Re: Question about modems

2019-11-13 Thread John Labovitz via cctalk
On Nov 13, 2019, at 11:17 AM, Jim Brain via cctalk wrote: > On 11/13/2019 7:47 AM, Alexandre Souza via cctalk wrote: >> Jim, its a long time I don't use it, but I've used other configurations >> beyond 8N1 and I remember when you put the modem in 7E1 it mirrored the >> configuration of the

Re: Modems and external dialers.

2019-06-05 Thread John Labovitz via cctalk
This talk of auto-dialers reminded me of a couple of things from modem culture… I ran a BBS when I was a teenager in Maryland in the early 80s. We only had one phone line (like most everyone else), but being a BBS aficionado I’d heard of a technique called ‘callback’ that some BBSes

Re: Modems and external dialers.

2019-06-05 Thread John Labovitz via cctalk
On Jun 5, 2019, at 11:42 AM, Grant Taylor via cctalk wrote: > Why did it require a micro? Could the host not perform the function that the > micro would do? […] Why couldn't that state machine be implemented in > software on the host using the modem & auto-dialer? Character-based I/O on

Re: bbs or crude facsimile of such

2017-05-19 Thread John Labovitz via cctalk
Another BBS obscurity — I ran a BBS in the early 80s called The Bethesda RCP/M. Those of us who couldn’t afford dedicated lines often used a method called ‘ringback.’ This was a clever way to share a regular home phone with a modem. The idea was that if you wanted to dial up to the BBS, you’d

Re: General public machines (Was: Altair 8800 name Was: Re: Altair 680 Expansion Boards?

2016-12-22 Thread John Labovitz
I’ll chime in on the Z80 preference, since I was there at the time. In the very early 1980s, when I was about 15, my father decided to buy a home computer. (Before that, he had a TI Silent 700 that dialed up to a Univac mainframe.) I remember him doing hours of research comparing the Apple II,

Re: PDP-6s at MIT

2016-12-17 Thread John Labovitz
I have nothing particularly useful to add to the history here, but just wanted to say how much I appreciate hearing about the MIT ITS machines. Around 1982, I was a 16-year old hacker living in suburban Maryland, running a CP/M BBS. I came across a text file titled something like ‘interesting

Re: Paper tape carriers and paper tape

2016-11-12 Thread John Labovitz
On Nov 12, 2016, at 2:24 PM, Paul Koning wrote: > There are lots of paper manufacturers and lots of grades and thickness of > paper. The thickness we're talking about is one that shows up in a couple I > looked at. So it wouldn't surprise me at all if suitable paper