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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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780964 数据表(PDF) 80 Page - NEC |
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780964 数据表(HTML) 80 Page - NEC |
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80 / 129 page  80 CHAPTER 5 EXPLANATION OF INSTRUCTIONS User's Manual U12326EJ4V0UM Rotate Right Digit ROR4 Digit Rotation to the Right [Instruction format] ROR4 dst [Operation] A3-0 ← (dst)3-0, (dst)7-4 ← A3-0, (dst)3-0 ← (dst)7-4 [Operand] Mnemonic Operand(dst) ROR4 [HL] Note Note Specify an area other than the SFR area as operand [HL]. [Flag] ZAC CY [Description] • The lower 4 bits of the A register and the 2-digit data (4-bit data) of the destination operand (dst) are rotated to the right. The higher 4 bits of the A register remain unchanged. [Description example] ROR4 [HL]; Rightward digit rotation is executed with the memory contents specified by the A and HL registers. A (HL) 74 30 74 30 Before Execution 1010 0011 1100 0101 After Execution 1010 0101 0011 1100 0 0 3 4 7 dst 3 4 7 A |
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