Re: P-Lisp additions and notes

["John B. Matthews" <nospam@nospam.com>]

In article <goadnVl2t7xx1PDVnZ2dnUVZ_tDinZ2d@comcast.com>,
 "Michael J. Mahon" <mjmahon@aol.com> wrote:

> rtk wrote:
> > On Jul 3, 1:22 pm, "John B. Matthews" <nos...@nospam.com> wrote:
> > 
> >>I see what you mean about the S type file. Copy ][+ and Apple's SU copy
> >>it, but the LISP binary can't load it.
> > 
> > 
> > If one were really curious to see what is in the files I think one of
> > my old disk editor programs will change the file type to something
> > else, like B.  Then you could copy it and get a nice hex dump with
> > ECP-8.  But, I suspect it is just pointers to pointers to pointers.  I
> > did look at a hex dump of the Lisp executable hoping to see the names
> > of intrinsic commands but they are not stored as ASCII strings.  I
> > tried running Lisp under ProDOS and it bombs.
> > 
> > Of course, the big question:  what to do with it? :)
> 
> Best to change it to a TXT file, since that won't result in the first
> four bytes being interpreted as address and length.
> 
> Most disk utilities will allow any type of file to be examined in
> hex format.

My stars, it's full of pointers! $5400 of 'em. And not _quite_ regular 
enough to construct at run time. Then there's code again at +$5500. The 
Lisp binary runs to the : prompt, but (LOAD BASE) bombs.

$ ac -g ~/Desktop/lisp/lisp.dsk base | hd 
000000: 00 00 00 00 00 00 00 00 00 00 00 95 04 00 3c 00  ..............<.
000010: 40 00 40 80 00 00 00 00 00 ff c0 ff ff ff ff ff  @.@.............
000020: ff ff ff ff ff fc 00 00 00 00 00 00 00 00 00 00  ................
000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
*
000100: 00 72 40 04 00 72 40 08 00 72 40 0c 00 72 40 10  .r@..r@..r@..r@.
000110: 00 72 40 14 00 72 40 18 00 72 40 1c 00 72 40 20  .r@..r@..r@..r@ 
000120: 00 72 40 24 00 72 40 28 00 72 40 2c 00 72 40 30  .r@$.r@(.r@,.r@0
000130: 00 72 40 34 00 72 40 38 00 72 40 3c 00 72 40 40  .r@4.r@8.r@<.r@@
...
-- 
John B. Matthews
trashgod at gmail dot com
home dot woh dot rr dot com slash jbmatthews