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From: humphrie@unmvax.UUCP (stanley humphries)
Newsgroups: net.micro
Subject: Re: UNPRO for MSDOS BASIC
Message-ID: <1079@unmvax.UUCP>
Date: Wed, 28-May-86 10:35:36 EDT
Article-I.D.: unmvax.1079
Posted: Wed May 28 10:35:36 1986
Date-Received: Fri, 30-May-86 07:28:03 EDT
References: <944@brl-smoke.ARPA> <401@ptsfb.UUCP>
Organization: Univ. of New Mexico, Albuquerque
Lines: 42

> In article <944@brl-smoke.ARPA> JFORREST@SIMTEL20.arpa (Jim Forrest) writes:
> >I have an UNPRO.COM to unprotect a basic file saved with the ,P in
> >the save command for CP/M. I have a friend who saved an MSDOS Basic
> >program that way and now cannot list the program. Do you know where I 
> >can get an UNPROTECT program for MSDOS Basic?
> >Jim
> 
> ***********
> Sorry to post this to the net but Jim didn't provide much of an
> address, telephone number or whatever.... (To net users, PLEASE do give
> your phone number and address in your postings...This is an ARPANET
> feed, isn't it?  Don't they have phones and addresses???) Fortunately, this
> might be useful to others otherwise I wouldn't have bothered responding
> at all....
> ***********
> 
> In IBM PC-DOS, a file saved using the ,P option can be recovered by
> going into BASIC/BASICA and entering:
> 
> NEW
> DEF SEG
> BSAVE,"UN.P",1124,1
> LOAD"filename"
> BLOAD,"UN.P",1124
> 
> where filename is the name of the file that was saved with the P
> option.  It may work for generic MSDOS also.
> -- 
> Mitch Che	Pacific Bell
> ---------------------------------------
> disclaimer, disclaimer, disclaimer, too
> (415) 823-2438	uucp: {ihnp4,dual}!ptsfa!ptsfb!che

The above program to unprotect BASIC programs will only work on an IBM PC. I had tried it on the Z-150, it did not work. One version that works is as follow:
	DEBUG
	-E100 ff,1a
	-N UNPROT.BAS
	-RCX
	2
	-W
	-Q
It also works to recover program accidentally lost by issuing a NEW command.