| 전자부품 데이터시트 검색엔진 |
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HT46R64 데이터시트(PDF) 39 Page - Holtek Semiconductor Inc |
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HT46R64 데이터시트(HTML) 39 Page - Holtek Semiconductor Inc |
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39 / 47 page ![]() RLC [m] Rotate data memory left through carry Description The contents of the specified data memory and the carry flag are rotated 1 bit left. Bit 7 re- places the carry bit; the original carry flag is rotated into the bit 0 position. Operation [m].(i+1) ¬ [m].i; [m].i:bit i of the data memory (i=0~6) [m].0 ¬ C C ¬ [m].7 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾ Ö RLCA [m] Rotate left through carry and place result in the accumulator Description Data in the specified data memory and the carry flag are rotated 1 bit left. Bit 7 replaces the carry bit and the original carry flag is rotated into bit 0 position. The rotated result is stored in the accumulator but the contents of the data memory remain unchanged. Operation ACC.(i+1) ¬ [m].i; [m].i:bit i of the data memory (i=0~6) ACC.0 ¬ C C ¬ [m].7 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾ Ö RR [m] Rotate data memory right Description The contents of the specified data memory are rotated 1 bit right with bit 0 rotated to bit 7. Operation [m].i ¬ [m].(i+1); [m].i:bit i of the data memory (i=0~6) [m].7 ¬ [m].0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ RRA [m] Rotate right and place result in the accumulator Description Data in the specified data memory is rotated 1 bit right with bit 0 rotated into bit 7, leaving the rotated result in the accumulator. The contents of the data memory remain unchanged. Operation ACC.(i) ¬ [m].(i+1); [m].i:bit i of the data memory (i=0~6) ACC.7 ¬ [m].0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ RRC [m] Rotate data memory right through carry Description The contents of the specified data memory and the carry flag are together rotated 1 bit right. Bit 0 replaces the carry bit; the original carry flag is rotated into the bit 7 position. Operation [m].i ¬ [m].(i+1); [m].i:bit i of the data memory (i=0~6) [m].7 ¬ C C ¬ [m].0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾ Ö HT46R64/HT46C64 Rev. 1.40 39 September 21, 2004 |
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