?? mod1.lst
字號:
A51 MACRO ASSEMBLER MOD1 01/29/2007 10:28:41 PAGE 1
MACRO ASSEMBLER A51 V6.23
OBJECT MODULE PLACED IN .\Mod1.obj
ASSEMBLER INVOKED BY: d:\Keil\C51\BIN\A51.EXE C:\Documents and Settings\cdqd1\桌面\AY-MPU89c51D\ayasm\Mod1.asm SET(SMALL
) DEBUG PRINT(.\Mod1.lst) OBJECT(.\Mod1.obj) EP
LOC OBJ LINE SOURCE
0000 1 ORG 0000H
0000 758160 2 MOD1: MOV SP,#60H ;DISPLAY 00~99
0020 3 a_bit equ 20h ;ge bit
0021 4 b_bit equ 21h ;shi bit
0022 5 count equ 22h ;count
0003 7F00 6 start: mov r7,#00h
0005 752200 7 mov count,#00h
0008 1117 8 loop: acall display
000A 0522 9 inc count
000C E522 10 mov a,count
000E B464F7 11 cjne a,#100,loop
0011 752200 12 mov count,#00h
0014 020008 13 ljmp loop
0017 7A04 14 display:mov r2,#04h
0019 7BFA 15 dis0: mov r3,#250
001B E522 16 dis1: mov a,count
001D 75F00A 17 mov b,#10
0020 84 18 div ab
0021 F521 19 mov b_bit,a ;shi wei
0023 85F020 20 mov a_bit,b ;ge wei
0026 900047 21 mov dptr,#tab
0029 E520 22 mov a,a_bit
002B 93 23 movc a,@a+dptr
002C F580 24 mov p0,a
002E C2A7 25 clr p2.7
0030 DFFE 26 djnz r7,$
0032 D2A7 27 setb p2.7
0034 E521 28 mov a,b_bit
0036 93 29 movc a,@a+dptr
0037 F580 30 mov p0,a
0039 C2A6 31 clr p2.6
003B DFFE 32 djnz r7,$
003D D2A6 33 setb p2.6
003F 758000 34 mov p0,#00h
0042 DBD7 35 djnz r3,dis1
0044 DAD3 36 djnz r2,dis0
0046 22 37 ret
0047 CF035D5B 38 tab: db 0cfh,03h,5dh,5bh,93h,0dah,0deh,43h,0dfh,0dbh
004B 93DADE43
004F DFDB
39 end
A51 MACRO ASSEMBLER MOD1 01/29/2007 10:28:41 PAGE 2
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
A_BIT. . . . . . . N NUMB 0020H A
B. . . . . . . . . D ADDR 00F0H A
B_BIT. . . . . . . N NUMB 0021H A
COUNT. . . . . . . N NUMB 0022H A
DIS0 . . . . . . . C ADDR 0019H A
DIS1 . . . . . . . C ADDR 001BH A
DISPLAY. . . . . . C ADDR 0017H A
LOOP . . . . . . . C ADDR 0008H A
MOD1 . . . . . . . C ADDR 0000H A
P0 . . . . . . . . D ADDR 0080H A
P2 . . . . . . . . D ADDR 00A0H A
SP . . . . . . . . D ADDR 0081H A
START. . . . . . . C ADDR 0003H A
TAB. . . . . . . . C ADDR 0047H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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