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7721 Datasheet(PDF) 515 Page - Renesas Technology Corp |
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7721 Datasheet(HTML) 515 Page - Renesas Technology Corp |
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515 / 577 page  APPENDIX Appendix 6. Machine instructions 7721 Group User’s Manual 17–52 Symbol Functions Details IMP IMM A DIR DIR,b DIR,X DIR,Y (DIR) (DIR,X) (DIR),Y op n op op n op n n op op n op nn op op op Addressing modes Makes the contents of the specified bit in the memory “1.” Makes the contents of the I flag “1.” Makes the contents of the m flag “1.” Set the specified bit of the processor status register's lower byte (PSL) to “1.” Stores the contents of the accumulator into the memory. Stops the oscillation of the oscillator. Stores the contents of the index register X into the memory. Stores the contents of the index register Y into the memory. Transmits the contents of the accumulator A to the direct page register. Transmits the contents of the accumulator A to the stack pointer. Transmits the contents of the accumulator A to the index register X. Transmits the contents of the accumulator A to the index register Y. Transmits the contents of the accumulator B to the direct page register. Transmits the contents of the accumulator B to the stack pointer. Transmits the contents of the accumulator B to the index register X. Transmits the contents of the accumulator B to the index register Y. Transmits the contents of the direct page register to the accumulator A. Transmits the contents of the direct page register to the accumulator B. Makes the contents of the C flag “1.” SEB (Note 5) Mb ←1 SEC SEI SEM SEP STA (Note 1) STP STX STY TAD TAS C ←1 I ←1 m ←1 PSb ←1 M ←ACC M ←X M ←Y DPR ←A S ←A X ←A Y ←A DPR ←B S ←B TAX TAY TBD TBS TDB X ←B TBX TBY TDA Y ←B A ←DPR B ←DPR 42 2 2 04 83 38 21 78 21 2 F8 1 2 3 DB 31 2 4 85 42 6 85 3 3 9 42 3 9 42 7 42 2 5 95 72 81 72 91 72 91 3 81 92 95 2 4 86 2 4 84 52 96 94 2 5 5B 21 1B 21 AA 21 A8 21 4 42 2 5B 42 42 1B 42 AA 42 4 A8 7B 21 42 4 7B Transmits the contents of the stack pointer to the accumulator A. Transmits the contents of the stack pointer to the accu- mulator B. A ←S B ←S TSA TSB 3B 21 42 42 Transmits the contents of the stack pointer to the index register X. Transmits the contents of the index register X to the ac- cumulator A. X ←S A ←X TSX TXA Transmits the contents of the index register X to the ac- cumulator B. Transmits the contents of the index register X to the stack pointer. B ←X S ←X TXB TXS Transmits the contents of the index register X to the index register Y. Y ←X TXY Transmits the contents of the index register Y to the ac- cumulator A. A ←Y TYA TYB B ←Y Transmits the contents of the index register Y to the index register X. Stops the internal clock. Exchanges the contents of the accumulator A and the con- tents of the accumulator B. TYX WIT XAB X ←Y A B ← → BA 21 21 42 2 4 8A 9A 21 9B 21 98 21 42 42 98 Transmits the contents of the index register Y to the ac- cumulator B. BB 21 CB 31 2 6 89 28 8A 3B E2 92 9 3 42 # ## n # ### n # # # n |
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