test.lst

单片机驱动步进电机代码（二） 适于各类单片机

A51 MACRO ASSEMBLER  TEST                                                                 05/05/2005 02:08:52 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN test.OBJ
ASSEMBLER INVOKED BY: C:\Program Files\Keil\C51\BIN\A51.EXE test.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     public TRACK
                       2     
                       3     ASMCODE segment code
----                   4         rseg ASMCODE
                       5     
0000                   6     TRACK:
0000 7EFC              7             MOV R6, #0FCH   ;speed adjust
0002 7FFF              8             MOV R7, #0FFH
0004 120000   F        9             LCALL CST       ;one step
0007 C28C             10             CLR TR0         ;delay
0009 E58A             11             MOV A, TL0
000B 2E               12             ADD A, R6
000C F58A             13             MOV TL0, A
000E E58C             14             MOV A, TH0
0010 2F               15             ADD A, R7
0011 F58C             16             MOV TH0, A
0013 D28C             17             SETB TR0
0015 32               18             RETI
                      19     
0016                  20     CST:
0016 08               21             INC R0
0017 B80802           22             CJNE R0, #08H, CSTS
001A 7800             23             MOV R0, #00H
001C                  24       CSTS:                         ;look up in the table
001C E8               25             MOV A, R0       
001D 900000   F       26             MOV DPTR, #LNGI 
0020 93               27             MOVC A, @A+DPTR
0021 F5A0             28             MOV P2, A
0023 22               29             RET
                      30     
0024 FEFCFDF9         31     LNGI:   DB 0FEH,0FCH,0FDH,0F9H,0FBH,0F3H,0F7H,0F6H      ;longitude table
0028 FBF3F7F6                
                      32     
                      33             END
A51 MACRO ASSEMBLER  TEST                                                                 05/05/2005 02:08:52 PAGE     2

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


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

ASMCODE. . . . . .  C SEG    002CH       REL=UNIT
CST. . . . . . . .  C ADDR   0016H   R   SEG=ASMCODE
CSTS . . . . . . .  C ADDR   001CH   R   SEG=ASMCODE
LNGI . . . . . . .  C ADDR   0024H   R   SEG=ASMCODE
P2 . . . . . . . .  D ADDR   00A0H   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TR0. . . . . . . .  B ADDR   0088H.4 A   
TRACK. . . . . . .  C ADDR   0000H   R   SEG=ASMCODE


REGISTER BANK(S) USED: 0 


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