the displayed image comes through on every even line, but every odd comes with a delayed frame
Must be real garbage on the screen
The latest version offers the possibility to choose between the even and the odd lines, being switched off.
This will work only at 480 x 600, ~31KHz / ~60Hz, neg. sync. Setup via dip- switches.
Thats just a "waste-product" from my development, because the ratio from horizontal to vertical frequency is not a whole counter, but any broken number. The scanlines seems to walk or travel, and when I used the vert. sync to trigger with every frame, too, this bad effect was gone. This is implemented now, switchable, and may be usefull to select calculated the even and the odd lines.
The real background for this feature is the fact, that different, higher solutions have different polarity of the sync-pulse. Former the 600 x 800 has pos. sync, and the simply lineswitch would not work triggered with pos. vert. sync.
The simply solution was here, to design it switchable. So the idea was born, just to install two switches to set the hor. clock timing.
This coming week Jochen will order the PCBs, and we would be lucky to present the device in a few weeks.
By that I am working on a simply solution to produce a faked aperture grill on a VGA-monitor.
I cannot promise, that I will be sucessfull in this. The first experiments shows very coarse rough pictures.
I have to "fight" with delay-times in the range of a few dozend nanoseconds. Perhaps I will be lucky in this, dont know.
If so, than I will try to develop a combinated device....................
Its a mess, I m an old passionated analog technician, and just a year ago the "crisis" kicked me out of job!
Former I have repaired x-thousand TV-sets etc, al least I worked in the industrial electronic service for frequency converters.
Now I try to get busy in this way..............its a great funfactor, you can believe that, shurely
With best regards from Germany