gistfile1.txt

# read the bytes from the I2C device
eight8 = bus.read_byte_data(address, 0x88)
eight9 = bus.read_byte_data(address, 0x89)

# get the high byte without the top bit ( sign bit )
high_byte = eight9 & 127

# get the sign bit as a 1 ( negative ) or a 0 ( possitive )
high_byte_sign = (eight9 & 128) >> 7 # get top bit

# get the low byte ( no adjustments needed )
low_byte = eight8

# generate -1 for negative, or 1 for possitive
sign = -1 if high_byte_sign == 1 else 1

# shift the high byte up by 8 bits, add the low byte, and multiply by the sign bit
dig_T1 = sign * ( (high_byte * 256) + low_byte )

print(dig_T1)