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Everything posted by wierd_w
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Turning old slow obsolete laptops into dedicated Classic 99 units
wierd_w replied to Omega-TI's topic in TI-99/4A Computers
What OS did you install? XP: Firefox 53 LTS is the "newest" that will install there, IIRC. -
This is why I pointed out that the full tower case is AT compliant. AT boards had more "foot room" than ATX boards, because of the need for cards that were hella long. (like VLB and pals.) This means that there are 2 extra standoff locations at the foot-end of the case, that I can use to attach a rear-retention system. There are guides in the PEB at both the front AND back of the card slots. Clever 3D printed slot adapter bits for the PEB cards, so that they can use the AT/ATX style card slot retainer screw on the front side is only half the solution. The retention system at the foot of the card needs to exist too. I can make such a thing and install it on those two standoff screws.
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TIPI - TI-99/4A to Raspberry PI interface development
wierd_w replied to jedimatt42's topic in TI-99/4A Development
In the US: Letter/A-ANSI (8.5"x11"), Legal (8.5"x14"), and B-ANSI (11"x17") for consumer printers. If you want "Very large" standard sizes, you get C (17"× 22"), D (22"×34"), E (34"×44") and F ANSI (28"×40"). There are other large sizes as well, but not frequently used except for special purposes. In Europe: They use the A-series size chart. https://www.papersizes.org/a-paper-sizes.htm -
So.. I just had an absurd game idea. It was kind conjured up after thinking what else needs to be in the silly faces doodle pack, -- Specifically, what you could use it for. Then the idea struck. "Don't Mess with Texas" what happens when Pokemon, Retro-computing collection mania, battle bots, and being entirely too tired after work collide in your brain. Premise: You play as an intrepid newcomer to the wild world of retro-computer battle bots, where you must win prize money from robot death-matches made from antique computers, in order to collect more parts to build and improve your robot army. Gameplay mechanics very similar to early gameboy Pokemon titles, except setting is a very screwed up alt-reality central texas, with a cast of "interesting characters." Aspects of Japanese Dating Sims, as you try to negotiate your purchases at swapmeets. Given the absurdity of this idea, I figured it (the random confluence of insanity in the production of a game concept) needed its own thread, so that such crazy can be shared. If you guys have any more such nonsense to share, post it here.
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More mature is kinda hard in that art style. Anime-esque lends itself well to reduced realism renderings like this, because it is very hard to do properly proportioned features in constrained space like that. I could add more disheveled looking features and hints at wrinkles maybe, but it would be difficult to keep them from looking like old grannies. But I suppose old grannies need representing too.
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Added a blonde with asymmetric bob.. Any other styles or types you think I might need?
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A thought occurred to me today. I wonder if I can convert an ATX case into a PBOX, with a custom backplane and PSU. I have a 90s vintage full tower (as in, FULL HEIGHT, AT board ready! Mine is very similar to this linked one. Mine is actually vintage from the 90s though.) case I could perform the experiment with. I just need an appropriately sized pefboard, slots, bodge-wire and PSU+regulator goodies. Perhaps I will try that sometime soon. Do you think that a suitable 3D printed bracket could be made to convert a PC case slot into one suitable for a TI card could be made? I am thinking that since the target victim can accept full AT boards that the "Back of card" alignment system could be printed from plastic and installed on the rear-most standoff holes... I should do more investigation!!
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Yup. When saving to cassette, always do so from the TI. The PC is just not loud enough. It's barely loud enough to send to the TI in place of the recorder, but the reduction in volume when played back from tape is too great, and you will get read errors. Load into the TI's memory, then save from the TI. No problems then.
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Do you want the magellan file? I am not done with it-- Havent filled all the char space up yet.. but here it is regardless... sillyfaces.mag
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I could be a bonehead, and have REC and PLAY mixed in my head... When you play the wav file, do you hear the playback on the TI? If not-- Swap the cables in your thingymajig.
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Is it working for you?
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Technically, you could just run synchronet on it right now as-is. http://wiki.synchro.net/howto:raspbian_install Syncronet supports telnet based connections, so *shrug*.
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WINE does not natively support ARM platforms, except for ARM based windows applications (which are not common.) You would need to kludge together binfmt_misc and qemu user mode support to make that work. (Doable, but the performance will be.... bad.) As for what I would put in there.. Hmmm.... LS120 is still a good choice.
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TI REC Cable Tip -| |-->PC Cable Tip TI Playback Tip --| TI REC cable sleave -> PC Cable sleave TI Playback sleave -> NC The grounding issue is that the REC tip is not connected to ground properly, so when it is plugged straight into the PC, it has a "Floating ground" and produces an awful hum. This makes it very hard for the TI to properly decode the sent audio, especially since the PC is not really loud enough. (barely loud enough with VLC doing the playback, and volume turned to 130%. Still not as loud as the TI belts it out though.) From what I can gather, there is a common ground inside the program recorder, which makes this problem magically go away once both leads are plugged. However, that common ground does not exist plugging the REC cable straight into a PC's headphone jack-- hence the hum. The goal here is to connect the REC cable's ground with the playback cable's ground, so that something like a common ground is obtained using the TI's electrical system exclusively. It works.
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I ordered some reusable mold making material before I got my PEB in. The plan was to use it to mold the replicated PEB front I have been working on, so I could cast additional ones out of styrene resin. I think I need to order some more of the stuff, so I can mold my PEB top, then cast a replacement. (Mine has the same issue with the sheared off studs. I think if I cast a really thick replacement, then just drill some pilots where the screws need to go, I can replace it.)
