术语 | onepass assembler |
释义 | onepass assembler 一遍扫描汇编程序;[单通组合程式] An assembler which builds a symbol table in RAM, in which it places the name and address (or value) of each symbol it encounters.When it finds an undefined symbo l in an input statement, it tags the entry as unresolved and pending, keeping a list of all references to that symbol. When the symbol eventually pops up and is defined in an input statement, the computer refers to the unresolved list and a utomatically patches in the symbol address wherever required. 一种汇编程序,它在RAM中建立一个符号表,包含每个已遇到的符号的名字及地址(或值)。在输入语句 中发现没有 定义过的符号时,汇编程序就把它作为尚未消解的项而登录,并保存一个所有这种项的表。 当符号后来在某一输入语句中出现并被定义时,计算机会查询未消解项的表,并且在需要时 自动地补入符号的地址。 |
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