Here is my version of DATA-GEAR (Z80 DMA interface for SAM COUPE). It's internal version for connection instead original Z80CPU (need replace CPU with socket).
http://velesoft.speccy.cz/other/dma%203Trd+3Twr-long.png VIDEO (sorry, bad quality and low FPS). Almost fullscreen scroll 25 fps on real sam coupe. http://velesoft.speccy.cz/other/DMA_SAM_001.MPG --- Tato zpráva byla zkontrolována na viry programem Avast Antivirus. https://www.avast.com/antivirus