def add(rs, rt, rd):
if check_offset_field(rs) and check_offset_field(rt):
# rd = rs + rt
instruction = ("0000000000" + to_binary_str(rs, 3) +
to_binary_str(rt, 3) + "0000000000000" +
to_binary_str(rd, 3))
# return instruction
return binary_str_to_decimal(instruction)
def jalr(x0, x1):
ans = "101"
if check_isregister(x0):
bi0 = to_binary_str(x0, 3)
ans = ans + bi0
if check_offset_field(x1):
bi1 = to_binary_str(x1, 3)
ans = ans + bi1
ans = ans + "0000000000000000"
return binary_str_to_decimal(ans)
def lw(field0, field1, field2):
opcode = "010"
code = remain_code(opcode, field0, field1, field2)
return binary_str_to_decimal(code)
def halt():
return binary_str_to_decimal(f"110{to_binary_str(0,22)}")
def noop():
return binary_str_to_decimal(f"111{to_binary_str(0,22)}")