• rehsd

286, SPI, and a 6522 VIA

I recently added basic SPI support to my 80286 system with the help of a W65C22S Versatile Interface Adapter (VIA).



Additional Reading About SPI


PSoC Configuration

I am currently using a programmable system-on-chip (PSoC) from Cypress to handle address decoding. Below is the current configuration of the PSoC.



Schematic

The following schematic is as of 23 November 2022.

Schematic_80286 20221123
.pdf
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Assembly Code

This assembly I used during this video is available on my GitHub: Assembly Used in Video.



Data Sheets


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