LIST STORAGE ( R13, 64 ) ;                                                
results in:                                                                
1F60B718  00028C28 00000000 00FDCF98 00000000   *...........q....*         
1F60B728  00000000 00000000 00000000 1F60B258   *.............-..*         
1F60B738  1F60B8D0 9F6C54C4 9F6753D8 1F60B830   *.-...%.D...Q.-..*         
1F60B748  1F60B800 1F60B38C 1F761D48 1F585A78   *.-...-........Ü.*         
but the address contained in R13 is X'28C28', not 1F60B718.