Search found 848 matches

by Peter
Thu Feb 02, 2012 9:06 pm
Forum: Hardware
Topic: Faster/wider CPU...
Replies: 134
Views: 30666

Re: Faster/wider CPU...

Oh your that Peter, let me publicly thank you for all the work you have put in to the SD card interface :) Your very welcome ;) Let's hope that my SuperGoldCard related problems with QL-SD were not general, but just my second hand black box. I now bought a brandnew German QL, which I shall try afte...
by Peter
Thu Feb 02, 2012 7:10 pm
Forum: Hardware
Topic: Faster/wider CPU...
Replies: 134
Views: 30666

Re: Faster/wider CPU...

Just out of curiosity, which brand are you using ? Hehe... nice try ;-) If its XIlinx, haven't they hyped ability to debug internals through virtual signal analyzer ? I think it is called Chipscope... Thanks I'm aware of this kind of tools ;) The only method guaranteed to locate the problem would b...
by Peter
Thu Feb 02, 2012 6:57 pm
Forum: Hardware
Topic: Faster/wider CPU...
Replies: 134
Views: 30666

Re: Faster/wider CPU...

This is my view, also. It is also why I am taking the low-hanging fruit of working with existing components - the cost, time and investment needed is substantially smaller than Peter's effort. It also eliminates a lot of the problems Peter has. It's hardly an ideal end result, but it is something. ...
by Peter
Thu Feb 02, 2012 10:07 am
Forum: Hardware
Topic: Faster/wider CPU...
Replies: 134
Views: 30666

Re: Faster/wider CPU...

Hi Brane, it's not a good idea to announce new hardware in public before it is likely that a product will result. An announcements create hopes, and not being able to fulfil them, is worse than no hopes at all. Once I made the mistake to leak that I work on something FPGA based, but please don't pus...
by Peter
Thu Feb 02, 2012 1:46 am
Forum: Hardware
Topic: Faster/wider CPU...
Replies: 134
Views: 30666

Re: Faster/wider CPU...

Hi folks, what a long thread about new hardware... maybe I should make a few comments. I'm aware of Natami. I contacted them in the hope their FPGA core was more correct than the one I use. Their answer sounded vague and not too optimistic. Moreover, their core is not available for others. My attemp...
by Peter
Sun Feb 06, 2011 12:14 am
Forum: Hardware
Topic: GBS-8220 RGB TO VGA Converter
Replies: 91
Views: 54386

Re: GBS-8220 RGB TO VGA Converter

Since the level converters are probably within the SCART connector, this might be the plain digital QL signals.

You say HSYNC, but neither the QL nor SCART have HSYNC. Did you use CSYNC for it?
by Peter
Sat Feb 05, 2011 10:11 pm
Forum: Hardware
Topic: GBS-8220 RGB TO VGA Converter
Replies: 91
Views: 54386

Re: GBS-8220 RGB TO VGA Converter

The pole terminals. And you?

Would you please be a bit more precise about your results?
- No vertical "jumps" at all?
- Single pixels in 512x256 clearly visible?
- Which QL?
by Peter
Fri Feb 04, 2011 8:18 pm
Forum: Hardware
Topic: GBS-8220 RGB TO VGA Converter
Replies: 91
Views: 54386

Re: GBS-8220 RGB TO VGA Converter

With my German QL, the picture jumps in vertical direction at unpredictable times. Characters are hardly legible in 512x256, and the single pixels at the border can not be distinguished. Did you have the same results? I used the digital R,G,B,CSYNC inputs (called CGA/EGA).