qcenv.hlp (Topic list)
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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Error Message
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     Error: A2048
     Must be index or base register
 
     An indirect memory operand requires a base or index register, but
     some other register was specified. For example, the following
     line is illegal:
 
            mov    ax,[bx+ax]
 
     Only BP, BX, DI, and SI may be used in indirect operands.
                                    -♦-