def __init__(self):
super().__init__()
nes = Nes()
nes.load('roms/mario.nes')
# configure ppu
self._ppu_bus = Bus()
self._ppu_pattern = PatternTable()
self._ppu_pattern.load(nes.chr)
self._ppu_name = NameTable()
self._ppu_palette = PaletteTable()
self._ppu_bus.connect(self._ppu_pattern)
self._ppu_bus.connect(self._ppu_name)
self._ppu_bus.connect(self._ppu_palette)
self._ppu = Ppu(self._ppu_bus)
# configure cpu
self._cpu_ram = Ram()
self._pgr = PGRRom()
self._pgr.load(nes.pgr)
self._papu_ram = PAuExp()
self._cpu_bus = Bus()
self._cpu_bus.connect(self._pgr)
self._cpu_bus.connect(self._cpu_ram)
self._cpu_bus.connect(self._papu_ram)
self._cpu_bus.connect(self._ppu.get_register())
self._cpu = Cpu6502(self._cpu_bus)
self._cpu.reset()
self._ppu.set_request_nmi(self._cpu.request_nmi)
self._addr_map, self._code = self._cpu.decode(0x8000, 0xFF00)
self._font = pygame.font.SysFont('inconsolatan', 24)
self._cpu_running = False
self._cpu_time_last = 0
def on_init(self):
pygame.init()
self._display_surf = pygame.display.set_mode(
self.size, pygame.HWSURFACE | pygame.DOUBLEBUF, 8)
# Set NES color palette.
self._display_surf.set_palette([(0x75, 0x75, 0x75), (0x27, 0x1b, 0x8f),
(0x00, 0x00, 0xab), (0x47, 0x00, 0x9f),
(0x8f, 0x00, 0x77), (0xab, 0x00, 0x13),
(0xa7, 0x00, 0x00), (0x7f, 0x0b, 0x00),
(0x43, 0x2f, 0x00), (0x00, 0x47, 0x00),
(0x00, 0x51, 0x00), (0x00, 0x3f, 0x17),
(0x1b, 0x3f, 0x5f), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xbc, 0xbc, 0xbc), (0x00, 0x73, 0xef),
(0x23, 0x3b, 0xef), (0x83, 0x00, 0xf3),
(0xbf, 0x00, 0xbf), (0xe7, 0x00, 0x5b),
(0xdb, 0x2b, 0x00), (0xcb, 0x4f, 0x0f),
(0x8b, 0x73, 0x00), (0x00, 0x97, 0x00),
(0x00, 0xab, 0x00), (0x00, 0x93, 0x3b),
(0x00, 0x83, 0x8b), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xff, 0xff, 0xff), (0x3f, 0xbf, 0xff),
(0x5f, 0x97, 0xff), (0xa7, 0x8b, 0xfd),
(0xf7, 0x7b, 0xff), (0xff, 0x77, 0xb7),
(0xff, 0x77, 0x63), (0xff, 0x9b, 0x3b),
(0xf3, 0xbf, 0x3f), (0x83, 0xd3, 0x13),
(0x4f, 0xdf, 0x4b), (0x58, 0xf8, 0x98),
(0x00, 0xeb, 0xdb), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xff, 0xff, 0xff), (0xab, 0xe7, 0xff),
(0xc7, 0xd7, 0xff), (0xd7, 0xcb, 0xff),
(0xff, 0xc7, 0xff), (0xff, 0xc7, 0xdb),
(0xff, 0xbf, 0xb3), (0xff, 0xdb, 0xab),
(0xff, 0xe7, 0xa3), (0xe3, 0xff, 0xa3),
(0xab, 0xf3, 0xbf), (0xb3, 0xff, 0xcf),
(0x9f, 0xff, 0xf3), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00)])
self._running = True
self.cartridge = Cartridge("../../test/ff.nes")
self.ppu = Ppu(self._display_surf)
self.papu = Papu()
self.cpu = Cpu(self.ppu, self.papu, self.cartridge,
KeyboardController(self._display_surf))
self.cpu.power_on()
def __init__(self):
self.cpu = Cpu()
self.ppu = Ppu()
self.rom = None
self.memory = None
self.is_running = False
class Nes(object):
__metaclass__ = Singleton
def __init__(self):
self.cpu = Cpu()
self.ppu = Ppu()
self.rom = None
self.memory = None
self.is_running = False
def reset(self):
if self.memory:
self.memory.reset()
self.cpu.reset()
self.ppu.reset()
def start(self):
pass
def stop(self):
pass
def load(self, filename):
if self.is_running:
self.stop()
self.rom = Rom()
self.rom.load(filename)
if self.rom.is_valid:
self.memory = Mapper(self.rom.mapper_type)
if self.memory == None:
