read.lst

液晶屏的单片机demo程序

A51 MACRO ASSEMBLER  READ                                                                 10/04/2005 14:12:24 PAGE     1


MACRO ASSEMBLER A51 V7.00a
OBJECT MODULE PLACED IN E:\液晶程序\READ.OBJ
ASSEMBLER INVOKED BY: C:\COMP51\A51.EXE E:\液晶程序\READ.ASM DB SB

LOC  OBJ            LINE     SOURCE

                       1     ;$include (REG52.INC)
                       2     public readstatus
                       3     public delayy
                       4     public Nopp
                       5     proc   segment code
  00B0                 6     rst equ p3.0
  00B1                 7     cs2 equ p3.1
  00B2                 8     cs1 equ p3.2
  00B3                 9     e   equ p3.3
  00B4                10     rw  equ p3.4
  00B5                11     di  equ p3.5
  0087                12     green equ p0.7
----                  13     rseg  proc
0000                  14     readstatus:
0000 C2B5             15             clr di
0002 120000   F       16             call delayy
0005 C2B4             17             clr rw
0007 120000   F       18             call delayy
000A C2B3             19             clr e
000C 120000   F       20             call delayy
000F D2B4             21             setb rw
0011 120000   F       22             call delayy
0014 D2B3             23             setb e
0016 120000   F       24             call delayy
0019 C2B3             25             clr e
001B 120000   F       26             call delayy
001E D2B3             27             setb e
0020 120000   F       28             call delayy
0023 D287             29             setb green
0025 120000   F       30             call delayy
0028 120000   F       31             call delayy
002B 120000   F       32             call delayy
002E 120000   F       33             call delayy
0031 120000   F       34             call delayy
0034 120000   F       35             call delayy
0037 120000   F       36             call delayy
003A 120000   F       37             call delayy
003D 120000   F       38             call delayy
0040 120000   F       39             call delayy
0043 120000   F       40             call delayy
0046 120000   F       41             call delayy
0049 120000   F       42             call delayy
004C 120000   F       43             call delayy
004F 120000   F       44             call delayy
0052 120000   F       45             call delayy
0055 120000   F       46             call delayy
0058 120000   F       47             call delayy
005B 120000   F       48             call delayy
005E 120000   F       49             call delayy
0061 120000   F       50             call delayy
0064 120000   F       51             call delayy
0067 120000   F       52             call delayy
006A 120000   F       53             call delayy
006D AF90             54             mov r7,P1
006F C287             55             clr green
0071 22               56             ret
0072                  57     delayy:
0072 7920             58             mov r1,#20h
A51 MACRO ASSEMBLER  READ                                                                 10/04/2005 14:12:24 PAGE     2

0074                  59     loop:
0074 00               60             nop
0075 00               61             nop
0076 D9FC             62             djnz r1,loop
0078 22               63             ret
0079                  64     Nopp:
0079 00               65             nop
007A 00               66             nop
007B 22               67             ret
                      68             end
A51 MACRO ASSEMBLER  READ                                                                 10/04/2005 14:12:24 PAGE     3

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


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

CS1. . . . . . . .  B ADDR   00B0H.2 A   
CS2. . . . . . . .  B ADDR   00B0H.1 A   
DELAYY . . . . . .  C ADDR   0072H   R   SEG=PROC
DI . . . . . . . .  B ADDR   00B0H.5 A   
E. . . . . . . . .  B ADDR   00B0H.3 A   
GREEN. . . . . . .  B ADDR   0080H.7 A   
LOOP . . . . . . .  C ADDR   0074H   R   SEG=PROC
NOPP . . . . . . .  C ADDR   0079H   R   SEG=PROC
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
PROC . . . . . . .  C SEG    007CH       REL=UNIT
READSTATUS . . . .  C ADDR   0000H   R   SEG=PROC
RST. . . . . . . .  B ADDR   00B0H.0 A   
RW . . . . . . . .  B ADDR   00B0H.4 A   


REGISTER BANK(S) USED: 0 


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