* * delay() 会让 CPU 空转等待,期间不能执行其他代码,称为“阻塞”。 * * 硬件定时器由独立硬件模块驱动,到时间就触发中断 ...
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BOOT_DRIVE db 0 ; It is a good idea to store it in memory because 'dl' may get overwritten MSG_REAL_MODE db "Started in 16-bit Real Mode", 0 MSG_PROT_MODE db "Landed in 32-bit Protected Mode", 0 ...