bin4d.lst

PROTEUS仿真PIC16F877的例子

MPASM 03.70 Released                                BIN4D.ASM   3-4-2006  18:06:12         PAGE  1


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00001 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00002 ;
                      00003 ;       Source File:    BIN4D.ASM               
                      00004 ;       Author:         MPB              
                      00005 ;       Date:           13-11-05 
                      00006 ;
                      00007 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00008 ;
                      00009 ;       Slow output binary count is stopped, started
                      00010 ;       and reset with push buttons. 
                      00011 ;       Modified with extra directives
                      00012 ;
                      00013 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
                      00014 
                      00015 ;       Declare processor, supress messages and warnings,
                      00016 ;       do not print symbol table, and configure (RC clock)
                      00017 
                      00018         LIST p=16f877a, w=2, st=off, mm=off
2007   3733           00019         __CONFIG 0x3733         
                      00020 
                      00021 ;       Declare GPR label and literal constant
                      00022 ;       Define input labels 
                      00023 ;       Include standard SFR label file
                      00024 ;       Include PortB initialisation file
                      00025 
  00000020            00026 Timer EQU 20
  00000000            00027 DDCodeB SET b'00000000'
  0003                00028 CONSTANT Count=003
                      00029 #DEFINE RunBut PORTD,1
                      00030 #DEFINE ResBut PORTD,0
                      00031 #INCLUDE "P16F877A.INC"
                      00001         LIST
                      00002 ; P16F877A.INC  Standard Header File, Version 1.00    Microchip Technology, Inc.
                      00398         LIST
                      00032 #INCLUDE <BOUT.INI>
0000   1683 1303      00001         BANKSEL TRISB           ; Select bank 1
0002   3000           00002         MOVLW   DDCodeB         ; Port B Direction Code
0003   0086           00003         MOVWF   TRISB           ; Load the DDR code into F86
0004   1283 1303      00004         BANKSEL PORTB           ; Select bank 0
                      00033 
                      00034 ; Program code ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00035 
                      00036 ; 'delay' macro .............................................
                      00037         
                      00038 delay   MACRO                   ; macro definition starts
                      00039         MOVWF   Timer           ; Copy W to timer register
                      00040 down    DECF    Timer           ; Decrement timer register 
                      00041         BNZ     down            ; and repeat until zero
                      00042         ENDM                    ; macro definition ends
                      00043 
                      00044 ; Main loop .................................................
                      00045 
0006   0186           00046 reset   CLRF    PORTB           ; Clear Port B Data 
MPASM 03.70 Released                                BIN4D.ASM   3-4-2006  18:06:12         PAGE  2


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00047 
0007   1C08           00048 start   BTFSS   ResBut          ; Test reset button
0008   2806           00049         GOTO    reset           ; and reset Port B if pressed
0009   1888           00050         BTFSC   RunBut          ; Test run button
000A   2807           00051         GOTO    start           ; and repeat if n pressed
                      00052 
000B   0A86           00053         INCF    PORTB           ; Increment output at Port B 
000C   3003           00054         MOVLW   Count           ; Delay count literal
                      00055         delay                   ; Jump to subroutine 'delay'
000D   00A0               M         MOVWF   Timer           ; Copy W to timer register
000E   03A0               M down    DECF    Timer           ; Decrement timer register 
000F   1D03 280E          M         BNZ     down            ; and repeat until zero
0011   2807           00056         GOTO    start           ; Repeat main loop always
                      00057 
                      00058         END                     ; Terminate source code......

Errors   :     0
Warnings :     0 reported,     1 suppressed
Messages :     0 reported,     3 suppressed