(大杂烩)proteus仿真MCS51一百例
源代码在线查看： port1 (2).lst
A51 MACRO ASSEMBLER PORT1__2_ 07/23/2006 14:40:22 PAGE 1
MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN Port1 (2).OBJ
ASSEMBLER INVOKED BY: E:\Keil\C51\BIN\A51.EXE Port1 (2).asm SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
0090 1 KEYLEFT BIT P1.0
0091 2 KEYRIGHT BIT P1.1
0092 3 LEDLEFT BIT P1.2
0093 4 LEDRIGHT BIT P1.3 ;位定义
0000 5 ORG 00H
0000 D290 6 SETB KEYLEFT
0002 D291 7 SETB KEYRIGHT ;欲读数,先写1
0004 A290 8 LOOP: MOV C,KEYLEFT
0006 9292 9 MOV LEDLEFT,C
0008 A291 10 MOV C,KEYRIGHT
000A 9293 11 MOV LEDRIGHT,C
000C 020004 12 LJMP LOOP
13 END
A51 MACRO ASSEMBLER PORT1__2_ 07/23/2006 14:40:22 PAGE 2
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
KEYLEFT. . . . . . B ADDR 0090H.0 A
KEYRIGHT . . . . . B ADDR 0090H.1 A
LEDLEFT. . . . . . B ADDR 0090H.2 A
LEDRIGHT . . . . . B ADDR 0090H.3 A
LOOP . . . . . . . C ADDR 0004H A
P1 . . . . . . . . D ADDR 0090H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