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Dont underestimate the shipping monkeys. My PEB is pretty dinged up from those jokers. I am still contemplating how I am gonna straighten my banged up PEB case. I gave the metal a quick "how much energy to bend" test with my fingers and my take away was "Probably gonna need a set of forms and a rubber hammer on a cheater pipe." If they can do that kind of damage to something that resistant to bending, FOR SURE-- OVERPACK IT.
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Do Old Computer Modems Still Work?
wierd_w replied to bluejay's topic in Classic Computing Discussion
Prior to 1968, AT&T did not allow (3rd party!) electrically wired modems on the telephone network. https://www.techradar.com/news/internet/getting-connected-a-history-of-modems-657479 It was in the 50s that ATT got told in no uncertain terms by the US Govt that they had to divest western electric and stop being the sole supplier of telephones in general. Since this was only about a decade prior, many households and businesses had incumbent handsets made by Western Electric. This is why acoustic couplers (which were required prior to the 1968 decision) were designed to work with the Western Electric designed handset. Western electric, being spun loose from ATT's reigns in the 50s, was still a dominant manufacturer of such handsets in the intervening years. By the 80s, stand-alone wired modems started appearing, but before then the acoustic coupler was the only game in town. Since very few people WANT that 50lb Behemoth on their desks or walls these days, Western Electric handsets are not very common. So, if you have an old acoustic coupler based modem, and wanted to try using it, you are gonna have problems. There are novelty products, like the one I linked earlier, that could facilitate that, but really, it's not worth it IMO. -
I think he is using a non-TI cassette recorder.
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Well, I mean, if you WANT to solder up something, you totally could-- You would need 2 mono headphone female jacks and some protoboard... But it's not worth it in my estimation.
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Do Old Computer Modems Still Work?
wierd_w replied to bluejay's topic in Classic Computing Discussion
At the time, the ONLY maker of telephones as ATT. Due to government sanctioned monopoly powers. As such, the handset was always the same size and shape. It was a monstrous fight to get modems on the phone system to begin with, and ATTs blowback on it is partially why there even WERE acoustic couplers. Since modems were not made by ATT, ATT did not want them directly connected to the phone network. -
TI to PC. The saving to the recorder should only be done by the TI. The ground loop issue is addressed internally in the recorder, from what I can tell. The TI really belts out the signal, while the PC kinda just half-asses it, even with volume turned up to 130%. Saving from the Ti assures proper output levels.
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Why is IBM not a major computer company anymore?
wierd_w replied to bluejay's topic in Classic Computing Discussion
I agree that OS/2 was significantly better than the early NT OSes. By the time of NT4 though, OS/2 needed a fork stuck in it. MS abused its market position with Windows to basically shear what they could out of OS/2, brand it as their own flavor of new operating system and then effectively shove IBM out the door. It was initially a joint project, with the combined resources of both companies. MS terminated their mutual relations, leaving IBM holding the bag. https://en.wikipedia.org/wiki/OS/2#1985–1989:_Joint_development If that had not occurred, we would probably see OS/2 dominance everywhere. -
Building the Finalgrom99 and the 32K sidecar.
wierd_w replied to Mehridian Sanders's topic in TI-99/4A Computers
Do you have an extended basic cart? If so, boot it and run size to see if it reports 32k. -
Why is IBM not a major computer company anymore?
wierd_w replied to bluejay's topic in Classic Computing Discussion
In the 70s and 80s, IBM really was "the very incarnation" of "Conform or be destroyed" though. It was reflected at every level of their organization; They even had regulations on how to wear your socks. Being shown the error of that mindset is arguably one of the best things to ever happen to them. In many respects, their lack of adaptability (due to a culture of rigid conformity) is why they lost control of the market, and why their efforts at damage control after that fact were futile. It took a massive downturn in profitability for the company to wise up, and "lighten up Francis". By then, the loss of market dominance was already a done deal. In terms of OS/2, the killer was really MS renegging on a joint-partnership agreement on its development, and their leaving IBM holding the bag as MS switched to their wholly owned NT operating system. (Which had many IBM OS/2 trappings. NTFS is a descendent of OS/2's HPFS, for instance.) Had MS not done this (or had they not gotten away with it) we would probably have OS/2 installed all over the place today. -
Why is IBM not a major computer company anymore?
wierd_w replied to bluejay's topic in Classic Computing Discussion
True enough, but the eMMC isn't all that much more durable. Being a chromebook, it was designed to use zram with it. Linux is really the best option, this was just to see how well it would do. It also lets me judge how good the linux Intel driver set is compared to the windows one. 3D performance is indeed better on win10, sadly. A good deal of the problem with SDCard burnout is the erase block size VS the file system cluster size. Windows will stupidly only let you use a swap file on an NTFS volume, which has a max cluster size of 64kb. Your typical erase unit size on a large SDCard is closer to 4mb. (Which is why SDCards come formatted with exFAT, which allows cluster sizes that large.) You can get the same atomicity with EXT3/4 by abusing the raid features of that file system, which is how I had it previously decked out. (that, and shameless use of tmpfs where appropriate, such as browser caches and pals.) Still, running the host OS off the SDcard, and putting the pagefile on the eMMC might be an acceptable compromise. Microsoft wont let you do that though.
