Differences between the files on the Commodore 128 CP/M system disks Composed by Marko Mäkelä on January 3, 1998 cpm+.sys Different in each version (because of serial number) pip.com Differences between the two copies of the 28May87 version, which added 1581 support. Before the addition of 1581 support, this file always had the same contents. format.com The 28May87 version added 1581 support and removed some features. help.hlp Some typographic errors were corrected and stuff was added in the 1986 version (by Commodore Frankfurt). The 28May87 version does not contain these modifications. Files that are present only on some disks: c1571.com This program, only available in the 28May87 version, turns off the write-verify on the 1571 disk drive. conf.com conf.hlp This program, only available in the 28May87 version, can be used to configure CP/M. read.me This note is only present in the 28May87 version. dir.com This program, present on all utility disks, is only present in the 1986 version (by Commodore Frankfurt). screen40.com This program is missing from the 1986 version. Maybe it was deleted in order to make dir.com fit on the system disk?