delay.lst

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MPASM 03.80 Released                                DELAY.ASM   11-20-2005  18:21:08         PAGE  1


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00001                 ;**********************************
                      00002                 ;*    The Delay routines          *
                      00003                 ;*                                *
                      00004                 ;* used by Wait <time>            *
                      00005                 ;**********************************
                      00006 
                      00007     include tempdemo.inc
                      00001 ;****************************************************************************
                      00002 ;*                                                                          *
                      00003 ;*                   Dallas 1 Wire Bus Temperature demo                     *
                      00004 ;*                                                                          *
                      00005 ;****************************************************************************
                      00006 
  003D0900            00007 Clock_Freq      equ     d'4000000'      ;4MHz - for wait macro calculations
                      00008 
                      00009     udata_ovr   0x20                    ;0x0C 16F84
0020                  00010 DScommbuff      res     1
0021                  00011 DSCRC           res     1
                      00012 
0022                  00013 tempone         res     1
0023                  00014 temptwo         res     1
0024                  00015 count           res     1
0025                  00016 count2          res     1               ; 2nd loop counter for nested loops
0026                  00017 bits_byte       res     1
                      00018 
0027                  00019 CHARBUF         res     1
0028                  00020 temp_hi         res     1
0029                  00021 temp_lo         res     1
002A                  00022 acc_lo          res     1
002B                  00023 acc_hi          res     1
                      00024 
002C                  00025 vvshift         res     1
                      00026 
                      00027 #define PRESENCE_bit    bits_byte, 0
                      00028 #define round00_bit     bits_byte, 1
                      00029 #define DSNext_bit      bits_byte, 2
                      00030 #define neg_temp_bit    bits_byte, 3
                      00031 #define DALLAS_BUS      PORTA, 4
                      00032 
002D                  00033 ROM_no          res     8
0035                  00034 id_bit_number   res     1
0036                  00035 last_zero       res     1
0037                  00036 LastDiscrepancy res     1
0038                  00037 LastFamilyDiscr res     1
0039                  00038 id_bits_byte    res     1
003A                  00039 rom_mask        res     1
                      00040 
                      00041 #define id_bit          id_bits_byte, 0 ; first bit read in a search ID sequence
                      00042 #define cmp_id_bit      id_bits_byte, 1 ; complement of id_bit
                      00043 #define test_bit        id_bits_byte, 2 ; test id_bit & cmp_id_bit
                      00044 
                      00045 #define last_device     id_bits_byte, 6
                      00046 #define Direction       id_bits_byte, 7
MPASM 03.80 Released                                DELAY.ASM   11-20-2005  18:21:08         PAGE  2


LOC  OBJECT CODE     LINE SOURCE TEXT
  VALUE

                      00008 
  0000                00009     global longdelay, shortdelay
                      00010 
                      00011 PROG CODE
                      00012 
0000   00??           00013 longdelay   movwf   tempone
0001   01??           00014 ldloop1     clrf    temptwo
0002   0B??           00015 ldloop2     decfsz  temptwo, F  ;becomes 11111111
0003   2???           00016             goto    ldloop2
0004   0B??           00017             decfsz  tempone, F
0005   2???           00018             goto    ldloop1
0006   0008           00019             return
                      00020 
0007   00??           00021 shortdelay  movwf   tempone
0008   0B??           00022 sdloop      decfsz  tempone, F
0009   2???           00023             goto    sdloop
000A   0008           00024             return
                      00025 
                      00026         end
MPASM 03.80 Released                                DELAY.ASM   11-20-2005  18:21:08         PAGE  3


SYMBOL TABLE
  LABEL                             VALUE 

CHARBUF                           00000027
Clock_Freq                        003D0900
DALLAS_BUS                        PORTA, 4
DSCRC                             00000021
DSNext_bit                        bits_byte, 2
DScommbuff                        00000020
Direction                         id_bits_byte, 7
LastDiscrepancy                   00000037
LastFamilyDiscr                   00000038
PRESENCE_bit                      bits_byte, 0
ROM_no                            0000002D
__16F628A                         00000001
acc_hi                            0000002B
acc_lo                            0000002A
bits_byte                         00000026
cmp_id_bit                        id_bits_byte, 1
count                             00000024
count2                            00000025
id_bit                            id_bits_byte, 0
id_bit_number                     00000035
id_bits_byte                      00000039
last_device                       id_bits_byte, 6
last_zero                         00000036
ldloop1                           00000001
ldloop2                           00000002
longdelay                         00000000
neg_temp_bit                      bits_byte, 3
rom_mask                          0000003A
round00_bit                       bits_byte, 1
sdloop                            00000008
shortdelay                        00000007
temp_hi                           00000028
temp_lo                           00000029
tempone                           00000022
temptwo                           00000023
test_bit                          id_bits_byte, 2
vvshift                           0000002C

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