Examples

 QFI>FRCB A 0 10	    Block read of 10 (dec) words from CSR space 0 at 
 		    primary address A (hex) in the local crate

 QFI>FRCB 4010B 2    Block read of 2 (dec) words from CSR space 2 at 
 		    primary address B (hex) from a remote crate using 
 		    an SSP cable segment. See HELP ROUTING for 
 		    information on communication with remote crates.

 QFI>DEFINE C1 40000  Set up a definition of "C1" as 40000 hex. (see
 		(HELP DEFINE for details)
 QFI>FRCB SSP1 C1 50
 		Block read of 50 (decimal) words from CSR "C1" 
 		(defined above as 40000 hex) at primary address defined by 
 		"SSP1".  "SSP1" is assumed to have been previously set up 
 		by a call to TREE or to FBWHO (see help TREE or FBWHO) and 
 		can be accessed by the SHODEF command.