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HT67F60 Datasheet(PDF) 236 Page - Holtek Semiconductor Inc |
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HT67F60 Datasheet(HTML) 236 Page - Holtek Semiconductor Inc |
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236 / 242 page  Rev. 1.50 236 March 06 , 2012 Rev. 1.50 237 March 06 , 2012 HT67F30/HT67F40/HT67F50/HT67F60 TinyPowerTM A/D Flash Type 8-Bit MCU with LCD & EEPRO Subtract Data Memory from ACC with result in Data Memory The specified Data Memory is subtracted from the contents of the Accumulator. The result is stored in the Data Memory. Note that if the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result is positive or zero, the C flag will be set to 1. [m] ← ACC − [m] OV, Z, AC, C Subtract immediate data from ACC The immediate data specified by the code is subtracted from the contents of the Accumulator. The result is stored in the Accumulator. Note that if the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result is positive or zero, the C flag will be set to 1. ACC ← ACC − x OV, Z, AC, C Swap nibbles of Data Memory The low-order and high-order nibbles of the specified Data Memory are interchanged. [m].3~[m].0↔[m].7 ~ [m].4 None Swap nibbles of Data Memory with result in ACC The low-order and high-order nibbles of the specified Data Memory are interchanged. The result is stored in the Accumulator. The contents of the Data Memory remain unchanged. ACC.3 ~ ACC.0 ← [m].7 ~ [m].4 ACC.7 ~ ACC.4 ← [m].3 ~ [m].0 None Skip if Data Memory is 0 If the contents of the specified Data Memory is 0, the following instruction is skipped. As this requires the insertion of a dummy instruction while the next instruction is fetched, it is a two cycle instruction. If the result is not 0 the program proceeds with the following instruction. Skip if [m] = 0 None Skip if Data Memory is 0 with data movement to ACC The contents of the specified Data Memory are copied to the Accumulator. If the value is zero, the following instruction is skipped. As this requires the insertion of a dummy instruction while the next instruction is fetched, it is a two cycle instruction. If the result is not 0 the program proceeds with the following instruction. ACC ← [m] Skip if [m] = 0 None SUBM A,[m] Description Operation Affected flag(s) SUB A,x Description Operation Affected flag(s) SWAP [m] Description Operation Affected flag(s) SWAPA [m] Description Operation Affected flag(s) SZ [m] Description Operation Affected flag(s) SZA [m] Description Operation Affected flag(s) |
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