寒假汇编语言作业(6)

浏览数：29 / 时间：2015年06月08日

程序设计项目六

在屏幕中间显示：“中华”两个字。参看demo0.png示例。

技术分享

提示：

通过字模提取工具，可以提取字的显示信息。

分析:

跟lcd12864自定义图形差不多吧

直接用字模提取软件

参考代码:

  1 assume cs:code
  2 data segment
  3 ; -- zhong --
  4     db       00h, 1Ch, 00h, 00h, 1Ch, 00h, 00h, 1Ch, 00h
  5     db     00h, 1Ch, 00h, 00h, 1Ch, 00h, 1Fh,0FFh,0FCh
  6     db     1Fh,0FFh,0FCh, 1Fh,0FFh,0FCh, 1Ch, 1Ch, 1Ch
  7     db     1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Ch
  8     db     1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Ch, 1Fh,0FFh,0FCh
  9     db     1Fh,0FFh,0FCh, 1Fh,0FFh,0FCh, 1Ch, 1Ch, 1Ch
 10     db     00h, 1Ch, 00h, 00h, 1Ch, 00h, 00h, 1Ch, 00h
 11     db     00h, 1Ch, 00h, 00h, 1Ch, 00h, 00h, 1Ch, 00h
 12 
 13 ; -- hua --
 14     db       03h, 0Eh, 00h, 03h, 8Eh, 10h, 07h, 0Eh, 38h
 15     db     0Eh, 0Eh,0F8h, 0Eh, 0Fh,0F0h, 1Eh, 0Fh,0C0h
 16     db     3Eh, 1Fh, 00h, 7Eh,0FEh, 00h, 6Eh,0FEh, 00h
 17     db     2Eh,0CEh, 1Ch, 0Eh, 0Fh,0FCh, 0Eh, 0Fh,0FCh
 18     db     0Eh, 07h,0F8h, 0Eh, 38h, 00h, 00h, 38h, 00h
 19     db     00h, 38h, 00h, 7Fh,0FFh,0FEh, 7Fh,0FFh,0FEh
 20     db     00h, 38h, 00h, 00h, 38h, 00h, 00h, 38h, 00h
 21         db       00h, 38h, 00h, 00h, 38h, 00h, 00h, 00h, 00h
 22 data ends
 23 
 24 stack segment
 25         dw 16 dup (0)
 26 stack ends
 27 
 28 code segment
 29 start:
 30         
 31         mov ax,0b800h
 32         mov es,ax
 33         mov ax,data
 34         mov ds,ax
 35         mov ax,stack
 36         mov ss,ax
 37         mov sp,20h
 38         mov si,0
 39         call clear_scr
 40         mov bh,100b
 41         mov bl,03h              
 42         mov ah,0
 43         mov dh,0       ;三个一循环
 44         mov di,16
 45         jmp get_bmp
 46 
 47     get_bmp:
 48         mov al,ds:[si]
 49         inc si
 50         inc dh
 51         jmp do_16to2
 52     doom:
 53         mov cx,8
 54      ss1:
 55         pop ax
 56         cmp ax,0
 57         je next
 58         mov es:[di],bx
 59       next:
 60         add di,2
 61         loop ss1
 62 
 63         cmp si,72   ;判断是否输出完中
 64         jne nn           
 65         mov di,136      
 66     nn:
 67         cmp si,144  ;同上,判断是否输出完
 68         je over
 69         cmp dh,3
 70         jne get_bmp
 71         mov dh,0
 72         add di,112
 73         jmp get_bmp
 74 
 75     over:
 76     mov ax,4c00h
 77     int 21h
 78 
 79     do_16to2:              ;16进制转换
 80         push cx
 81         mov cx,8
 82      sd0:
 83         mov dl,2
 84         div dl
 85         mov dl,al
 86         mov al,0
 87         push ax
 88         mov al,dl
 89         loop sd0
 90         jmp doom
 91 
 92     clear_scr:
 93         push cx
 94         push bp
 95         push di
 96         mov bp,0
 97         mov cx,16h
 98      cs1:
 99         mov di,0
100         push cx
101         mov cx,50h
102      cs2:
103         mov word ptr es:[di+bp],0
104         add di,2
105         loop cs2
106 
107         add bp,0a0h
108         pop cx
109         loop cs1
110         pop di
111         pop bp
112         pop cx
113         ret
114 
115 code ends
116 end start