SRLAT (Not working!)

DEF NOT
  PORT IN A
  PORT OUT Z
  INST NAND1 NAND A A Z
ENDDEF

DEF FANOUT
  PORT IN A
  PORT OUT Z0
  PORT OUT Z1
  NET P
  INST NOT1 NOT A P
  INST NOT2 NOT P Z0
  INST NOT3 NOT P Z1
ENDDEF

DEF SRLAT
  PORT IN S
  PORT IN R
  PORT OUT QT
  PORT OUT QC
  NET P
  NET Q
  NET U
  NET V
  INST NAND1 NAND U R P
  INST NAND2 NAND V S Q
  INST FANOUT1 FANOUT P V QT
  INST FANOUT2 FANOUT Q U QC
ENDDEF