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6809微处理器具有自己的指令系统,又与8位和16位机相兼容。6809是莫托洛拉公司著名的6800机的继续发展,与6800机相比有所改进,如增加了寄存器、指令和寻址方式。
The 6809 microprocessor has its own instruction set and is compatible with 8-bit and 16-bit machines. The 6809 is a continuation of Motolora’s notable 6800 machine, an improvement over the 6800 machines such as the addition of registers, instructions and addressing.