Refer the user to MAME package for chdman and other utilities.diff -r0 -r1.1 pkgsrc/emulators/mess/MESSAGE
(shattered)
===========================================================================
$NetBSD: MESSAGE,v 1.1 2012/06/03 09:33:48 shattered Exp $
chdman, jedutil, ldresample, ldverify, romcmd and unidasm utilities are
installed by the emulators/mame package.
===========================================================================