20CN网络安全小组论坛 - 编程破解 - 这是一个汇编音乐程序希望哪位大哥能帮我写个它的思路

论坛: 编程破解标题: 这是一个汇编音乐程序希望哪位大哥能帮我写个它的思路

作者: lizhanshuo [lizhanshuo]

论坛用户

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

MUSIC1 PROC 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
MUSIC1 ENDP

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

MUSIC2 PROC 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
MUSIC2 ENDP
MUSIC3 PROC 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
MUSIC3 ENDP
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

地主发表时间: 04-06-23 18:11

论坛: 编程破解