按大写字母“B”，唱乐曲“太湖船”
按大写字母“C”，唱乐曲“祝福歌”
按"X"键，退出
DATA SEGMENT PARA 'DATA'
INFO1 DB 0DH,0AH,'WELCOME YOU TO COME HERE!$'
INFO2 DB 0DH,0AH,'this is a music program!$'
INFO3 DB 0DH,0AH,'please select!$'
INFO4 DB 0DH,0AH,'INPUT ERROR!$'
INFO5 DB 0DH,0AH,'PLEASE INPUT AGAIN!$'
MUSLIST DB 0DH,0AH,'A MUSIC1'
DB 0DH,0AH,'B MUSIC2'
DB 0DH,0AH,'C MUSIC3'
DB 0DH,0AH,'Q EXIT'
db 0dh,0ah,'$'
MUS_FREG1 DW 330,294,262,294,3 DUP (330)
DW 3 DUP (294),330,392,392
DW 330,294,262,294,4 DUP (330)
DW 294,294,330,294,262,-1
MUS_TIME1 DW 6 DUP (25*8),50*8
DW 2 DUP (25*8,25*8,50*8)
DW 12 DUP (25*8),100*8
MUS_FREG2 DW 330,392,330,294,330,392,330,294,330
DW 330,392,330,294,262,294,330,392,294
DW 262,262,220,196,196,220,262,294,332,262,-1
MUS_TIME2 DW 3 DUP(50),25,25,50,25,25,100
DW 2 DUP(50,50,25,25),100
DW 3 DUP(50,25,25),100
MUS_FREG3 DW 262,262,294,262,349
DW 330,262,262,294,262
DW 392,349,262,262,523
DW 440,349,262,262,466
DW 466,440,262,392,349,-1
MUS_TIME3 DW 50,50,100,100,100
DW 100,100,50,50,100,100
DW 100,100,100,50,50,100
DW 100,100,100,100,100,50
DW 50,100,100,100,100,100
DATA ENDS
STACK SEGMENT PARA STACK 'STACK'
DB 200 DUP ('STACK')
STACK ENDS
CODE SEGMENT
ASSUME DS:DATA,SS:STACK,CS:CODE
MAIN PROC FAR
MOV AX,DATA
MOV DS,AX
MOV aH, 0
MOV AL,4
INT 10H
MOV AH,0BH
MOV BH,0
MOV BL,4
INT 10H
MOV AH,0BH
MOV BH,01H
MOV BL,00
INT 10H
*****定义一个宏*****
SHOW MACRO b
LEA DX,b
MOV AH,9
INT 21H
ENDM
**********************
show INFO1
show INFO2
show INFO3
show MUSLIST
INPUT:MOV AH,01H
INT 21H
CMP AL,'Q'
JZ retu
CMP AL,'A'
JNZ B0
CALL MUSIC1
JMP EXIT1
B0: CMP AL,'B'
JNZ C0
CALL MUSIC2
JMP EXIT1
C0: CMP AL,'C'
JNZ exit
CALL MUSIC3
EXIT1:show INFO5
JMP INPUT
EXIT:
call clear
show INFO4
show INFO5
show INFO1
show INFO2
show INFO3
show MUSLIST
jmp input
RETU: MOV AH,4CH
INT 21H
MAIN ENDP
MUSIC1PROC NEAR
PUSH DS
SUB AX,AX
PUSH AX
LEA SI,MUS_FREG1
LEA BP,DS:MUS_TIME1
FREG1: MOV DI,[SI]
CMP DI,-1
JE END_MUS1
MOV DX,DS:[BP]
MOV BX,1400
CALL GENSOUND
ADD SI,2
ADD BP,2
JMP FREG1
END_MUS1:
RET
MUSIC1ENDP
GENSOUND PROC NEAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
MOV AL,0B6H
OUT 43H,AL
MOV DX,12H
MOV AX,533H*896
DIV DI
OUT 42H,AL
MOV AL,AH
OUT 42H,AL
IN AL,61H
MOV AH,AL
OR AL,3
OUT 61H,AL
WAIT1:MOV CX,8FF0H
DELAY1: LOOP DELAY1
DEC BX
JNZ WAIT1
MOV AL,AH
OUT 61H,AL
POP DI
POP DX
POP CX
POP BX
POP AX
RET
GENSOUND ENDP
MUSIC2PROC NEAR
PUSH DS
SUB AX,AX
PUSH AX
LEA SI,MUS_FREG2
LEA BP,DS:MUS_TIME2
FREG2:MOV DI,[SI]
CMP DI,-1
JE END_MUS2
MOV DX,DS:[BP]
MOV BX,1400
CALL GENSOUND
ADD SI,2
ADD BP,2
JMP FREG1
END_MUS2:
RET
MUSIC2ENDP
MUSIC3PROC NEAR
PUSH DS
SUB AX,AX
PUSH AX
LEA SI,MUS_FREG3
LEA BP,DS:MUS_TIME3
FREG3:MOV DI,[SI]
CMP DI,-1
JE END_MUS3
MOV DX,DS:[BP]
MOV BX,1400
CALL GENSOUND
ADD SI,2
ADD BP,2
JMP FREG1
END_MUS3:
RET
MUSIC3ENDP
clear proc near
push ax
push bx
push cx
push dx
mov ah,6
mov al,0
mov ch,0
mov cl,0
mov dh,24
mov dl,79
mov bh,7
int 10h
pop dx
pop cx
pop bx
pop ax
ret
clear endp
CODE ENDS
END MAIN
div di －－－－DI 千万不能为0。
-------------------------------
SOUND PROC
PUSH AX
PUSH BX
PUSH CX
PUSH DX
MOV AL, 0B6H
OUT 43H, AL
MOV DX, 12H
MOV AX, 348CH
DIV DI 12348CH/DI
OUT 42H, AL
MOV AL, AH
OUT 42H, AL
IN AL, 61H
OR AL, 3
OUT 61H, AL 发音
-=================
CALL WAITF 延时
==================
IN AL, 61H
AND AL, 00111111B
OUT 61H, AL 停
POP DX
POP CX
POP BX
POP AX
RET
SOUND ENDP
-------------------------------
WAITF PROC
LP:
MOV CX, BX ms
LOOP $
DEC BX
JNE LP
RET
WAITF ENDP
-------------------------------
那个数组,3个一组,前两个字节应该是频率,最后一字节是节拍时间.你可以用一个定时器1产生一路PWM去驱动一个蜂鸣器发声,然后再用一个定时器2,用来定时节拍的持续时间.
取第一个音阶的频率,做为PWM的频率设定到定时器1,然后再把音阶节拍时间设置到定时器2.当节拍时间到达后,再取下一个音阶,重复以上过程就能放出音乐了.
欢迎分享，转载请注明来源：内存溢出
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