I just read a post
(http://www.classiccmp.org/pipermail/cctech/2002-August/001280.html)
describing a machine-language development module for the 41 ...
Anybody seen this or heard of it?
MLDL unit for 41 ??
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07-12-2003, 04:34 PM
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07-12-2003, 05:39 PM
Hi; Meindert Kuipers is the name of the man who developed a custom MLDL for the HP41. This is one of his posts. I'm almost sure he will not feel bothered reading an e-mail from you. And he is a regular contributor, soon you'll be answered by him, too. Best regards. Luiz (Brazil)
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07-12-2003, 06:11 PM
So, is this MLDL2000 the same unit?
Thanks for your response,
07-12-2003, 06:18 PM
Come to think of it, the 41 m-code book I'm looking at which mentions this is copyright 1985 - so there is definitely an older version of this module. ▼
07-12-2003, 06:28 PM
Hi; As far as I know, Meindert is developing his custom version "from scratch". I've been following his posts, but I'd like being closer to his project. It is a teasing, amazing activity. Sorry, I have no further information. Meidert maintains a page where all of the developmetn is kept as doc files. I do not have the e-address right now... Best regards. Luiz (Brazil)
07-12-2003, 08:32 PM
Hi,
of course there are various other MLDL-type hardware extensions for the HP-41. Names which come to mind are: ProtoCoder, ERAMCO-MLDL, MBK ProfiSet, W&W RAMBox, VM HEPAX module, HP-41CY, and maybe more which I don't recall at the moment... Some only had EPROM sockets, other have RAM, and some have both, like the ProfiSet. As Luiz wrote, Meindert is building a new MLDL-type ROM simulator or RAMBox from scratch. This is a very cool thing, and I hope to be able to get a unit when he publishes the box:-)
Raymond
07-13-2003, 03:45 AM
I heard my name mention a few times, it almost makes me blush ... I have a preliminary spec at www.kuipers.to/hp41. I have alomst finished an updated spec which I hope to upload somewhere during next week. My MLDL is a completely new design. I have learned from other designs, but mine has a different approach. There is now progress (had to fix a serious bug and do redesign) and I am busy simulating the thing. I hope to be able to build a new prototype before I leave for my summer vacation in sunny France (do not despair if you do not see any posts for a few weeks from me) but I will take my notebook and will be able to do some software development. Please email me for any questions you might have ... Meindert ▼
07-13-2003, 06:08 PM
re: "... my summer vacation in sunny France (do not despair if you do not see any posts for a few weeks from me) but I will take my notebook and will be able to do some software development." Now there's the OPERATIONAL definition of geek/nerd! (And, I bet we all do it! I'm currently debating whether to take a laptop when I go visiting parents and in-laws in a few weeks. I will, at least, take my bookmarks and history files on a floppy so I don't lose my place in this forum.)
07-13-2003, 07:02 PM
Dear Meindert, ▼
07-14-2003, 02:43 AM
I am NOT a nerd. The main reason I take my notebook is that my kids can watch a DVD in the back of my car ;) Nerds do not have families (or do they ...). And I will not be able to go online anyway. And Emmanuel is totally right: I will enjoy the French Atlantic coast (though much further south than Emmanuel is) with its wines, cheeses, fish and all the other good things in life. Meindert |