说明:Dos下屏蔽热启动,想要重启的话先按下Ctrl+Alt+Del,松开Del键,然后按R键则重 启,按Q键则关机-Dos under thermal shielding started, and wanted to resume the first pressing Ctrl-Alt-Del, loosen Del keys, then R button will resume by Q keys were shutdown <陈好> 在 上传
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说明:将存于DAT1开始的1个8字节BCD相加,结果放在SUM.考虑溢出.-will be stored in the DAT1 began an eight-byte BCD together, the results on SUM. Consider spills. <周涛> 在 上传
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说明:利用PC机的硬件定时8253, 编制秒表延时(0~9秒)程序.要求: 按任意键,开始计时, 在屏幕上以1秒间隔从0到9显示 按ESC键,计时停止.-use of PC hardware-timed 8253, the establishment of a stopwatch Delay (0 ~ 9 seconds) program. Requirements : by the arbitrary button, the timer on screen to a second interval <周涛> 在 上传
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