本文整理汇总了Python中memory.Memory.read_word方法的典型用法代码示例。如果您正苦于以下问题：Python Memory.read_word方法的具体用法？Python Memory.read_word怎么用？Python Memory.read_word使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类memory.Memory的用法示例。
在下文中一共展示了Memory.read_word方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Stack
# 需要导入模块: from memory import Memory [as 别名]
# 或者: from memory.Memory import read_word [as 别名]
class Stack(object):
def __init__(self, size):
self._stack = Memory(size)
self._sp = 0
def push(self, word):
self._sp -= 2
self._stack.write_word(self._sp, word)
def pop(self):
self._sp += 2
return self._stack.read_word(self._sp-2)
def set_position(self, position):
self._sp = position
def position(self):
return self._sp
def __repr__(self):
return str(self._stack)示例2: Chip8
# 需要导入模块: from memory import Memory [as 别名]
# 或者: from memory.Memory import read_word [as 别名]
class Chip8(object):
ENTRY_POINT = 0x200
REG_COUNT = 16
KEY_COUNT = 16
def __init__(self):
self.registers = bytearray(self.REG_COUNT)
self.index_register = 0
self.program_counter = self.ENTRY_POINT
self.memory = Memory()
self.screen = Screen()
self.keyboard = bytearray(self.KEY_COUNT)
self.stack = []
self.delay_timer = 0
self.sound_timer = 0
self.INSTRUCTION_SET = {
0x00E0: self.op_00E0,
0x00EE: self.op_00EE,
0x1 : self.op_1NNN,
0x2 : self.op_2NNN,
0x3 : self.op_3XNN,
0x4 : self.op_4XNN,
0x5 : self.op_5XY0,
0x6 : self.op_6XNN,
0x7 : self.op_7XNN,
0x8000: self.op_8XY0,
0x8001: self.op_8XY1,
0x8002: self.op_8XY2,
0x8003: self.op_8XY3,
0x8004: self.op_8XY4,
0x8005: self.op_8XY5,
0x8006: self.op_8XY6,
0x8007: self.op_8XY7,
0x800E: self.op_8XYE,
0x9000: self.op_9XY0,
0xA : self.op_ANNN,
0xB : self.op_BNNN,
0xC : self.op_CXNN,
0xD : self.op_DXYN,
0xE09E: self.op_EX9E,
0xE0A1: self.op_EXA1,
0xF007: self.op_FX07,
0xF00A: self.op_FX0A,
0xF015: self.op_FX15,
0xF018: self.op_FX18,
0xF01E: self.op_FX1E,
0xF029: self.op_FX29,
0xF033: self.op_FX33,
0xF055: self.op_F055,
0xF065: self.op_FX65,
}
def decode(self, op):
if op in [0x00E0, 0x00EE]: # special case
return (op, tuple())
instruction = I(op)
if instruction in [0x0, 0x1, 0x2, 0xA, 0xB]:
args = (NNN(op),)
elif instruction in [0x3, 0x4, 0x6, 0x7, 0xC]:
args = X(op), NN(op)
elif instruction == 0x5:
args = X(op), Y(op)
elif instruction == 0xD:
args = X(op), Y(op), N(op)
elif 0x8000 <= instruction <= 0x9000:
args = X(op), Y(op)
elif instruction >= 0xE:
args = (X(op),)
return instruction, args
def execute(self, instruction, args):
if instruction not in self.INSTRUCTION_SET:
raise NotImplementedError('{:04x} - {}'.format(instruction, args))
self.INSTRUCTION_SET.get(instruction)(*args)
def fetch(self):
return self.memory.read_word(self.program_counter)
def cycle(self):
word = self.fetch()
instruction, args = self.decode(word)
self.execute(instruction, args)
if self.delay_timer > 0:
self.delay_timer -= 1
if self.sound_timer > 0:
if self.sound_timer == 1:
#.........这里部分代码省略.........