?? io口連續(xù)執(zhí)行測試.lst
字號(hào):
A51 MACRO ASSEMBLER IO口羅__謃___饈_ 03/09/2001 22:14:13 PAGE 1
MACRO ASSEMBLER A51 V6.02
OBJECT MODULE PLACED IN .\IO口連續(xù)執(zhí)行測試.OBJ
ASSEMBLER INVOKED BY: D:\C51\BIN\A51.EXE .\IO口連續(xù)執(zhí)行測試.ASM SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
1 ;8X51 I/O口實(shí)驗(yàn),連續(xù)執(zhí)行
0000 2 ORG 0000H ;
0000 758000 3 L0000: MOV P0,#00H ;P0口開LED燈(設(shè)低電平LED燈亮,I/O用灌電流,減輕CPU
4 ;功耗)
0003 11E0 5 ACALL S00E0 ;調(diào)用延時(shí)子程序
0005 7580FF 6 MOV P0,#0FFH ;關(guān)LED燈,
0008 759000 7 MOV P1,#00H ; P1口開LED燈
000B 11E0 8 ACALL S00E0 ; 調(diào)用延時(shí)子程序
000D 7590FF 9 MOV P1,#0FFH ; 關(guān)LED燈
0010 75A000 10 MOV P2,#00H
0013 11E0 11 ACALL S00E0
0015 75A0FF 12 MOV P2,#0FFH
0018 75B000 13 MOV P3,#00H
001B 11E0 14 ACALL S00E0
001D 75B0FF 15 MOV P3,#0FFH
0020 80DE 16 SJMP L0000 ;循環(huán)
00E0 17 ORG 00E0H ;延時(shí)子程序
00E0 7A28 18 S00E0: MOV R2,#28H ;延時(shí)常?? 快捷鍵說明
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