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PM0044 数据表(PDF) 49 Page - STMicroelectronics |
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PM0044 数据表(HTML) 49 Page - STMicroelectronics |
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49 / 162 page  PM0044 STM8 addressing modes Doc ID 13590 Rev 3 49/162 6.9 Short Pointer Indirect Long Indexed addressing mode The pointer address is a byte, the pointer size is a word, thus allowing up to 128 KB addressing space, and requires 1 byte after the op-code. Example: 0089 0800 ptr dc.w table 0800 10203040 table dc.b $10,$20,$30,$40 0690 AE03 LD X,#3 0692 92D689 LD A,([shortptr.w],X) X = 3 A = ([shortptr.w],X) = ((shortptr.w), X) = (($89.w), 3) = ($0800,3) = ($0803) = $40 |
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