Microsoft KB Archive/80120

= FIX: MASM 6.0 May Incorrectly Generate A2032 for EQU =

Article ID: 80120

Article Last Modified on 11/15/2003

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APPLIES TO


 * Microsoft Macro Assembler 6.0 Standard Edition
 * Microsoft Macro Assembler 6.0a
 * Microsoft Macro Assembler 6.0b

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This article was previously published under Q80120



SYMPTOMS
The Microsoft Macro Assembler may incorrectly generate the following error:

A2032: invalid use of register



CAUSE
This is demonstrated on lines eight and nine in the sample code below. The error occurs because the LEA and MOV instructions on those lines use an equate and a register as an address. In the example, table1 is equated to the value of the location counter, &quot;$&quot;, and the register is BP.



RESOLUTION
To work around the problem, use the LABEL directive rather than an equate of the current location counter.



STATUS
Microsoft has confirmed this to be a problem in MASM versions 6.0, 6.0a, and 6.0b. This problem was corrected in MASM for MS-DOS version 6.1.



MORE INFORMATION
The following sample code can be used to demonstrate the problem.

Sample Code
; Assemble options needed: none

code SEGMENT word public 'code' ASSUME cs:code

table1 EQU $ table2 DW 0
 * table1 LABEL word     ; Use this line instead of previous one.

lea di, table1[bp]  ; line 8 mov ax, table1[bp]  ; line 9 code ENDS

END

Additional query words: 6.00 6.00a 6.00b buglist6.00 buglist6.00a buglist6.00b fixlist6.10

Keywords: kbfix KB80120

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