2262.lst

利用单片机软件模拟pt2262编码器

A51 MACRO ASSEMBLER  2262                                                                 08/23/2007 19:28:22 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN 2262.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE 2262.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             org 0000h
                       2     
0000 7B06              3     send:   MoV R3,#06H      ;重复发6次码
0002 E536              4     A0:     MOV A,36H
0004 1113              5             ACALL A1
0006 7C04              6             MOV R4,#04H     ;发4个输出脉冲
0008 E537              7             MOV A, 37H
000A 1119              8             ACALL A2
000C D290              9             SETB P1.0
000E 1135             10             ACALL YANT      ;重复发1次码暂停
0010 DBF0             11             DJNZ R3,A0
0012 22               12             RET
0013 7C08             13      A1:    MOV R4,#08H     ;发8个解码脉冲
0015 C290             14             CLR P1.0
0017 1133             15             ACALL YAN2      ;延时2
0019 33               16      A2:    RLC A
001A 400A             17             JC A3
001C D290             18             SETB P1.0
001E 1133             19             ACALL YAN2
0020 C290             20             CLR P1.0
0022 1131             21             ACALL YAN1      ;延时1
0024 8008             22             SJMP A4
0026 D290             23      A3:    SETB P1.0
0028 1131             24             ACALL YAN1
002A C290             25             CLR P1.0
002C 1133             26             ACALL YAN2
002E DCE9             27      A4:    DJNZ R4,A2
0030 22               28             RET
                      29     
0031 00               30     yan1:   nop
0032 22               31             ret
0033 00               32     yan2:   nop
0034 22               33             ret
0035 00               34     yant:   nop
                      35             end
                             
A51 MACRO ASSEMBLER  2262                                                                 08/23/2007 19:28:22 PAGE     2

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

A0 . . . . . . . .  C ADDR   0002H   A   
A1 . . . . . . . .  C ADDR   0013H   A   
A2 . . . . . . . .  C ADDR   0019H   A   
A3 . . . . . . . .  C ADDR   0026H   A   
A4 . . . . . . . .  C ADDR   002EH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SEND . . . . . . .  C ADDR   0000H   A   
YAN1 . . . . . . .  C ADDR   0031H   A   
YAN2 . . . . . . .  C ADDR   0033H   A   
YANT . . . . . . .  C ADDR   0035H   A   


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)