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https://gitee.com/gfdgd-xi/deep-wine-runner
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修改安装器文本提示
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88
VM-source/test-kvm.asm
Normal file
88
VM-source/test-kvm.asm
Normal file
@@ -0,0 +1,88 @@
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mov ax,0xb800
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mov es,ax
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; 清屏
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mov cx,80*25
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clean:
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mov di,cx
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add di,di
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mov byte [es:di],''
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add di,1
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mov byte [es:di],0x0F
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loop clean
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; 显示上方白条
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; 移除(0,0)的S字符
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mov byte [es:0x00],''
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mov cx,80*2-1
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mov di,0
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headtitle:
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mov di,cx
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mov byte [es:di],0xF0
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; 写入空字符
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add di,di
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mov byte [es:di],''
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;inc cx
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;sub cx,1
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loop headtitle
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mov di,0
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mov cx,80*2-1
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; 显示下方白条
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tailtitle:
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mov di,cx
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add di,80*2*24
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mov byte [es:di],0xF0
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; 写入空字符
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mov di,cx
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add di,di
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add di,80*2*24
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mov byte [es:di],''
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loop tailtitle
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; 在第一行写入文本 Hello World!
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jmp near showHeadText
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headText: db 'Hello World!'
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showHeadText:
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; 虽然可以简单粗暴的用 movsw,但是会出现问题
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mov cx,showHeadText-headText
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mov ax,0x7c0
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mov ds,ax ; 定位到汇编程序所在的内存地址
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showHeadTextLoop:
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mov dx,cx
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mov di,cx
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add di,di
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mov si,headText
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sub dx,1
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add si,dx
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; inc si
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; mov al,1000
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mov al,[ds:si]
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mov byte [es:di],al
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loop showHeadTextLoop
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jmp near showTailText
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tailText: db '2020~Now gfdgd xi'
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showTailText:
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mov cx,showTailText-tailText
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mov ax,0x7c0
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mov ds,ax
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showTailTextLoop:
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mov dx,cx
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mov di,cx
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add di,di
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add di,80*2*24
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mov si,tailText
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sub dx,1
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add si,dx
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mov al,[ds:si]
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mov byte [es:di],al
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loop showTailTextLoop
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poweroff:
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; 跳过关机
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jmp near end
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; 关机
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mov ax,5307H ; 高级电源管理功能,设置电源状态
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mov bx,0001H ; 设备ID,1:所有设备
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mov cx,0003H ; 状态,3:表示关机
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int 15h
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end:
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times 510-($-$$) db 0
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db 0x55,0xaa
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