My modified Ben Eater 6502 Computer PCB!

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This is a modified Ben Eater 6502 Computer PCB board that I’ve been working on. It has a serial I/O port so that I can send and receive data to a display like my laptop, LCD, or CRT monitor. I used Grant Searle’s video and keyboard interface circuit and found a blog that helped with setting up the serial I/O using a 6551 ACIA chip. So far, all it is doing is running a version of Wozmon that I found on reddit, but I eventually want to port a BASIC interpreter just like the apple 1. See the links below for the sources I used.

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Careful hooking up PS/2 port while it’s powered on. It’s not designed to be hot swappable. USB has a connector with the pins of different lengths so that it connects ground, then power, then signal. PS/2 (as well as regular serial ports etc.) doesn’t have that.

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Keep it up bro! Very cool and aesthetically pleasing videos. One Q: Which brand/model of oscilloscope are you using?

imcakmak
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