It has been a long road. I have started video scaling project since 2023 and have learned the very hard way what is possible and not possible. I conceptually have a type of framework in mind to complete this project. Initially, I got the PSP-1000 slightly working with a levelshifting card and Tang Mega 138K…

Initially the digital video card project was designed to do on-the-fly image scaling and processing. The achilles to this approach was matching the source framerate to the output frame rate. I have tried a few tricks that I thought all video processors would take performing just line alignment. The first trick was to manipulate the…