| 摘要 |
PROBLEM TO BE SOLVED: To generate a highly versatile condition code by making a conversion mechanism converting a calculation result flag into the condition code variable. SOLUTION: An instruction set architecture specification part 9 specifies an instruction set architecture that is a conversion target in the conversion mechanism 3, and writes constitution data corresponding to the specified instruction set architecture into a changed value register 4. A constitution data decoder 3d reads a register value from the changed value register 4, decodes the constitution data, and outputs the decoded constitution data to a programmable logic device 3c. The programmable logic device 3c is reconstructed according to the constitution data, converts the calculation result flag into the condition code according to the instruction set architecture specified by the instruction set architecture specification part 9, and outputs the condition code to a condition code register 8. COPYRIGHT: (C)2004,JPO
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