| 1. | Most current computer instruction sets are based on a general purpose register model.
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| 2. | It had thirty-one 32-bit general purpose registers, but no Alpha.
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| 3. | CR16 has 16 general purpose registers of 16 bits, and address registers of 21 bits wide.
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| 4. | For example, the MOS Technology 6502 has only one general purpose register ( the accumulator ).
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| 5. | It had sixteen 32-bit general purpose registers and used 32-bit addresses and data paths.
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| 6. | The chip contained seven 8-bit general purpose registers, although only four were visible at any time.
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| 7. | Generally accepted standards, although by no means mandatory, include the identification of general purpose registers with mnemonics.
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| 8. | Virtual addresses 0 thru 15 are reserved to reference the corresponding general purpose register, and are not mapped.
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| 9. | The particular address in the list of addresses may be extracted using an index, general purpose register or pointer.
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| 10. | The subroutine typically requires standard function prologue and epilogue usually saving general purpose registers and return address as a minimum ).
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