Apple-1-HW/verilog-apple-one
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verilog-apple-one/boards/ice40updevboard/README.md
Lawrence Manning 09c2181820 Added support for ICE40UPDevBoard 
My board features an ICE40UP5K in QFN and the usual flash, PS/2 port
etc. Thought it would be fun to port this Apple One implementation,
and it was super easy considering I'm quite new to Verilog.
2024-04-18 10:34:52 +01:00

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TinyFPGA B2 support

ICE40UPDevBoard board render

This adds support for building apple one design for Aslak3's ICE40UP Development Board. The board contains a ADV7123 (PDF) RGB DAC and PS/2 port, and some I2C hardware that this Apple 1 implementation does not yet make use of. The single push button on the board is mapped to the reset line. The PS/2 port on the board is actually wired to two PS/2 connections, but this project makes only use of the first ("default") wiring for the keyboard.

Building

Install a recent toolchain and:

$ cd yosys
$ make

Unlike other boards in this project nextpnr-ice4 is used for routing, since it has been the current tool for some years now and arachne-pnr was deprecated in 2015.

Program the board using any suitable method.