View Profile: bladamson - Vintage Computer Forum

January 20th, 2021, 05:48 PM

bladamson replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

Yeah, I've done SSL on a 25MHz 030 and hoooooooooo boy it is slow.

55 replies | 982 view(s)

January 20th, 2021, 05:40 PM

bladamson replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

I am totally with you, man. My thought is that the offload network interface should handle the "hard" stuff, like the actual protocol stack, the...

55 replies | 982 view(s)

January 20th, 2021, 03:16 PM

bladamson replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

I think the problem (if we can call it a problem) of using uCs that are several orders of magnitude more powerful than the actual host system to...

55 replies | 982 view(s)

January 19th, 2021, 07:18 PM

bladamson replied to a thread Hazeltine 1510 Terminal in Other

There's one of those on ebay right now, but no keyboard. :( What I want most to add to my collection at the moment are an HP2640 and a Tektronix...

6 replies | 83 view(s)

January 19th, 2021, 05:19 PM

bladamson replied to a thread Hazeltine 1510 Terminal in Other

Boy they sure are pretty machines though, even if the keyboard is meh. Some kind of wifi modem is great with them. Saves fooling around...

6 replies | 83 view(s)

January 18th, 2021, 06:45 PM

bladamson replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

Yeah. Oldskool 10mbit AUI+BNC though, not one of the newer 100mbit twisted pair cards. It was a neat machine, other than being kinda ratty. I'd...

471 replies | 82837 view(s)

January 18th, 2021, 02:30 PM

bladamson replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

*coughs softly* The nicad bomb looked like it leaked a bit in the pictures, but hopefully I can fix it. Paid too much, but I have been looking...

471 replies | 82837 view(s)

January 13th, 2021, 06:51 PM

bladamson replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

Yeahhhh, I was looking at the eZ80 too, but it just doesn't look like it's compatible enough to be a drop-in super-replacement in these old boxen. ...

55 replies | 982 view(s)

January 13th, 2021, 05:58 PM

bladamson replied to a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

Alright, so. There has been a good bit more interest in people getting these. But, given that USPS is all screwed up right now, apparently with...

7 replies | 306 view(s)

January 13th, 2021, 05:53 PM

bladamson replied to a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

I was thinking about that to begin with, but when I started laying it out I got to feeling like it was taking up too much of the prototyping space. ...

7 replies | 306 view(s)

January 13th, 2021, 05:40 PM

bladamson replied to a thread Hires graphics problem in Early Apple (I, ][, ///, etc.)

That sounds like what I was thinking of. IIRC in my case it was something further into the video generation circuit, but whatever it was was pretty...

5 replies | 157 view(s)

January 13th, 2021, 02:45 PM

bladamson replied to a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

Yea probably. I want to make sure everything measures just right first though. I used a Model II 64k RAM card as a template and measured very...

7 replies | 306 view(s)

January 13th, 2021, 02:39 PM

bladamson replied to a thread Hires graphics problem in Early Apple (I, ][, ///, etc.)

Ahhhhh, I ran into this like 20 years ago but I can't remember what the fix was!! There's a line somewhere that switches something on and off that...

5 replies | 157 view(s)

January 12th, 2021, 08:47 PM

bladamson replied to a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

With just doing HASL, I am fairly sure they will be less than $10, unless they charge extra for all the drilling. I am pretty sure I am still within...

7 replies | 306 view(s)

January 11th, 2021, 05:58 PM

bladamson replied to a thread TRS-80 Discord Server in Tandy/Radio Shack

Hmm, I don't have a cell phone (I live in the middle of the NRQZ), and I didn't have any problem registering, and I don't get nagged for more info. ...

8 replies | 916 view(s)

January 11th, 2021, 02:55 PM

bladamson replied to a thread Model II/16 Floppy Disk Image Sizes. in Tandy/Radio Shack

You could probably post your stuff to github and link to it from here. Or if you don't want to mess with all that, PM me and I'll give you my email...

11 replies | 579 view(s)

January 10th, 2021, 08:46 AM

bladamson replied to a thread What do you think the minimal vintage system would be that can run HTTP over TLS? in General Vintage Computer Discussions

Mirrors the trend of the bloat in Linux these days with everyone using appimage packages now, because wahhhh dependencies are so hard. So they...

9 replies | 441 view(s)

January 10th, 2021, 08:41 AM

bladamson replied to a thread Model II/16 Floppy Disk Image Sizes. in Tandy/Radio Shack

Yea, I don't do Facebook either.

11 replies | 579 view(s)

January 10th, 2021, 08:39 AM

bladamson replied to a thread First YouTube video experience in General Off Topic

I just set up an Odysee account and initiated the transfer of all my YouTube content over there. The site is quite a bit better than the last time I...

254 replies | 23452 view(s)

January 6th, 2021, 08:23 PM

bladamson replied to a thread What do you think the minimal vintage system would be that can run HTTP over TLS? in General Vintage Computer Discussions

https://www.vogons.org/viewtopic.php?t=67165 https://github.com/atauenis/webone

9 replies | 441 view(s)

January 6th, 2021, 01:56 PM

bladamson replied to a thread For sale in Vintage Computer Items For Sale or Trade

Can I preemptively call dibs on a type 4 HDC if you have one? :P

37 replies | 4933 view(s)

January 6th, 2021, 01:52 PM

bladamson replied to a thread What do you think the minimal vintage system would be that can run HTTP over TLS? in General Vintage Computer Discussions

I think the slowest computer I've used TLS on is a Macintosh IIci. 25MHz 68030. I know the 8-bit Arduinos won't do it, so..... I 'spect an 020...

9 replies | 441 view(s)

January 5th, 2021, 02:16 PM

bladamson replied to a thread Model II keyboards in Tandy/Radio Shack

This is something that is on my project list, too. The timing diagram for the keyboard serial protocol is on page 65 of the Model II technical...

17 replies | 695 view(s)

January 4th, 2021, 03:05 PM

bladamson started a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

I'm going to lay out some Model II prototyping boards and have them manufactured, probably by JLC PCB. May have circuitry for some bus de-inversion...

7 replies | 306 view(s)

January 4th, 2021, 02:31 PM

bladamson replied to a thread TRS-80 Trash Talk - Live #10 - Saturday Jan 2 at 9pm EST in Tandy/Radio Shack

Zoom does some kind of hinky ALC that makes one of my mics hotter than a $2 pistol, too. Which is a shame, because it's a very expensive desktop...

6 replies | 629 view(s)

January 4th, 2021, 02:24 PM

bladamson replied to a thread Help needed to Identify Cards in PCs and Clones

They are both certainly network cards. The top one is extremely likely to be an ethernet card. If that DB-15 connector has a sliding latch on it...

5 replies | 287 view(s)