To date, I've posted instructions that go through getting the core system running with a memory, adding switch inputs through interrupts, and giving the 8085 an LCD display as an output. I'm presently integrating the LCD driver code with the interrupt code, then I'll add a keyboard to the system.
This system will be a small, hand-held micro trainer. It's intended for easy, anywhere machine language programming of an 8080-compatible system, for those of us who find such activities fun and relaxing.
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Yes, I do machine language programming for relaxation. I also crochet Irish lace and embroider knotwork patterns for relaxation. I like things that are mentally engaging, but that can proceed at a casual pace for unwinding at the end of the day.
In case I'm really fried at the end of the day, I keep databooks stacked on my bedside stand.
Have a look at my electronics web pages.