clrscr_u.lst

C51源码.其内文件包含spi

A51 MACRO ASSEMBLER  CLRSCR_U                                                             04/03/2009 01:00:39 PAGE     1


MACRO ASSEMBLER A51 V8.01
OBJECT MODULE PLACED IN Clrscr_U.obj
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE src\Clrscr_U.src SET(SMALL) DEBUG PRINT(.\Clrscr_U.lst) XREF OBJECT(Clrscr
                      _U.obj) EP

LOC  OBJ            LINE     SOURCE

                       1     ; CLRSCR_U.SRC generated from: CLRSCR_U.C
                       2     
                       3     $nomod51 
                       4     
                       5     NAME    CLRSCR_U
                       6     
                       7     ;DPP     DATA    084H
  0090                 8     P1      DATA    090H
  0082                 9     DPL     DATA    082H
  0083                10     DPH     DATA    083H
  00F0                11     B       DATA    0F0H
                      12     ?PR?clrlcdram_U?CLRSCR SEGMENT CODE
                      13     ?DT?clrlcdram_U?CLRSCR SEGMENT DATA
                      14     EXTRN   IDATA (a_bcolor)
                      15     PUBLIC  Clrlcdram_U
                      16     
----                  17             RSEG  ?DT?clrlcdram_U?CLRSCR
0000                  18     ?clrlcdram_U?BYTE:
0000                  19     p?02:                   DS  2
                      20     
----                  21             RSEG  ?PR?clrlcdram_U?CLRSCR
                      22             USING   0
0000                  23     Clrlcdram_U:
0000                  24     clrscr:
0000 C006             25             push   6
0002 C007             26             push   7
0004 C082             27             push   dpl
0006 C083             28             push   dph
0008 C000             29             push   0
000A 7E14             30             mov    r6,  #20
000C 7FA3             31             mov    r7,  #163
                      32             
                      33             ;
000E D290             34             SETB   P1.0
                      35     
0010 C294             36             CLR    P1.4
                      37             ;mov    dpp, #0f7h
                      38                     
0012 900FFF           39             mov    dptr,#0fffh
0015 7800     F       40             mov    r0,#a_bcolor
0017 E6               41             mov    a,@r0
0018 F5F0             42             mov    b,a
001A C4               43             swap   a
001B 45F0             44             orl    a,b
001D                  45     clrloop:
001D F0               46             movx   @dptr,a
001E 0583             47             inc    dph
0020 DEFB             48             djnz   r6,clrloop
0022 75830F           49             mov    dph,#0fh
0025 0582             50             inc    dpl
0027 7E14             51             mov    r6,#20
0029 DFF2             52             djnz   r7, clrloop
                      53     
                      54           ;  mov    dpp,#0efh
002B D294             55           SETB   P1.4
                      56     
002D C290             57           CLR    P1.0
A51 MACRO ASSEMBLER  CLRSCR_U                                                             04/03/2009 01:00:39 PAGE     2

002F D000             58             pop    0
0031 D083             59             pop    dph
0033 D082             60             pop    dpl
0035 D007             61             pop    7
0037 D006             62             pop    6
0039 22               63             RET
                      64     
                      65             END
A51 MACRO ASSEMBLER  CLRSCR_U                                                             04/03/2009 01:00:39 PAGE     3

XREF SYMBOL TABLE LISTING
---- ------ ----- -------


N A M E                 T Y P E  V A L U E   ATTRIBUTES / REFERENCES

?CLRLCDRAM_U?BYTE. . .  D ADDR   0000H   R   SEG=?DT?CLRLCDRAM_U?CLRSCR   18#
?DT?CLRLCDRAM_U?CLRSCR  D SEG    0002H       REL=UNIT   13# 17
?PR?CLRLCDRAM_U?CLRSCR  C SEG    003AH       REL=UNIT   12# 21
A_BCOLOR . . . . . . .  I ADDR   -----       EXT   14# 40
B. . . . . . . . . . .  D ADDR   00F0H   A      11# 42 44
CLRLCDRAM_U. . . . . .  C ADDR   0000H   R   SEG=?PR?CLRLCDRAM_U?CLRSCR   15 23#
CLRLOOP. . . . . . . .  C ADDR   001DH   R   SEG=?PR?CLRLCDRAM_U?CLRSCR   45# 48 52
CLRSCR . . . . . . . .  C ADDR   0000H   R   SEG=?PR?CLRLCDRAM_U?CLRSCR   24#
CLRSCR_U . . . . . . .  N NUMB   -----          5
DPH. . . . . . . . . .  D ADDR   0083H   A      10# 28 47 49 59
DPL. . . . . . . . . .  D ADDR   0082H   A      9# 27 50 60
P1 . . . . . . . . . .  D ADDR   0090H   A      8# 34 36 55 57
P?02 . . . . . . . . .  D ADDR   0000H   R   SEG=?DT?CLRLCDRAM_U?CLRSCR   19#


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)