?? multi switch.lst
字號(hào):
A51 MACRO ASSEMBLER MULTI_SWITCH 07/24/2006 08:19:33 PAGE 1
MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN Multi Switch.OBJ
ASSEMBLER INVOKED BY: E:\Keil\C51\BIN\A51.EXE Multi Switch.asm SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
0000 1 ORG 00H
0000 E590 2 START: MOV A,P1 ;讀取P1口數(shù)據(jù)
0002 C4 3 SWAP A ;交換A中高四位與低四位的位置
0003 44F0 4 ORL A,#0F0H ;與0F0H相或
0005 F590 5 MOV P1,A ;將開關(guān)狀態(tài)送LED顯示
0007 80F7 6 SJMP START
7 END
A51 MACRO ASSEMBLER MULTI_SWITCH 07/24/2006 08:19:33 PAGE 2
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
P1 . . . . . . . . D ADDR 0090H A
START. . . . . . . C ADDR 0000H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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