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HT48R54A_14 Datasheet, PDF (37/42 Pages) Holtek Semiconductor Inc – 44-pin QFP/LQFP | |||
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SUBM A, [m]
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HT48R54A
Subtract data memory from the accumulator
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[m] ACCï¼[m]
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SUB A, x
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Subtract immediate data from the accumulator
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容åå»ç«å³æ°ï¼ç»æåæ¾å°ç´¯å å¨ãå¦æç»æ为è´ï¼C æ å¿ä½æ¸
é¤ä¸º 0ï¼
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ACC ACCï¼x
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SWAP [m]
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Swap nibbles within the data memory
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[m].3~[m].0 â[m].7~[m].4
æ
SWAPA [m]
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Swap data memory and place result in the accumulator
å°æå®æ°æ®åå¨å¨çä½ 4 ä½åé« 4 ä½äºç¸äº¤æ¢ï¼åå°ç»æåæ¾å°ç´¯å å¨ä¸æå®æ°æ®å¯å
å¨çæ°æ®ä¿æä¸åã
ACC.3~ACC.0 [m].7~[m].4
ACC.7~ACC.4 [m].3~[m].0
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SZ
[m]
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Skip if data memory is 0
å¤ææå®æ°æ®åå¨å¨çå
容æ¯å¦ä¸º 0ï¼è¥ä¸º 0ï¼åç¨åºè·³è¿ä¸ä¸æ¡æ令æ§è¡ãç±äºåå¾ä¸
ä¸ä¸ªæ令æ¶ä¼è¦æ±æå
¥ä¸ä¸ªç©ºæ令å¨æï¼æ以æ¤æ令为 2 个å¨æçæ令ãå¦æç»æä¸ä¸º
0ï¼åç¨åºç»§ç»æ§è¡ä¸ä¸æ¡æ令ã
å¦æ[m] = 0, è·³è¿ä¸ä¸æ¡æ令æ§è¡
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SZA [m]
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Move data memory to ACC,skip if 0
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容å¤å¶å°ç´¯å å¨ï¼å¹¶å¤ææå®æ°æ®åå¨å¨çå
容æ¯å¦ä¸º 0ï¼è¥ä¸º 0
åè·³è¿ä¸ä¸æ¡æ令ãç±äºåå¾ä¸ä¸ä¸ªæ令æ¶ä¼è¦æ±æå
¥ä¸ä¸ªç©ºæ令å¨æï¼æ以æ¤æ令为
2 个å¨æçæ令ãå¦æç»æä¸ä¸º 0ï¼åç¨åºç»§ç»æ§è¡ä¸ä¸æ¡æ令ã
ACC [m]ï¼å¦æ[m] = 0ï¼è·³è¿ä¸ä¸æ¡æ令æ§è¡
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SZ [m]. i
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Skip if bit I of the data memory is 0
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令æ¶ä¼è¦æ±æå
¥ä¸ä¸ªç©ºæ令å¨æï¼æ以æ¤æ令为 2 个å¨æçæ令ãå¦æç»æä¸ä¸º 0ï¼å
ç¨åºç»§ç»æ§è¡ä¸ä¸æ¡æ令ã
å¦æ[m].i = 0ï¼è·³è¿ä¸ä¸æ¡æ令æ§è¡
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Rev. 1.30
37
2014-04-03
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