Emulator is being developed at https://github.com/skkwan/cmssw/blob/devel-Phase2RCTCluster/L1Trigger/L1CaloTrigger/plugins/Phase2L1CaloEGammaEmulator.cc.
The RCTSLRA360 and RCTSLRB360 directories were saved on Thursday November 18, 2021 and use the new SLRA/SLRB geometry documented by Sascha: https://indico.cern.ch/event/1098343/