AH&AL=AX(accumulator):累加寄存器 BH&BL=BX(base):基址寄存器 CH&CL=CX(count):计数寄存器 DH&DL=DX(data):数据寄存器 SP(Stack Pointer):堆栈指针寄存器 BP(Base Pointer):基址指针寄存器 SI(Source Index):源变址寄存器 DI(D
Exercise 7. Trace through the first few instructions of the boot loader again and identify the first instruction that would "break" or otherwise do the wrong thing if you were to get the boo
Exercise 6. Reset the machine (exit bochs and start it again). Examine the 8 words of memory at 0x00100000 at the point the BIOS enters the boot loader, and then again at the point the boot loader ent
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