def main(rom_file): pygame.init() #screen = pygame.display.set_mode((64, 64)) video = Video() screen = pygame.display.set_mode(video.get_mode()) #pygame.mouse.set_visible(0) pygame.display.update() surface = pygame.Surface(screen.get_size()) surface = surface.convert() screen.blit(surface, (0, 0)) video.set_surface(surface) pygame.display.flip() keyboard = Keyboard() computer = CPU(video) fd = open(rom_file, "rb") computer.load(fd.read()) CLOCK_HZ = 10000 # 4194304 TIMER_HZ = 30 CPU_CLOCK_EVENT = USEREVENT + 1 TIMER_CLOCK_EVENT = CPU_CLOCK_EVENT + 1 #pygame.time.set_timer(CPU_CLOCK_EVENT, 1000 / CLOCK_HZ) #pygame.time.set_timer(TIMER_CLOCK_EVENT, int(1000 / TIMER_HZ)) pygame.time.set_timer(TIMER_CLOCK_EVENT, 100) i = 0 while True: event = pygame.event.poll() if event.type == pygame.QUIT: sys.exit() #elif event.type == CPU_CLOCK_EVENT: # computer.tick() elif event.type == TIMER_CLOCK_EVENT: computer.timer() elif event.type == pygame.KEYUP: key = keyboard.translate(event.key) if not key is None: computer.key_up(key) elif event.type == pygame.KEYDOWN: key = keyboard.translate(event.key) if not key is None: computer.key_down(key) i += 1 #print "timer " + str(i) computer.timer() computer.tick() #pygame.time.wait(1000 / CLOCK_HZ) screen.blit(surface, (0, 0)) if not video.dirty_rect is None: pygame.display.update(video.dirty_rect) video.dirty_rect = None
def test_init(self):
self.assertEqual(cpu.MEMORY_SIZE, len(self.cpu.memory))
self.assertEqual(bytearray(cpu.font_sprites),
self.cpu.memory[0:len(cpu.font_sprites)])
self.assertEqual([], self.cpu.stack)
self.assertEqual(0x200, self.cpu.pc)
self.assertEqual(0x600,
CPU(Screen(), Keyboard(), starting_address=0x600).pc)
self.assertEqual([0x00] * 16, self.cpu.V)
self.assertEqual(0x000, self.cpu.I)
self.assertEqual(0x000, self.cpu.I)
self.assertEqual(0x00, self.cpu.delay_timer)
self.assertEqual(0x00, self.cpu.sound_timer)
self.assertEqual(0x042,
CPU(Screen(), Keyboard(), starting_address=0x042).pc)
def __init__(self, rom_file):
signal.signal(signal.SIGINT, self.sigint_handler)
self.commands = {
"[di]sassemble": ("Disassemble: disassemble addr[, count=16]",
self.cmd_disassemble),
"[r]egisters": ("Examine registers", self.cmd_registers),
"[s]tep": ("One CPU step: step [count=1]", self.cmd_step),
"[v]ideo": ("Examine video memory contents", self.cmd_video),
"[du]mp": ("Dump memory: dump addr[, count=16]", self.cmd_dump),
"[h]elp": ("This help", self.cmd_help),
"[q]uit": ("Quit", self.cmd_quit),
}
self.video = Video()
screen = pygame.display.set_mode(self.video.get_mode())
#pygame.mouse.set_visible(0)
pygame.display.update()
surface = pygame.Surface(screen.get_size())
surface = surface.convert()
screen.blit(surface, (0, 0))
self.video.set_surface(surface)
pygame.display.flip()
self.cpu = CPU(self.video)
fd = open(rom_file, "rb")
self.cpu.load(fd.read())
def __init__(self, scaling_factor: int, cycles_per_frame: int,
starting_address: int):
pygame.init()
self.screen = Screen(scaling_factor)
self.keyboard = Keyboard()
self.sound = Sound()
self.cpu = CPU(self.screen, self.keyboard, starting_address)
self.cycles_per_frame = cycles_per_frame
sixty_hertz_ms = round(1000 / SIXTY_HERTZ)
pygame.time.set_timer(SIXTY_HERTZ_CLOCK, sixty_hertz_ms)
print(
f"Target CPU speed: {cycles_per_frame * SIXTY_HERTZ} instructions per second"
)
print(f"Screen scaling factor: {scaling_factor}")
def setUp(self):
self.cpu = CPU()
def setUp(self):
self.screen = Screen()
self.keyboard = Keyboard()
self.cpu = CPU(self.screen, self.keyboard)
