factor, scale_factor))
pygame.display.flip()
cpu.draw_flag = False
pygame.quit()
