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CS代码段寄存器
DS数据段寄存器
ES附加段寄存器
SS堆栈段寄存器

当我们要向一个内存里面读数据或者写数据的时候。




mov ax,0x07c0
jmp near mycode

mydata:
db 'H',0x7,'e',0x7,'l',0x7,'l',0x7,'o',0x7

mycode:
mov ax,0xb800
mov es,ax

mov al, byte [0x07c00+mydata+0x00]
mov byte [es:0x0000],al

mov al, byte [0x07c00+mydata+0x01]
mov byte [es:0x0001],al

mov al, byte [0x07c00+mydata+0x02]
mov byte [es:0x0002],al

mov al, byte [0x07c00+mydata+0x03]
mov  byte [es:0x0003],al

mov al,byte [0x07c00+mydata+0x04]
mov byte [es:0x0004],al

mov al, byte [0x07c00+mydata+0x05]
mov byte [es:0x0005],al

mov al, byte [0x07c00+mydata+0x06]
mov byte [es:0x0006],al

mov al, byte [0x07c00+mydata+0x07]
mov byte [es:0x0007],al

mov al, byte [0x07c00+mydata+0x08]
mov byte [es:0x0008],al

mov al, byte [0x07c00+mydata+0x09]
mov byte [es:0x0009],al

stop: jmp near stop
times 510-($-$$) db 0
dw 0xAA55

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转载于:https://www.cnblogs.com/xiaodaxiaonao/p/7134602.html