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CPM OPERATING SYSTEMS/CPM 2.X/CPM 2.2/PATCHES/CPM22PAT.06

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+                                       CP/M   V2.2
+                                 Patch 06, PIP, 01/21/82
+
+                          Copyright   1982 by Digital Research
+                   CP/M is a registered trademark of Digital Research.
+                         DDT is a trademark of Digital Research.
+                                 Compiled November 1982
+
+
+         Program:  PIP.COM
+          Products and Serial Numbers Affected:  CP/M   V2.2
+
+          Error Description:
+
+               When you use PIP to copy to the  PRN  logical  device,  the  LPT
+          physical  device  is automatically selected.  This patch disables the
+          selection of the LPT device and allows the PRN logical device  to  be
+          used without affecting the current IOBYTE setting.
+
+          Patch Procedure:
+
+               Make a back-up copy of PIP.COM before you make  any  changes.The
+          program  DDT   is required to make the changes.  The changes are made
+          by the following sequence of commands:
+
+
+                    0A>ddt pip.com
+                    DDT VERS 2.2
+                    NEXT  PC
+                    1E00 0100
+                    -lc66
+                      0C66  LXI H,0003
+                      0C69  MVI M,80
+                      0C6B  JMP 0C71
+                       . . .
+                    -ac69
+                      0C69  nop
+                      0C6A  nop
+                      0C6B  .
+                    -g0
+
+                    A>save 29 pip.com
+
+
+               Licensed users are granted the right to include these changes in
+          CP/M V2.2 software.