Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Error: A2058
     Byte register illegal
 
     A byte register was used in a context where a word register is
     required. For example, push al is illegal; use push ax instead.
                                    -♦-