operation code

Mnemonics are made up of letter to represent the operation code.

助记码是由字母组成，以代表操作码。

A program that translates a command or operation code into machine code.

把命令或操作代码转换为机器代码的程序.

IA 4420 the FIFO operation code is written in C 51 language, but the transplant is easy.

IA4420的FIFO操作源代码,是c51语言写的, 不过移植起来很容易.

On the basis of analysis of the ternary raster operation code, the method of transparent display of windows bitmap is discussed, and its principle is explained by use of Boolean algebra.

在分析了三元光栅操作码的基础上，讨论了实现WINDOWS点位图透明显示的方法，并用布尔代数解释了实现点位图透明显示的原理。