blink.lst

于ADuC812的智能无功补偿控制器的研制 一种眼科B型超声诊断议 SL11R单片机外部存储器扩展 单片机复位电路...支持键盘双击事件的C程序设计! 一些源程序 FrankLin C51 库函数的一

BLINK                                                                                                         PAGE 1

                       1    ;======================================================================
                       2    ;
                       3    ; Author        : ADI - Apps
                       4    ;
                       5    ; Date          : February 2001
                       6    ;
                       7    ; File          : Blink.asm
                       8    ;
                       9    ; Description   : Blink LED with 100mSec delay for MicroConverter DEMO            
                      10    ;
                      11    ;======================================================================
                      12    ;       
                      13    $MOD814                                 ; Use 8052 predefined Symbols
                      14    
----                  15    CSEG                                    ; Defines the following as a segment of code
                      16    
0000                  17    ORG     0000H                           ; Load Code at '0'      
                      18    
0000 020057           19                    JMP     MAIN            ; Jump to MAIN
                      20    
004B                  21    ORG 004Bh                               ; Subroutines
                      22    
                      23    
                      24    ;------------------------------------------------------------------
                      25    
004B                  26    DELAY:                                  ; Delays by 100ms * A
                      27                                            ; 100mSec based on 2.097152MHZ 
                      28                                            ; Core Clock 
                      29                                            ; i.e. default ADuC814 Clock
                      30    
004B F8               31                    MOV     R0,A            ; Acc holds delay variable
004C 7922             32     DLY0:          MOV     R1,#022h        ; Set up delay loop0
004E 7AFF             33     DLY1:          MOV     R2,#0FFh        ; Set up delay loop1
0050 DAFE             34                    DJNZ    R2,$            ; Dec R2 until R2 is zero
0052 D9FA             35                    DJNZ    R1,DLY1         ; Dec R1 & Jump DLY1 until R1 is 0
0054 D8F6             36                    DJNZ    R0,DLY0         ; Dec R0 & Jump DLY0 until R0 is 0
0056 22               37                    RET                     ; Return from subroutine
                      38    ;======================================================================
                      39    
0057                  40    MAIN:                                           ; (main program)
                      41    
0057 7401             42                    MOV     A,#01H                  ; Set up delay = A*100mSecs.
0059 B2B3             43    BLINK:          CPL     P3.3                    ; blink LED using compliment instruction
005B 114B             44                    CALL    DELAY                   ; Call Software delay 100mS
005D 80FA             45                    JMP     BLINK                   ; Jump to Blink
                      46    
                      47    END
                      48    
                      49    
                      50    

VERSION 1.2h ASSEMBLY COMPLETE, 0 ERRORS FOUND
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BLINK. . . . . . . . . . . . . .  C ADDR  0059H  
DELAY. . . . . . . . . . . . . .  C ADDR  004BH  
DLY0 . . . . . . . . . . . . . .  C ADDR  004CH  
DLY1 . . . . . . . . . . . . . .  C ADDR  004EH  
MAIN . . . . . . . . . . . . . .  C ADDR  0057H  
P3 . . . . . . . . . . . . . . .  D ADDR  00B0H  PREDEFINED