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UPD70320 Datasheet(PDF) 39 Page - NEC |
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UPD70320 Datasheet(HTML) 39 Page - NEC |
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39 / 74 page  39 µPD70320 Table 2-8. Number of Clocks (3/10) Note n: 1/2 of the number of BCD digits. Byte Processing Word Processing Group Mnemonic Operands On-chip RAM On-chip RAM On-chip RAM On-chip RAM Access Enable Access Disable Access Enable Access Disable Addition/ SUB reg, reg 2 2 2 2 subtraction mem, reg EA + 8 + 2·T EA + 6 + T EA + 12 + 4·T EA + 8 + 2·T reg, mem EA + 6 + T EA + 6 + T EA + 8 + 2·T EA + 8 + 2·T reg, imm 5 5 6 6 mem, imm EA + 9 + 2·T EA + 7 + 2·T EA + 14 + 4·T EA + 10 + 4·T acc, imm 5 5 6 6 SUBC reg, reg 2 2 2 2 mem, reg EA + 8 + 2·T EA + 6 + T EA + 12 + 4·T EA + 8 + 2·T reg, mem EA + 6 + T EA + 6 + T EA + 8 + 2·T EA + 8 + 2·T reg, imm 5 5 6 6 mem, imm EA + 9 + 2·T EA + 7 + 2·T EA + 14 + 4·T EA + 10 + 4·T acc, imm 5 5 6 6 BCD ADD4SNote 22 + (27 + 3·T)·n 22 + (25 + 3·T)·n — — operation SUB4SNote 22 + (27 + 3·T)·n 22 + (25 + 3·T)·n — — CMP4SNote 22 + (23 + 3·T)·n 22 + (23 + 3·T)·n — — ROL4 reg8 17 17 — — mem8 EA + 18 + 2·T EA + 16 + 2·T — — ROR4 reg8 21 21 — — mem8 EA + 24 + 2·T EA + 22 + 2·T — — Increment / INC reg8 5 5 — — decrement mem8 EA + 11 + 2·T EA + 9 + 2·T EA + 15 + 4·T EA + 11 + 4·T reg16 — — 2 2 DEC reg8 5 5 — — mem8 EA + 11 + 2·T EA + 9 + 2·T EA + 15 + 4·T EA + 11 + 4·T reg16 — — 2 2 Multiplica- MULU reg8 24 24 — — tion mem8 EA + 26 + T EA + 26 + T — — reg16 — — 32 32 mem16 — — EA + 34 + 2·T EA + 34 + 2·T |
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