ocr: 31 28 27 2524 2322212019 1615 Cond 100 PlU Rn Register list Base register Load/Store bit 0- Store tor memory 1-1 Loadi drom memory Write-back bit 0-r no write- back 1-v write address into base PSR & force user bit 0- do not load PSR ort force user mode 1- load PSR ort force user mode Up/Down bit 0-0 down; subtract offset from base 1- upci add offset to base Pre/Post indexing bit 0- post; add offset atter transfer 1- pre; add offset tefore transfer Condition field