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Text File  |  1987-04-26  |  384 b   |  11 lines
  1. /* PL/I-80 direct BIOS disk calls */
  2.  
  3. declare
  4.     home        entry,
  5.     seldsk        entry(bin fixed(7),bin fixed(7))
  6.                                         returns(pointer),
  7.     settrk        entry(bin fixed(15)),
  8.     setsec        entry(bin fixed(15)),
  9.     setdma        entry(pointer),
  10.     read        entry                    returns(bin fixed(7)),
  11.     write        entry(bin fixed(7))        returns(bin fixed(7)); no_rdisk_msg        pointer,è            3 nempty_msg        pointer,è            3 bad_parm_m