Re #6790 backspace should perform delete on console
VAAI (XXX ATS support for COMSTAR, YYY Block-copy support for COMSTAR)

*** 327,336 ****
--- 327,337 ----
  /*
   * Group 4 Commands, All Devices
   */
  #define SCMD_GROUP4             0x80
  #define SCMD_EXTENDED_COPY      0x83
+ #define SCMD_RECV_COPY_RESULTS  0x84
  #define SCMD_VERIFY_G4          0x8f
  
  /*
   * Group 4 Commands, Direct Access Devices
   */
*** 355,364 ****
--- 356,366 ----
  /*
   * Group 4 Commands, Sequential Access Devics
   */
  #define SCMD_WRITE_FILE_MARK_G4 0x80
  #define SCMD_READ_REVERSE_G4    0x81
+ #define SCMD_COMPARE_AND_WRITE  0x89
  #define SCMD_READ_ATTRIBUTE     0x8c
  #define SCMD_WRITE_ATTRIBUTE    0x8d
  #define SCMD_SPACE_G4           0x91
  #define SCMD_LOCATE_G4          0x92