使用em8086使用完整的代码完成以下要求:: 用宏在屏幕上开一个窗口,在窗口中用彩色输出“Welcome you!”
时间: 2024-03-20 22:41:27 浏览: 12
以下是使用em8086汇编语言编写的代码,可以在屏幕上开一个窗口,并在窗口中用彩色输出“Welcome you!”:
```
.model small
.stack 100h
.data
message db "Welcome you!", 0
color dw 0x0F00 ; light gray on black background
.code
main proc
mov ax, @data
mov ds, ax
; set video mode and clear screen
mov ah, 00h
mov al, 03h
int 10h
; define window coordinates with macros
WINDOW MACRO x1, y1, x2, y2
mov ah, 06h
mov al, 00h
mov bh, color >> 8
mov bl, color
mov cx, y1
mov dx, x1
int 10h
mov ah, 06h
mov al, 00h
mov bh, color >> 8
mov bl, color
mov cx, y2
mov dx, x2
int 10h
mov ah, 06h
mov al, 01h
mov bh, color >> 8
mov bl, color
mov cx, y1
mov dx, x1
int 10h
mov ah, 06h
mov al, 01h
mov bh, color >> 8
mov bl, color
mov cx, y2
mov dx, x2
int 10h
ENDM
; define color macros
BLACK MACRO
mov color, 0
ENDM
WHITE MACRO
mov color, 0x0F00
ENDM
; open window and print message
BLACK
WINDOW 10, 5, 50, 15
WHITE
mov ah, 09h
mov dx, offset message
int 21h
; wait for key press and exit
mov ah, 00h
int 16h
mov ah, 4Ch
mov al, 00h
int 21h
main endp
end main
```
这个程序使用了宏来定义窗口和颜色,使代码更加简洁易读。首先设置视频模式和清屏,然后定义了两个颜色宏,分别指定黑色和浅灰色。接着使用 `WINDOW` 宏定义一个矩形窗口,并在窗口中输出“Welcome you!”。最后等待用户按下任意键后退出程序。