markrobertwills's articles:

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Buffer access with bounds checking... 25 64 (8/31/2012 1:51:58 PM) comp.lang.forth While writing about memory buffer overruns in a different thread earlier today, I was inspired to have a bash at writing some code that would allow safe read/write access to memory buffers. I came up with ... Mark

DEFER/IS 13 44 (8/8/2012 9:21:25 AM) comp.lang.forth Does IS have a compile-time counter-part (for example [IS] ) that allows it to be used in a colon definition? Example (somewhat contrived, apologies): defer result : odd ." Odd" cr ; : even ." Even" cr... Mark

+LOOP (for Coos) 10 34 (8/1/2012 2:34:00 PM) comp.lang.forth Coos, if you happen to see this... You said in a +LOOP thread back in late 2010: ----------------------------------------------------- +LOOP is one of the more intricate Forth constructs and hardly intuit... Mark

16.6.2.0715 ALSO 19 36 (7/31/2012 12:33:55 PM) comp.lang.forth ( -- ) Transform the search order consisting of widn, ... wid2, wid1 (where wid1 is searched first) into widn, ... wid2, wid1, wid1. An ambiguous condition exists if there are too many word lists in the sear... Mark

16.6.1.2460 WORDLIST 9 31 (7/31/2012 12:31:38 PM) comp.lang.forth ( -- wid ) Create a new empty word list, returning its word list identifier wid. The new word list may be returned from a pool of preallocated word lists or may be dynamically allocated in data space. A sys... Mark

GA144 article 61 52 (7/18/2012 10:48:12 AM) comp.lang.forth Posted just two days ago: http://www.designspark.com/content/hands-144-core-processor ... Mark

ENVIRONMENT? 86 46 (7/3/2012 12:03:44 PM) comp.lang.forth Why on earth does ENVIRONMENT accept a string? Why couldn't it simply be a numeric value? It's annoying that ENVIRONMENT? is part of ANS Core, yet it's a rather sizeable routine, because of the strings tha... Mark

More on Forth Computer in Minecraft 4 68 (6/7/2012 8:34:14 PM) comp.lang.forth Shows the 'computer' inside Minecraft (a game) being programmed in Forth using the block editor. It looks like it's a fully featured Forth in a game! http://www.youtube.com/watch?feature=player_embedded&... Mark

STATE IMMEDIATE and POSTPONE 0 45 (4/27/2012 10:54:02 AM) comp.lang.forth I thought this article might stimulate some debate! ------------------------------------------------------------------------ All you need to know about STATE, IMMEDIATE and POSTPONE Jack Brien Forthwrite FIG-... Mark

Another question re LEAVE 9 38 (4/19/2012 1:44:23 PM) comp.lang.forth See original topic here: http://groups.google.com/group/comp.lang.forth/browse_thread/thread/34f5f0a8a70dc66b?tvc=2 I'm starting a new thread because google groups won't let me reply to the thread - on the au... Mark

markrobertwills's replies:

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MISC - Stack Based vs. Register Based 61 17 (3/29/2013 9:00:50 PM) comp.arch.fpga I have been working with stack based MISC designs in FPGAs for some years. All along I have been comparing my work to the work of others. These others were the conventional RISC type processors supplied by... gnuarm (2670)

Parallax Propeller #3 52 29 (1/13/2013 6:37:05 AM) comp.arch.embedded For some reason I found myself reading these newsgroups which I haven't really used for many years. It seems that although the Parallax Propeller web forums are extremely active there never seems to be mu... peterjakacki (29)

Buffer access with bounds checking... 25 64 (8/31/2012 1:51:58 PM) comp.lang.forth While writing about memory buffer overruns in a different thread earlier today, I was inspired to have a bash at writing some code that would allow safe read/write access to memory buffers. I came up with ... markrobertwills (871)

Single Step Debugging, why or why not? 21 48 (8/30/2012 6:27:20 PM) comp.lang.forth I thought that I had my brain wrapped around the issue of single stepping a= nd why it may be discouraged in Forth. But, then recently my brain went 't= hump' and straightened itself out. So, I wanted to as... jasondamisch (252)

polyFORTH Reference Manual published by Greenarrays 5 51 (8/29/2012 2:33:02 AM) comp.lang.forth I have received the following message from Greg Bailey of Greenarrays, which he has encouraged me to publicize: ---------------------- After much effort by Leon, Elizabeth, Stefan Mauerhofer and me, we ... erather (2080)

Implementing ." in forth 20 55 (8/23/2012 2:12:52 PM) comp.lang.forth I am trying to write a small compatability harness for Mini (mini.terra- weather.com) and am stumbling over ." (Mini has built-in strings, and uses . instead of ." ) Anyway, I see it needs: 1) a PARSE ... invalid456 (3081)

abstraction: do haskell and lisp beat forth in abstraction? or no? 38 62 (8/22/2012 8:20:02 PM) comp.lang.forth curious if forth can be as high level? ... visploveslisp (167)

Comparative Productivity of Programming Languages 164 118 (8/22/2012 4:43:56 AM) comp.lang.forth Today I read an Dr.Dobb's article named=20 "The Comparative Productivity of Programming Languages" They say "The problem is that measuring productivity is invariably viewed a= s more of an art than scienti... visualforth (74)

Good Documentation 12 24 (8/21/2012 8:07:20 PM) comp.lang.forth Just for kicks and buckles, what percentage of documentation which you have seen is something you would actually call 'good'? 40% ? 20 ? Jason ... jasondamisch (252)

continue equivalent in Forth? 64 54 (8/19/2012 2:28:42 AM) comp.lang.forth When I am in a begin-while-repeat loop, I sometimes would like to go to the top of the loop. The "continue" keyword in C is what would help me perfectly here. Is there a "continue" like word in Forth? ... programmingkidx (18)