<processor> (HD6309) Hitachi's version of the Motorola 6809
microprocessor. Compatible with the 6809, it added two new eight-bit registers
that could be added to form a second 16-bit register, and all four eight-bit
registers could form a 32-bit register. It also featured division, and some
32-bit arithmetic and was generally 30% faster in native mode. This information,
surprisingly, was never published by Hitachi.
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