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Can I port existing Z80 or Z180 assembly code to the Rabbit?

April 26, 2017assembly code existing port rabbit z180 Z80

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Can I port existing Z80 or Z180 assembly code to the Rabbit?

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A. Yes. Some Z80 and Z180 instructions have been eliminated, but they are mainly obscure instructions or instructions that can easily be emulated by a short sequence of instructions. The instructions that deal with I/O devices are quite different, but usually I/O code cannot be ported from one system to another in any case, so nothing is lost.