?? led.lst
字號:
A51 MACRO ASSEMBLER LED 07/29/2007 11:36:28 PAGE 1
MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN LED.OBJ
ASSEMBLER INVOKED BY: C:\Tools\Keil\C51\BIN\A51.EXE LED.ASM SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
0000 1 ORG 0
0000 C280 2 START: CLR P0.0
0002 12000D 3 LCALL DELAY
0005 D280 4 SETB P0.0
0007 12000D 5 LCALL DELAY
000A 020000 6 LJMP START
000D 7D14 7 DELAY: MOV R5,#20 ;延時子程序,延時0.2秒
000F 7E14 8 D1: MOV R6,#20
0011 7FE6 9 D2: MOV R7,#230
0013 DFFE 10 DJNZ R7,$
0015 DEFA 11 DJNZ R6,D2
0017 DDF6 12 DJNZ R5,D1
0019 22 13 RET
14 END
A51 MACRO ASSEMBLER LED 07/29/2007 11:36:28 PAGE 2
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
D1 . . . . . . . . C ADDR 000FH A
D2 . . . . . . . . C ADDR 0011H A
DELAY. . . . . . . C ADDR 000DH A
P0 . . . . . . . . D ADDR 0080H A
START. . . . . . . C ADDR 0000H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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