Search found 479 matches

by Smonson
Fri Oct 23, 2020 1:06 pm
Forum: HARDWARE DISCUSSIONS
Topic: Sidequest: VGA scan doubler
Replies: 141
Views: 24578

Re: Sidequest: VGA scan doubler

Yeah, I saw that! Looks like you guys are pretty close to having your H5s up and running too! Pretty cool :D

I can make specific H5 versions of the PCB eventually also.
by Smonson
Fri Oct 23, 2020 8:15 am
Forum: HARDWARE DISCUSSIONS
Topic: Sidequest: VGA scan doubler
Replies: 141
Views: 24578

Re: Sidequest: VGA scan doubler

The other jumper connection that was spare will be to disable the mod and return the ST to its original workings (albeit with a longer analogue signal path). It'll still fit into the FPGA. Basically it just works the same as the 71.2Hz mode and passes the hsync and vsync through untouched, but with ...
by Smonson
Thu Oct 22, 2020 12:19 pm
Forum: CHAT FORUM
Topic: Evil looking spider
Replies: 5
Views: 440

Re: Evil looking spider

It's the time of year for spiders over here too (spring)...
by Smonson
Wed Sep 30, 2020 6:10 am
Forum: ELECTRONICS
Topic: 3.3v->5v 7 signals
Replies: 6
Views: 447

Re: 3.3v->5v 7 signals

I've been using 74AHCT245As for my VGA mod, since they only cost AUD 50c each and they do the job. If you only need a single-directional driver they work the same as the 244s (I just tie DIR to ground).
by Smonson
Wed Sep 02, 2020 2:57 am
Forum: NEWS & ANNOUNCEMENTS
Topic: EmuTOS 1.0
Replies: 25
Views: 2471

Re: EmuTOS 1.0

Nice one! Congratulations on the milestone release!
by Smonson
Wed Sep 02, 2020 12:19 am
Forum: HARDWARE ISSUES
Topic: stfm problem
Replies: 6
Views: 556

Re: stfm problem

What's interesting to me is that There seems to be a palette in the shifter, which would suggest that it's at least running the first bit of code from ROM The pattern isn't repeating every 16 pixels, but every 80 pixels. That's interesting because it's not a power of 2 I'd also check the MMU is seat...
by Smonson
Thu Aug 20, 2020 2:28 pm
Forum: ELECTRONICS
Topic: New magnifier
Replies: 17
Views: 1461

Re: New magnifier

That is excellent. I think you've just invented a must-have electronics tool.
by Smonson
Wed Aug 19, 2020 11:35 am
Forum: HARDWARE DISCUSSIONS
Topic: Sidequest: VGA scan doubler
Replies: 141
Views: 24578

Re: Sidequest: VGA scan doubler

For the next board version I've made a bloody big hole through the board so it can fit around the electrolytic that's in the way. That should let it sit at the proper height. This is the same place on both my STs, and I hope it's in the same place on every other revision too! "If it's stupid and it ...
by Smonson
Tue Aug 18, 2020 12:29 pm
Forum: ELECTRONICS
Topic: Smonson's poorly-thought-out toaster oven reflow experiments
Replies: 21
Views: 1614

Re: Smonson's poorly-thought-out toaster oven reflow experiments

Yup - it would take a few days to get the software up and running, but that's all part of the fun!
by Smonson
Tue Aug 18, 2020 8:12 am
Forum: ELECTRONICS
Topic: New magnifier
Replies: 17
Views: 1461

Re: New magnifier

Search on eBay for: 1000X Magnification 4.3"LCD Display Portable 720P Digital Microscope With Holder Oh yeah! The microscope part of this one looks very similar to my little USB one that I'm upgrading from: usb-microscope.jpg The only annoyance of this one is that the focus is not smooth to turn, i...

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