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****保存dos断点 push ds sub ax,ax push ax ****寄存器进栈 pushseg macro push ax push bx push cx push dx push si push di endm ****寄存器出栈 popseg macro pop di pop si pop dx pop cx pop bx pop ax endm ****DOS中断21H d... 阅读全文
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;-----------------------------------------------------------------------; 显示字符串的子函数—— ;-----------------------------------------------------------------------assume cs:code,ds:datadata seg... 阅读全文
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x86 系统中断 ______________________________________________________________________________ 直接系统服务(Direct System Service) INT 00H - “0”作除数 INT 01H - 单步中断 INT 02H - 非屏蔽中断(NMI) INT 03H - 断点中... 阅读全文