JB
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Posts posted by JB
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I lie: Gary Kildall was copying TOPS-10, not RT-11. / was used to denote switches in TOPS-10, and hence not available for paths.
I can't seem to edit my post.
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16 hours ago, TheBF said:I was complaining recently about floppy disks. TI-99/4A is a super computer compared to this old beast.
(I had to occasionally boot a Data General Nova with paper tape in the 1980s.
)
"I once complained I had no shoes, til I met a man who had no feet."
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3 hours ago, mizapf said:CP/M, yes, since 1974. But Multics and Unix precede CP/M, and they introduced slashes for the path. TCP/IP was designed in that context, whence http and the URLs derived their syntax.
Whether Bill Gates decided to opt for the CP/M syntax because he liked it better than the Unix way is not really relevant for the fact that backslashes in URLs are a syntax violation. At least he is to blame that Windows Explorer accepted the backslashes.
CP/M borrowed from DEC's syntax(if I recall, Digital Research was copying RT-11), which DOES precede MULTICS.
I readily concede the URL format is UNIX-inspired.
Just correcting the "Gates invented a new standard to be contrary" record. He used the CP/M standard for compatibility. I suspect Kildall did it for familiarity, as I don't believe CP/M was compatible with RT-11 except in syntax.
I admit to being surprised MS's internet browsers will autocorrect slashes in URLs. That is a new trick on me.
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1 hour ago, mizapf said:Luckily, this won't work, because you have to use slashes. See the RFC.
(Backslashes are yet another bad idea from Mr. Gates, and all browsers silently translate them.)
From Gates? MS-DOS uses backslashes because CP/M used them. Digital Research used backslashes because that was how DEC did it.
Forward-slash is actually the johnny-come-lately diffrent-for-the-sake-of-it convention.
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Hooray!
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On 10/30/2019 at 5:18 PM, Sid1968 said:Why not changing the 12V DC/DC-Voltage Controller too? Your PSU-Board would get a loooot less warm!
But then how would we keep our coffee warm?
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48 minutes ago, OLD CS1 said:Never knew A-Maze-Ing did that...
I was thinking the same thing. I'm a-maze-d.
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Very nice!
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2 hours ago, Sid1968 said:Hi folks,
i know that everyone of you loves the Commodore C 64 best! You all like that machine so much that if i show you this video, some of you will probably get a motivation to modify a TI-99/4A too. 💥💨
As you can see, this C64 gets modded a little bit more elegant as the TI-99/4A in the first video above... so maybe would it be possible to modify a TI-99/4A more elegant too?!?
Cheers
Sid
You know what would really make that C64 Pi mod shine?
If he'd installed a 99/4a emulator instead of a C64 one. Be a nice upgrade. Then he'd just be stuck with that ugly brown case that looks like someone sat on a loaf of bread.
In seriousness, I've seen a 4a-Pi mod that was cleaner than the one above. But the C64 has an advantage in that there's a lot of custom parts to do this readily available, because of the much larger fanbase. With the TI you're making things up as you go, and you won't get a super-clean install if you aren't focused on that from the start.
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23 hours ago, BillO said:Cool. It will be interesting to see what this machine can really do. The basic unit is almost useless, yet very easy on the eye (I'm a gearhead). I don't know what TI were thinking with their base BASIC and the limited RAM. I guess it was meant to be a teaser so you'd part with more money to get the stuff needed to make it useful.
My understanding(as someone who was rather small when all this was happening) is that TI didn't actually WANT people developing software that took full advantage of the system. Not unless they paid TI for a developer's kit, and then paid TI again to manfacture the GROMs they would need for a cartridge.
It was a good ways into the system's life before the platform was opened up with Extended BASIC and Editor/Assembler.
Basically, TI wanted a "walled garden" where they were the sole publisher of software, and they made money on both hardware and software sales. This practice was terribly offensive to most software developers. And even after the platform was opened up they didn't really trust TI not to close it back down, like with a system revision that disabled booting from ROM-only cartridges...
Forty years later...
TI always was ahead of their time.
