SET A, 0x0
:loop         SET B, 0x21    ; SET B to be 0x21 (i.e chr !)
              ADD B, A       ; SET B to be 0x21 + incrementer
              SET C, 0x8000  ; 0x8000 is the base of the console device
              ADD C, A       ; SET up the offset into the console device
              SET [C], B     ; SET the memory in the console device
              ADD A, 1       ; Increment A
              IFN B, 0x7e    ; Check to see if we've gone past chr ~ 
                 SET PC, loop