raise Exception('Unknown mapper: %d' % self.rom.mapper_type)
self.memory.load()
self.ppu.set_mirroring(self.rom.get_mirrowing())
return self.rom.is_valid
def reload(self):
if self.rom and self.rom.filename:
self.load(self.rom.filename)
def main():
_ppu_bus = Bus()
_ppu_pattern = PatternTable()
# _ppu_pattern.load(nes.chr)
_ppu_name = NameTable()
_ppu_palette = PaletteTable()
_ppu_bus.connect(_ppu_pattern)
_ppu_bus.connect(_ppu_name)
_ppu_bus.connect(_ppu_palette)
_ppu = Ppu(_ppu_bus)
ram = Ram()
pgr = PGRRom()
ppu_reg = PPURegister(_ppu_bus)
pau_exp = PAuExp()
nes = Nes()
nes.load('roms/nestest.nes')
pgr.load(nes.pgr)
bus = Bus()
bus.connect(pgr)
bus.connect(ram)
bus.connect(pau_exp)
bus.connect(ppu_reg)
cpu = Cpu6502(bus)
cpu.test_mode()
real_log = Log()
n = 0
while True:
n += 1
log = cpu.log()
if not real_log.check(log):
# print('F: {}'.format(OrderedDict(log)))
# print('T: {}'.format(OrderedDict(real_log.log())))
# print('{} Addr: {}, Data: {}'.format(n, cpu._addr, cpu._data))
break
else:
pass
# print('T: {}'.format(OrderedDict(log)))
cpu.run()
end = real_log.next()
if end:
break
print('{} ins passed'.format(n))
class Pynes:
def __init__(self):
self._running = True
self._display_surf = None
self.size = self.width, self.height = 512, 448
def on_init(self):
pygame.init()
self._display_surf = pygame.display.set_mode(
self.size, pygame.HWSURFACE | pygame.DOUBLEBUF, 8)
# Set NES color palette.
self._display_surf.set_palette([(0x75, 0x75, 0x75), (0x27, 0x1b, 0x8f),
(0x00, 0x00, 0xab), (0x47, 0x00, 0x9f),
(0x8f, 0x00, 0x77), (0xab, 0x00, 0x13),
(0xa7, 0x00, 0x00), (0x7f, 0x0b, 0x00),
(0x43, 0x2f, 0x00), (0x00, 0x47, 0x00),
(0x00, 0x51, 0x00), (0x00, 0x3f, 0x17),
(0x1b, 0x3f, 0x5f), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xbc, 0xbc, 0xbc), (0x00, 0x73, 0xef),
(0x23, 0x3b, 0xef), (0x83, 0x00, 0xf3),
(0xbf, 0x00, 0xbf), (0xe7, 0x00, 0x5b),
(0xdb, 0x2b, 0x00), (0xcb, 0x4f, 0x0f),
(0x8b, 0x73, 0x00), (0x00, 0x97, 0x00),
(0x00, 0xab, 0x00), (0x00, 0x93, 0x3b),
(0x00, 0x83, 0x8b), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xff, 0xff, 0xff), (0x3f, 0xbf, 0xff),
(0x5f, 0x97, 0xff), (0xa7, 0x8b, 0xfd),
(0xf7, 0x7b, 0xff), (0xff, 0x77, 0xb7),
(0xff, 0x77, 0x63), (0xff, 0x9b, 0x3b),
(0xf3, 0xbf, 0x3f), (0x83, 0xd3, 0x13),
(0x4f, 0xdf, 0x4b), (0x58, 0xf8, 0x98),
(0x00, 0xeb, 0xdb), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00), (0x00, 0x00, 0x00),
(0xff, 0xff, 0xff), (0xab, 0xe7, 0xff),
(0xc7, 0xd7, 0xff), (0xd7, 0xcb, 0xff),
(0xff, 0xc7, 0xff), (0xff, 0xc7, 0xdb),
(0xff, 0xbf, 0xb3), (0xff, 0xdb, 0xab),
(0xff, 0xe7, 0xa3), (0xe3, 0xff, 0xa3),
(0xab, 0xf3, 0xbf), (0xb3, 0xff, 0xcf),
(0x9f, 0xff, 0xf3), (0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00)])
self._running = True
self.cartridge = Cartridge("../../test/ff.nes")
self.ppu = Ppu(self._display_surf)
self.papu = Papu()
self.cpu = Cpu(self.ppu, self.papu, self.cartridge,
KeyboardController(self._display_surf))
self.cpu.power_on()
def on_event(self, event):
if event.type == pygame.QUIT:
self._running = False
def on_loop(self):
if self.cpu.registers['pc'] in BREAKPOINTS:
raise Exception("Breakpoint at {0:#4x}".format(
self.cpu.registers['pc']))
self.cpu.tick()
nmi = self.ppu.tick()
if nmi:
