clock.lst
来自「C语言单片机编程的代码及教程文献」· LST 代码 · 共 47 行
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47 行
A51 MACRO ASSEMBLER CLOCK 07/17/2007 20:13:19 PAGE 1
MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN .\clock.obj
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE ..\App\clock.ASM SET(SMALL) DEBUG PRINT(.\clock.lst) OBJECT(.\clock.obj) EP
LOC OBJ LINE SOURCE
1 NAME DELAYASM
2 Delay_Code SEGMENT CODE
3 PUBLIC Song_delay
4 EXTRN DATA(time1)
5 EXTRN DATA(time2)
6 EXTRN DATA(tvar)
---- 7 RSEG Delay_Code
8
0000 9 Song_delay:
0000 7500FA F 10 mov time2,#250
0003 7500F8 F 11 mov time1,#248
0006 D500FD F 12 djnz time1,$
0009 D500F9 F 13 djnz time2,$-4
000C D500F1 F 14 djnz tvar,Song_delay
000F 22 15 RET
16
17 END
A51 MACRO ASSEMBLER CLOCK 07/17/2007 20:13:19 PAGE 2
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
DELAYASM . . . . . N NUMB -----
DELAY_CODE . . . . C SEG 0010H REL=UNIT
SONG_DELAY . . . . C ADDR 0000H R SEG=DELAY_CODE
TIME1. . . . . . . D ADDR ----- EXT
TIME2. . . . . . . D ADDR ----- EXT
TVAR . . . . . . . D ADDR ----- EXT
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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