📄 symbols.htm

📁 一份51的编译程序,dos版本的. 英文名字MCS-51 Microcontroller Family Macro Assembler

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<STRONG><U>III.2 Symbols</U></STRONG>
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Symbols are user-defined names for addresses, numbers or macros.<BR>
Their maximum significant length is 31 characters. They can be even
longer, but everything behind the first 31 characters is ignored.
Symbols may consist of letters, digits, '_' and '?' characters.
A symbol name must not start with a digit!
Upper and lower case letters are considered to be equivalent.<BR>
<STRONG>Note:</STRONG> Assembly language keywords must not be redefined as user symbols!
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<STRONG>Example:</STRONG>
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Is_this_really_a_SYMBOL_?       is a legal symbol name!
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