CP/M V2.2 Patch 01, MOVCPM, 1/21/82 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: MOVCPM Products and Serial Numbers Affected: CP/M V2.2 Error Description: The following modification affects only CP/M systems that use the optional blocking and deblocking algorithms listed in the CP/M Operating System Manual. When you update a file under systems using the algorithms with no data added to the file, the last block of updated records is not written to that file. Contact Digital Reserach or your CP/M distributor if you are not certain that this patch applies to your system. Patch Procedure: Make a back-up copy of MOVCPM.COM before you use DDT to make the following changes. Use the Assemble command (A) and the Set command (S). After you make the changes, return to the Console Command Processor using the G0 command and save the modified memory image on disk. Update the memory image on tracks 0 and 1 by executing the new MOVCPM program as described in the CP/M Operating System Manual and by integrating your customized I/O system. A>ddt movcpm.com DDT VERS 2.0 NEXT PC 2700 0100 -alcd2 1CD2 nop Old instructions were 1CD3 nop DCR C 1CD4 lxi h,0 DCR C 1CD7 . JNZ 12DF -G0 Number of pages to save is determined from value displayed under NEXT. A>save 38 movcpm.com Install this patch on all CP/M systems that use the blocking/deblocking algorithms listed in the CP/M Operating System Manual. Licensed users are granted the right to include these changes in CP/M V2.2 software.