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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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SH7041A 数据表(PDF) 91 Page - Renesas Technology Corp |
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SH7041A 数据表(HTML) 91 Page - Renesas Technology Corp |
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91 / 923 page  53 Table 2.8 Addressing Modes and Effective Addresses (cont) Addressing Mode Instruction Format Effective Addresses Calculation Equation Indirect register addressing with displacement @(disp:4, Rn) The effective address is Rn plus a 4-bit displacement (disp). The value of disp is zero- extended, and remains the same for a byte operation, is doubled for a word operation, and is quadrupled for a longword operation. Rn Rn + disp × 1/2/4 + × 1/2/4 disp (zero-extended) Byte: Rn + disp Word: Rn + disp × 2 Longword: Rn + disp × 4 Indirect indexed register addressing @(R0, Rn) The effective address is the Rn value plus R0. Rn R0 Rn + R0 + Rn + R0 Indirect GBR addressing with displacement @(disp:8, GBR) The effective address is the GBR value plus an 8-bit displacement (disp). The value of disp is zero- extended, and remains the same for a byte opera- tion, is doubled for a word operation, and is quadrupled for a longword operation. GBR 1/2/4 GBR + disp × 1/2/4 + × disp (zero-extended) Byte: GBR + disp Word: GBR + disp × 2 Longword: GBR + disp × 4 |
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