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- Path: sparky!uunet!elroy.jpl.nasa.gov!swrinde!gatech!pitt!willett!ForthNet
- From: ForthNet@willett.pgh.pa.us (ForthNet articles from GEnie)
- Newsgroups: comp.lang.forth
- Subject: An Open ANSI Forth Implementation
- Message-ID: <4043.UUL1.3#5129@willett.pgh.pa.us>
- Date: 6 Sep 92 13:07:26 GMT
- Organization: EIEI-U
- Lines: 84
-
- Category 10, Topic 41
- Message 77 Fri Sep 04, 1992
- B.DUNN5 [Brian] at 07:38 EDT
-
-
- > Clearly we are at the point now where it should be
- > possible to come up with library routines which provide similar
- > functionality between the Mac, Intuition, Windows, Gem and maybe X.
- > Or maybe I'm just naive.
-
- I am naive too. I made a little Forth shell overlaying Atari ST Gem calls in
- a generic manner. Basic window and event handling. Mike Hore is working on a
- similar shell for Mac's OS and his MOPS Forth. A little game which uses
- windows and mice and events via the generic words is working on both systems,
- from the same Forth source code.
-
- Neither one of us wrote windows from scratch. We just used the same name and
- parameters for existing functionality. All the sudden, generic window and
- event handling is portable.
-
- Some systems do funny things with windows, which would have to be broken to
- support a generic interface ( for example, Mach2 ties windows and tasks
- together on a one to one basis, rather than allowing any task to use any
- window ). For most systems, all it takes is matching parameters and names of
- your existing GUI interfaces to some agreed on base.
-
- I can post a quick list of the names and stack diagrams which I used, and the
- ST source is on GEnie's download area.
-
- ANS-Fig Forth could use the same names for the same functions on many systems,
- and large applications could use the same portable source on many platforms,
- for windows, device handling, file selectors, menus, random numbers, input
- output conversions, special keycodes, structures, arrays, simple task
- handling, basic sounds, fixed point trig, SQRT, sort, etc.
-
- Every Forth has them, they just call them different things. A conversion
- shell could be supplied with each vendor's Forth for use with portable source,
- while maintaining the special features provided by the particular vendor.
-
- ANS-Fig Forth is a great idea. People can write portable code usable on many
- machines, and college students need not pay a bundle.
-
- Vendors still have plenty of room for things like those Amiga multitasking
- tricks, network packages, fancy editors, optimization, assemblers, enhanced
- sound and graphics, databases, expert systems, multiuser systems, preemptive
- taskers, bizzare dictionaries, host object module linking, 3d graphics,
- elaborate debuggers, music languages, AI enhancements, support for many
- platforms, support for fancy PC expansion cards, good software floating point,
- MMU and other co-processor tricks, and whole applications. This is the stuff
- which a person would pay for.
-
- ANS-Fig Forth could draw lines and circles in a generic window while beeping
- and buzzing. A vendor Forth could draw filled and shaded 3d graphics at
- blinding speed on a page flipped display with a scrolling background and multi
- voice stereo sound. ANS-Fig Forth could have a standard way to send a
- character to a modem, while a vendor Forth could be running a ham radio AX-25
- packet radio node using out of the box software. ANS-Fig Forth could have a
- simple text editor with cut and paste. A vendor Forth could have multi
- windows, execute a line at a time, have outlining and formatted printout,
- keyboard macros, and be able to compile and patch single definitions.
-
- ANS-Fig Forth would be sufficient for most college programming projects, and
- could be used for sharing portable source code. In the meantime, if there
- were a $200 vendor Forth for my machine which made good use of every special
- piece of hardware I had plus provided a slick editor and debugger and
- optimized linkable object code and all the rest, while ALSO having a shell to
- run ANS Fig code, I would snatch that up in an instant.
-
- You public domain Forth implementers: let's agree on something more than DUP.
- Let's have portable structures to catch up with C, and portable windows to
- perhaps pass them. All we have to do is agree.
-
- You vendors: give us something we can't make ourselves in our spare time. Give
- us something which can make our machines smoke along in full color, stereo, FP
- copro'ed, MMU controlled, multiwindowed, AI driven glory.
-
- As was quoted previously:
- > Or maybe I'm just naive.
-
- -----
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