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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘History’ Category

FrontDoor is being resurrected…

Posted by jpluimers on 2017/08/29

After 3 years silence, JoHo has managed to resurrect the DOS version of FrontDoor and blogs about it at [Areboot . defsol . com | Waiting for a call or event.

Found out via [WayBack] So, after having been asleep for some 15 years, it appears this is actually happening #frontdoor #fidonet <ht… – Joaquim Homrighausen – Google+

So I had a private chat with JoHo, where he wrote me this:

After three years of “silence”, and some 15+ years since the last code update, JoHo has appeared on the FidoNet scene once again. Having relased FrontDoor in 1986, I guess it’s safe to say he’s been around (FidoNet) longer than most people.

The biggest issue(s) seem to have been finding all the bits and pieces required to make/update FrontDoor, its utilities, as well as the long dead license key/code generator. Another issue is, of course, to find a suitable operating environment to put the pieces together in.

JoHo has stated that what used to be called the “Commercial/MultiLine” version of FrontDoor is what every future of version will be, except not so “Commercial”. You can get a free license by simply sending him an e-mail. Look at for more details.

The “Reboot” project, as JoHo calls it, will have some details released at There is also a Facebook group available for FrontDoor users.

When asked “Why are you doing this now?”, JoHo responds with “Have you ever seen ‘Finnish Swamp Wrestling’ on YouTube? There is no ‘Why’, there is only ‘Because’.”

JoHo can be reached at, seen on Twitter at @joho68. He has also applied for a new FTN-address in Zone 2. Details will follow.

Here are some more links and pictures:

Good old FidoNet logo:

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Posted in BBS, History | 1 Comment »

Index of /pdf/xerox/mouse/lyon_optical

Posted by jpluimers on 2017/08/26

Because history: Index of /pdf/xerox/mouse/lyon_optical images of the Lyon Optical mouse by Xerox.

[ ] 018P87005_D_Pointer_Pattern_Pad_Oct84.pdf 2016-10-12 13:20 206K
[ ] 43260_Lyon_The_Optical_Mouse.pdf 2016-10-12 13:22 11M
[IMG] Alto_Optical_Case_B.JPG 2016-10-15 14:55 458K
[IMG] Alto_Optical_Case_T.JPG 2016-10-15 14:55 262K
[IMG] Alto_Optical_Inside.JPG 2016-10-15 14:56 415K
[IMG] Alto_Optical_PCB_Cable.JPG 2016-10-15 14:55 451K
[IMG] Xerox_mousepad_1.tif 2016-10-12 13:19 2.9M
[IMG] Xerox_mousepad_2.tif 2016-10-12 13:19 2.2M

Some of the images:

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Posted in History | Leave a Comment »

Microsoft Research’s manual memory management for .NET: exactly one owner which provides shields for accessing the objects

Posted by jpluimers on 2017/08/01

A very interesting piece of research, in which I see a very familiar concept of single owners and I new concept of them providing shields for accessing the manually managed memory. I do miss mentions of Anders Hejlsberg, Chuck (Charles) Jazdzewski, or others that lay the foundation of ownership in the [WayBackTComponent Branch.

Microsoft Research’s manual memory management for .NET:

Interesting concept of manual but safe memory management with exactly one owner of an object at any given moment and shields that prevent an object’s destruction while it’s still in use by other threads.

Source: [WayBackChristopher Wosinski – Google+


Posted in .NET, Delphi, Development, History, Software Development | Leave a Comment »

Index of /pdf/apple/apple_III/firmware

Posted by jpluimers on 2017/07/31

Interesting: Index of /pdf/apple/apple_III/firmware

[ ] 2017-07-26 16:44 27K
[ ] 2017-07-26 16:44 9.0K


Posted in Apple, Apple ///, History, Power User | Leave a Comment »

1998 called, it want its code back – Anything Goes – CommitStrip

Posted by jpluimers on 2017/07/28

The blog relating the daily life of web agency developers

Source: Anything Goes | CommitStrip

Via: 1998 called, it wants its code back :D


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Posted in Fun, History, Quotes | Leave a Comment »

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