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来自「13例常用仿真电路」· 代码 · 共 11 行

A51 MACRO ASSEMBLER  KEY_PRESS                                                            07/31/2007 23:30:14 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN .\key-press.OBJ
ASSEMBLER INVOKED BY: C:\单片机\Keil\C51\BIN\A51.EXE .\key-press.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                                     ORG 0 
0000 7900              2     START:                  MOV R1,#00H                     ;初始化R7为0，表示从0开始计