     $B2-$B3/178-179:   Pointer: Start Address of Tape Buffer

      Points to $033C

      Used by Jiffy-DOS: REGSAV ($B2)

       Saved, then restored by Load routine (no other usage).

    Kernal-Reference:

     CMP ($B2),Y : $F7FF
     LDA ($B2),Y : $F1A9 $F56E $F573 $F57F $F588 $F739 $F757
     LDX $B2     : $F7D0
     SBC ($B2),Y : $F583 $F58C
     STA ($B2),Y : $F1F3 $F1FA $F3CE $F781 $F788 $F78D $F792 $F797 $F79C $F7AF
     STX $B2     : $FD63

     LDY $B3     : $F7D2
     STY $B3     : $FD65