Brian Hargrove on Twitter: "#SNK R&D CUBE FHG42 motherboard with SH4. I dumped a rom, but there's nothing in there that identifies what this was used for. All chips are from 1998.
GitHub - Schischu/STLinux.Toolchain: STLinux Toolchain for sh4 cpu arch for ptxdist. Based on OSELAS.Toolchain for arm cpu arch.
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