p0口led+1-1程序t.lst

单片机开发资料光盘-双龙-686M.zip

A51 MACRO ASSEMBLER  P0口LED_1_1____T                                                     06/24/2001 18:56:13 PAGE     1


MACRO ASSEMBLER A51 V6.02
OBJECT MODULE PLACED IN .\P0口LED+1-1程序T.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE .\P0口LED+1-1程序T.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;0CA0H-0CB8H P0口的LED发光二极管-1、+1程序。
                       2     
00A0                   3                    ORG     00A0H                    ;P0口-1,+1程序
00A0 7580FF            4             MOV     P0,#0FFH                        ;关P0口, LED灯灭
00A3 7A20              5     L6CA3:  MOV     R2,#20H                 ;延时常