|subtracter_1
X => U1.IN0
X => BOUT~0.IN0
Y => U1.IN1
Y => BOUT~1.IN0
Y => BOUT~3.IN0
BIN => BOUT~2.IN0
BIN => BOUT~3.IN1
BIN => D~0.IN0
D <= D~0.DB_MAX_OUTPUT_PORT_TYPE
BOUT <= add~1.DB_MAX_OUTPUT_PORT_TYPE


