Sinclair ZX80 / ZX81 / Z88 Forums

Thanx, I found some more info in section "mirrored memory".
In fact has nothing special to do with my video interface as this use only a simple port address.
But sometimes I think about 1 year further...

Next up - A quad-AY board, anyone?? LOL Will that quad-AY board support 7.1 audio? That will give blueray audio quality.Or defining the next standard 8.4 audio. 4 Subwoofers must be much better than just one. Not so far from reality. Dolby Digital Plus. More than one subwoofer makes not too much se...

Not yet. I am working on it and maybe in about 3 or 4 weeks I know more about. ;) It will be realized with Maxims MAX3420 USB Peripheral Controller Chip and main purpose is to transport video to my computer to work with. But when the USB interface is realized its not to hard to transfer data. So thi...

Hi there,

I wanted to let you know that I am working on a USB interface for ZX81 to transport video signal in a MS window on the pc. Maybe transport of data as well but I thought of this device for crystal clear video signal in a scalable window (256 x 192 or greater).