bin4.lst

代码保护功能处于持续发展中。Microchip 承诺将不断改进产品的代码保护功能。任何试图破坏Microchip 代码保护功能的行为均可视 为违反了《数字器件千年版权法案（Digital Mille

MPASM 03.70.01 Released                              BIN4.ASM   2-28-2006  17:22:20         PAGE  1


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00001 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00002 ;
                      00003 ;       Source File:    BIN4.ASM                
                      00004 ;       Author:         MPB              
                      00005 ;       Date:           28-5-05      
                      00006 ;
                      00007 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00008 ;
                      00009 ;       Slow output binary count is stopped, started
                      00010 ;       and reset with push buttons. 
                      00011 ;
                      00012 ;       Processor:      PIC 16F877
                      00013 ;
                      00014 ;       Hardware:       PIC Demo System    
                      00015 ;       Clock:          RC = 100kHz
                      00016 ;       Inputs:         Port D: Push Buttons 
                      00017 ;                               RD0, RD1 (active low)
                      00018 ;       Outputs:        Port B: LEDs (active high)
                      00019 ;       
                      00020 ;       WDTimer:        Disabled
                      00021 ;       PUTimer:        Enabled
                      00022 ;       Interrupts:     Disabled
                      00023 ;       Code Protect:   Disabled
                      00024 ;
                      00025 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
                      00026 
                      00027         PROCESSOR 16F877        ; Define MCU type
2007   3733           00028         __CONFIG 0x3733         ; Set config fuses
                      00029 
                      00030 ; Register Label Equates....................................
                      00031         
  00000006            00032 PORTB   EQU     06      ; Port B Data Register  
  00000086            00033 TRISB   EQU     86      ; Port B Direction Register
  00000008            00034 PORTD   EQU     08      ; Port D Data Register
  00000020            00035 Timer   EQU     20      ; GPR used as delay counter
                      00036 
                      00037 ; Input Bit Label Equates ..................................
                      00038 
  00000000            00039 Inres   EQU     0       ; 'Reset' input button = RD0
  00000001            00040 Inrun   EQU     1       ; 'Run' input button = RD1
                      00041 
                      00042 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
                      00043 
                      00044 ; Initialise Port B (Port A defaults to inputs).............
                      00045         
0000   1683 1303      00046         BANKSEL TRISB           ; Select bank 1
0002   3000           00047         MOVLW   b'00000000'     ; Port B Direction Code
Message[302]: Register in operand not in bank 0.  Ensure that bank bits are correct.
0003   0086           00048         MOVWF   TRISB           ; Load the DDR code into F86
0004   1283 1303      00049         BANKSEL PORTB           ; Select bank 0
0006   280B           00050         GOTO    reset           ; Jump to main loop
                      00051 
                      00052 
MPASM 03.70.01 Released                              BIN4.ASM   2-28-2006  17:22:20         PAGE  2


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00053 ; 'delay' subroutine ........................................
                      00054         
0007   00A0           00055 delay   MOVWF   Timer           ; Copy W to timer register
Message[305]: Using default destination of 1 (file).
0008   0BA0           00056 down    DECFSZ  Timer           ; Decrement timer register 
0009   2808           00057         GOTO    down            ; and repeat until zero
000A   0008           00058         RETURN                  ; Jump back to main program
                      00059 
                      00060 
                      00061 ; Start main loop ...........................................
                      00062 
000B   0186           00063 reset   CLRF    PORTB           ; Clear Port B Data 
                      00064 
000C   1C08           00065 start   BTFSS   PORTD,Inres     ; Test reset button
000D   280B           00066         GOTO    reset           ; and reset Port B if pressed
000E   1888           00067         BTFSC   PORTD,Inrun     ; Test run button
000F   280C           00068         GOTO    start           ; and repeat if n pressed
                      00069 
Message[305]: Using default destination of 1 (file).
0010   0A86           00070         INCF    PORTB           ; Increment output at Port B 
0011   30FF           00071         MOVLW   0FF             ; Delay count literal
0012   2007           00072         CALL    delay           ; Jump to subroutine 'delay'
0013   280C           00073         GOTO    start           ; Repeat main loop always
                      00074 
                      00075         END                     ; Terminate source code
MPASM 03.70.01 Released                              BIN4.ASM   2-28-2006  17:22:20         PAGE  3


SYMBOL TABLE
  LABEL                             VALUE 

Inres                             00000000
Inrun                             00000001
PORTB                             00000006
PORTD                             00000008
TRISB                             00000086
Timer                             00000020
__16F877                          00000001
delay                             00000007
down                              00000008
reset                             0000000B
start                             0000000C


MEMORY USAGE MAP ('X' = Used,  '-' = Unused)

0000 : XXXXXXXXXXXXXXXX XXXX------------ ---------------- ----------------
2000 : -------X-------- ---------------- ---------------- ----------------

All other memory blocks unused.

Program Memory Words Used:    20
Program Memory Words Free:  8172


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