self.cpu.interrupt('NMI')
def on_render(self):
pass
def on_cleanup(self):
pygame.quit()
def on_execute(self):
if self.on_init() == False:
self._running = False
while (self._running):
for event in pygame.event.get():
self.on_event(event)
self.on_loop()
self.on_render()
self.on_cleanup()
class Machine(Entity):
def __init__(self):
super().__init__()
nes = Nes()
nes.load('roms/mario.nes')
# configure ppu
self._ppu_bus = Bus()
self._ppu_pattern = PatternTable()
self._ppu_pattern.load(nes.chr)
self._ppu_name = NameTable()
self._ppu_palette = PaletteTable()
self._ppu_bus.connect(self._ppu_pattern)
self._ppu_bus.connect(self._ppu_name)
self._ppu_bus.connect(self._ppu_palette)
self._ppu = Ppu(self._ppu_bus)
# configure cpu
self._cpu_ram = Ram()
self._pgr = PGRRom()
self._pgr.load(nes.pgr)
self._papu_ram = PAuExp()
self._cpu_bus = Bus()
self._cpu_bus.connect(self._pgr)
self._cpu_bus.connect(self._cpu_ram)
self._cpu_bus.connect(self._papu_ram)
self._cpu_bus.connect(self._ppu.get_register())
self._cpu = Cpu6502(self._cpu_bus)
self._cpu.reset()
self._ppu.set_request_nmi(self._cpu.request_nmi)
self._addr_map, self._code = self._cpu.decode(0x8000, 0xFF00)
self._font = pygame.font.SysFont('inconsolatan', 24)
self._cpu_running = False
self._cpu_time_last = 0
def step(self):
run_cycles = self._cpu.run()
for _ in range(run_cycles):
self._ppu.run()
self._ppu.run()
self._ppu.run()
return 601 * run_cycles * 50
def draw_code(self, screen):
log = self._cpu.log()
pc = log['PC']
if pc in self._addr_map:
now_pos = self._addr_map[pc]
code_x_start = 550
code_y_start = 100
code_line = 0
code_height = 20
for pos in range(now_pos - 8, now_pos + 8):
if pos < 0 or pos >= len(self._code):
continue
if pos == now_pos:
now_code = self._font.render(self._code[pos], True,
(255, 0, 0))
else:
now_code = self._font.render(self._code[pos], True,
(0, 0, 0))
screen.blit(
now_code,
(code_x_start, code_line * code_height + code_y_start))
code_line += 1
def draw_flag(self, screen):
flag_x_start = 620
flag_y_start = 50
width = 20
flag_tips = self._font.render('Flags:', True, (0, 0, 0))
screen.blit(flag_tips, (550, flag_y_start))
# n v - b d i z c
char = 'nv-bdizc'
log = self._cpu.log()
flag = log['F']
for i in range(8):
if ((flag >> (7 - i))) & 1 == 1:
f = self._font.render(char[i], True, (0, 0, 0))
else:
f = self._font.render(char[i], True, (128, 128, 128))
screen.blit(f, (flag_x_start + i * width, flag_y_start))
def draw_reg(self, screen):
reg_x_start = 550
reg_y_start = 0
one_width = 100
one_height = 20
log = self._cpu.log()
reg_a = self._font.render('A: ${:02X}'.format(log['A']), True,
(0, 0, 0))
reg_sp = self._font.render('S: ${:02X}'.format(log['SP']), True,
(0, 0, 0))
reg_x = self._font.render('X: ${:02X}'.format(log['X']), True,
(0, 0, 0))
reg_y = self._font.render('Y: ${:02X}'.format(log['Y']), True,
(0, 0, 0))
screen.blit(reg_a, (reg_x_start, reg_y_start))
screen.blit((reg_sp), (reg_x_start + one_width, reg_y_start))
screen.blit(reg_x, (reg_x_start, reg_y_start + one_height))
screen.blit(reg_y, (reg_x_start + one_width, reg_y_start + one_height))
def draw_ppu(self, screen):
img = self._ppu.get_background(0)
screen.blit(img, (0, 0))
img = self._ppu.get_background(1)
screen.blit(img, (256, 0))
img = self._ppu.get_background(2)
