实验9

13005674659 · 发表于 2019-12-27 21:26:19

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本帖最后由 13005674659 于 2019-12-27 21:40 编辑

1       ; 1行显示三种模式

assume cs:a1,ds:b2
b2 segment
  dw 0277h,0265h,026ch,0262h,026fh,026dh,0265h,0220h
  dw 0274h,026fh,0220h,026dh,0261h,0273h,026dh,0221h    ;绿色字符

  dw 2477h,2465h,246ch,2462h,246fh,246dh,2465h,2420h
  dw 2474h,246fh,2420h,246dh,2461h,2473h,246dh,2421h    ;绿底红字

  dw 7177h,7165h,716ch,7162h,716fh,716dh,7165h,7120h
  dw 7174h,716fh,7120h,716dh,7161h,7173h,716dh,7121h    ;白底蓝字
b2 ends

a1 segment
  kaisi:mov ax,b2
      mov ds,ax
      mov ax,47104
      mov es,ax

      mov bx,0                      ;绿色字符传入显示缓冲区
      mov si,0
      mov cx,16
   s:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s

      mov bx,20h                ;l绿底红字传入显示缓冲区
      mov si,22h
      mov cx,16
   s2:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s2

      mov bx,40h                ;白底蓝字传入显示缓冲区
      mov si,44h
      mov cx,16
   s3:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s3

      mov ax,4c00h
      int 21h
a1 ends
end kaisi

2       ;  3行显示三种模式

assume cs:a1,ds:b2
b2 segment
  dw 0277h,0265h,026ch,0262h,026fh,026dh,0265h,0220h
  dw 0274h,026fh,0220h,026dh,0261h,0273h,026dh,0221h       ;绿色字符

  dw 2477h,2465h,246ch,2462h,246fh,246dh,2465h,2420h
  dw 2474h,246fh,2420h,246dh,2461h,2473h,246dh,2421h       ;绿底红字

  dw 7177h,7165h,716ch,7162h,716fh,716dh,7165h,7120h
  dw 7174h,716fh,7120h,716dh,7161h,7173h,716dh,7121h       ;白底蓝字
b2 ends

a1 segment
  kaisi:mov ax,b2
      mov ds,ax
      mov ax,0b800h
      mov es,ax

      mov bx,0          ;绿色字符传入显示缓冲区
      mov si,0a0h
      mov cx,16
   s:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s

      mov bx,20h    ;绿底红字传入显示缓冲区
      mov si,140h
      mov cx,16
   s2:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s2

      mov bx,40h       ;白底蓝字传入显示缓冲区
      mov si,1e0h
      mov cx,16
   s3:mov ax,ds:[bx]
      mov es:[si],ax
      add bx,2
      add si,2
   loop s3

      mov ax,4c00h
      int 21h
a1 ends
end kaisi

13005674659 · 发表于 2019-12-28 10:52:11

本帖最后由 13005674659 于 2019-12-28 21:08 编辑

assume cs:a1,ds:a2
a2 segment
db 'welcome to masm!'
a2 ends

a1 segment
kaisi:mov ax,a2
   mov ds,ax
   mov ax,0b800h
   mov es,ax
   mov bx,0
   mov si,0
   mov cx,16
   mov ax,0

s:mov al,ds:[bx]
   mov ah,02h
   mov es:[si+1824],ax

   mov al,ds:[bx]
   mov ah,24h
   mov es:[si+1984],ax

   mov al,ds:[bx]
   mov ah,71h
   mov es:[si+2144],ax

   add si,2
   inc bx
  loop s

   mov ax,4c00h
   int 21h
a1 ends
end kaisi

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[汇编作业] 实验9

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