232.lst

周立功开发板源代码,里面包含了各种关于周立功dp51开发板的源代码

A51 MACRO ASSEMBLER  232                                                                  03/31/2003 15:48:22 PAGE     1


MACRO ASSEMBLER A51 V7.01
OBJECT MODULE PLACED IN 232.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE 232.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0045                 1     BUF     DATA    45H
  0030                 2     DBUF0   EQU     30H
  0037                 3     DATA_SL DATA    37H             ;定义位码变量
                       4     
  2000                 5     LED_ADDR        EQU     2000H           ;定义LED事牍艿氖据段地址
8000                   6             ORG     8000H
8000 2100              7             AJMP    MAIN
8100                   8             ORG     8100H
8100                   9     MAIN:
8100 758160           10             MOV     SP,#60H
8103 758920           11             MOV     TMOD,#20H       ;设置T1为方式2
8106 758DFD           12             MOV     TH1,#0FDH       ;设置波特率为9600
8109 758BFD           13             MOV     TL1,#0FDH
810C D28E             14             SETB    TR1
810E 759840           15             MOV     SCON,#40H       ;设置串口位方式1
8111 758700           16             MOV     PCON,#00H
8114                  17     UPUP:
8114 7830             18             MOV     R0,#30H
8116 7F05             19             MOV     R7,#5H          ;连续接收5个示