Search found 5 matches
- 11 Sep 2023, 11:45
- Forum: Kit assembly gallery
- Topic: New Gigatron in Russia
- Replies: 8
- Views: 4085
Re: New Gigatron in Russia
The clock speed will not change the edge of the video, it will only make the Gigatron spit out the signal slower or faster. The more it deviates from 6.25MHz, the more trouble it will give the TV/monitor to sync to the image. But when sync fails, you will get nothing, not just part of the image. Wh...
- 08 Sep 2023, 19:05
- Forum: Kit assembly gallery
- Topic: New Gigatron in Russia
- Replies: 8
- Views: 4085
Re: New Gigatron in Russia
I think it could just be the monitor/tv or quartz? I have already tested Gigatrons on various monitors and TVs. If they synced badly, then the picture was shifted. I've never had a picture like this before, it's too big on all sides. Why ROMv4? But it has nothing to do with the monitor. I figured o...
- 08 Sep 2023, 08:08
- Forum: Kit assembly gallery
- Topic: New Gigatron in Russia
- Replies: 8
- Views: 4085
- 07 Sep 2023, 18:53
- Forum: Kit assembly gallery
- Topic: New Gigatron in Russia
- Replies: 8
- Views: 4085
Re: New Gigatron in Russia
The monitor from the photo is the smart TV, but I tried simple VGA LED mini-monitor also, the result is the same. I thought about overscan, but did not find such option. I do not have tube monitor or TV.
The crystal is 6.25 MHz, but I cannot make sure that it's frequency is exact.
The crystal is 6.25 MHz, but I cannot make sure that it's frequency is exact.
- 07 Sep 2023, 15:39
- Forum: Kit assembly gallery
- Topic: New Gigatron in Russia
- Replies: 8
- Views: 4085
New Gigatron in Russia
Hello All, I have built my Gigatron from open-source Gerbers and schematics. The first problem which I faced was fault in the gamepad subsystem. It was not the obvious problem, but I have resolved it. Symptoms : gamepad did not work, I could only see some random cursor movements right after starting...