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I'm gonna spend my entire check on lotto tickets. This seems the most fiscally sound investment. With 1200 tickets, I can't lose!
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On 4/4/2020 at 5:14 PM, Stuart said:What gives these away as fakes?
To summarize the thread: everything.
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7 hours ago, atrax27407 said:Eric Bray may have found the problem:
https://1drv.ms/u/s!AjWNjAZpt3oLgY9YwBnIb6UH_EmJhQ?e=9T5GgG
When I tested the download link of the FTP WHTECH site, I came across the fact that the links to the complete collection of Barry Traver's Diskazine, "The Genial Traverler", were in files suffixed with ".exe" and that most modern (2020) browsers will not allow their users to download and run files with that suffix. So, I zipped my collection of "The Genial Traverler" diskazines and placed them on the above 'cloud' site.
The unzipped disks are in V9T9 (Win994a) format and you may have to run Fred Kaal's program, "TiDir", to convert them into TIFILES format.
So the problem is, in fact, that Norton is broken and blocking sites for no reason? Good to know.
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21 minutes ago, RickyDean said:Can't you go to vga from DVI, I thought you could get adapters for almost any newer video interfaces?
SORT OF.
DVI connectors CAN carry analog video signals, but aren't required to. If they don't, then a simple plug-and-cable adapter won't get you anything and you need a box of electronics just like you would for HDMI.
The digital signal portion of DVI, however, is virtually always there and is almost identical to HDMI(HDMI being built atop DVI, with intercompatibility as a goal initially), so converters for DVI->HDMI are always cheap plug-and-cable affairs.
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I kinda love the idea of putting modern expansions in speech synthesizer casings. Just for the confusion as people look at your TI and try to figure out why it has four speech synthesizers attached and nothing else.
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6 hours ago, GDMike said:I'm gardening instead of working on my program..shhhh.. don't tell anyone.
*inhales deeply*
HEY EVERYONE, GDMIKE IS GARDENING INSTEAD OF PROGRAMMING!!!
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On 3/23/2020 at 1:35 PM, matthew180 said:TI included them (probably) because they were needed to pass testing, which means the 99/4A is probably a very noisy RF system.
FCC regulations at the time where much stricter than they are now. I'd wager the 4a is pretty quiet by modern standards.
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I've considered it. Main argument against right now is that my beige unit doesn't work completely right. It boots and everything seems to respond, but there's an endless waterfall noise coming out of the sound chip.
I've not had the right combination of time and ambition to debug it.
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I really like how the beige units look, though a power LED would be nice.
I think it has a "futuristic" style that the black units lack.
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22 minutes ago, mizapf said:Yes, since 0.162 (2015)
https://www.mizapf.de/ti99/mame/changes
MESS used the MAME core even longer, and since then it is distributed as a single package. Some people still use "MESS" to refer to the computer emulations within MAME.
I've been using the term "MAMESS" to refer to post-merger MESS.
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53 minutes ago, Shift838 said:1.0 is rare? I have a couple of those!
It is eBay. There's two classifications for anything interesting, "rare" and "untested"
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5 hours ago, Ed in SoDak said:Wow! The ultimate TI shoot-em-up game. Fire real Redstone rockets!
Also the absolute best Missile Command clone.
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3 hours ago, save2600 said:Yeah, I was doing a quick search for verification and a pic made it look like the cord from the Super Sketch was going straight into the top of the cartridge - but was mistaken.
BTW: this guys' listing is all wrong. Not so clearly shows an Atari manual, Atari cartridge and G2300 designation on the cartridge, yet he advertises it as a G2100 C64 version. Kooky!
Awww, you know there was only one computer made in the 80s. It HAS to be for the Commodore.
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Things that if someone said to you in 1990 about the TI in the future you would NOT have believed.
in TI-99/4A Computers
Posted · Edited by JB
"Hey, you guys in 1990. In the year 2020, you will be talking about this machine on the internet with people all over the worl- what's an internet? It is kinda like a BBS only- no, the long distance costs won't kill it because- look, it doesn't work like th- no, we don't have flying cars in the future!"