screen.blit(img, (0, 240))
img = self._ppu.get_background(3)
screen.blit(img, (256, 240))
def draw_pattern(self, screen):
img = self._ppu.get_pattern_image()
width = int(256 * 1.125)
height = int(128 * 1.125)
img = pygame.transform.scale(img, (width, height))
screen.blit(img, (800 - width, 600 - height))
def draw_palettes(self, screen):
img = self._ppu.get_palettes_image()
img = pygame.transform.scale(img, (128, 64))
screen.blit(img, (0, 600 - 64))
def on_update(self, delta):
cnt = 0
if self._cpu_running:
self._cpu_time_last += delta * 1000000
while self._cpu_time_last > 0:
self._cpu_time_last -= self.step()
cnt += 1
# print('Times: {}, Cycles: {}'.format(delta, cnt))
def on_render(self, screen):
screen.fill(PALETTES[0])
self.draw_code(screen)
self.draw_reg(screen)
self.draw_flag(screen)
self.draw_ppu(screen)
self.draw_pattern(screen)
self.draw_palettes(screen)
# print(self._ppu.get_register().ctrl)
# print(self._ppu.get_register().status)
def on_event(self, event):
if event.type == pygame.locals.KEYDOWN:
if event.key == pygame.locals.K_s:
self._cpu_running = not self._cpu_running
self._cpu_time_last = 0
elif event.key == pygame.locals.K_r:
self._cpu.reset()
self._cpu_time_last = 0
elif event.key == pygame.locals.K_SPACE:
if not self._cpu_running:
self.step()
def on_init(self):
pygame.init()
self._display_surf = pygame.display.set_mode(self.size, pygame.HWSURFACE | pygame.DOUBLEBUF, 8)
# Set NES color palette.
self._display_surf.set_palette([
(0x75, 0x75, 0x75),
(0x27, 0x1b, 0x8f),
(0x00, 0x00, 0xab),
(0x47, 0x00, 0x9f),
(0x8f, 0x00, 0x77),
(0xab, 0x00, 0x13),
(0xa7, 0x00, 0x00),
(0x7f, 0x0b, 0x00),
(0x43, 0x2f, 0x00),
(0x00, 0x47, 0x00),
(0x00, 0x51, 0x00),
(0x00, 0x3f, 0x17),
(0x1b, 0x3f, 0x5f),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xbc, 0xbc, 0xbc),
(0x00, 0x73, 0xef),
(0x23, 0x3b, 0xef),
(0x83, 0x00, 0xf3),
(0xbf, 0x00, 0xbf),
(0xe7, 0x00, 0x5b),
(0xdb, 0x2b, 0x00),
(0xcb, 0x4f, 0x0f),
(0x8b, 0x73, 0x00),
(0x00, 0x97, 0x00),
(0x00, 0xab, 0x00),
(0x00, 0x93, 0x3b),
(0x00, 0x83, 0x8b),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xff, 0xff, 0xff),
(0x3f, 0xbf, 0xff),
(0x5f, 0x97, 0xff),
(0xa7, 0x8b, 0xfd),
(0xf7, 0x7b, 0xff),
(0xff, 0x77, 0xb7),
(0xff, 0x77, 0x63),
(0xff, 0x9b, 0x3b),
(0xf3, 0xbf, 0x3f),
(0x83, 0xd3, 0x13),
(0x4f, 0xdf, 0x4b),
(0x58, 0xf8, 0x98),
(0x00, 0xeb, 0xdb),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xff, 0xff, 0xff),
(0xab, 0xe7, 0xff),
(0xc7, 0xd7, 0xff),
(0xd7, 0xcb, 0xff),
(0xff, 0xc7, 0xff),
(0xff, 0xc7, 0xdb),
(0xff, 0xbf, 0xb3),
(0xff, 0xdb, 0xab),
(0xff, 0xe7, 0xa3),
(0xe3, 0xff, 0xa3),
(0xab, 0xf3, 0xbf),
(0xb3, 0xff, 0xcf),
(0x9f, 0xff, 0xf3),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00)
])
self._running = True
self.cartridge = Cartridge("../../test/ff.nes")
self.ppu = Ppu(self._display_surf)
self.papu = Papu()
self.cpu = Cpu(self.ppu, self.papu, self.cartridge, KeyboardController(self._display_surf))
self.cpu.power_on()
class Pynes:
def __init__(self):
self._running = True
self._display_surf = None
self.size = self.width, self.height = 512, 448
def on_init(self):
pygame.init()
self._display_surf = pygame.display.set_mode(self.size, pygame.HWSURFACE | pygame.DOUBLEBUF, 8)
