In mode 0, the main CPU is entirely responsible for pixels in the video RAM. In mode 1, you could have the main CPU put a character grid into the discrete area, with the discrete CPUs converting that into the pixel area. (You could have a selection of possible “fonts” stored in RO...
For light items, USPS is the cheapest way to ship if that is your goal. For heavier items greater than 2lbs in which delivery time is not a factor, FedEx or UPS Ground is the cheapest way to ship. It’s the 2-3 day delivery window where you have to weigh the trade offs. Do you...