CP/M Plus.. V3.0 Patch 10, DIRLBL patch 01, 5/1/83 Copyright....1983 by Digital Research CP/M Plus and SID are trademarks of Digital Research. Compiled July 1983 Note: This file is extracted from the file called CPM+PAT.PAT that exists on some RCP/M systems. This patch has an error in that file. This is corrected and verified on the phone with DRI's technical support center. 30 Oct 84....dave mabry Program: DIRLBL.RSX Products and Serial Numbers Affected: CP/M Plus.. V3.0 2-000-00001 through 2-000-xxxxx Error Description: In some circumstances, DIRLBL destroys critical addresses at the end of the file descriptor area. It also does not allocate enough local stack for some BIOS implementations. Both situations result in a hung system. Patch Procedure: Make a back-up copy of DIRLBL.RSX before making any changes. Use SID.. to patch DIRLBL.RSX with the following series of commands: A>ren dirlbl.sav=drlbl.rsx A>sid dirlbl.sav CP/M 3 SID - Version 3.0 NEXT MSZE PC END 0700 0700 0100 D4FF #s101 0101 1E 0 0102 04 5 0103 00 . #s230 0230 1E 3E 0231 05 . #a375 0375 call 053e 0378 . #m61E,6FF,700 #f600,6FF,0 #a63e 063E mov e,m 063F inx h 0640 mov d,m 0641 xchg 0642 shld 04ad 0645 ret 0646 . #f780,79f,0 #f7e0,7ff,1a #s788 0788 00 8 0789 00 . #wdirlbl.rsx,100,7ff 000Eh record(s) written. #g0 A>gencom set.com GENCOM completed. A>gencom set.com dirlbl.rsx GENCOM completed. A> Licensed users are granted the right to include these changes in CP/M Plus V3.0 software.