ASM调用子过程，传参方式

1。寄存器传值

 1     page 60,132
 2 TITLE 堆栈传值
 3 ;------------------------------------
 4         .MODEL     SMALL
 5         .STACK    64
 6 ;------------------------------------
 7 .DATA
 8 BCX        DW    65535    ;被乘数
 9 MULS    DW    2        ;乘数
10 ;------------------------------------
11         .CODE        
12 MAIN    PROC    FAR
13         MOV AX,@data
14         MOV DS,AX
15         
16         PUSH BCX
17         PUSH MULS
18         
19         CALL MYMUL
20                 
21         MOV        AX,4C00H
22         INT     21H
23 MAIN    ENDP        ;过程结束
24 
25 MYMUL     PROC NEAR
26         PUSH BP
27         MOV BP,SP
28         MOV AX,SS:[BP+6]
29         MUL WORD PTR SS:[BP+4]
30         
31         POP BP
32         RET 4
33 MYMUL     ENDP
34 
35         END MAIN    ;程序结束
36

 

2。堆栈传值。

 1     page 60,132
 2 TITLE 堆栈传值
 3 ;------------------------------------
 4         .MODEL     SMALL
 5         .STACK    64
 6 ;------------------------------------
 7 .DATA
 8 BCX        DW    65535    ;被乘数
 9 MULS    DW    2        ;乘数
10 ;------------------------------------
11         .CODE        
12 MAIN    PROC    FAR
13         MOV AX,@data
14         MOV DS,AX
15         
16         PUSH BCX
17         PUSH MULS
18         
19         CALL MYMUL
20                 
21         MOV        AX,4C00H
22         INT     21H
23 MAIN    ENDP        ;过程结束
24 
25 MYMUL     PROC NEAR
26         PUSH BP
27         MOV BP,SP
28         MOV AX,SS:[BP+6]
29         MUL WORD PTR SS:[BP+4]
30         
31         POP BP
32         RET 4
33 MYMUL     ENDP
34 
35         END MAIN    ;程序结束
36

3。寄存器传引用

 1     page 60,132
 2 TITLE 寄存器传引用
 3 ;------------------------------------
 4         .MODEL     SMALL
 5         .STACK    64
 6 ;------------------------------------
 7 .DATA
 8 BCX        DW    65535    ;被乘数
 9 MULS    DW    2        ;乘数
10 ;------------------------------------
11         .CODE        
12 MAIN    PROC    FAR
13         MOV AX,@data
14         MOV DS,AX
15         LEA BX,BCX
16         LEA SI,MULS
17         
18         CALL MYMUL
19                 
20         MOV        AX,4C00H
21         INT     21H
22 MAIN    ENDP        ;过程结束
23 
24 MYMUL     PROC NEAR
25         MOV AX,[BX]
26         MUL WORD PTR [SI]
27         RET
28 MYMUL     ENDP
29 
30         END MAIN    ;程序结束
31


4。堆栈传引用

 1     page 60,132
 2 TITLE  堆栈传引用
 3 ;------------------------------------
 4         .MODEL     SMALL
 5         .STACK    64
 6 ;------------------------------------
 7 .DATA
 8 BCX        DW    65535    ;被乘数
 9 MULS    DW    2        ;乘数
10 ;------------------------------------
11         .CODE        
12 MAIN    PROC    FAR
13         MOV AX,@data
14         MOV DS,AX
15         
16         LEA AX, OFFSET BCX
17         PUSH AX
18         LEA AX, OFFSET MULS
19         PUSH AX
20         CALL MYMUL
21                 
22         MOV        AX,4C00H
23         INT     21H
24 MAIN    ENDP        ;过程结束
25 
26 MYMUL     PROC NEAR
27         
28         PUSH BP
29         MOV BP,SP
30         MOV BX,[BP+6]
31         MOV SI,[BP+4]
32         MOV AX,[BX]
33         MUL WORD PTR [SI]
34         
35         POP BP        
36         RET 4
37         
38 MYMUL     ENDP
39 
40         END MAIN    ;程序结束
41

 

posted @ 2012-04-14 15:25  庚武  Views(604)  Comments(0)    收藏  举报