【Java基础】RTTI与反射之Java

最新推荐文章于 2021-02-22 15:25:39 发布

e62ces0iem

最新推荐文章于 2021-02-22 15:25:39 发布

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这是一个使用汇编语言编写的简单程序，其主要功能是从10h到100h打印ASCII字符。程序采用386平铺模型，并包含了输入/输出相关的头文件。通过两个嵌套的while循环实现逐行逐列地输出字符。

 1 ; Example assembly language program --
 2 ; Author:  Karllen
 3 ; Date:    revised 05/2014
 4 
 5 .386
 6 .MODEL FLAT
 7 
 8 ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD
 9 
10 INCLUDE io.h            ; header file for input/output
11 
12 cr      EQU     0dh     ; carriage return character
13 Lf      EQU     0ah     ; line feed
14 
15 .STACK  4096            ; reserve 4096-byte stack
16         
17 .DATA                   ; reserve storage for data
18       
19        promot  BYTE  "The program is to print Ascii from 10h to 100h",cr,Lf,0
20        line    DWORD  ?
21        row     DWORD  ?
22        ccf     BYTE   " ",0
23        crlf    BYTE   cr,Lf,0
24        char    BYTE   1 DUP(?)
25            
26 .CODE                           ; start of main program code
27 _start:
28        output  promot
29        mov     row,0
30        mov     line,0
31        mov     char,0Fh
32        doFirstWhile:
33               inc line
34               cmp line,15
35               jg  endFirstWhile
36               mov row,0
37               doSecondWhile:
38                      inc row
39                      cmp row,16
40                      jg  endSecondWhile
41                      add char,1
42                      output char
43                      output ccf
44                      jmp  doSecondWhile
45               endSecondWhile:
46                      output crlf
47                      jmp  doFirstWhile
48         endFirstWhile:
49         
50         INVOKE  ExitProcess, 0  ; exit with return code 0
51 
52 PUBLIC _start                   ; make entry point public
53 
54 END                             ; end of source code