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Text File  |  2000-06-30  |  2KB  |  42 lines
  1.                                        CP/M   V2.2
  2.                                  Patch 06, PIP, 01/21/82
  3.  
  4.                           Copyright   1982 by Digital Research
  5.                    CP/M is a registered trademark of Digital Research.
  6.                          DDT is a trademark of Digital Research.
  7.                                  Compiled November 1982
  8.  
  9.  
  10.          Program:  PIP.COM
  11.           Products and Serial Numbers Affected:  CP/M   V2.2
  12.  
  13.           Error Description:
  14.  
  15.                When you use PIP to copy to the  PRN  logical  device,  the  LPT
  16.           physical  device  is automatically selected.  This patch disables the
  17.           selection of the LPT device and allows the PRN logical device  to  be
  18.           used without affecting the current IOBYTE setting.
  19.  
  20.           Patch Procedure:
  21.  
  22.                Make a back-up copy of PIP.COM before you make  any  changes.The
  23.           program  DDT   is required to make the changes.  The changes are made
  24.           by the following sequence of commands:
  25.  
  26.  
  27.                     0A>ddt pip.com
  28.                     DDT VERS 2.2
  29.                     NEXT  PC
  30.                     1E00 0100
  31.                     -lc66
  32.                       0C66  LXI H,0003
  33.                       0C69  MVI M,80
  34.                       0C6B  JMP 0C71
  35.                        . . .
  36.                     -ac69
  37.                       0C69  nop
  38.                       0C6A  nop
  39.                       0C6B  .
  40.                     -g0
  41.  
  42.                     A>save 29