Desired names can be defined and used in assembly-language files.
Names are classified into the following types.
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Label name
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A name having an address as its value.
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Symbol name
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A name having a constant as its value (the name of a label is also included).
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Section name
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The name of a section that is defined through the .SECTION directive.
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Location symbol name
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The start address of the operation in a line including a location symbol ($).
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Macro name
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Macro definition name
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Rules for Names:
- | There is no limitation on the number of characters in a name. |
- | Names are case-sensitive; "LAB" and "Lab" are handled as different names. |
- | An underscore (_) and a dollar sign ($) can be used in names. |
- | The first character in a name must not be a digit. |
- | Any reserved word must not be used as a name. |
Note | Flag names (U, I, O, S, Z, and C), which are reserved words, can be used only for section names. |