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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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HCS12 数据表(PDF) 101 Page - Freescale Semiconductor, Inc |
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HCS12 数据表(HTML) 101 Page - Freescale Semiconductor, Inc |
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101 / 452 page  S12CPUV2 Reference Manual, Rev. 4.0 Freescale Semiconductor 101 Operation: (B) + (X) ⇒ X Description: Adds the 8-bit unsigned content of accumulator B to the content of index register X considering the possible carry out of the low-order byte of X; places the result in X. The content of B is not changed. This mnemonic is implemented by the LEAX B,X instruction. The LEAX instruction allows A, B, D, or a constant to be added to X. For compatibility with the M68HC11, the mnemonic ABX is translated into the LEAX B,X instruction by the assembler. ABX Add Accumulator B to Index Register X ABX CCR Details: S X HIN Z V C –––––––– Source Form Address Mode Object Code Access Detail HCS12 M68HC12 ABX translates to... LEAX B,X IDX 1A E5 Pf PP (1) 1. Due to internal M68HC12 CPU requirements, the program word fetch is performed twice to the same address during this instruction. |
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