def __call__(self, word) -> None:
self.word = word
self.op_code = self.word.get_opcode()
self.rs = ( ((1 << 5) - 1) & (self.word.data >> (21) ) )
self.rt = ( ((1 << 5) - 1) & (self.word.data >> (16) ) )
self.imediate = TwoComp.two_complement(( ((1 << 16) - 1) & (self.word.data >> (0) ) ), 16)
self.rs_number = self.rs
self.rt_number = self.rt
return self
def __call__(self, word: Word) -> None:
self.word = word
self.op_code = self.word.get_opcode()
self.base = (((1 << 5) - 1) & (self.word.data >> (21)))
self.ft = (((1 << 5) - 1) & (self.word.data >> (16)))
self.offset_raw = (((1 << 16) - 1) & (self.word.data >> (0)))
self.offset = TwoComp.two_complement(self.offset_raw, 16)
self.ft_number = self.ft
return self
def execute(self, registers: Registers, program_counter, memory: Memory,
*args, **kwargs):
local_registers = registers
immediate_value = self.imediate
rs_register = local_registers.get_register(self.rs_number)
rs_address = rs_register.get_data_unsigned()
word = memory.load(rs_address + immediate_value * 4)
word = (((1 << 16) - 1) & (word >> (0)))
word = TwoComp.two_complement(word, 16)
local_registers.set_register_value(self.rt_number, word)
return local_registers, program_counter + 4, memory, kwargs[
'coprocessor'].registers
def __call__(self, word) -> None:
self.word = word
self.op_code = self.word.get_opcode()
self.address_raw = ( ((1 << 26) - 1) & (self.word.data >> (0) ) )
self.jump_address = TwoComp.two_complement(self.address_raw, 26)
return self
def get_data_unsigned(self):
return TwoComp.unsigned(self.value.data, 32)
def get_data(self):
return TwoComp.two_complement(self.value.data, 32)
def to_unsigned_int(self):
return TwoComp.unsigned(self.value.data, 32)
def to_signed_int(self):
return TwoComp.two_complement(self.value.data, 32)
def decode(self, registers: Registers, *args, **kwargs) -> str:
rs_name = registers.get_register_name(self.rs_number)
rt_name = registers.get_register_name(self.rt_number)
immediate_value = TwoComp.two_complement(self.imediate, 15)
return f"{self.instruction_name} {rt_name}, {rs_name}, {immediate_value}" # noqa: E501