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Date: July 16, 1987 14:15
From: CHARM::LIPSON
To: @SYS$MAIL:ENGINEER
ANNOUNCING! The end to last-minute, late-night checksumming of roms... No longer do you need to make two or three passes to get valid checksums for your files. CKSUM.EXE will accept any EXTEKHEX or VLDA file format and append records to it that will patch in the correct checksums (using the algorithms from GAUNTLET and SYSTEM I). Then you can download this file into a devsys or IMI and violin! it works! To use it, create a file.CKS with one line for each rom bank: :::::::::::: example :::::::::: CKSUM0 10000 27128 CKSUM1 18000 27128 CKSUM2 20000 27256 ::::::::::::::::::::::::::::::: then respond: CKSUM >filename ( for .HEX files ) or CKSUM >filename.VLDA ( for .VLDA files) or CKSUM >HELP! ( for help on options ) the file to run is: KIM$USERDISK:[LIPSON.CKSUM]CKSUM This assumes that your system uses a seperate low address/high address rom for each rom bank, so 6502 systems are out of luck. Please let me know if you have any other memory organization you need supported.
Jul 16, 1987