def execution(read_data1: Register, read_data2: Register, sign_extend: Bin,
write_reg: Register, control_signal: dict, instruction_eng):
temp = namedtuple('Execution', [
'alu_result', 'write_data', 'write_reg', 'control_signal',
'instruction_eng'
])
if read_data1 is None or\
read_data2 is None or\
sign_extend is None or\
write_reg is None or\
control_signal is None:
return temp(None, None, None, None, None)
alu_control = alu_control_unit(control_signal.pop('alu_op'),
sign_extend[0:6])
read_data_2_alu = mux([read_data2.read_data(), sign_extend],
control_signal.pop('alu_src'))
alu_out = alu(read_data1.read_data(), read_data_2_alu, alu_control)
return temp(alu_out.result, read_data2, write_reg, control_signal,
instruction_eng)
def memory(alu_result: Bin, write_data: Register, write_reg: Register,
control_signal: dict, instruction_eng):
temp = namedtuple('Memory', [
'read_data', 'alu_result', 'write_reg', 'control_signal',
'instruction_eng'
])
if alu_result is None or\
write_data is None or\
write_reg is None or\
control_signal is None:
return temp(None, None, None, None, None)
if control_signal.pop('mem_write'):
data_mem[int(alu_result)] = write_data.read_data()
if control_signal.pop('mem_read'):
read_data = data_mem[int(alu_result)]
else:
read_data = None
return temp(read_data, alu_result, write_reg, control_signal,
instruction_eng)
