timer4.lst

This is an program for the 8051 for timer subsystem

A51 MACRO ASSEMBLER  TIMER4                                                               02/27/2008 14:50:39 PAGE     1


MACRO ASSEMBLER A51 V8.00c
OBJECT MODULE PLACED IN timer4.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE timer4.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                      ORG 0000h
0000 010D              2                             AJMP STRT
000B                   3                             ORG 000Bh
000B 0121              4                             AJMP INT_TF0
000D 758150            5     STRT:           MOV SP,#50h
0010 D2A9              6                             SETB ET0
0012 D2AF              7                             SETB EA
0014 758902            8                             MOV TMOD,#02h   ;Timer 0 in mode 2
0017 758C9B            9                             MOV TH0,#9Bh            ;Count for 100?S
001A 758A9B           10                             MOV TL0,#9Bh
001D D28C             11                             SETB TR0
001F 80FE             12     HERE:           SJMP HERE
0021 B290             13     INT_TF0:        CPL P1.0
0023 32               14                             RETI
                      15                             END
A51 MACRO ASSEMBLER  TIMER4                                                               02/27/2008 14:50:39 PAGE     2

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


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

EA . . . . . . . .  B ADDR   00A8H.7 A   
ET0. . . . . . . .  B ADDR   00A8H.1 A   
HERE . . . . . . .  C ADDR   001FH   A   
INT_TF0. . . . . .  C ADDR   0021H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SP . . . . . . . .  D ADDR   0081H   A   
STRT . . . . . . .  C ADDR   000DH   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TMOD . . . . . . .  D ADDR   0089H   A   
TR0. . . . . . . .  B ADDR   0088H.4 A   


REGISTER BANK(S) USED: 0 


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