Path: utzoo!attcan!uunet!know!zaphod.mps.ohio-state.edu!uwm.edu!rutgers!orstcs!jacobs.CS.ORST.EDU!louxj
From: louxj@jacobs.CS.ORST.EDU (John W. Loux)
Newsgroups: comp.sys.handhelds
Subject: Re: PRG-> and ->PRG
Message-ID: <20905@orstcs.CS.ORST.EDU>
Date: 10 Oct 90 16:16:55 GMT
References: <3464@mindlink.UUCP>
Sender: usenet@orstcs.CS.ORST.EDU
Organization: Solve and Integrate Corp. - Corvallis
Lines: 23

In article <3464@mindlink.UUCP> a634@mindlink.UUCP (Rob Prior) writes:
>1:     << RCL DUP PURGE >>          (or whatever)
>PRG-> executed would give:
>6:                    <<
>5:                   RCL
>4:                   DUP
>3:                 PURGE
>2:                    >>
>1:                     5            (this all being accomplished
>                                     through the use of sysevals)
>->PRG would take the stack in part 2 and give you what you started with.

Do you mind if I ask what good this is?  Aside from that, something similar
can be accomplished by either creating the program as a LIST or converting the
program to a list and then using OBJ-> to decompose to the stack.  The result
is the same with the exception that the program delimiters are not among the
commands and functions on the stack.  ->LIST will recompose the object and
EVAL will run it as a program.  

``Give it a whirl sometime, Doctor.''

John W. Loux
john@solvint.uucp