标签:int style 屏幕 sum nbsp jpg not store height
汇编调试程序DEBUG的常用命令和功能,DEBUG环境下调试程序的方法.
地址 数据
被加数 2000:0000 9FH
2000:0001 6BH
加数 2000:0002 5CH
2000:0003 42H
和 2000:0004
~ 2000:0006
-e 2000:0000 9f 6b 5c 42
-a 1000:0
mov ax,[0000H]
mov bx,[0002H]
add ax,bx
mov 2000:[0004],ax
-r cs
1000
-r ip
0
-t -t -t -t
2.两个无符号数相减,将差存入指定地址单元。被减数,减数及差的存放地址及数据如下:
地址 数据
被减数 2000:0100 8C
2000:0101 42
减数 2000:0102 92
2000:0103 5A
差 2000:0104
2000:0105
-e 2000:0100 8c 42 92 5a
-a 1000:0
mov ax,2000:[0100H]
mov bx,2000:[0102]
sub ax,bx
mov 2000:[0104],ax
-r cs
1000
-r ip
0
-t -t -t -t
3.两个无符号数相乘,将积存入指定地址单元。被乘数,乘数及积存放的地址及数据如下:
地址 数据
被乘数 2000:1000 56
2000:1001 2C
乘数 2000:1002 3A
2000:1003 1C
积 2000:1004
~ 2000:1007
-e 2000:0200 56 2C 3A 1C
-a 1000:0000
mov ax,2000:[1000]
mov bx,2000:[1002]
mul bx
mov 2000:[1004],ax
mov 20000:[1006],dx
-r cs
1000
-r ip
0
-t -t -t -t -t
4.两个无符号数相除,将商及余数存入指定的地址单元。被除数,除数,商及余数存放的地址及数据如下:
地址 数据
被除数 2000:0200 2A
2000:0201 3B
2000:0202 4C
2000:0203 5D
除数 2000:0204 7C
2000:0205 5D
商 2000:0206
2000:0207
余数 2000:0208
2000:0209
-e 2000:0200 2a 3b 4c 5d 7c 5d
-a 1000:0
mov ax,2000:[0200]
mov bx,2000:[0202]
div bx
mov 2000:[0206],ax
mov 2000:[0208],dx
-r cs
1000
-r ip
0
-t -t -t -t -t
屏幕显示计算机提问:
Do you like this book ?
若用户回答N, 计算机回答:
You may go to the next store.
若用户回答Y, 计算机回答:
I think you will buy it.
DATA SEGMENT SEN1 DB 0DH,0AH,"Do you like this book ",0x3fh,0DH,0AH,"$" SEN2 db 0DH,0AH,"You may go to the next store.",0DH,0AH,"$" SEN3 DB 0DH,0AH,"I think you will buy it",0DH,0AH,"$" SEN4 DB 0DH,0AH,"Please input a word(Y or N)",0DH,0AH,"$" DATA ENDS CODE SEGMENT ASSUME DS:DATA,CS:CODE START:MOV AX,DATA MOV DS,AX MOV Ah,2h MOV BH,0 MOV DH,5 MOV DL,12 INT 10H BEAGIN: MOV DX,OFFSET SEN1 MOV AH,09H INT 21H MOV AH,01H INT 21H MOV AH,09H CMP AL,‘N‘ JE NOT CMP AL,‘Y‘ JE OK CMP AL,‘Q‘ JE END JMP KEY OK: MOV DX,OFFSET SEN2 INT 21H JMP BEAGIN NOT: MOV DX,OFFSET SEN3 INT 21H JMP BEAGIN KEY:MOV DX,OFFSET SEN4 INT 21H JMP BEAGIN END: NOP MOV AH,4CH INT 21H CODE ENDS END START
屏幕显示计算机提问:
Would you like tea or coffee?
用户用键盘输入回答,并显示出来.
DATA SEGMENT SEN DB 0dh,0ah,"Would you like tea or coffee",0x3fh,0dh,0ah,"$" SEN2 DB 0dh,0ah,"Your input is:","$" SEN3 DB 0DH,0AH,"$" STRING DB 20,0,20 DUP(0) DATA ENDS CODE SEGMENT ASSUME DS:DATA,CS:CODE START:MOV AX,DATA MOV DS,AX MOV Ah,2h MOV BH,0 MOV DH,5 MOV DL,12 INT 10H MOV DX,OFFSET SEN MOV AH,09H INT 21H MOV DX,OFFSET STRING MOV AH,0AH INT 21H MOV CL,STRING+1 XOR CH,CH ADD DX,CX MOV BX,DX MOV BYTE PTR[BX+2],‘$‘ MOV AH,09H MOV DX,OFFSET SEN3 INT 21H MOV DX,OFFSET STRING ADD DX,2 INT 21H MOV AH,4CH INT 21H CODE ENDS END START
标签:int style 屏幕 sum nbsp jpg not store height
原文地址:https://www.cnblogs.com/a-runner/p/12939357.html