# Set NES color palette.
self._display_surf.set_palette([
(0x75, 0x75, 0x75),
(0x27, 0x1b, 0x8f),
(0x00, 0x00, 0xab),
(0x47, 0x00, 0x9f),
(0x8f, 0x00, 0x77),
(0xab, 0x00, 0x13),
(0xa7, 0x00, 0x00),
(0x7f, 0x0b, 0x00),
(0x43, 0x2f, 0x00),
(0x00, 0x47, 0x00),
(0x00, 0x51, 0x00),
(0x00, 0x3f, 0x17),
(0x1b, 0x3f, 0x5f),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xbc, 0xbc, 0xbc),
(0x00, 0x73, 0xef),
(0x23, 0x3b, 0xef),
(0x83, 0x00, 0xf3),
(0xbf, 0x00, 0xbf),
(0xe7, 0x00, 0x5b),
(0xdb, 0x2b, 0x00),
(0xcb, 0x4f, 0x0f),
(0x8b, 0x73, 0x00),
(0x00, 0x97, 0x00),
(0x00, 0xab, 0x00),
(0x00, 0x93, 0x3b),
(0x00, 0x83, 0x8b),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xff, 0xff, 0xff),
(0x3f, 0xbf, 0xff),
(0x5f, 0x97, 0xff),
(0xa7, 0x8b, 0xfd),
(0xf7, 0x7b, 0xff),
(0xff, 0x77, 0xb7),
(0xff, 0x77, 0x63),
(0xff, 0x9b, 0x3b),
(0xf3, 0xbf, 0x3f),
(0x83, 0xd3, 0x13),
(0x4f, 0xdf, 0x4b),
(0x58, 0xf8, 0x98),
(0x00, 0xeb, 0xdb),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0xff, 0xff, 0xff),
(0xab, 0xe7, 0xff),
(0xc7, 0xd7, 0xff),
(0xd7, 0xcb, 0xff),
(0xff, 0xc7, 0xff),
(0xff, 0xc7, 0xdb),
(0xff, 0xbf, 0xb3),
(0xff, 0xdb, 0xab),
(0xff, 0xe7, 0xa3),
(0xe3, 0xff, 0xa3),
(0xab, 0xf3, 0xbf),
(0xb3, 0xff, 0xcf),
(0x9f, 0xff, 0xf3),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00),
(0x00, 0x00, 0x00)
])
self._running = True
self.cartridge = Cartridge("../../test/ff.nes")
self.ppu = Ppu(self._display_surf)
self.papu = Papu()
self.cpu = Cpu(self.ppu, self.papu, self.cartridge, KeyboardController(self._display_surf))
self.cpu.power_on()
def on_event(self, event):
if event.type == pygame.QUIT:
self._running = False
def on_loop(self):
if self.cpu.registers['pc'] in BREAKPOINTS:
raise Exception("Breakpoint at {0:#4x}".format(self.cpu.registers['pc']))
self.cpu.tick()
nmi = self.ppu.tick()
if nmi:
self.cpu.interrupt('NMI')
def on_render(self):
pass
def on_cleanup(self):
pygame.quit()
def on_execute(self):
if self.on_init() == False:
self._running = False
while( self._running ):
for event in pygame.event.get():
self.on_event(event)
self.on_loop()
self.on_render()
self.on_cleanup()
