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4508 Datasheet(PDF) 91 Page - Renesas Technology Corp |
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4508 Datasheet(HTML) 91 Page - Renesas Technology Corp |
91 / 142 page Skip condition Number of cycles Number of words Instruction code D9 D0 Flag CY 2 16 Skip condition Number of cycles Number of words Instruction code D9 D0 Flag CY 2 16 Skip condition Number of cycles Number of words Instruction code D9 D0 Flag CY 2 16 Skip condition Number of cycles Number of words Instruction code D9 D0 Flag CY 2 16 4508 Group Rev.1.02 2006.12.22 page 91 of 140 REJ03B0148-0102 RAR (Rotate Accumulator Right) 0000011101 01D 11 0/1 – Grouping: Arithmetic operation Description: Rotates 1 bit of the contents of register A in- cluding the contents of carry flag CY to the right. Operation: → CY → A3A2A1A0 RB j (Reset Bit) 00010011j j 0 4 11 – – Grouping: Bit operation Description: Clears (0) the contents of bit j (bit specified by the value j in the immediate field) of M(DP). Operation: (Mj(DP)) ← 0 j = 0 to 3 C +j MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued) RC (Reset Carry flag) 0000000110 006 11 0 – Grouping: Arithmetic operation Description: Clears (0) to carry flag CY. Operation: (CY) ← 0 RD (Reset port D specified by register Y) 0000010100 014 11 – – Grouping: Input/Output operation Description: Clears (0) to a bit of port D specified by register Y. Note: (Y) = 0 to 3. Do not execute this instruction if values ex- cept above are set to register Y. Operation: (D(Y)) ← 0 However, (Y) = 0 to 3 |
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