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ARM CPU Software Manual Version 1.0

Relatively brief technical documentation on the first revision of the ARM CPU. Contents 1. Programmers' model 2. Instruction set 3. Instruction summary 4. Instruction speeds 5. Instruction set examples Contains a brief note on two minor faults in the shift logic present in the first devices. Contains a reference to the "Brazil kernel". Contains a reference to "the initial second processor product" running from a 20MHz clock divided by 3 (for a sequential cycle) or 6 otherwise. Contains two short instruction sequences for unsigned multiply, an instruction sequence for division and remainder, and other short sequences for multiplication. Also for pseudo random binary sequence, for unaligned word access, and for access to half-words. 28 pages, from October 1985 Uploaded for historical interest, and for OCR and discoverability.

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