單片機(jī)匯編程序電子鬧鐘-在線(xiàn)瀏覽
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【正文】 五．軟件設(shè)計(jì)判斷鬧鐘時(shí)間到否程序初始化調(diào)用顯示程序開(kāi)始按下？調(diào)用時(shí)間設(shè)定程序？Y調(diào)用鬧鐘時(shí)間設(shè)定程序NNY ORG 0000H LJMP MAIN ORG 000BH LJMP TIME //主程序部分 ORG 0100H MAIN:MOV SP,50H MOV 20H,00H 。分鐘 BIN MOV 22H,00H 。16位計(jì)數(shù)器 MOV TH0,03CH 。T0啟動(dòng)計(jì)數(shù) MOV R2,14H MOV P2,0FFH LOOP: LCALL TIMEPRO LCALL DISPLAY1 JB ,M1 LCALL SETTIME 。調(diào)用設(shè)定時(shí)間程序 LJMP LOOP M2:JB ,M4 LCALL LOOKATIME 。延時(shí)時(shí)間 DL00:MOV R5,0FFH DL11:MOV R6,9H DL12:DJNZ R6,DL12 DJNZ R5,DL11 DJNZ R4,DL00 RET//設(shè)定時(shí)間程序 SETTIME: L0:LCALL DISPLAY1 。調(diào)用延時(shí) JC MM1 MSTOP1: MOV C, JNC MSTOP1 。調(diào)用延時(shí) MOV C, JNC MSTOP1 INC 22H 。判斷小時(shí)是否到24時(shí)？未到繼續(xù)循環(huán) MOV 22H,00H 。延時(shí) JC L1 MSTOP2: MOV C, JNC MSTOP2 。調(diào)用延時(shí) MOV C, JNC MSTOP2 INC 21H 。分鐘復(fù)位 MOV 32H,00H MOV 33H,00H LJMP L0 GO11:MOV B,0AH 。調(diào)用延時(shí) MOV C, JC L2 STOP1: MOV C, 。調(diào)用延時(shí)//設(shè)置鬧鐘時(shí)間 SETATIME:LCALL DISPLAY2 。？ MOV C, JC MM2 LCALL DELAY1 JC MM2 MSTOP3: MOV C, 。設(shè)定小時(shí)增加1 MOV A,24H CJNE A,24,GO22 MOV 24H,00H 。？
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