电子琴设计(微机原理课程设计)(7)

DATA1 DB 80H,96H,0AEH,0C5H,0D8H,0E9H,0F5H,0FDH DB 0FFH,0FDH,0F5H,0E9H,0D8H,0C5H,0AEH,96H DB 80H,66H,4EH,38H,25H,15H,09H,04H

DB 00H,04H,09H,15H,25H,38H,4EH,66H ;正弦波数据 LED DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH

MESG1 DB 0DH,0AH,'INPUT A NUM (1--8=PLAY PIANO,9=PLAY MUSIC,ESC=EXIT):',0DH,0AH,'$'

MESG2 DB 0DH,0AH,'PLEASE CHOOSE THE MUSIC YOU LIKE(1-AAA,2-BBB) :',0DH,0AH,'$'

TIME DB 120,110,100,90,81,72,55,42 ;发不同音时8253的计数器初值 NUM DB ? ;NUM为8253计数器初值的序号--

MESS DB 'STRIKE ANY KEY,RETURN TO DOS!',0AH,0DH,'$' MIN1 DB 00H,01H,02H,03H,04H,05H,06H,07H COUNT DB 0

JNUM DB ? ;JNUM用来存储输入数字 MUSIC DB

30H,31H,31H,35H,35H,36H,36H,35H,30H,30H,34H,34H,33H,33H,32H,32H,31H,100

DUP(30H);,35H,35H,34H,34H,33H,33H,32H,35H,35H,34H,34H,33H,33H,32H,31H,31H,35H,35H,36H,36H,35H,34H,34H,33H,33H,3;2H,32H,31H, QMUSIC DB ?

DOWN DB 31H,32H,33H,34H,35H,36H,37H,38H,38H,37H,36H,35H,34H,33H,32H,31H,100 DUP(30H) PP DB ? TT DB ?

LMUSIC EQU 45

BUFF1 DB 00H,00H,18H,3CH,3CH,18H,00H,00H BUFF2 DB 00H,1EH,0AH,46H,62H,50H,78H,00H

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