Early programming was done at the bare machine level, using machine code instructions.

早期的程序设计利用机器代码指令在裸机层次上完成。

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A sequence of machine code instructions stored within the operating system, and sometimes in read-only memory, which is used to simulate hardware functions.

一组机器代码指令，存放在操作系统内，有时也存放在只读存储器中，用来模拟硬件的一些功能。

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The following code samples show how to calculate the offset. First, disassemble the machine instructions from the object file and save them as a file.

下面的代码示例展示了如何来计算偏移量。

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Calculating the addition of the number 2 to a variable, for example, can generate 27 instructions in machine code, many of them repetitive.

FORBES: Hardwired

There are no plans to mass-produce the machine, but instructions and source code are being made available.

BBC: Zipwhip's Textpresso