stepmoto.lst

单片机经典例程,包含一百多个经典的例子,其中既有程序,又有仿真

A51 MACRO ASSEMBLER  STEPMOTO                                                             02/09/2004 15:49:55 PAGE     1


MACRO ASSEMBLER A51 V7.08a
OBJECT MODULE PLACED IN Stepmoto.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE Stepmoto.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0090                 1             BA      EQU     P1.0
  0091                 2             BB      EQU     P1.1
  0092                 3             BC      EQU     P1.2
  0093                 4             BD      EQU     P1.3
                       5     
8000                   6             ORG     8000H
8000 028100            7             LJMP    MAIN
8100                   8             ORG     8100H
                       9     
8100                  10     MAIN:
8100 758160           11             MOV     SP,#60H
8103 312F             12             ACALL   DELAY
8105                  13     SMRUN:                          ;电机控制方式为单双八拍
8105 759008           14             MOV     P1,#08H         ;A
8108 312F             15             ACALL   DELAY
810A 75900C           16             MOV     P1,#0CH         ;AB
810D 312F             17             ACALL   DELAY
810F 759004           18             MOV     P1,#04H         ;B
8112 312F             19             ACALL   DELAY
8114 759006           20             MOV     P1,#06H         ;BC
8117 312F             21             ACALL   DELAY
8119 759002           22             MOV     P1,#02H         ;C
811C 312F             23             ACALL   DELAY
811E 759003           24             MOV     P1,#03H         ;CD
8121 312F             25             ACALL   DELAY
8123 759001           26             MOV     P1,#01H         ;D
8126 312F             27             ACALL   DELAY
8128 759009           28             MOV     P1,#09H         ;DA
812B 312F             29             ACALL   DELAY
812D 80D6             30             SJMP    SMRUN           ;循环转动
812F                  31     DELAY:                          ;单步延时程序
812F 7C0A             32             MOV     R4,#10
8131 7DFA             33     DELAY1: MOV     R5,#250
8133 DDFE             34             DJNZ    R5,$
8135 DCFA             35             DJNZ    R4,DELAY1
8137 22               36             RET
                      37             END
                             
                             
A51 MACRO ASSEMBLER  STEPMOTO                                                             02/09/2004 15:49:55 PAGE     2

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


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

BA . . . . . . . .  B ADDR   0090H.0 A   
BB . . . . . . . .  B ADDR   0090H.1 A   
BC . . . . . . . .  B ADDR   0090H.2 A   
BD . . . . . . . .  B ADDR   0090H.3 A   
DELAY. . . . . . .  C ADDR   812FH   A   
DELAY1 . . . . . .  C ADDR   8131H   A   
MAIN . . . . . . .  C ADDR   8100H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SMRUN. . . . . . .  C ADDR   8105H   A   
SP . . . . . . . .  D ADDR   0081H   A   


REGISTER BANK(S) USED: 0 


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