max517a.lst

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A51 MACRO ASSEMBLER  MAX517A                                                              08/11/2007 18:02:57 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN MAX517A.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE MAX517A.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;/* 这是被CALL517.C调用的MAX517汇编程序，文件名为MAX517A.ASM      */
                       2     ;/* 功能：本程序作用是实现MAX517芯片的D/A转换。                   */
                       3     
                       4        NAME MAX517A
                       5        ?PR?_a_func?MAX517A     SEGMENT CODE
                       6        ?DT?_a_func?MAX517A     SEGMENT DATA OVERLAYABLE
                       7        ?DT?MAX517A             SEGMENT DATA
                       8     
                       9        PUBLIC   chai
                      10        PUBLIC   ?_a_func?BYTE
                      11        PUBLIC    _a_func
----                  12        RSEG  ?DT?_a_func?MAX517A
0000                  13              ?_a_func?BYTE:
0000                  14              data_addr:DS 1
----                  15        RSEG  ?DT?MAX517A
0000                  16              chai:     DS 1
----                  17        RSEG  ?PR?_a_func?MAX517A
0000                  18              _a_func:
                      19              
  0090                20     SDA   BIT P1.0
  0091                21     SCL   BIT P1.1
                      22     
0000 8F00     F       23          MOV data_addr,R7   ;R7中放传递进来的字符型参