def run(path, debug, max_cycles):
with open(path, "rb") as rom_file:
debug_title = debug == "TITLE"
debug_header = debug == "HEADER" or debug == "ALL"
debug_mem = debug == "MEMORY" or debug == "ALL"
debug_instructions = debug == "INSTRUCTIONS" or debug == "ALL"
debug_registers = debug == "REGISTERS" or debug == "ALL"
rom = [i for i in rom_file.read()]
header = Header(rom, debug_header)
mem = Memory(rom, header)
if debug_title:
print("Title: " + header.name)
if debug_instructions:
print("PC: Operation")
interrupts = Interrupts()
cpu = CPU(mem, interrupts, debug_instructions, debug_registers)
timer = Timer(interrupts)
sound = Sound()
link = Link()
joypad = Joypad()
lcdc = LCDC(mem, interrupts)
mem.setupIO(lcdc, interrupts, timer, sound, link, joypad)
total_cycles = 0
try:
pygame.init()
while cpu.run_state != "QUIT":
for event in pygame.event.get():
if event.type == pygame.QUIT:
cpu.run_state = "QUIT"
if event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
joypad.keyEvent(event)
interrupts.update()
if cpu.run_state == "RUN":
cpu.run()
else:
cpu.cycles += 1
timer.update(cpu.cycles)
lcdc.update(cpu.cycles)
total_cycles += cpu.popCycles()
if max_cycles >= 0 and total_cycles > max_cycles:
cpu.run_state = "QUIT"
except AssertionError as e:
if debug_mem:
mem.display()
traceback.print_tb(e.__traceback__)
except KeyboardInterrupt as e:
if debug_mem:
mem.display()
else:
if debug_mem:
mem.display()
