After a long time away from this project, I finally had some time to come back to it and wire up my serial port! I am now able to transmit data from the TG6502 to my host computer at 19200 baud. The classic "Hello, world!" message:
I have not yet connected the receive line. That'll be the next step. Thus far I have only verified that the ROM, VIA and ACIA are working. I haven't yet tested the RAM, so once I can verify that I can send and receive data correctly, I will write some simple memory test routines.
Here's how things look at the moment:
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