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HT82M99AE Datasheet(PDF) 41 Page - Holtek Semiconductor Inc |
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HT82M99AE Datasheet(HTML) 41 Page - Holtek Semiconductor Inc |
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41 / 47 page  SZ [m] Skip if data memory is 0 Description If the contents of the specified data memory are 0, the following instruction, fetched during the current instruction execution, is discarded and a dummy cycle is replaced to get the proper instruction (2 cycles). Otherwise proceed with the next instruction (1 cycle). Operation Skip if [m]=0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ SZA [m] Move data memory to ACC, skip if 0 Description The contents of the specified data memory are copied to the accumulator. If the contents is 0, the following instruction, fetched during the current instruction execution, is discarded and a dummy cycle is replaced to get the proper instruction (2 cycles). Otherwise proceed with the next instruction (1 cycle). Operation Skip if [m]=0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ SZ [m].i Skip if bit i of the data memory is 0 Description If bit i of the specified data memory is 0, the following instruction, fetched during the current instruction execution, is discarded and a dummy cycle is replaced to get the proper instruc- tion (2 cycles). Otherwise proceed with the next instruction (1 cycle). Operation Skip if [m].i=0 Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ TABRDC [m] Move the ROM code (locate by TBLP and TBHP) to TBLH and data memory (ROM code TBHP is enabled) Description The low byte of ROM code addressed by the table pointers (TBLPand TBHP) is moved to the specified data memory and the high byte transferred to TBLH directly. Operation [m] ¬ ROM code (low byte) TBLH ¬ ROM code (high byte) Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ TABRDC [m] Move the ROM code (current page) to TBLH and data memory (ROM code TBHP is disabled) Description The low byte of ROM code (current page) addressed by the table pointer (TBLP) is moved to the specified data memory and the high byte transferred to TBLH directly. Operation [m] ¬ ROM code (low byte) TBLH ¬ ROM code (high byte) Affected flag(s) TO PDF OV Z AC C ¾¾¾¾¾¾ HT82M99EE/HT82M99AE Rev. 1.00 41 February 8, 2006 |
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