BuYzzg'30-OCT-99-20:16:11 30-OCT-99-20:16:11 (30-OCT-9920:16:127.0 version of GHDL! HALFADDER_X4ABVSSCOUTVDD#$WD24ACTION$1TEMPS#$WD25ACTION$1TEMPS0 SOUT !$WD24ACTION [1:1]!$WD25ACTION [1:1] INPUT INPUT WIRE  WIRESUPPLY1SUPPLY0/ *  * Circuit halfadder_x4 ( Input a , Input b , Output cout , Output sout , Supply1 vdd , Supply0 vss ); WIRE sout := (a xor b) ; WIRE cout := (a and b) ; EndCircuit N&30-OCT-99-20:16:11 30-OCT-99-20:16:11TTL090CIRCUIT\13 Symbols 1 Elements 6 Carriers 17 Objects 6 Terminals 2 Action lists 2 Actions 0 RamRoms A 1 B 1 COUT 4 SOUT 4 VDD 8 VSS 7 30-OCT-99-20:16:11 30-OCT-99-20:16:11 1 7 1 20