User Symbols (PL/I)

 
idmscu19
 
  • :DRn
    for a debugger general register, where
    n
    represents the number of the register and can have a value of 0 through 15
  • :DREGS
    for all debugger registers
  • :H1
    and
    :H2
    for halfword 1 and halfword 2
  • :F1
    and
    :F2
    for fullword 1 and fullword 2
  • :UCHR
    for a 48-byte character area
    You can also refer to specified sections of this area:
    • :UC0
      , the first 16 bytes
    • :UC16
      , the next 16 bytes
    • :UC32
      , the last 16 bytes